{"$schema":"https://ui.shadcn.com/schema/registry-item.json","name":"signature-pad","type":"registry:component","title":"Signature pad","description":"A pad for a drawn signature whose ink follows a stylus's pressure (and thins with speed under a mouse or finger); undo, replay, PNG or SVG export, and typing instead for keyboards and screen readers.","categories":["forms"],"dependencies":["@radix-ui/react-direction@1.1.4","@radix-ui/react-dropdown-menu@2.1.24","@radix-ui/react-label@2.1.15","@radix-ui/react-popover@1.1.23","@radix-ui/react-slot@1.3.3","@radix-ui/react-toggle-group@1.1.19","@radix-ui/react-tooltip@1.2.16","clsx@^2.1.1","lucide-react@^1.48.0","motion@^13.4.4","tailwind-merge@^3.7.0"],"registryDependencies":["https://beamline.io/registry/look-prism.json"],"files":[{"path":"beamline/components/_shared/field.module.css","type":"registry:file","target":"src/ui/beamline/components/_shared/field.module.css","content":"@layer properties, theme, base, components, utilities;\n@layer components {\n  /* A field: label (with an optional aside at the end of its row), the control, then one message line. The gap under\n   the control belongs to the message (--pui-field-gap), so a message that arrives or leaves takes its gap with it. */\n  /* a column, not a grid: a message (or a fold) that leaves pulls its gap away with a negative margin, which a flex\n     column honours and a grid track does not (it would stop at zero and stretch the leaving part back open) */\n  .field {\n    --pui-field-gap: var(--pui-space-1-5);\n    /* positioned: a hidden label or a count's spoken words (sr-only, absolutely placed) stay inside the field */\n    position: relative;\n    display: flex;\n    min-width: 0;\n    flex-direction: column;\n    gap: var(--pui-field-gap);\n  }\n  .labelRow {\n    display: flex;\n    min-width: 0;\n    align-items: baseline;\n    gap: var(--pui-space-2);\n  }\n  .aside {\n    margin-inline-start: auto;\n    flex-shrink: 0;\n    color: var(--pui-ink-3);\n    font-size: var(--pui-text-xs);\n  }\n\n  /* The message: one line at a time. A new line grows in to its own height (0fr to 1fr, no measuring) while the one it\n   replaces folds away above it, so the height glides from one to the other; a line that leaves with nothing after it\n   takes the gap with it. Arrival over --pui-motion-in, departure over --pui-motion-out; reduced motion keeps the fades. */\n  .messages {\n    display: grid;\n    margin-top: calc(var(--pui-field-gap, var(--pui-space-1-5)) * -1);\n  }\n  .line {\n    display: grid;\n    grid-template-rows: 1fr;\n    opacity: 1;\n    transition:\n      grid-template-rows var(--pui-motion-in) var(--pui-ease-default),\n      opacity var(--pui-fade-in, var(--pui-motion-in)) var(--pui-ease-default);\n  }\n  @starting-style {\n    .line {\n      grid-template-rows: 0fr;\n      opacity: 0;\n    }\n  }\n  /* the line a field is first drawn with does not grow in */\n  .line[data-initial] {\n    transition: none;\n  }\n  /* a swap is one change of size: the old line folds and the new one grows over the same duration and curve, so their\n     sum (the field's height) moves straight from one to the other, with no swell between; the old words fade first */\n  .line[data-leaving] {\n    grid-template-rows: 0fr;\n    opacity: 0;\n    transition:\n      grid-template-rows var(--pui-motion-out) var(--pui-ease-default),\n      opacity var(--pui-fade-in, var(--pui-motion-in)) var(--pui-ease-default);\n    pointer-events: none;\n  }\n  .messages:has(> .line[data-leaving]) > .line:not([data-leaving], [data-initial]) {\n    transition-duration: var(--pui-motion-out), var(--pui-fade-in, var(--pui-motion-in));\n  }\n  .clip {\n    min-height: 0;\n    overflow: clip;\n    overflow-clip-margin: var(--pui-space-1);\n  }\n  .message {\n    display: flex;\n    align-items: flex-start;\n    gap: var(--pui-space-1-5);\n    padding-top: var(--pui-field-gap, var(--pui-space-1-5));\n    font-size: var(--pui-text-xs);\n    line-height: 1.375;\n  }\n  .description {\n    display: block;\n    color: var(--pui-ink-3);\n  }\n  .error {\n    color: var(--pui-red);\n  }\n  .success {\n    color: var(--pui-green);\n  }\n  .icon {\n    flex-shrink: 0;\n    width: var(--pui-icon-sm);\n    height: var(--pui-icon-sm);\n    margin-top: 1px;\n  }\n\n  /* The count in the label's row: tabular, quiet, shown with attention (.reveal) and in words near the limit. */\n  .count {\n    font-variant-numeric: tabular-nums;\n    white-space: nowrap;\n  }\n  .count[data-state=\"near\"],\n  .count[data-state=\"full\"] {\n    color: var(--pui-orange);\n  }\n  .count[data-state=\"over\"] {\n    color: var(--pui-red);\n  }\n\n  /* The status at the end of the frame: the spinner arrives scaled in from its centre, and closes into the check. */\n  .status {\n    display: inline-grid;\n    flex-shrink: 0;\n    place-items: center;\n    animation: status-in var(--pui-motion-in) var(--pui-ease-default);\n  }\n  @keyframes status-in {\n    from {\n      opacity: 0;\n      scale: calc(1 - 0.4 * var(--pui-motion-travel, 1));\n    }\n  }\n\n  /* The one frame every text-like control sits in: input, textarea, password, search, number, the select and date\n   triggers. Its paint (fill, edge, hover, focus) is the field role of the look in force (looks.css); invalid,\n   read-only and disabled are drawn here so they read the same in every look. */\n  .frame {\n    --_field-height: var(--pui-control-height-md);\n    position: relative;\n    display: flex;\n    min-width: 0; /* a grid or flex parent may make it narrower than the input's natural width */\n    align-items: center;\n    gap: var(--pui-space-2);\n    min-height: var(--_field-height);\n    padding-inline: var(--pui-space-2-5);\n    border-radius: var(--pui-field-radius, var(--pui-radius-control));\n    color: var(--pui-ink);\n    font-size: var(--pui-text-sm);\n    cursor: text;\n    transition:\n      box-shadow var(--pui-motion-out) var(--pui-ease-default),\n      background-color var(--pui-motion-out) var(--pui-ease-default);\n  }\n  .frame:hover:not([data-disabled]) {\n    transition-duration: 0ms;\n  }\n  .frame[data-state=\"open\"] {\n    box-shadow: var(--m-field-edge-focus);\n  }\n  .frame:focus-within {\n    transition: none;\n  }\n  .frame[data-disabled] {\n    opacity: var(--pui-opacity-disabled);\n    cursor: not-allowed;\n  }\n  .frame[data-readonly] {\n    --m-field-bg: transparent;\n  }\n  .sm {\n    --_field-height: var(--pui-control-height-sm);\n    padding-inline: var(--pui-space-2);\n  }\n  .lg {\n    --_field-height: var(--pui-control-height-lg);\n    padding-inline: var(--pui-space-3);\n    font-size: var(--pui-text-base);\n  }\n  .multiline {\n    align-items: stretch;\n    padding-block: var(--pui-space-2);\n  }\n\n  /* The control itself: borderless, it takes the frame's look. Focus shows on the frame, so the control's own ring is off\n   (the frame's ring is the visible focus indicator, which is always present when the control has focus). */\n  .control {\n    flex: 1;\n    min-width: 0;\n    height: 100%;\n    min-height: calc(var(--_field-height) - 2px);\n    border: 0;\n    outline: none;\n    background: transparent;\n    color: inherit;\n    font: inherit;\n    letter-spacing: inherit;\n    padding: 0;\n  }\n  .control:focus-visible {\n    outline: none;\n  }\n  .control::placeholder {\n    color: var(--pui-ink-3);\n    opacity: 1;\n  }\n  .control:disabled {\n    cursor: not-allowed;\n  }\n  textarea.control {\n    min-height: 0;\n    resize: none;\n    line-height: 1.5;\n    field-sizing: content;\n  }\n  .adornment {\n    display: inline-flex;\n    align-items: center;\n    flex-shrink: 0;\n    color: var(--pui-ink-3);\n  }\n  .adornment :where(svg) {\n    width: var(--pui-icon-md);\n    height: var(--pui-icon-md);\n  }\n}\n/* CSS-module composition only; visual rules stay in the component layer. */\n.frame {\n  composes: m-field nest-corner from global;\n}\n"},{"path":"beamline/components/_shared/field.tsx","type":"registry:file","target":"src/ui/beamline/components/_shared/field.tsx","content":"\"use client\";\nimport { useMessages } from \"../../runtime/localization\";\nimport { english } from \"./messages\";\n\nimport {\n  useEffect,\n  useId,\n  useRef,\n  useState,\n  type CSSProperties,\n  type PointerEvent as ReactPointerEvent,\n  type ReactNode,\n  type Ref,\n  type TransitionEvent,\n} from \"react\";\nimport { AlertCircle, CircleCheck } from \"lucide-react\";\nimport { Label } from \"../label/label\";\nimport { Spinner } from \"../spinner/spinner\";\nimport { cn } from \"../../lib/utils\";\nimport styles from \"./field.module.css\";\n\nexport type FieldSize = \"sm\" | \"md\" | \"lg\";\nexport type FieldClassNames = Partial<\n  Record<\"root\" | \"label\" | \"frame\" | \"leading\" | \"trailing\" | \"description\" | \"error\" | \"success\" | \"aside\", string>\n>;\n\nexport interface FieldOptions {\n  /** Visible label, also the accessible name. */\n  label?: ReactNode;\n  /** Keep the label for assistive tech only (dense rows, toolbars). */\n  hideLabel?: boolean;\n  /** One line of help under the control. */\n  description?: ReactNode;\n  /** The problem and its fix; replaces the description and marks the control invalid. */\n  error?: ReactNode;\n  /** The confirmation that the value works (\"@mira is available\"): replaces the description, with a check. */\n  success?: ReactNode;\n  required?: boolean;\n  size?: FieldSize;\n}\n\n/** Ids and aria wiring for one field: the control gets these spread onto it. */\nexport function useFieldIds(\n  id?: string,\n  { description, error, success }: Pick<FieldOptions, \"description\" | \"error\" | \"success\"> = {},\n) {\n  const auto = useId();\n  const controlId = id ?? `field-${auto}`;\n  // the line under the field is one of three, and the control points at whichever is there\n  const descriptionId = (success || description) && !error ? `${controlId}-description` : undefined;\n  const errorId = error ? `${controlId}-error` : undefined;\n  return {\n    controlId,\n    descriptionId,\n    errorId,\n    aria: {\n      id: controlId,\n      \"aria-describedby\": [descriptionId, errorId].filter(Boolean).join(\" \") || undefined,\n      \"aria-invalid\": error ? true : undefined,\n      \"aria-errormessage\": errorId,\n    },\n  };\n}\n\n/** Label above (with an optional aside at the end of its row: a counter, a link), control frame, then the message. */\nexport function Field({\n  label,\n  hideLabel,\n  description,\n  error,\n  success,\n  required,\n  controlId,\n  descriptionId,\n  errorId,\n  aside,\n  className,\n  classNames,\n  style,\n  slot = \"field\",\n  requiredOnControl,\n  children,\n}: FieldOptions & {\n  controlId: string;\n  descriptionId?: string;\n  errorId?: string;\n  /** At the end of the label's row: a character count, \"Forgot password?\", \"Optional\". */\n  aside?: ReactNode;\n  className?: string;\n  classNames?: FieldClassNames;\n  style?: CSSProperties;\n  slot?: string;\n  /** The control carries `required` itself, so the label does not repeat it in the control's name. */\n  requiredOnControl?: boolean;\n  children: ReactNode;\n}) {\n  const labelNode = label != null && (\n    <Label\n      htmlFor={controlId}\n      required={required}\n      requiredOnControl={requiredOnControl}\n      className={cn(\"text-label\", hideLabel && \"sr-only\", classNames?.label)}\n    >\n      {label}\n    </Label>\n  );\n  return (\n    <div\n      data-slot={slot}\n      data-invalid={error ? \"\" : undefined}\n      style={style}\n      className={cn(styles.field, aside != null && \"reveal-host\", classNames?.root, className)}\n    >\n      {aside != null ? (\n        <div data-slot=\"field-label-row\" className={styles.labelRow}>\n          {labelNode}\n          <span data-slot=\"field-aside\" className={cn(styles.aside, classNames?.aside)}>\n            {aside}\n          </span>\n        </div>\n      ) : (\n        labelNode\n      )}\n      {children}\n      <FieldMessage\n        error={error}\n        success={success}\n        description={description}\n        errorId={errorId}\n        descriptionId={descriptionId}\n        classNames={classNames}\n      />\n    </div>\n  );\n}\n\ntype Tone = \"error\" | \"success\" | \"description\";\ninterface Line {\n  key: string;\n  tone: Tone;\n  content: ReactNode;\n}\nconst ICON = { error: AlertCircle, success: CircleCheck } as const;\n\n/**\n * The line under a field: its problem when there is one, else its confirmation, else its help. Shared by every field\n * and choice group. A change of line keeps its path: the new line grows in under the control while the old one folds\n * away above it, so what sits below glides instead of jumping, and a quick reversal turns around from where it is.\n * The leaving line is a still copy, hidden from assistive tech and inert; ids and aria point only at the line that is\n * there. It is gone when its fold ends, and by the clock as well: a line that leaves in the frame it arrived has no\n * fold to run, so no end is reported.\n */\nexport function FieldMessage({\n  error,\n  success,\n  description,\n  errorId,\n  descriptionId,\n  slot = \"field\",\n  classNames,\n}: Pick<FieldOptions, \"error\" | \"description\" | \"success\"> & {\n  errorId?: string;\n  descriptionId?: string;\n  /** The slot names' prefix: \"checkbox\" names the lines checkbox-error, checkbox-description. */\n  slot?: string;\n  classNames?: Pick<FieldClassNames, \"error\" | \"description\" | \"success\">;\n}) {\n  const tone: Tone | null = error ? \"error\" : success ? \"success\" : description ? \"description\" : null;\n  const content = error || success || description;\n  // a new text is a new line (one problem replacing another also folds and grows); rich content changes in place\n  const text = typeof content === \"string\" || typeof content === \"number\" ? String(content) : \"\";\n  const current: Line | null = tone ? { key: `${tone}\\u0000${text}`, tone, content } : null;\n  const [last, setLast] = useState<Line | null>(current);\n  const [leaving, setLeaving] = useState<Line | null>(null);\n  // the line a field is drawn with is simply there; only a change of line moves\n  const [changed, setChanged] = useState(false);\n  if ((last?.key ?? null) !== (current?.key ?? null)) {\n    // the line that was there leaves (one at a time: a line already leaving is gone at once)\n    setLeaving(last && last.key !== current?.key ? last : null);\n    setLast(current);\n    setChanged(true);\n  }\n  const box = useRef<HTMLDivElement>(null);\n  useEffect(() => {\n    if (!leaving) return;\n    // the clock is the leaving line's own longest transition, read once as it starts to leave (the fold's end event\n    // usually comes first), so a field resolves no motion tokens of its own\n    const el = box.current?.querySelector<HTMLElement>(\"[data-leaving]\");\n    const longest = el\n      ? Math.max(\n          0,\n          ...getComputedStyle(el)\n            .transitionDuration.split(\",\")\n            .map((t) => parseFloat(t) * (t.trim().endsWith(\"ms\") ? 1 : 1000) || 0),\n        )\n      : 0;\n    const id = window.setTimeout(() => setLeaving((l) => (l === leaving ? null : l)), longest + 250);\n    return () => window.clearTimeout(id);\n  }, [leaving]);\n  if (!current && !leaving) return null;\n  const shown = leaving && leaving.key === current?.key ? null : leaving;\n  const ids = { error: errorId, success: descriptionId, description: descriptionId };\n  const line = (l: Line, gone: boolean) => {\n    const Icon = l.tone === \"description\" ? null : ICON[l.tone];\n    return (\n      <div\n        key={l.key}\n        data-slot=\"field-message-line\"\n        data-leaving={gone ? \"\" : undefined}\n        data-initial={changed ? undefined : \"\"}\n        aria-hidden={gone || undefined}\n        inert={gone || undefined}\n        className={styles.line}\n        onTransitionEnd={\n          gone\n            ? (e: TransitionEvent<HTMLDivElement>) => {\n                if (e.target === e.currentTarget && e.propertyName === \"grid-template-rows\") setLeaving(null);\n              }\n            : undefined\n        }\n      >\n        <div className={styles.clip}>\n          <p\n            id={gone ? undefined : ids[l.tone]}\n            data-slot={`${slot}-${l.tone}`}\n            className={cn(styles.message, styles[l.tone], classNames?.[l.tone])}\n          >\n            {Icon && <Icon aria-hidden className={styles.icon} />}\n            {l.content}\n          </p>\n        </div>\n      </div>\n    );\n  };\n  return (\n    <div ref={box} data-slot=\"field-message\" className={styles.messages}>\n      {shown && line(shown, true)}\n      {current && line(current, false)}\n    </div>\n  );\n}\n\n/** What the end of a text field says about its work: a spinner while a value is checked, a drawn check when it works. */\nexport type FieldStatus = \"busy\" | \"success\";\n\n/** The frame a text-like control sits in; clicking anywhere on it focuses the control. */\nexport function FieldFrame({\n  size = \"md\",\n  invalid,\n  disabled,\n  readOnly,\n  multiline,\n  status,\n  statusLabel: statusLabelProp,\n  leading,\n  trailing,\n  className,\n  classNames,\n  children,\n  onPointerDown,\n  ref,\n}: {\n  size?: FieldSize;\n  invalid?: boolean;\n  disabled?: boolean;\n  readOnly?: boolean;\n  multiline?: boolean;\n  /** busy: a spinner at the end while the value is checked or saved; success: the ring closes into a check. */\n  status?: FieldStatus;\n  /** What the spinner says while busy (\"Checking\", \"Saving\"). */\n  statusLabel?: string;\n  leading?: ReactNode;\n  trailing?: ReactNode;\n  className?: string;\n  classNames?: FieldClassNames;\n  children: ReactNode;\n  onPointerDown?: (e: ReactPointerEvent<HTMLDivElement>) => void;\n  /** The frame itself, for a control that lays out by the frame's width (useWidthAs). */\n  ref?: Ref<HTMLDivElement>;\n}) {\n  const i18n = useMessages(\"_shared\", english);\n  const statusLabel = statusLabelProp === undefined ? i18n(\"statusLabel\") : statusLabelProp;\n\n  return (\n    <div\n      ref={ref}\n      data-slot=\"field-control\"\n      data-invalid={invalid ? \"\" : undefined}\n      data-disabled={disabled ? \"\" : undefined}\n      data-readonly={readOnly ? \"\" : undefined}\n      data-status={status}\n      className={cn(styles.frame, styles[size], multiline && styles.multiline, classNames?.frame, className)}\n      onPointerDown={(e) => {\n        onPointerDown?.(e);\n        // a click on the frame's padding or an adornment that is not itself interactive focuses the control\n        const t = e.target as HTMLElement;\n        if (t === e.currentTarget || (t.closest(\"[data-adornment]\") && !t.closest(\"button, a, input, [role=button]\"))) {\n          e.preventDefault();\n          e.currentTarget.querySelector<HTMLElement>(\"input, textarea\")?.focus();\n        }\n      }}\n    >\n      {leading && (\n        <span\n          data-slot=\"field-adornment\"\n          data-adornment=\"leading\"\n          className={cn(styles.adornment, classNames?.leading)}\n        >\n          {leading}\n        </span>\n      )}\n      {children}\n      {status && (\n        // one ring for both: it spins while the value is checked and closes into the check when it works\n        <span data-slot=\"field-status\" data-adornment=\"status\" className={styles.status}>\n          <Spinner size=\"sm\" state={status === \"busy\" ? \"loading\" : \"success\"} label={statusLabel} />\n        </span>\n      )}\n      {trailing && (\n        <span\n          data-slot=\"field-adornment\"\n          data-adornment=\"trailing\"\n          className={cn(styles.adornment, classNames?.trailing)}\n        >\n          {trailing}\n        </span>\n      )}\n    </div>\n  );\n}\n\n/**\n * A character count for the label's row (Field `aside`): quiet (\"58/140\") and shown while the field has attention,\n * then always shown and in words as the limit nears (\"12 left\", \"Limit reached\", \"3 over\"), so it never competes with\n * the label at rest. Assistive tech hears it only when it crosses into those words, not at every key.\n */\nexport function FieldCount({\n  length,\n  max,\n  near: nearAt,\n  slot = \"field-count\",\n  className,\n}: {\n  length: number;\n  max: number;\n  /** How many left turns it into words: by default 10 % of the limit, at least 5 (characters); 1 suits a few tags. */\n  near?: number;\n  slot?: string;\n  className?: string;\n}) {\n  const i18n = useMessages(\"_shared\", english);\n  const left = max - length;\n  const near = left <= (nearAt ?? Math.max(5, Math.ceil(max * 0.1)));\n  const state = left < 0 ? \"over\" : left === 0 ? \"full\" : near ? \"near\" : \"room\";\n  const words =\n    state === \"over\"\n      ? i18n(\"fieldOver\", { count: -left })\n      : state === \"full\"\n        ? i18n(\"fieldFull\")\n        : i18n(\"fieldLeft\", { count: left });\n  return (\n    <span\n      data-slot={slot}\n      data-state={state}\n      data-shown={state === \"room\" ? undefined : \"\"}\n      className={cn(\"reveal\", styles.count, className)}\n    >\n      <span aria-hidden>{state === \"room\" ? `${i18n.number(length)}/${i18n.number(max)}` : words}</span>\n      <span className=\"sr-only\" aria-live=\"polite\">\n        {state === \"room\" ? \"\" : words}\n      </span>\n    </span>\n  );\n}\n\n/** The class a native input or textarea needs inside a FieldFrame. */\nexport const fieldControlClass = styles.control;\n\n/** What a choice group (segmented control, radio cards) spreads onto its own root when it is a form field. */\nexport interface ChoiceFieldAria {\n  \"aria-labelledby\": string;\n  \"aria-describedby\"?: string;\n  \"aria-invalid\"?: true;\n}\n\n/**\n * Whether a choice control (segmented control, radio cards, chip group) is laid out as a form field, its label shown\n * above like every field's: when asked (`field`), when it has a description, error or required mark, and whenever its\n * label is not hidden. A view switch or a quick filter passes `hideLabel`: its label stays for assistive tech only.\n * (Trials t16 and t19: agents wrote <SegmentedControl label=\"Catering needed\" …> and the question never showed.)\n */\nexport function choiceIsField(\n  field: boolean | undefined,\n  label: ReactNode,\n  hideLabel: boolean | undefined,\n  marked: boolean,\n) {\n  return field ?? (marked || (label != null && label !== \"\" && !hideLabel));\n}\n\n/**\n * A choice group as a form field: the visible label above (with the required marker), the group, then its help or its\n * problem — the same frame and message every text field has. Groups that name themselves only for assistive tech\n * (a view switch in a toolbar) do not use it.\n */\nexport function ChoiceField({\n  slot,\n  label,\n  hideLabel,\n  required,\n  description,\n  error,\n  className,\n  style,\n  classNames,\n  requiredOnControl,\n  children,\n}: Omit<FieldOptions, \"size\" | \"success\"> & {\n  slot: string;\n  /** The group carries `aria-required` itself (a radiogroup), so the label does not repeat it in the group's name. */\n  requiredOnControl?: boolean;\n  className?: string;\n  style?: CSSProperties;\n  classNames?: Pick<FieldClassNames, \"label\" | \"description\" | \"error\">;\n  children: (aria: ChoiceFieldAria) => ReactNode;\n}) {\n  const auto = useId();\n  const labelId = `choice-${auto}-label`;\n  const messageId = error || description ? `choice-${auto}-message` : undefined;\n  return (\n    <div data-slot={slot} data-invalid={error ? \"\" : undefined} style={style} className={cn(styles.field, className)}>\n      <Label\n        id={labelId}\n        required={required}\n        requiredOnControl={requiredOnControl}\n        className={cn(\"text-label\", hideLabel && \"sr-only\", classNames?.label)}\n      >\n        {label}\n      </Label>\n      {children({\n        \"aria-labelledby\": labelId,\n        ...(messageId ? { \"aria-describedby\": messageId } : {}),\n        ...(error ? { \"aria-invalid\": true as const } : {}),\n      })}\n      <FieldMessage\n        error={error}\n        description={description}\n        errorId={messageId}\n        descriptionId={messageId}\n        classNames={classNames}\n      />\n    </div>\n  );\n}\n"},{"path":"beamline/components/_shared/glide.tsx","type":"registry:file","target":"src/ui/beamline/components/_shared/glide.tsx","content":"\"use client\";\n\nimport { useEffect, useLayoutEffect, useRef, useState, type RefObject } from \"react\";\nimport { cn } from \"../../lib/utils\";\nimport overlay from \"./overlay.module.css\";\n\n/**\n * The gliding highlight for a list whose active row is tracked in state (command menu, listbox): one plate travels to\n * the active row for the arrow keys and the pointer alike, over --pui-duration-fast. It appears in place (no travel)\n * the first time and whenever `reset` changes (a new page or a new query), so typing never sends it flying.\n * The list must be the plate's offset parent (position: relative); rows stay above it (overlay.item is z-index 1).\n */\nexport function GlidePlate({\n  list,\n  selector,\n  reset,\n  axis = \"y\",\n  className,\n}: {\n  list: RefObject<HTMLElement | null>;\n  /** Finds the active row inside `list`; null when nothing is active. */\n  selector: string | null;\n  reset?: unknown;\n  /** \"y\" for a list (the plate spans the width); \"xy\" for a row or grid of cells (it takes each cell's size). */\n  axis?: \"y\" | \"xy\";\n  className?: string;\n}) {\n  const [plate, setPlate] = useState<{ x: number; y: number; w: number; h: number; jump: boolean } | null>(null);\n  const lastReset = useRef(reset);\n  const self = useRef<HTMLSpanElement>(null);\n  // eslint-disable-next-line react-hooks/exhaustive-deps -- every render on purpose; setPlate bails out when unchanged\n  useLayoutEffect(() => {\n    // the list holds the plate, and React attaches a parent's ref only after its children's layout effects: on the\n    // first commit the list is the plate's own parent (it placed itself only when something rendered again later)\n    const host = list.current ?? self.current?.parentElement;\n    const row = selector ? host?.querySelector<HTMLElement>(selector) : null;\n    const fresh = lastReset.current !== reset;\n    lastReset.current = reset;\n    if (!row) {\n      setPlate((p) => (p && p.h ? { ...p, h: 0 } : p));\n      return;\n    }\n    const x = row.offsetLeft,\n      y = row.offsetTop,\n      w = row.offsetWidth,\n      h = row.offsetHeight;\n    setPlate((p) =>\n      p && p.x === x && p.y === y && p.w === w && p.h === h && !fresh ? p : { x, y, w, h, jump: fresh || !p?.h },\n    );\n    // every render: rows can arrive or change height without the selector changing; an unchanged place keeps the state\n  });\n  return (\n    <span\n      ref={self}\n      aria-hidden\n      data-slot=\"list-highlight\"\n      className={cn(overlay.glide, className)}\n      data-on={plate?.h ? \"\" : undefined}\n      data-jump={plate?.jump ? \"\" : undefined}\n      data-axis={axis}\n      style={\n        !plate\n          ? undefined\n          : axis === \"y\"\n            ? { transform: `translateY(${plate.y}px)`, height: plate.h || undefined }\n            : { transform: `translate(${plate.x}px, ${plate.y}px)`, width: plate.w, height: plate.h || undefined }\n      }\n    />\n  );\n}\n\n/**\n * A GlidePlate for lists whose highlight is the pointer or keyboard focus rather than state (time picker, plain option\n * lists): it follows the row under the pointer or holding focus, and fades when neither is in the list. Rows drop\n * their own hover and focus tint.\n */\nexport function FollowPlate({\n  list,\n  rows,\n  className,\n}: {\n  list: RefObject<HTMLElement | null>;\n  /** Matches a row inside `list`, e.g. \"[role=option]\". */\n  rows: string;\n  className?: string;\n}) {\n  const [hot, setHot] = useState<string | null>(null);\n  // after the commit, when the list's ref is attached (a layout effect here ran before it and never listened)\n  useEffect(() => {\n    const el = list.current;\n    if (!el) return;\n    let n = 0;\n    const mark = (target: EventTarget | null) => {\n      const row = (target as HTMLElement | null)?.closest?.<HTMLElement>(rows);\n      if (!row || !el.contains(row)) return;\n      row.dataset.glideKey ??= String(++n);\n      setHot(row.dataset.glideKey);\n    };\n    const over = (e: Event) => mark(e.target);\n    const leave = () => {\n      if (!el.contains(document.activeElement)) setHot(null);\n    };\n    const blur = (e: FocusEvent) => {\n      if (!el.contains(e.relatedTarget as Node)) setHot(null);\n    };\n    el.addEventListener(\"pointerover\", over);\n    el.addEventListener(\"focusin\", over);\n    el.addEventListener(\"pointerleave\", leave);\n    el.addEventListener(\"focusout\", blur);\n    return () => {\n      el.removeEventListener(\"pointerover\", over);\n      el.removeEventListener(\"focusin\", over);\n      el.removeEventListener(\"pointerleave\", leave);\n      el.removeEventListener(\"focusout\", blur);\n    };\n  }, [list, rows]);\n  return <GlidePlate list={list} selector={hot ? `[data-glide-key=\"${hot}\"]` : null} className={className} />;\n}\n"},{"path":"beamline/components/_shared/listbox.tsx","type":"registry:file","target":"src/ui/beamline/components/_shared/listbox.tsx","content":"\"use client\";\nimport { useMessages } from \"../../runtime/localization\";\nimport { english } from \"./messages\";\n\nimport { Fragment, useEffect, useLayoutEffect, useMemo, useRef, useState, type ReactNode } from \"react\";\nimport { Check } from \"lucide-react\";\nimport { Highlight, filterRanked } from \"./match\";\nimport { cn } from \"../../lib/utils\";\nimport { GlidePlate } from \"./glide\";\nimport overlay from \"./overlay.module.css\";\n\nexport interface ListOption {\n  value: string;\n  label: string;\n  description?: string;\n  /** Other words that should find it. */\n  keywords?: string[];\n  icon?: ReactNode;\n  disabled?: boolean;\n  /** Heading it sits under (Billing address). With no query the list shows a heading where the group changes, in the\n   * given order; while searching, results rank flat and each row names its group beside its description. */\n  group?: string;\n}\n\n/** Lists longer than this mount only the rows near the visible window. */\nconst WINDOW = 200;\n/** A one-line row's height before it is measured, and rows kept mounted past each edge. */\nconst ROW = 34;\nconst OVERSCAN = 8;\n\n/** Filtering and the active row for a search-as-you-type list; the field keeps focus and points at the active row. */\nexport function useListbox(options: ListOption[], query: string, extra?: ListOption | null) {\n  // a group's name finds its options too; `extra` (a row that acts, such as Create \"…\") always comes last\n  const ranked = useMemo(\n    () => filterRanked(options, query, (o) => (o.group ? { ...o, keywords: [...(o.keywords ?? []), o.group] } : o)),\n    [options, query],\n  );\n  const filtered = useMemo(() => (extra ? [...ranked, extra] : ranked), [ranked, extra]);\n  const [active, setActive] = useState(0);\n  const viaKeys = useRef(false);\n  useEffect(() => {\n    setActive(\n      Math.max(\n        0,\n        filtered.findIndex((o) => !o.disabled),\n      ),\n    );\n  }, [query]); // eslint-disable-line react-hooks/exhaustive-deps -- reset per question\n  const move = (delta: number) => {\n    if (!filtered.length) return;\n    viaKeys.current = true;\n    let i = active;\n    for (let n = 0; n < filtered.length; n++) {\n      i = (i + delta + filtered.length) % filtered.length;\n      if (!filtered[i].disabled) break;\n    }\n    setActive(i);\n  };\n  // Home, End and Page keys: to a place in the whole list (no wrap), the nearest enabled row from there\n  const jump = (to: number) => {\n    if (!filtered.length) return;\n    viaKeys.current = true;\n    const at = Math.max(0, Math.min(filtered.length - 1, to));\n    const back = to < active;\n    for (let n = 0; n < filtered.length; n++) {\n      const i = back ? at + n : at - n;\n      if (i >= 0 && i < filtered.length && !filtered[i].disabled) return setActive(i);\n    }\n  };\n  return {\n    filtered,\n    active: Math.min(active, filtered.length - 1),\n    setActive,\n    move,\n    jump,\n    viaKeys,\n    current: filtered[Math.min(active, filtered.length - 1)],\n  };\n}\n\n/** The list itself: rows in the system's menu look, the match emphasised, chosen rows checked. */\nexport function Listbox({\n  id,\n  label,\n  options,\n  query,\n  active,\n  onActive,\n  isSelected,\n  onPick,\n  multiple,\n  emptyText,\n  viaKeys,\n  className,\n}: {\n  id: string;\n  label: string;\n  options: ListOption[];\n  query: string;\n  active: number;\n  onActive: (i: number) => void;\n  isSelected: (value: string) => boolean;\n  onPick: (option: ListOption) => void;\n  multiple?: boolean;\n  emptyText?: ReactNode;\n  viaKeys: { current: boolean };\n  className?: string;\n}) {\n  const i18n = useMessages(\"_shared\", english);\n  const list = useRef<HTMLDivElement>(null);\n  // a long list mounts only the rows near the visible window; spacers above and below keep its scroll height true\n  const windowed = options.length > WINDOW;\n  const heights = useRef(new Map<string, number>());\n  const [scroll, setScroll] = useState({ top: 0, height: 300 });\n  const [measured, setMeasured] = useState(0);\n  const offsets = useMemo(() => {\n    if (!windowed) return null;\n    const out = new Float64Array(options.length + 1);\n    for (let i = 0; i < options.length; i++)\n      out[i + 1] = out[i] + (heights.current.get(options[i].value) ?? (options[i].description ? 46 : ROW));\n    return out;\n  }, [windowed, options, measured]); // eslint-disable-line react-hooks/exhaustive-deps -- measured invalidates the cached heights\n  // the first row whose bottom is below y\n  const rowAt = (y: number) => {\n    let lo = 0;\n    let hi = options.length;\n    while (lo < hi) {\n      const mid = (lo + hi) >> 1;\n      if (offsets![mid + 1] <= y) lo = mid + 1;\n      else hi = mid;\n    }\n    return lo;\n  };\n  const first = windowed ? Math.max(0, rowAt(scroll.top) - OVERSCAN) : 0;\n  const last = windowed ? Math.min(options.length, rowAt(scroll.top + scroll.height) + OVERSCAN + 1) : options.length;\n  // the mounted rows measure once each time the window moves; a row only re-renders when a height changed\n  useLayoutEffect(() => {\n    if (!windowed || !list.current) return;\n    let changed = false;\n    for (const el of list.current.querySelectorAll<HTMLElement>(\"[data-row]\")) {\n      const h = el.offsetHeight;\n      if (h && heights.current.get(el.dataset.row!) !== h) {\n        heights.current.set(el.dataset.row!, h);\n        changed = true;\n      }\n    }\n    if (changed) setMeasured((m) => m + 1);\n  }, [windowed, first, last, options]);\n  useEffect(() => {\n    if (!viaKeys.current) return;\n    const row = list.current?.querySelector(`#${CSS.escape(`${id}-${active}`)}`);\n    if (row) row.scrollIntoView({ block: \"nearest\" });\n    else if (offsets && list.current) {\n      // not mounted: scroll its place into view and the row renders there\n      const el = list.current;\n      if (offsets[active] < el.scrollTop) el.scrollTop = offsets[active];\n      else if (offsets[active + 1] > el.scrollTop + el.clientHeight)\n        el.scrollTop = offsets[active + 1] - el.clientHeight;\n    }\n  }, [active, id, viaKeys, offsets]);\n  // what a search found, said once it settles (a polite status beside the list, never inside it: a listbox holds\n  // options only), so a screen reader hears \"3 results\" or that nothing matched while focus stays in the field\n  const found = !query.trim()\n    ? \"\"\n    : options.length\n      ? i18n(\"results\", { count: options.length })\n      : typeof emptyText === \"string\"\n        ? emptyText\n        : i18n(\"noMatch\", { query });\n  return (\n    <>\n      <span role=\"status\" className=\"sr-only\" data-slot=\"listbox-status\">\n        {found}\n      </span>\n      <div\n        ref={list}\n        id={id}\n        role=\"listbox\"\n        aria-label={label}\n        aria-multiselectable={multiple || undefined}\n        onPointerMove={() => {\n          viaKeys.current = false;\n        }}\n        onScroll={\n          windowed\n            ? (e) => setScroll({ top: e.currentTarget.scrollTop, height: e.currentTarget.clientHeight })\n            : undefined\n        }\n        className={cn(\n          \"relative max-h-[min(300px,var(--radix-popover-content-available-height,300px))] overflow-y-auto p-1\",\n          className,\n        )}\n      >\n        <GlidePlate list={list} selector={options.length ? '[role=\"option\"][data-active]' : null} reset={query} />\n        {options.length === 0 && (\n          <div className=\"px-3 py-6 text-center text-sm text-ink-3\">{emptyText ?? i18n(\"noMatch\", { query })}</div>\n        )}\n        {windowed && <div aria-hidden style={{ height: offsets![first] }} data-slot=\"listbox-spacer\" />}\n        {options.slice(first, last).map((o, k) => {\n          const i = first + k;\n          const on = isSelected(o.value);\n          const prev = options[i - 1];\n          // headings only for the unsearched list, where they follow the caller's order; arrow keys never land on them\n          const groupStart = !query && (o.group ?? \"\") !== (prev?.group ?? \"\") && (i > 0 || !!o.group);\n          const detail = query && o.group ? [o.group, o.description].filter(Boolean).join(\" · \") : o.description;\n          const row = (\n            <>\n              {groupStart && i > 0 && (\n                <div role=\"presentation\" data-slot=\"listbox-separator\" className={overlay.separator} />\n              )}\n              {groupStart && o.group && (\n                <div role=\"presentation\" data-slot=\"listbox-group\" className={overlay.heading}>\n                  {o.group}\n                </div>\n              )}\n              <div\n                id={`${id}-${i}`}\n                role=\"option\"\n                aria-selected={on}\n                aria-disabled={o.disabled || undefined}\n                aria-description={!query && o.group ? o.group : undefined}\n                aria-setsize={windowed ? options.length : undefined}\n                aria-posinset={windowed ? i + 1 : undefined}\n                data-disabled={o.disabled ? \"\" : undefined}\n                data-active={i === active ? \"\" : undefined}\n                className={cn(overlay.item, \"cursor-pointer\", detail && \"py-1.5\")}\n                onPointerMove={() => {\n                  if (i !== active && !o.disabled) onActive(i);\n                }}\n                onMouseDown={(e) => e.preventDefault()}\n                onClick={() => {\n                  if (!o.disabled) onPick(o);\n                }}\n              >\n                {/* a checked row fills at once and its check scales in (a fade under reduced motion); unchecking\n                  lets the fill go over --pui-motion-out, like every hover */}\n                {multiple && (\n                  <span\n                    aria-hidden\n                    data-slot=\"listbox-check\"\n                    className={cn(\n                      \"grid size-4 shrink-0 place-items-center rounded-[calc(var(--pui-radius-chip)-2px)] shadow-[inset_0_0_0_1px_var(--pui-line-strong)] transition-[background-color,box-shadow] duration-[var(--pui-motion-out)]\",\n                      on && \"bg-accent text-[var(--pui-accent-foreground)] shadow-none duration-0\",\n                    )}\n                  >\n                    {on && <Check className=\"!size-3 animate-enter-scale !text-current\" strokeWidth={3} />}\n                  </span>\n                )}\n                {o.icon}\n                <span className=\"grid min-w-0 flex-1 gap-px leading-snug\">\n                  <span className=\"truncate\">\n                    <Highlight text={o.label} query={query} />\n                  </span>\n                  {detail && <span className=\"truncate text-xs text-ink-3\">{detail}</span>}\n                </span>\n                {!multiple && on && <Check data-slot=\"listbox-check\" className=\"animate-enter-scale !text-accent\" />}\n              </div>\n            </>\n          );\n          // a windowed row is measured with its heading, so the spacers stay true\n          return windowed ? (\n            <div key={o.value} role=\"presentation\" data-row={o.value}>\n              {row}\n            </div>\n          ) : (\n            <Fragment key={o.value}>{row}</Fragment>\n          );\n        })}\n        {windowed && (\n          <div aria-hidden style={{ height: offsets![options.length] - offsets![last] }} data-slot=\"listbox-spacer\" />\n        )}\n      </div>\n    </>\n  );\n}\n"},{"path":"beamline/components/_shared/match.tsx","type":"registry:file","target":"src/ui/beamline/components/_shared/match.tsx","content":"/** One way to rank and mark matches for every search-as-you-type list (command menu, combobox, multi-select). */\n\n/** How well `label` (and its keywords) answers `query`: label start 100, word start 80, anywhere 60, keyword 45,\n *  every word of a several-word query found across label, keywords and description 40 (50 when one starts the label:\n *  \"billing city\" finds Billing address › City), description 30, letters in order 15, no match 0. An empty query\n *  matches everything with 1. */\nexport function rank(query: string, label: string, keywords?: string[], description?: string): number {\n  const q = query.trim().toLowerCase();\n  if (!q) return 1;\n  const l = label.toLowerCase();\n  const at = l.indexOf(q);\n  if (at === 0) return 100 - l.length / 100;\n  if (at > 0 && /[\\s\\-/(_.]/.test(l[at - 1])) return 80;\n  if (at > 0) return 60;\n  if (keywords?.some((k) => k.toLowerCase().includes(q))) return 45;\n  const words = q.split(/\\s+/);\n  if (words.length > 1) {\n    const hay = [l, ...(keywords ?? []).map((k) => k.toLowerCase()), description?.toLowerCase() ?? \"\"];\n    if (words.every((w) => hay.some((h) => h.includes(w)))) return words.some((w) => l.startsWith(w)) ? 50 : 40;\n  }\n  if (description?.toLowerCase().includes(q)) return 30;\n  let i = 0;\n  for (const ch of l) if (ch === q[i]) i++;\n  return i === q.length ? 15 : 0;\n}\n\n/** Sorts by rank (best first, original order for ties) and drops non-matches. */\nexport function filterRanked<T>(\n  items: T[],\n  query: string,\n  get: (item: T) => { label: string; keywords?: string[]; description?: string },\n): T[] {\n  if (!query.trim()) return items;\n  return items\n    .map((item, order) => {\n      const g = get(item);\n      return { item, order, s: rank(query, g.label, g.keywords, g.description) };\n    })\n    .filter((r) => r.s > 0)\n    .sort((a, b) => b.s - a.s || a.order - b.order)\n    .map((r) => r.item);\n}\n\n/** The label with the matched run emphasised. */\nexport function Highlight({ text, query }: { text: string; query: string }) {\n  const q = query.trim().toLowerCase();\n  const at = q ? text.toLowerCase().indexOf(q) : -1;\n  if (at < 0) return <>{text}</>;\n  return (\n    <>\n      {text.slice(0, at)}\n      <mark className=\"bg-transparent font-medium text-ink\">{text.slice(at, at + q.length)}</mark>\n      {text.slice(at + q.length)}\n    </>\n  );\n}\n"},{"path":"beamline/components/_shared/menu.tsx","type":"registry:file","target":"src/ui/beamline/components/_shared/menu.tsx","content":"\"use client\";\n\nimport {\n  Fragment,\n  useCallback,\n  useRef,\n  useState,\n  type ComponentType,\n  type FocusEvent,\n  type ReactNode,\n  type Ref,\n} from \"react\";\nimport { Check, ChevronRight } from \"lucide-react\";\nimport { useDirection } from \"@radix-ui/react-direction\";\nimport { cn } from \"../../lib/utils\";\nimport { useComposedRef } from \"../../hooks/use-composed-ref\";\nimport overlay from \"./overlay.module.css\";\n\nexport interface MenuClassNames {\n  /** Classes for the root part; no override by default. */\n  root?: string;\n  /** Classes for the trigger part; no override by default. */\n  trigger?: string;\n  /** Classes for the content part; no override by default. */\n  content?: string;\n  /** Classes for the submenu part; no override by default. */\n  submenu?: string;\n  /** Classes for the indicator part; no override by default. */\n  indicator?: string;\n  /** Classes for the item part; no override by default. */\n  item?: string;\n  /** Classes for the label part; no override by default. */\n  label?: string;\n  /** Classes for the shortcut part; no override by default. */\n  shortcut?: string;\n  /** Classes for the check part; no override by default. */\n  check?: string;\n  /** Classes for the separator part; no override by default. */\n  separator?: string;\n  /** Classes for the heading part; no override by default. */\n  heading?: string;\n  /** Classes for the chevron part; no override by default. */\n  chevron?: string;\n}\n\n/** One row of any menu in the system (dropdown, context menu, menu bar). The same data renders the same everywhere. */\nexport interface MenuItem {\n  /** Stable key; the label is used when absent. */\n  id?: string;\n  /** Text displayed for this item. Required. */\n  label: ReactNode;\n  /** Icon element displayed with this item. Omitted by default. */\n  icon?: ReactNode;\n  /** A shortcut shown at the end, e.g. \"⌘D\". The app binds the key. */\n  shortcut?: string;\n  /** Runs when this item is activated. Omitted by default. */\n  onSelect?: (event: Event) => void;\n  /** Whether this option is unavailable for selection. Omitted by default. */\n  disabled?: boolean;\n  /** danger: a destructive action (red). */\n  tone?: \"danger\";\n  /** A line above this item. */\n  separatorBefore?: boolean;\n  /** A small heading above this item, starting a group. */\n  heading?: string;\n  /** A checkable item; shows a check when true. */\n  checked?: boolean;\n  /** checkbox (default when checked is set) stays open when toggled; radio is one of a set and closes the menu. */\n  type?: \"checkbox\" | \"radio\";\n  /** A submenu. */\n  items?: MenuItem[];\n}\n\ntype Part = ComponentType<any>; // eslint-disable-line @typescript-eslint/no-explicit-any -- Radix menu namespaces share part names, not prop types\n/** The Radix parts a menu needs; DropdownMenu, ContextMenu and Menubar all provide them. */\nexport interface MenuKit {\n  Content: Part;\n  SubContent: Part;\n  Item: Part;\n  CheckboxItem: Part;\n  ItemIndicator: Part;\n  Sub: Part;\n  SubTrigger: Part;\n  Separator: Part;\n  Label: Part;\n  Portal: Part;\n}\n\n/** The reading direction a menu should open in: an explicit one, else the direction in force around its trigger (read\n *  when the trigger mounts and again as it is pressed, right-clicked or keyed), else a Direction provider. Without it\n *  Radix falls back to \"ltr\", so a portalled menu on an RTL page reads left to right, opens submenus to the right and\n *  answers → instead of ←. Spread `triggerProps` on the Radix trigger and pass `dir` to the Radix root. */\nexport function useMenuDirection(explicit?: \"ltr\" | \"rtl\") {\n  const provided = useDirection();\n  const [around, setAround] = useState<\"ltr\" | \"rtl\">();\n  const read = useCallback((el: Element | null) => {\n    if (el) setAround(getComputedStyle(el).direction === \"rtl\" ? \"rtl\" : \"ltr\");\n  }, []);\n  const measure = useCallback((e: { currentTarget: Element }) => read(e.currentTarget), [read]);\n  return {\n    dir: explicit ?? around ?? provided,\n    triggerProps: {\n      ref: read,\n      onPointerDownCapture: measure,\n      onKeyDownCapture: measure,\n      onContextMenuCapture: measure,\n    },\n  };\n}\n\n/** The floating list: one surface and one highlight plate that glides between rows, under the pointer and the arrow\n *  keys alike. Extra props (align, side, sideOffset) go to the Radix content part. */\nexport function MenuSurface({\n  kit,\n  sub = false,\n  label,\n  className,\n  classNames,\n  children,\n  ref,\n  ...rest\n}: {\n  kit: MenuKit;\n  sub?: boolean;\n  label?: string;\n  className?: string;\n  classNames?: MenuClassNames;\n  children: ReactNode;\n  ref?: Ref<HTMLDivElement>;\n} & Record<string, unknown>) {\n  const surface = useRef<HTMLDivElement | null>(null);\n  // the portal's presence passes its own ref (it watches the exit animation); keep both\n  const attach = useComposedRef(surface, ref);\n  const [plate, setPlate] = useState<{ y: number; h: number; jump: boolean } | null>(null);\n  const Part = sub ? kit.SubContent : kit.Content;\n  const { onFocusOutside, ...others } = rest as { onFocusOutside?: (event: Event) => void };\n  return (\n    <Part\n      ref={attach}\n      data-slot={sub ? \"menu-submenu\" : \"menu\"}\n      aria-label={label}\n      collisionPadding={8}\n      loop\n      {...(sub ? { sideOffset: 2, alignOffset: -4 } : {})}\n      {...others}\n      // a surface still playing its exit is already closed: the focus that moves into the next menu of a menu bar\n      // must not count as \"outside\" and close the whole bar (Radix would reset the bar's open menu to none)\n      onFocusOutside={(event: Event) => {\n        if (surface.current?.dataset.state === \"closed\") event.preventDefault();\n        onFocusOutside?.(event);\n      }}\n      className={cn(\n        overlay.surface,\n        overlay.menu,\n        \"relative min-w-[11rem]\",\n        sub ? classNames?.submenu : classNames?.content,\n        className,\n      )}\n      // React events cross portals: only rows of this surface move its plate (a submenu has its own)\n      onFocusCapture={(e: FocusEvent<HTMLDivElement>) => {\n        const item = (e.target as HTMLElement).closest<HTMLElement>(\"[data-menu-item]\");\n        if (item && !surface.current?.contains(item)) return;\n        if (!item) {\n          setPlate((p) => (p ? { ...p, h: 0 } : p));\n          return;\n        }\n        setPlate((p) => ({ y: item.offsetTop, h: item.offsetHeight, jump: !p?.h }));\n      }}\n      // while a submenu is open, its trigger keeps the plate\n      onPointerLeave={() => {\n        if (!surface.current?.querySelector(\":scope > [data-menu-item][data-state=open]\"))\n          setPlate((p) => (p ? { ...p, h: 0 } : p));\n      }}\n    >\n      <span\n        aria-hidden\n        data-slot=\"menu-indicator\"\n        className={cn(overlay.glide, classNames?.indicator)}\n        data-on={plate?.h ? \"\" : undefined}\n        data-jump={plate?.jump ? \"\" : undefined}\n        style={plate ? { transform: `translateY(${plate.y}px)`, height: plate.h || undefined } : undefined}\n      />\n      {children}\n    </Part>\n  );\n}\n\n/** Rows for a MenuItem list, in any kit. */\nexport function MenuItems({\n  kit,\n  items,\n  container,\n  classNames,\n}: {\n  kit: MenuKit;\n  items: MenuItem[];\n  container?: HTMLElement | null;\n  classNames?: MenuClassNames;\n}) {\n  return items.map((item, i) => {\n    const tone = item.tone;\n    const common = {\n      \"data-menu-item\": \"\",\n      \"data-slot\": \"menu-item\",\n      \"data-glide\": \"\",\n      \"data-tone\": tone,\n      className: cn(overlay.item, classNames?.item),\n      disabled: item.disabled,\n    };\n    const content = (\n      <>\n        {item.icon}\n        <span data-slot=\"menu-label\" dir=\"auto\" className={cn(\"min-w-0 truncate\", classNames?.label)}>\n          {item.label}\n        </span>\n        {item.shortcut && (\n          <span data-slot=\"menu-shortcut\" dir=\"ltr\" className={cn(overlay.shortcut, classNames?.shortcut)}>\n            {item.shortcut}\n          </span>\n        )}\n      </>\n    );\n    let node: ReactNode;\n    if (item.items?.length) {\n      node = (\n        <kit.Sub>\n          <kit.SubTrigger {...common}>\n            {content}\n            <ChevronRight data-slot=\"menu-chevron\" className={cn(\"ms-auto rtl:rotate-180\", classNames?.chevron)} />\n          </kit.SubTrigger>\n          {container !== null && (\n            <kit.Portal container={container}>\n              <MenuSurface kit={kit} sub classNames={classNames}>\n                <MenuItems kit={kit} items={item.items} container={container} classNames={classNames} />\n              </MenuSurface>\n            </kit.Portal>\n          )}\n        </kit.Sub>\n      );\n    } else if (item.checked !== undefined && item.type === \"radio\") {\n      node = (\n        <kit.Item {...common} role=\"menuitemradio\" aria-checked={item.checked} onSelect={item.onSelect}>\n          {content}\n          <span data-slot=\"menu-check\" className={cn(overlay.check, classNames?.check)}>\n            {item.checked && <Check />}\n          </span>\n        </kit.Item>\n      );\n    } else if (item.checked !== undefined) {\n      node = (\n        <kit.CheckboxItem\n          {...common}\n          checked={item.checked}\n          onSelect={(e: Event) => {\n            e.preventDefault();\n            item.onSelect?.(e);\n          }}\n        >\n          {content}\n          <kit.ItemIndicator data-slot=\"menu-check\" className={cn(overlay.check, classNames?.check)}>\n            <Check />\n          </kit.ItemIndicator>\n        </kit.CheckboxItem>\n      );\n    } else {\n      node = (\n        <kit.Item {...common} onSelect={item.onSelect}>\n          {content}\n        </kit.Item>\n      );\n    }\n    return (\n      <Fragment key={item.id ?? (typeof item.label === \"string\" ? item.label : i)}>\n        {item.separatorBefore && i > 0 && (\n          <kit.Separator data-slot=\"menu-separator\" className={cn(overlay.separator, classNames?.separator)} />\n        )}\n        {item.heading && (\n          <kit.Label data-slot=\"menu-heading\" className={cn(overlay.heading, classNames?.heading)}>\n            {item.heading}\n          </kit.Label>\n        )}\n        {node}\n      </Fragment>\n    );\n  });\n}\n"},{"path":"beamline/components/_shared/messages.ts","type":"registry:file","target":"src/ui/beamline/components/_shared/messages.ts","content":"import type { MessageDefinitions } from \"../../runtime/messages\";\n/** Built-in English copy for this helper only. */\nexport const english = {\n  results: {\n    one: \"{count} result\",\n    other: \"{count} results\",\n  },\n  noMatch: \"No match for {query}\",\n  fieldOver: \"{count} over\",\n  fieldFull: \"Limit reached\",\n  fieldLeft: \"{count} left\",\n  foldMore: \"{list} and {count} more\",\n  foldShow: \"Show {count} more {noun}: {list}\",\n  statusLabel: \"Checking\",\n} satisfies MessageDefinitions;\n"},{"path":"beamline/components/_shared/overlay.module.css","type":"registry:file","target":"src/ui/beamline/components/_shared/overlay.module.css","content":"@layer properties, theme, base, components, utilities;\n/* the source morph's moving parts: the clip's four sides, the radius and the offset back to the trigger */\n@property --ci-t {\n  syntax: \"<length-percentage>\";\n  inherits: false;\n  initial-value: -48px;\n}\n@property --ci-r {\n  syntax: \"<length-percentage>\";\n  inherits: false;\n  initial-value: -48px;\n}\n@property --ci-b {\n  syntax: \"<length-percentage>\";\n  inherits: false;\n  initial-value: -48px;\n}\n@property --ci-l {\n  syntax: \"<length-percentage>\";\n  inherits: false;\n  initial-value: -48px;\n}\n@property --ci-x {\n  syntax: \"<length>\";\n  inherits: false;\n  initial-value: 0px;\n}\n@property --ci-y {\n  syntax: \"<length>\";\n  inherits: false;\n  initial-value: 0px;\n}\n@layer components {\n  /* Every floating layer in the system: one surface (painted by the overlay role of the look in force), one menu-item\n   look, one scrim, one enter and exit. A layer placed against a trigger opens out of it (the source morph below); one\n   without a placement arrives in --pui-motion-in scaling from its origin. Each leaves in --pui-motion-out; Radix keeps\n   it mounted until the exit animation ends. Reduced motion makes both instant (the duration tokens become 1ms). */\n  .surface {\n    z-index: var(--pui-z-popover);\n    min-width: 8rem;\n    /* never past the screen: as wide and as tall as the room beside the trigger (Radix measures it) */\n    max-width: var(--radix-popper-available-width, none);\n    max-height: var(--radix-popper-available-height, 70vh);\n    overflow: auto;\n    border-radius: var(--pui-overlay-radius, var(--pui-radius-card));\n    color: var(--pui-ink);\n    transform-origin: var(--radix-popper-transform-origin, var(--radix-dropdown-menu-content-transform-origin, center));\n    outline: none;\n  }\n  .surface[data-state=\"open\"],\n  .surface[data-state=\"delayed-open\"],\n  .surface[data-state=\"instant-open\"] {\n    animation: pop-in var(--pui-motion-in) var(--pui-ease-default);\n  }\n  .surface[data-state=\"closed\"] {\n    animation: pop-out var(--pui-motion-out) var(--pui-ease-default) forwards;\n  }\n\n  /* The source morph (research/morphing-interfaces-2026-10-04, M3): a layer placed against a trigger does not fade in\n     beside it, it opens out of it. It starts as the trigger's own box (Radix gives its size and the side and alignment\n     it was placed on), offset back onto the trigger, and grows: the side nearest the trigger is there at once, the\n     sides across follow, the far side arrives last (~200 ms), so the rows by the trigger are readable within the\n     ruled 90 ms while the outline settles. Content fades in over those 90 ms. It closes back into the trigger in the\n     ruled 180 ms. The clip ends 48px outside the box so the layer's shadow is never cut. Reduced motion: instant. */\n  .surface[data-side] {\n    --_aw: var(--radix-popper-anchor-width, 0px);\n    --_ah: var(--radix-popper-anchor-height, 0px);\n    --_gap: 6px;\n    --from-t: -48px;\n    --from-r: -48px;\n    --from-b: -48px;\n    --from-l: -48px;\n    --from-x: 0px;\n    --from-y: 0px;\n    --d-near: calc(var(--pui-duration-standard) * 0.55);\n    --d-cross: calc(var(--pui-duration-standard) * 0.85);\n    --d-far: var(--pui-duration-standard);\n    clip-path: inset(\n      var(--ci-t) var(--ci-r) var(--ci-b) var(--ci-l) round var(--pui-overlay-radius, var(--pui-radius-card))\n    );\n    translate: var(--ci-x) var(--ci-y);\n  }\n  .surface[data-side=\"bottom\"] {\n    --from-t: 0px;\n    --from-b: calc(100% - var(--_ah));\n    --from-y: calc(-1 * (var(--_ah) + var(--_gap)));\n    --d-t: var(--d-near);\n    --d-b: var(--d-far);\n    --d-l: var(--d-cross);\n    --d-r: var(--d-cross);\n  }\n  .surface[data-side=\"top\"] {\n    --from-b: 0px;\n    --from-t: calc(100% - var(--_ah));\n    --from-y: calc(var(--_ah) + var(--_gap));\n    --d-b: var(--d-near);\n    --d-t: var(--d-far);\n    --d-l: var(--d-cross);\n    --d-r: var(--d-cross);\n  }\n  .surface[data-side=\"right\"] {\n    --from-l: 0px;\n    --from-r: calc(100% - var(--_aw));\n    --from-x: calc(-1 * (var(--_aw) + var(--_gap)));\n    --d-l: var(--d-near);\n    --d-r: var(--d-far);\n    --d-t: var(--d-cross);\n    --d-b: var(--d-cross);\n  }\n  .surface[data-side=\"left\"] {\n    --from-r: 0px;\n    --from-l: calc(100% - var(--_aw));\n    --from-x: calc(var(--_aw) + var(--_gap));\n    --d-r: var(--d-near);\n    --d-l: var(--d-far);\n    --d-t: var(--d-cross);\n    --d-b: var(--d-cross);\n  }\n  /* alignment along the trigger: which part of the layer the trigger sits over */\n  .surface:is([data-side=\"bottom\"], [data-side=\"top\"])[data-align=\"start\"] {\n    --from-l: 0px;\n    --from-r: calc(100% - var(--_aw));\n  }\n  .surface:is([data-side=\"bottom\"], [data-side=\"top\"])[data-align=\"end\"] {\n    --from-l: calc(100% - var(--_aw));\n    --from-r: 0px;\n  }\n  .surface:is([data-side=\"bottom\"], [data-side=\"top\"])[data-align=\"start\"]:dir(rtl) {\n    --from-l: calc(100% - var(--_aw));\n    --from-r: 0px;\n  }\n  .surface:is([data-side=\"bottom\"], [data-side=\"top\"])[data-align=\"end\"]:dir(rtl) {\n    --from-l: 0px;\n    --from-r: calc(100% - var(--_aw));\n  }\n  .surface:is([data-side=\"bottom\"], [data-side=\"top\"])[data-align=\"center\"] {\n    --from-l: calc((100% - var(--_aw)) / 2);\n    --from-r: calc((100% - var(--_aw)) / 2);\n  }\n  .surface:is([data-side=\"left\"], [data-side=\"right\"])[data-align=\"start\"] {\n    --from-t: 0px;\n    --from-b: calc(100% - var(--_ah));\n  }\n  .surface:is([data-side=\"left\"], [data-side=\"right\"])[data-align=\"end\"] {\n    --from-t: calc(100% - var(--_ah));\n    --from-b: 0px;\n  }\n  .surface:is([data-side=\"left\"], [data-side=\"right\"])[data-align=\"center\"] {\n    --from-t: calc((100% - var(--_ah)) / 2);\n    --from-b: calc((100% - var(--_ah)) / 2);\n  }\n  .surface[data-side]:is([data-state=\"open\"], [data-state=\"delayed-open\"], [data-state=\"instant-open\"]) {\n    animation:\n      grow-t var(--d-t) var(--pui-ease-out-strong),\n      grow-r var(--d-r) var(--pui-ease-out-strong),\n      grow-b var(--d-b) var(--pui-ease-out-strong),\n      grow-l var(--d-l) var(--pui-ease-out-strong),\n      grow-xy var(--d-cross) var(--pui-ease-out-strong),\n      settling var(--d-far) step-end;\n  }\n  .surface[data-side]:is([data-state=\"open\"], [data-state=\"delayed-open\"], [data-state=\"instant-open\"]) > * {\n    animation: content-in var(--pui-motion-in) var(--pui-ease-default) both;\n  }\n  /* one duration for every part of the exit: the layer unmounts when the first of them ends */\n  .surface[data-side][data-state=\"closed\"] {\n    animation: shrink var(--pui-motion-out) var(--pui-ease-exit) forwards;\n  }\n  .surface[data-side][data-state=\"closed\"] > * {\n    animation: content-out var(--pui-motion-in) var(--pui-ease-default) forwards;\n  }\n  @keyframes grow-t {\n    from {\n      --ci-t: var(--from-t);\n    }\n  }\n  @keyframes grow-r {\n    from {\n      --ci-r: var(--from-r);\n    }\n  }\n  @keyframes grow-b {\n    from {\n      --ci-b: var(--from-b);\n    }\n  }\n  @keyframes grow-l {\n    from {\n      --ci-l: var(--from-l);\n    }\n  }\n  @keyframes grow-xy {\n    from {\n      --ci-x: var(--from-x);\n      --ci-y: var(--from-y);\n    }\n  }\n  /* it starts over its own trigger: until it has grown, the press that opened it must not land on a row */\n  @keyframes settling {\n    0%,\n    100% {\n      pointer-events: none;\n    }\n  }\n  @keyframes shrink {\n    to {\n      --ci-t: var(--from-t);\n      --ci-r: var(--from-r);\n      --ci-b: var(--from-b);\n      --ci-l: var(--from-l);\n      --ci-x: var(--from-x);\n      --ci-y: var(--from-y);\n      opacity: 0;\n    }\n  }\n  @keyframes content-in {\n    from {\n      opacity: 0;\n    }\n  }\n  @keyframes content-out {\n    to {\n      opacity: 0;\n    }\n  }\n  .padded {\n    padding: var(--pui-pad-popover);\n  }\n  .menu {\n    padding: var(--pui-space-1);\n  }\n  @keyframes pop-in {\n    from {\n      opacity: 0;\n      transform: scale(0.97);\n    }\n  }\n  @keyframes pop-out {\n    to {\n      opacity: 0;\n      transform: scale(0.98);\n    }\n  }\n\n  /* rows (and the gliding plate) nest in the list: its radius minus its padding, never rounder than a chip; on the\n     row itself, so any list that uses .item gets it */\n  .item,\n  .glide {\n    --_item-radius: min(\n      var(--pui-radius-chip),\n      calc(var(--pui-overlay-radius, var(--pui-radius-card)) - var(--pui-space-1))\n    );\n  }\n\n  /* menu rows: shared by dropdown, context menu, menubar, select, combobox lists */\n  .item {\n    position: relative;\n    z-index: 1;\n    display: flex;\n    align-items: center;\n    gap: var(--pui-space-2);\n    min-height: var(--pui-control-height-sm);\n    padding: 0 var(--pui-space-2);\n    /* nested in the list: the overlay's radius minus its padding, never rounder than a chip */\n    border-radius: var(--_item-radius);\n    color: var(--pui-ink);\n    font-size: var(--pui-text-sm);\n    cursor: default;\n    user-select: none;\n    outline: none;\n  }\n  /* on a touch screen a row is a finger's target: the touch height (44px) from the tokens; a mouse keeps the dense row */\n  @media (pointer: coarse) {\n    .item {\n      min-height: var(--pui-control-height-touch);\n    }\n  }\n  /* a destructive row speaks in the danger ink only while it can be used: disabled wins (muted ink, no alarm for an\n     action that cannot happen) */\n  .item[data-tone=\"danger\"]:not([data-disabled]) {\n    color: var(--pui-red);\n  }\n  .item[data-disabled] {\n    color: var(--pui-ink-3);\n    pointer-events: none;\n  }\n  .item :where(svg) {\n    width: var(--pui-icon-md);\n    height: var(--pui-icon-md);\n    flex-shrink: 0;\n    color: var(--pui-ink-3);\n  }\n  .item[data-tone=\"danger\"]:not([data-disabled]) :where(svg) {\n    color: currentColor;\n  }\n  .item[data-highlighted]:not([data-glide]) {\n    background: var(--pui-hover-2);\n  }\n  /* a press is acknowledged at once, over the plate, before the menu closes or the row toggles */\n  .item:active:not([data-disabled]) {\n    background: var(--pui-hover);\n  }\n  .shortcut {\n    margin-inline-start: auto;\n    padding-inline-start: var(--pui-space-4);\n    color: var(--pui-ink-3);\n    font-size: var(--pui-text-xs);\n    letter-spacing: var(--pui-tracking-mono-caps);\n  }\n  .heading {\n    padding: var(--pui-space-1-5) var(--pui-space-2) var(--pui-space-1);\n    color: var(--pui-ink-3);\n    font-size: var(--pui-text-xs);\n    font-weight: var(--pui-weight-medium);\n  }\n  .separator {\n    height: 1px;\n    margin: var(--pui-space-1) calc(var(--pui-space-1) * -1);\n    background: var(--pui-line);\n  }\n  .check {\n    margin-inline-start: auto;\n    color: var(--pui-accent) !important;\n  }\n  /* a check arrives in its row as the value changes (at once): it grows from the middle over the arrival */\n  .check :where(svg) {\n    animation: check-in var(--pui-motion-in) var(--pui-ease-out-strong);\n  }\n  @keyframes check-in {\n    from {\n      opacity: 0;\n      scale: calc(1 - 0.5 * var(--pui-motion-travel, 1));\n    }\n  }\n  /* the gliding highlight: one plate moves between rows for the pointer and the arrow keys; it appears in place */\n  .glide {\n    position: absolute;\n    z-index: 0;\n    inset-inline: var(--pui-space-1);\n    top: 0;\n    border-radius: var(--_item-radius);\n    background: var(--pui-hover-2);\n    pointer-events: none;\n    opacity: 0;\n    transition: opacity var(--pui-motion-out) var(--pui-ease-default);\n  }\n  .glide[data-on] {\n    opacity: 1;\n    transition:\n      transform var(--pui-duration-fast) var(--pui-ease-standard),\n      height var(--pui-duration-fast) var(--pui-ease-standard),\n      opacity 0ms;\n  }\n  .glide[data-jump] {\n    transition: opacity 0ms;\n  }\n  /* a plate over a row or grid of cells takes each cell's size and travels both ways */\n  .glide[data-axis=\"xy\"] {\n    inset-inline: auto;\n    left: 0;\n  }\n  .glide[data-axis=\"xy\"][data-on] {\n    transition:\n      transform var(--pui-duration-fast) var(--pui-ease-standard),\n      width var(--pui-duration-fast) var(--pui-ease-standard),\n      height var(--pui-duration-fast) var(--pui-ease-standard),\n      opacity 0ms;\n  }\n\n  /* a layer that has begun to close is out of the way at once: for the length of its exit it takes no pointer, so a tap\n     meant for the page behind (the next row, the button the panel covered) lands there, never on the leaving ghost.\n     Focus has already gone back (Radix) and it unmounts when the exit ends. */\n  .scrim[data-state=\"closed\"],\n  .surface[data-state=\"closed\"],\n  .dialog[data-state=\"closed\"],\n  .sheet[data-state=\"closed\"] {\n    pointer-events: none;\n  }\n\n  /* modal layers */\n  .scrim {\n    position: fixed;\n    inset: 0;\n    z-index: var(--pui-z-overlay);\n    background: var(--pui-scrim);\n    backdrop-filter: blur(var(--pui-blur-overlay));\n  }\n  .scrim[data-state=\"open\"] {\n    animation: fade-in var(--pui-fade-in) var(--pui-ease-default);\n  }\n  .scrim[data-state=\"closed\"] {\n    animation: fade-out var(--pui-fade-out) var(--pui-ease-default) forwards;\n  }\n  @keyframes fade-in {\n    from {\n      opacity: 0;\n    }\n  }\n  @keyframes fade-out {\n    to {\n      opacity: 0;\n    }\n  }\n  .dialog {\n    /* the content answers to the dialog's own width (a footer's buttons share the row on a phone) */\n    container-type: inline-size;\n    position: fixed;\n    z-index: var(--pui-z-modal);\n    left: 50%;\n    top: 50%;\n    width: min(calc(100vw - var(--pui-space-8)), var(--pui-dialog-width, var(--_dialog-width, 440px)));\n    max-height: calc(100dvh - var(--pui-space-12));\n    overflow: hidden;\n    translate: -50% -50%;\n    border-radius: var(--pui-dialog-radius, var(--pui-radius-window));\n    color: var(--pui-ink);\n    outline: none;\n    /* a size chosen while open (a step that needs more room) eases the width in place, centred */\n    transition: width var(--pui-duration-standard) var(--pui-ease-standard);\n  }\n  .dialog[data-state=\"open\"] {\n    animation: dialog-in var(--pui-duration-standard) var(--pui-ease-enter);\n  }\n  .dialog[data-state=\"closed\"] {\n    animation: dialog-out var(--pui-motion-out) var(--pui-ease-default) forwards;\n  }\n  /* A dialog opened from something (use-open-from.ts) grows out of it: it starts as the opener's box, offset back onto\n     it, and grows to its own place over the considered duration while its content fades in; it closes back into the\n     opener in the ruled 180 ms. Shares the source morph's moving parts and guard with .surface. */\n  .dialog[data-open-from] {\n    clip-path: inset(\n      var(--ci-t) var(--ci-r) var(--ci-b) var(--ci-l) round var(--pui-dialog-radius, var(--pui-radius-window))\n    );\n    transform: translate(var(--ci-x), var(--ci-y));\n  }\n  .dialog[data-open-from][data-state=\"open\"] {\n    animation:\n      grow-t var(--pui-duration-considered) var(--pui-ease-out-strong),\n      grow-r var(--pui-duration-considered) var(--pui-ease-out-strong),\n      grow-b var(--pui-duration-considered) var(--pui-ease-out-strong),\n      grow-l var(--pui-duration-considered) var(--pui-ease-out-strong),\n      grow-xy calc(var(--pui-duration-considered) * 0.9) var(--pui-ease-out-strong),\n      settling var(--pui-duration-considered) step-end;\n  }\n  .dialog[data-open-from][data-state=\"open\"] > * {\n    animation: content-in var(--pui-duration-standard) var(--pui-ease-default) calc(var(--pui-duration-standard) * 0.35)\n      both;\n  }\n  .dialog[data-open-from][data-state=\"closed\"] {\n    animation: shrink var(--pui-motion-out) var(--pui-ease-exit) forwards;\n  }\n  .dialog[data-open-from][data-state=\"closed\"] > * {\n    animation: content-out var(--pui-motion-in) var(--pui-ease-default) forwards;\n  }\n  /* A sheet: a panel from an edge. It slides in from its edge over the considered duration on the drawer curve and\n     goes back out to that edge in the ruled departure (a layer closes back into where it came from). The edge is\n     logical: an end (\"right\") sheet comes from the left in a right-to-left page. Its content answers to its width. */\n  .sheet {\n    --_sx: 0px;\n    --_sy: 0px;\n    container-type: inline-size;\n    /* where a finger has swiped it toward its edge (sheet.tsx); it settles back over the departure */\n    translate: var(--_swipe, 0px) 0;\n  }\n  /* a side panel leaves sideways pans to the swipe and keeps vertical scrolling native, in its body too */\n  .sheet:is([data-side=\"left\"], [data-side=\"right\"]),\n  .sheet:is([data-side=\"left\"], [data-side=\"right\"]) [data-slot=\"sheet-body\"] {\n    touch-action: pan-y;\n  }\n  .sheet:is([data-side=\"left\"], [data-side=\"right\"]) {\n    transition:\n      var(--m-transition),\n      translate var(--pui-motion-out) var(--pui-ease-default);\n  }\n  .sheet[data-swiping] {\n    transition: none;\n  }\n  .sheet[data-side=\"right\"] {\n    --_sx: 100%;\n  }\n  .sheet[data-side=\"left\"] {\n    --_sx: -100%;\n  }\n  .sheet[data-side=\"right\"]:dir(rtl) {\n    --_sx: -100%;\n  }\n  .sheet[data-side=\"left\"]:dir(rtl) {\n    --_sx: 100%;\n  }\n  .sheet[data-side=\"top\"] {\n    --_sy: -100%;\n  }\n  .sheet[data-side=\"bottom\"] {\n    --_sy: 100%;\n  }\n  .sheet[data-state=\"open\"] {\n    animation: sheet-in var(--pui-duration-considered) var(--pui-ease-drawer) both;\n  }\n  .sheet[data-state=\"closed\"] {\n    animation: sheet-out var(--pui-motion-out) var(--pui-ease-exit) forwards;\n  }\n  @keyframes sheet-in {\n    from {\n      translate: var(--_sx) var(--_sy);\n    }\n  }\n  @keyframes sheet-out {\n    to {\n      translate: var(--_sx) var(--_sy);\n    }\n  }\n  @keyframes dialog-in {\n    from {\n      opacity: 0;\n      transform: scale(0.96);\n    }\n  }\n  @keyframes dialog-out {\n    to {\n      opacity: 0;\n      transform: scale(0.98);\n    }\n  }\n}\n\n/* Reduced motion: surfaces and dialogs fade without scaling or growing, over the fade tokens (restrained under reduced,\n   1ms under none; APPEARANCE A06). */\n@media (prefers-reduced-motion: reduce) {\n  .surface,\n  .dialog,\n  .sheet {\n    animation-name: fade-in !important;\n    animation-duration: var(--pui-fade-in) !important;\n  }\n  .surface[data-state=\"closed\"],\n  .dialog[data-state=\"closed\"],\n  .sheet[data-state=\"closed\"] {\n    animation-name: fade-out !important;\n    animation-duration: var(--pui-fade-out) !important;\n  }\n}\n@layer components {\n  :global(.pui[data-motion=\"reduced\"]) .surface,\n  :global(.pui[data-motion=\"none\"]) .surface,\n  :global(.pui[data-motion=\"reduced\"]) .dialog,\n  :global(.pui[data-motion=\"none\"]) .dialog,\n  :global(.pui[data-motion=\"reduced\"]) .sheet,\n  :global(.pui[data-motion=\"none\"]) .sheet {\n    animation-name: fade-in;\n    animation-duration: var(--pui-fade-in);\n  }\n  :global(.pui[data-motion=\"reduced\"]) .surface[data-state=\"closed\"],\n  :global(.pui[data-motion=\"none\"]) .surface[data-state=\"closed\"],\n  :global(.pui[data-motion=\"reduced\"]) .dialog[data-state=\"closed\"],\n  :global(.pui[data-motion=\"none\"]) .dialog[data-state=\"closed\"],\n  :global(.pui[data-motion=\"reduced\"]) .sheet[data-state=\"closed\"],\n  :global(.pui[data-motion=\"none\"]) .sheet[data-state=\"closed\"] {\n    animation-name: fade-out;\n    animation-duration: var(--pui-fade-out);\n  }\n}\n/* CSS-module composition only; visual rules stay in the component layer. */\n.surface {\n  composes: m-overlay from global;\n}\n.dialog {\n  composes: m-overlay from global;\n}\n"},{"path":"beamline/components/button/button-variants.ts","type":"registry:file","target":"src/ui/beamline/components/button/button-variants.ts","content":"import { cn } from \"../../lib/utils\";\nimport styles from \"./button.module.css\";\n\nexport type ButtonVariant = \"primary\" | \"secondary\" | \"outline\" | \"ghost\" | \"danger\" | \"accent\";\n/** sm 32 · md 36 · lg 40 · touch 44 (a bottom action bar on a phone). */\nexport type ButtonSize = \"sm\" | \"md\" | \"lg\" | \"touch\";\n/** Market side: buy fills with --pui-up, sell with --pui-down (a red-up market flips the two tokens, not the code). */\nexport type ButtonTone = \"up\" | \"down\";\n\n/** Which paint role paints each variant: filled variants are solids, the quiet ones keep their own light paint. */\nconst ROLE: Record<ButtonVariant, string | undefined> = {\n  primary: \"m-solid\",\n  accent: \"m-solid\",\n  secondary: \"m-control\",\n  outline: undefined,\n  ghost: undefined,\n  danger: undefined,\n};\n\n/** A variant's paint without the button's layout, for a group that wears one button's look (SplitButton paints the\n *  pair as one button and leaves its halves transparent). */\nexport function buttonPaint(variant: ButtonVariant = \"primary\", tone?: ButtonTone) {\n  return cn(ROLE[variant], styles[variant], tone && styles[tone]);\n}\n\n/** The classes that make any element look like a Button, for parts that render their own element. */\nexport function buttonClassName({\n  variant = \"primary\",\n  size = \"md\",\n  tone,\n  className,\n}: { variant?: ButtonVariant; size?: ButtonSize; tone?: ButtonTone; className?: string } = {}) {\n  return cn(styles.root, ROLE[variant], styles[variant], tone && styles[tone], styles[size], className);\n}\n"},{"path":"beamline/components/button/button.module.css","type":"registry:file","target":"src/ui/beamline/components/button/button.module.css","content":"@layer properties, theme, base, components, utilities;\n@layer components {\n  /* Button. Every colour, size and duration is a token; a variant only sets the four local properties below. */\n  .root {\n    --_button-bg: transparent;\n    --_button-bg-hover: var(--pui-hover);\n    --_button-fg: var(--pui-ink);\n    --_button-edge: none;\n    --_button-height: var(--pui-control-height-md);\n    --_button-pad: 14px;\n    position: relative;\n    isolation: isolate;\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    gap: var(--pui-space-1-5);\n    flex-shrink: 0;\n    height: var(--_button-height);\n    min-width: var(--_button-height);\n    /* never wider than its room: in a narrow card the label ends in an ellipsis instead of spilling (the full words\n       stay the accessible name) */\n    max-width: 100%;\n    padding-inline: var(--_button-pad);\n    border: 0;\n    /* Nested context: inside a frame that sets --pui-nest-radius and --pui-nest-inset (and --pui-nest-ceiling for pills)\n       the corner is the shared nested corner (.nest-corner, utilities.css: radius − inset, or the button's own radius\n       where that would fall under the chip radius); elsewhere the control radius. --pui-button-radius wins over both. */\n    border-radius: var(--pui-button-radius, var(--pui-nested, var(--pui-radius-control)));\n    color: var(--_button-fg);\n    font-family: var(--pui-font-body);\n    font-size: var(--pui-text-sm);\n    font-weight: var(--pui-weight-medium);\n    line-height: 1;\n    letter-spacing: var(--pui-tracking-body);\n    white-space: nowrap;\n    text-decoration: none;\n    cursor: pointer;\n    user-select: none;\n    -webkit-tap-highlight-color: transparent;\n    /* frequency law: hover arrives at 0ms (below), leaves over the ruled departure; opacity and translate are listed\n       so a button that waits for attention (.reveal) fades away like every reveal instead of vanishing */\n    transition:\n      var(--m-transition),\n      background-color var(--pui-motion-out) var(--pui-ease-default),\n      color var(--pui-motion-out) var(--pui-ease-default),\n      opacity var(--pui-motion-out) var(--pui-ease-default),\n      translate var(--pui-motion-out) var(--pui-ease-default);\n  }\n  /* the quiet variants paint themselves; filled and secondary variants are painted by their look role (m-solid,\n   m-control), which these zero-specificity rules can never override */\n  :where(.root) {\n    background: var(--_button-bg);\n    box-shadow: var(--_button-edge);\n  }\n  :where(.root:hover:not(:disabled, [aria-disabled=\"true\"])) {\n    background: var(--_button-bg-hover);\n  }\n  .root:hover:not(:disabled, [aria-disabled=\"true\"]) {\n    transition-duration: 0ms;\n  }\n  /* the asChild form has no motion: a CSS press instead */\n  .root:not(button):active {\n    transform: scale(0.97);\n  }\n  .root:disabled,\n  .root[aria-disabled=\"true\"]:not([data-loading]) {\n    opacity: var(--pui-opacity-disabled);\n    cursor: not-allowed;\n  }\n  .root[data-loading] {\n    cursor: progress;\n  }\n\n  /* Icons: 16px unless the icon says otherwise (zero specificity, so size-5 or an inline size wins) */\n  :where(.root) :where(svg) {\n    width: var(--pui-icon-md);\n    height: var(--pui-icon-md);\n    flex-shrink: 0;\n  }\n\n  .sm {\n    --_button-height: var(--pui-control-height-sm);\n    --_button-pad: var(--pui-space-2-5);\n    /* the base gap (--pui-space-1-5); 5px had no scale step, and 6px also lets the loader's negative margin cancel\n       the gap exactly at every size */\n  }\n  .md {\n    --_button-height: var(--pui-control-height-md);\n    --_button-pad: 14px;\n  }\n  .lg {\n    --_button-height: var(--pui-control-height-lg);\n    --_button-pad: var(--pui-space-4);\n    font-size: var(--pui-text-base);\n  }\n  /* a bottom action bar on a phone: the 44 px touch target (a platform minimum, not a spacing step, so it holds when\n     the spacing parameter changes — O1 §14.2), the large label */\n  .touch {\n    --_button-height: calc(var(--pui-control-height-lg) + 0.25rem);\n    --_button-pad: var(--pui-space-5);\n    font-size: var(--pui-text-base);\n  }\n  .root[data-icon-only] {\n    padding-inline: 0;\n    width: var(--_button-height);\n  }\n\n  /* the main action: ink on the page, inverted per theme */\n  .primary {\n    --m-color: var(--pui-ink);\n    --_button-fg: var(--pui-ink-inverse);\n  }\n  .secondary {\n    --_button-fg: var(--pui-ink);\n  }\n  .outline {\n    --_button-edge: inset 0 0 0 1px var(--pui-line-strong);\n    --_button-bg-hover: var(--pui-hover);\n  }\n  .ghost {\n    --_button-fg: var(--pui-ink-2);\n    --_button-bg-hover: var(--pui-hover);\n  }\n  .ghost:hover:not(:disabled) {\n    color: var(--pui-ink);\n  }\n  .danger {\n    --_button-fg: var(--pui-red);\n    --_button-edge: inset 0 0 0 1px color-mix(in oklab, var(--pui-red) 42%, transparent);\n    --_button-bg-hover: var(--pui-red-tint);\n  }\n  .accent {\n    --m-color: var(--pui-accent);\n    --_button-fg: var(--pui-accent-foreground);\n  }\n\n  /* Market side. Declared after the variants so it wins: a filled variant takes the side's colour and its on-colour\n     ink; a quiet variant keeps its paint and colours the label. */\n  .up {\n    --m-color: var(--pui-up);\n    --_button-fg: var(--pui-up);\n  }\n  .down {\n    --m-color: var(--pui-down);\n    --_button-fg: var(--pui-down);\n  }\n  .ghost:is(.up, .down):hover:not(:disabled) {\n    color: var(--_button-fg);\n  }\n  .primary.up,\n  .accent.up {\n    --_button-fg: var(--pui-on-up);\n  }\n  .primary.down,\n  .accent.down {\n    --_button-fg: var(--pui-on-down);\n  }\n\n  /* The main actions' light, where the look provides one, as a spectrum. Glow spills a soft light in the brand's\n     spectrum from under the button's bottom edge (clipped at it, so it never tints the face) that brightens under the\n     pointer. Prism keeps it inside the glass (--m-solid-glow-fit: 1): the face the light leaves by, the bottom edge,\n     splits it into a crisp line with a faint wash rising into the face, only while pointed at. Every other look\n     leaves --m-solid-glow at none, so the layer does not exist. */\n  .primary::after,\n  .accent::after {\n    --_fit: var(--m-solid-glow-fit, 0);\n    content: var(--m-solid-glow);\n    position: absolute;\n    z-index: -1;\n    top: calc((1 - var(--_fit)) * (100% + var(--m-solid-glow-gap, 0px)));\n    inset-inline: var(--m-solid-glow-inset, 14%);\n    height: var(--m-solid-glow-height, 14px);\n    border-radius: calc(\n      var(--_fit) * var(--pui-button-radius, var(--pui-nested, var(--pui-radius-control))) + (1 - var(--_fit)) *\n        var(--pui-radius-pill)\n    );\n    background: var(--m-spectrum);\n    background-size: var(--m-spectrum-size, 100% 100%);\n    /* the part of the spectrum that shows: this button's own angle (--m-prism-seed, new at every press), turned by\n       where the pointer is across the face (--m-prism-x) in a look that turns it (--m-solid-glow-turn) */\n    background-position: calc((var(--m-prism-seed, 0.3) + var(--m-prism-x, 0.5) * var(--m-solid-glow-turn, 0)) * 100%) 0;\n    filter: blur(var(--m-solid-glow-blur, 9px));\n    clip-path: var(--m-solid-glow-clip, inset(0 -32px -32px -32px));\n    mask: var(--m-solid-glow-mask, none);\n    mask-position:\n      0 0,\n      calc(var(--m-prism-seed, 0.3) * 100%) 0;\n    mask-composite: intersect;\n    opacity: var(--m-solid-glow-rest, 0.75);\n    scale: var(--m-solid-glow-scale, 1) 1;\n    pointer-events: none;\n    transition:\n      opacity var(--pui-motion-out) var(--pui-ease-default),\n      scale var(--pui-motion-out) var(--pui-ease-default),\n      background-position var(--pui-duration-considered) var(--pui-ease-default),\n      mask-position var(--pui-duration-considered) var(--pui-ease-default);\n  }\n  /* pointed at: the light brightens (glow) or grows out from the centre and drifts along while the pointer stays\n     (prism) */\n  .primary:hover::after,\n  .accent:hover::after {\n    opacity: 1;\n    scale: 1 1;\n    transition-duration: var(--m-solid-glow-in, 0ms);\n    animation: var(--m-solid-glow-flow, none);\n  }\n  /* A change of word or colour (Save → Saved, a tone turning green) passes a band of split light across the face once,\n     in a look that has one (prism: --m-solid-shift-light; the pen hook's ::before is free on a solid otherwise). */\n  .primary[data-shift]::before,\n  .accent[data-shift]::before {\n    content: var(--m-solid-shift-light, none);\n    position: absolute;\n    inset: 0;\n    z-index: -1;\n    border: 0;\n    border-radius: inherit;\n    background: var(--m-spectrum) 0 0 / var(--m-spectrum-size, 100% 100%);\n    mask: linear-gradient(105deg, transparent 39%, #000 47.5%, #000 52.5%, transparent 61%) 0 0 / 300% 100% no-repeat;\n    opacity: 0;\n    animation: prism-shift calc(var(--pui-duration-considered) * 2.2) var(--pui-ease-default);\n    pointer-events: none;\n  }\n  @keyframes prism-shift {\n    from {\n      mask-position: 100% 0;\n      opacity: 0.25;\n    }\n    35% {\n      opacity: 0.55;\n    }\n    to {\n      mask-position: 0 0;\n      opacity: 0;\n    }\n  }\n  @media (prefers-reduced-motion: reduce) {\n    .primary::after,\n    .accent::after {\n      transition: none;\n      animation: none !important;\n    }\n    .primary[data-shift]::before,\n    .accent[data-shift]::before {\n      content: none;\n    }\n  }\n  .root:disabled::after,\n  .root[aria-disabled=\"true\"]::after {\n    content: none;\n  }\n\n  /* The loader opens its own width, and the negative margin cancels the gap so the label does not jump */\n  .loader {\n    display: inline-flex;\n    overflow: hidden;\n    margin-inline-end: calc(var(--pui-space-1-5) * -1);\n  }\n  .loader > * {\n    margin-inline-end: var(--pui-space-1-5);\n  }\n  .spinner {\n    color: currentColor;\n  }\n  .root[data-icon-only] .loader {\n    margin-inline-end: 0;\n  }\n  .root[data-icon-only] .loader > * {\n    margin-inline-end: 0;\n  }\n\n  /* The label holds its place while the text inside swaps; the leaving text pops out of flow against it */\n  .label {\n    position: relative;\n    display: inline-flex;\n    justify-content: center;\n    min-width: 0;\n    overflow: visible;\n  }\n  /* the clip box is let out by a little over a line so descenders are never cut, without changing the layout */\n  .text {\n    display: inline-block;\n    max-width: 100%;\n    margin-block: -0.2em;\n    padding-block: 0.2em;\n    overflow: hidden;\n    text-overflow: ellipsis;\n    white-space: nowrap;\n  }\n  .label[data-morphing] > .text {\n    overflow: visible;\n    text-overflow: clip;\n  }\n}\n\n@layer components {\n  :global(.pui[data-motion=\"reduced\"]) .root:not(button):active,\n  :global(.pui[data-motion=\"none\"]) .root:not(button):active {\n    transform: none;\n  }\n  @media (prefers-reduced-motion: reduce) {\n    .root:not(button):active {\n      transform: none;\n    }\n  }\n}\n/* CSS-module composition only; visual rules stay in the component layer. */\n.root {\n  composes: nest-corner from global;\n}\n"},{"path":"beamline/components/button/button.tsx","type":"registry:file","target":"src/ui/beamline/components/button/button.tsx","content":"\"use client\";\n\nimport { useMessages } from \"../../runtime/localization\";\nimport { english as englishMessages } from \"./messages\";\nimport {\n  Children,\n  Fragment,\n  isValidElement,\n  useLayoutEffect,\n  useRef,\n  type ButtonHTMLAttributes,\n  type PointerEvent,\n  type ReactNode,\n  type Ref,\n  type RefObject,\n  type ComponentProps,\n} from \"react\";\nimport { AnimatePresence, LazyMotion, m, spring, useIsPresent } from \"motion/react\";\nimport { animate } from \"motion/mini\";\nimport * as Slot from \"@radix-ui/react-slot\";\nimport { Spinner } from \"../spinner/spinner\";\nimport type { BuiltInLook as Look } from \"../../runtime/preset\";\nimport { useComposedRef } from \"../../hooks/use-composed-ref\";\nimport { useMotionTokens } from \"../../hooks/use-motion-tokens\";\nimport { cn } from \"../../lib/utils\";\nimport styles from \"./button.module.css\";\n\nexport type { ButtonVariant, ButtonSize, ButtonTone } from \"./button-variants\";\nexport { buttonPaint, buttonClassName } from \"./button-variants\";\nimport { buttonClassName, type ButtonVariant, type ButtonSize, type ButtonTone } from \"./button-variants\";\nimport type { ButtonDefaults } from \"./defaults\";\nexport type { ButtonDefaults } from \"./defaults\";\nimport { useComponentDefaults } from \"../../runtime/appearance\";\nimport { useReducedMotionSafe } from \"../../hooks/use-reduced-motion-safe\";\n\ntype NativeProps = Omit<\n  ButtonHTMLAttributes<HTMLButtonElement>,\n  \"onDrag\" | \"onDragEnd\" | \"onDragStart\" | \"onAnimationStart\"\n>;\n\nexport interface ButtonProps extends NativeProps {\n  /** Visual weight: primary (ink-filled), secondary, outline, ghost, danger, or accent (filled with the brand). */\n  variant?: ButtonVariant;\n  /** Height 32 / 36 / 40 px; touch 44 px for a bottom action bar on a phone. */\n  size?: ButtonSize;\n  /** Market side. On primary/accent the fill becomes --pui-up (buy) or --pui-down (sell); on the quiet variants the\n   *  label takes that colour. Pair it with a word or arrow: colour is never the only signal. */\n  tone?: ButtonTone;\n  /** Shows a loader in front of the label, sets aria-busy and ignores clicks; size and focus stay. */\n  loading?: boolean;\n  classNames?: Partial<Record<\"root\" | \"label\" | \"loader\", string>>;\n  /** Paint this button in another look than the one in force around it (DESIGN-LANGUAGE.md \"Looks\"). */\n  look?: Look;\n  /** Render the single child (a link, a Radix trigger) with the button's look instead of a <button>. */\n  asChild?: boolean;\n  /** A square button holding only an icon (give it an aria-label). Decided by the children when left out: icon-only when\n   *  no words sit anywhere among them (an icon, or a frame of icons), so `<span>Close</span>` is a label. */\n  iconOnly?: boolean;\n  ref?: Ref<HTMLButtonElement>;\n}\n\n// Motion's animation features arrive in a deferred chunk (AT11): the button renders and works at once, and its press,\n// loader and label motion run once they land, a frame or two after mount. Buttons that mount after that get the\n// loaded features directly, so they render once instead of again when a lazy load resolves.\ntype Features = typeof import(\"./motion-features\").default;\nlet loaded: Features | null = null;\nconst features = () =>\n  import(\"./motion-features\").then((module) => {\n    loaded = module.default;\n    return loaded;\n  });\n\n/** Children with fragments opened up, so `{busy ? <><Icon />Saving</> : …}` reads as icon plus text. */\nconst flat = (children: ReactNode): ReactNode[] =>\n  Children.toArray(children).flatMap((c) =>\n    isValidElement<{ children?: ReactNode }>(c) && c.type === Fragment ? flat(c.props.children) : [c],\n  );\n\n/** Whether any words sit anywhere inside (an icon, or a frame of icons, has none). */\nfunction hasText(node: ReactNode): boolean {\n  if (typeof node === \"string\") return node.trim() !== \"\";\n  if (typeof node === \"number\") return true;\n  if (Array.isArray(node)) return node.some(hasText);\n  return isValidElement<{ children?: ReactNode }>(node) && hasText(node.props.children);\n}\n\n/** Splits children into the text run (the label that can change) and everything else (icons), in order, and says\n *  whether any element carries content of its own (a `<span>Close</span>` label, unlike an icon). */\nfunction split(children: ReactNode) {\n  const parts = flat(children);\n  const text = parts\n    .filter((p) => typeof p === \"string\" || typeof p === \"number\")\n    .join(\"\")\n    .trim();\n  const firstText = parts.findIndex((p) => typeof p === \"string\" || typeof p === \"number\");\n  const before = firstText === -1 ? parts : parts.slice(0, firstText).filter(isValidElement);\n  const after = firstText === -1 ? [] : parts.slice(firstText).filter(isValidElement);\n  const content = parts.some((p) => isValidElement<{ children?: ReactNode }>(p) && hasText(p.props.children));\n  return { text, before, after, content };\n}\n\n/**\n * The action control. Hover answers at once and lets go over --pui-motion-out; a press scales down at once, or swells\n * on the snappy spring where the look's --pui-press-scale is above 1 (glass), never on a trigger that anchors a\n * floating layer, which would measure a resized box; a changed label slides in while the\n * width follows on a critically damped spring; loading keeps the size and the focus.\n */\nexport function Button({\n  variant: variantProp,\n  size: sizeProp,\n  tone: toneProp,\n  loading = false,\n  look,\n  asChild = false,\n  iconOnly: iconOnlyProp,\n  className,\n  classNames,\n  children,\n  type,\n  onClick,\n  onPointerMove,\n  onPointerDown,\n  disabled,\n  ref,\n  ...props\n}: ButtonProps) {\n  const i18n = useMessages(\"button\", englishMessages);\n\n  const defaults = useComponentDefaults<ButtonDefaults>(\"button\", [\"variant\", \"size\", \"tone\"]);\n  const variant = variantProp ?? defaults.variant ?? \"primary\";\n  const size = sizeProp ?? defaults.size ?? \"md\";\n  const tone = toneProp ?? defaults.tone;\n  const host = useRef<HTMLButtonElement>(null);\n  const attach = useComposedRef(host, ref);\n  const motionTokens = useMotionTokens(host);\n  const requestedReduced = useReducedMotionSafe();\n  const reduced = requestedReduced || motionTokens.reduced;\n  // Reduced motion keeps a restrained fade; none removes it (APPEARANCE A06).\n  const fade = motionTokens.mode === \"none\" ? 0 : motionTokens.fade.in;\n  // a caller's aria-disabled keeps the button focusable (focus never drops after Save resolves) but inert to presses\n  const softDisabled = props[\"aria-disabled\"] === true || props[\"aria-disabled\"] === \"true\";\n  const { text, before, after, content } = split(children);\n  const prism = usePrismLight(host, variant === \"primary\" || variant === \"accent\", `${text}|${tone}|${variant}`);\n  // with asChild the text sits inside the child (the link), not among our own children\n  const inner = asChild && isValidElement<{ children?: ReactNode }>(children) ? split(children.props.children) : null;\n  const iconOnly = iconOnlyProp ?? (inner ? !inner.text && !inner.content : !text && !content);\n  const anchor =\n    (props[\"aria-haspopup\"] != null && props[\"aria-haspopup\"] !== false && props[\"aria-haspopup\"] !== \"false\") ||\n    \"data-state\" in props;\n  const shared = {\n    \"data-slot\": \"button\",\n    \"data-variant\": variant,\n    \"data-size\": size,\n    \"data-tone\": tone,\n    \"data-icon-only\": iconOnly ? \"\" : undefined,\n    \"data-loading\": loading ? \"\" : undefined,\n    \"data-look\": look,\n    className: buttonClassName({ variant, size, tone, className: cn(classNames?.root, className) }),\n  };\n\n  if (asChild)\n    return (\n      <Slot.Root {...shared} {...props} ref={attach}>\n        {children}\n      </Slot.Root>\n    );\n\n  const button = (\n    <m.button\n      ref={attach}\n      type={type ?? \"button\"}\n      {...shared}\n      {...props}\n      disabled={disabled}\n      aria-busy={loading || undefined}\n      aria-disabled={loading || softDisabled || undefined}\n      onPointerMove={(e) => {\n        prism.turn(e);\n        onPointerMove?.(e);\n      }}\n      onPointerDown={(e) => {\n        prism.press();\n        onPointerDown?.(e);\n      }}\n      onClick={(e) => {\n        if (loading || softDisabled) {\n          e.preventDefault();\n          return;\n        }\n        onClick?.(e);\n      }}\n      whileTap={\n        reduced || anchor || disabled || loading || softDisabled\n          ? undefined\n          : {\n              scale: motionTokens.pressScale,\n              // a press that sinks lands at once; one that swells toward the finger (glass) grows on the spring\n              transition: motionTokens.pressScale > 1 ? motionTokens.spring.snappy : { duration: 0 },\n            }\n      }\n      transition={{ scale: motionTokens.spring.snappy }}\n    >\n      <AnimatePresence initial={false}>\n        {loading && (\n          <m.span\n            key=\"loader\"\n            data-slot=\"button-loader\"\n            className={cn(styles.loader, classNames?.loader)}\n            initial={reduced ? { opacity: 0 } : { width: 0, opacity: 0 }}\n            animate={{ width: \"auto\", opacity: 1 }}\n            exit={reduced ? { opacity: 0 } : { width: 0, opacity: 0 }}\n            transition={{ duration: reduced ? fade : motionTokens.duration.standard, ease: motionTokens.ease.default }}\n          >\n            <Spinner size=\"sm\" label={i18n(\"working\")} className={styles.spinner} />\n          </m.span>\n        )}\n      </AnimatePresence>\n      {iconOnly ? !loading && before : before}\n      {!iconOnly && text && (\n        <Label text={text} reduced={!!reduced} fade={fade} motionTokens={motionTokens} className={classNames?.label} />\n      )}\n      {after}\n    </m.button>\n  );\n  return <LazyMotion features={loaded ?? features}>{button}</LazyMotion>;\n}\n\n/**\n * The main action's light inside the glass, in a look that draws one (prism): its own angle from the start, turned by\n * where the pointer is across the face, a new angle at every press, and a sweep of split light (data-shift) when the\n * button's word, tone or variant changes after it first appears. Writes two style properties and one attribute on the\n * button; nothing runs at rest. Looks without this light ignore all three.\n */\nfunction usePrismLight(host: RefObject<HTMLButtonElement | null>, solid: boolean, state: string) {\n  const frame = useRef(0);\n  const shown = useRef(state);\n  const ending = useRef(0);\n  useLayoutEffect(() => {\n    const el = host.current;\n    if (el && solid) el.style.setProperty(\"--m-prism-seed\", Math.random().toFixed(3));\n  }, [host, solid]);\n  useLayoutEffect(() => {\n    const el = host.current;\n    if (!el || !solid || shown.current === state) return;\n    shown.current = state;\n    // restart the sweep if it is still running\n    delete el.dataset.shift;\n    void el.offsetWidth;\n    el.dataset.shift = \"\";\n    clearTimeout(ending.current);\n    ending.current = window.setTimeout(() => delete el.dataset.shift, 1200);\n  }, [host, solid, state]);\n  useLayoutEffect(\n    () => () => {\n      clearTimeout(ending.current);\n      cancelAnimationFrame(frame.current);\n    },\n    [],\n  );\n  return {\n    turn: (e: PointerEvent<HTMLButtonElement>) => {\n      if (!solid || e.pointerType !== \"mouse\" || frame.current) return;\n      const el = e.currentTarget;\n      const x = e.clientX;\n      frame.current = requestAnimationFrame(() => {\n        frame.current = 0;\n        const r = el.getBoundingClientRect();\n        if (r.width) el.style.setProperty(\"--m-prism-x\", ((x - r.left) / r.width).toFixed(3));\n      });\n    },\n    press: () => {\n      if (solid) host.current?.style.setProperty(\"--m-prism-seed\", Math.random().toFixed(3));\n    },\n  };\n}\n\n/** The text run. When it changes, the old words leave upward and the new ones rise in, while the width moves from the\n *  old measure to the new one; no measuring happens while the label is unchanged. */\nfunction Label({\n  text,\n  reduced,\n  fade,\n  motionTokens,\n  className,\n}: {\n  text: string;\n  reduced: boolean;\n  /** Seconds of the label crossfade under reduced motion (0 under none). */\n  fade: number;\n  /** The button's own, resolved at the button: the label sits inside it, in the same look and motion. */\n  motionTokens: ReturnType<typeof useMotionTokens>;\n  className?: string;\n}) {\n  const slot = useRef<HTMLSpanElement>(null);\n  const latest = useRef(motionTokens);\n  useLayoutEffect(() => {\n    latest.current = motionTokens;\n  }, [motionTokens]);\n  const last = useRef<{ text: string; width: number } | null>(null);\n  useLayoutEffect(() => {\n    const el = slot.current;\n    if (!el) return;\n    const prev = last.current;\n    // first mount: read the width after paint, when layout is already clean, instead of forcing a layout per button\n    if (!prev) {\n      last.current = { text, width: Number.NaN };\n      const id = requestAnimationFrame(() => {\n        if (last.current?.text === text) last.current = { text, width: el.getBoundingClientRect().width };\n      });\n      return () => cancelAnimationFrame(id);\n    }\n    el.style.width = \"\";\n    const width = el.getBoundingClientRect().width;\n    last.current = { text, width };\n    // a label that is not rendered (a hidden toolbar on a phone) has nothing to animate\n    if (prev.text === text || reduced || Number.isNaN(prev.width) || !el.getClientRects().length) return;\n    // The same spring, played natively: motion/mini samples the generator into a linear() easing.\n    const { visualDuration, bounce } = latest.current.spring.morph;\n    // while the width eases the words are clipped, not cut short with an ellipsis (that is for a room too narrow)\n    el.dataset.morphing = \"\";\n    const run = animate(el, { width: [`${prev.width}px`, `${width}px`] }, { type: spring, visualDuration, bounce });\n    run.then(() => {\n      el.style.width = \"\";\n      delete el.dataset.morphing;\n    });\n    // cancel, not stop: stop commits the running value, which throws once the element stops being rendered, and the\n    // next change measures afresh anyway\n    return () => {\n      run.cancel();\n      el.style.width = \"\";\n      delete el.dataset.morphing;\n    };\n  }, [text, reduced]);\n  // A label that changes faster than its words can rise in (a count read live while a hand drags) shows each new\n  // value at once: otherwise every value would start invisible and the button would read blank for the whole drag.\n  const rapid = useRapid(text, motionTokens.duration.standard * 1000);\n  const enter = reduced ? { opacity: 0 } : { opacity: 0, y: \"0.45em\", filter: `blur(${motionTokens.blur.subtle}px)` };\n  const leave = reduced\n    ? { opacity: 0 }\n    : {\n        opacity: 0,\n        y: \"-0.45em\",\n        filter: `blur(${motionTokens.blur.subtle}px)`,\n        transition: { duration: motionTokens.duration.fast },\n      };\n  return (\n    <span ref={slot} data-slot=\"button-label\" className={cn(styles.label, className)}>\n      <AnimatePresence mode=\"popLayout\" initial={false} custom={rapid}>\n        <Words\n          key={text}\n          className={styles.text}\n          custom={rapid}\n          variants={{\n            enter: (fast: boolean) => (fast ? { opacity: 1, y: \"0em\", filter: \"blur(0px)\" } : enter),\n            shown: { opacity: 1, y: \"0em\", filter: \"blur(0px)\" },\n            leave: (fast: boolean) => (fast ? { opacity: 0, transition: { duration: 0 } } : leave),\n          }}\n          initial=\"enter\"\n          animate=\"shown\"\n          exit=\"leave\"\n          transition={{ duration: reduced ? fade : motionTokens.duration.standard, ease: motionTokens.ease.default }}\n        >\n          {text}\n        </Words>\n      </AnimatePresence>\n    </span>\n  );\n}\n\n/** Whether `text` changed again within `ms` of its last change. Read in render: the answer belongs to this text. */\nfunction useRapid(text: string, ms: number) {\n  const seen = useRef({ text, at: Number.NEGATIVE_INFINITY, rapid: false });\n  if (seen.current.text !== text) {\n    const at = performance.now();\n    seen.current = { text, at, rapid: at - seen.current.at < ms };\n  }\n  return seen.current.rapid;\n}\n\n/** One label's words. Leaving, they are already gone for assistive tech: the button's name is the new label at once,\n *  not both while the old words animate away (or for good, where time stands still in a test). */\nfunction Words(props: ComponentProps<typeof m.span>) {\n  const present = useIsPresent();\n  return <m.span {...props} aria-hidden={present ? undefined : true} />;\n}\n\nexport default Button;\n"},{"path":"beamline/components/button/defaults.ts","type":"registry:file","target":"src/ui/beamline/components/button/defaults.ts","content":"import type { ButtonSize, ButtonTone, ButtonVariant } from \"./button-variants\";\n/** Scoped design choices only; no loading, events or domain state. */\nexport interface ButtonDefaults {\n  variant?: ButtonVariant;\n  size?: ButtonSize;\n  tone?: ButtonTone;\n}\n"},{"path":"beamline/components/button/messages.ts","type":"registry:file","target":"src/ui/beamline/components/button/messages.ts","content":"import type { MessageDefinitions } from \"../../runtime/messages\";\n/** Built-in English copy; stable keys are the public translation API. */\nexport const english = {\n  working: \"Working\",\n} satisfies MessageDefinitions;\n"},{"path":"beamline/components/button/motion-features.ts","type":"registry:file","target":"src/ui/beamline/components/button/motion-features.ts","content":"// REASON: Motion's DOM animation features (tween, spring, presence, press) are loaded after the first paint, so a\n// Button costs a small part of Motion on first load; LazyMotion in button.tsx renders until they arrive.\nimport { domAnimation } from \"motion/react\";\n\nexport default domAnimation;\n"},{"path":"beamline/components/dropdown-menu/defaults.ts","type":"registry:file","target":"src/ui/beamline/components/dropdown-menu/defaults.ts","content":"/** Pure allowed presentation defaults for DropdownMenu; no component or runtime imports. */\nexport interface DropdownMenuDefaults {\n  /** Shared variant setting; omit to inherit the surrounding scope or the component default. */\n  variant?: \"primary\" | \"secondary\" | \"outline\" | \"ghost\" | \"danger\" | \"accent\";\n  /** Shared size setting; omit to inherit the surrounding scope or the component default. */\n  size?: \"sm\" | \"md\" | \"lg\" | \"touch\";\n  /** Shared align setting; omit to inherit the surrounding scope or the component default. */\n  align?: \"start\" | \"center\" | \"end\";\n}\n"},{"path":"beamline/components/dropdown-menu/dropdown-menu.tsx","type":"registry:file","target":"src/ui/beamline/components/dropdown-menu/dropdown-menu.tsx","content":"\"use client\";\n\nimport { useComponentDefaults } from \"../../runtime/appearance\";\nimport type { DropdownMenuDefaults } from \"./defaults\";\nexport type { DropdownMenuDefaults } from \"./defaults\";\n\nimport type { CSSProperties, Ref, ReactElement, ReactNode } from \"react\";\nimport * as RadixMenu from \"@radix-ui/react-dropdown-menu\";\nimport { Button, type ButtonSize, type ButtonVariant } from \"../button/button\";\nimport {\n  MenuItems,\n  MenuSurface,\n  useMenuDirection,\n  type MenuItem,\n  type MenuClassNames,\n} from \"../_shared/menu\";\nimport { cn } from \"../../lib/utils\";\nimport { usePortalContainer } from \"../../runtime/appearance\";\n\nexport type { MenuItem, MenuClassNames };\n\nexport interface DropdownMenuProps {\n  /** The menu's name: the trigger's text, or its accessible name when the trigger is an icon. */\n  label: string;\n  /** Items rendered in the component. Required. */\n  items: MenuItem[];\n  /** An icon for the built-in trigger (MoreHorizontal for row actions); with it the trigger shows only the icon, and\n   *  label becomes its accessible name, unless showLabel is set. */\n  icon?: ReactNode;\n  /** Shows the label beside the icon. Defaults to false. */\n  showLabel?: boolean;\n  /** Your own trigger (a Button, an avatar); it receives the open state and keyboard handling. */\n  trigger?: ReactElement;\n  /** Visual weight of the control. Defaults to \"ghost\". */\n  variant?: ButtonVariant;\n  /** Control size within the supported size steps. Defaults to \"sm\". */\n  size?: ButtonSize;\n  /** Alignment within the available space. Defaults to \"end\". */\n  align?: \"start\" | \"center\" | \"end\";\n  /** Edge from which the panel or anchored content opens. Defaults to \"bottom\". */\n  side?: \"top\" | \"right\" | \"bottom\" | \"left\";\n  /** Controlled open state; omit to use defaultOpen. */\n  open?: boolean;\n  /** Initial open state when uncontrolled. Defaults to false. */\n  defaultOpen?: boolean;\n  /** Reports open state after a change; no callback by default. */\n  onOpenChange?: (open: boolean) => void;\n  /** Classes on the documented visual root; no override by default. */\n  className?: string;\n  /** Classes for the named visual parts; no part overrides by default. */\n  classNames?: MenuClassNames;\n  /** Inline styles on the documented visual root; no inline overrides by default. */\n  style?: CSSProperties;\n  /** Receives the documented root element; no ref by default. */\n  ref?: Ref<HTMLDivElement>;\n  /** Reading direction; inherits the surrounding direction when omitted. Defaults to the surrounding reading direction. */\n  dir?: \"ltr\" | \"rtl\";\n}\n\n/**\n * A list of actions behind a trigger: row actions, \"More\", an account menu. One highlight plate glides between rows\n * under the pointer and jumps with the keyboard; type to jump to an item; → opens a submenu.\n */\nexport function DropdownMenu({\n  label,\n  items,\n  icon,\n  showLabel = false,\n  trigger,\n  variant: variantProp,\n  size: sizeProp,\n  align: alignProp,\n  side = \"bottom\",\n  open,\n  defaultOpen,\n  onOpenChange,\n  className,\n  classNames,\n  style,\n  ref,\n  dir: direction,\n}: DropdownMenuProps) {\n  const scopeDefaults = useComponentDefaults<DropdownMenuDefaults>(\"dropdown-menu\", [\"variant\", \"size\", \"align\"]);\n  const variant = variantProp ?? scopeDefaults.variant ?? \"ghost\";\n  const size = sizeProp ?? scopeDefaults.size ?? \"sm\";\n  const align = alignProp ?? scopeDefaults.align ?? \"end\";\n\n  const container = usePortalContainer();\n  const iconOnly = !!icon && !showLabel;\n  const { dir, triggerProps } = useMenuDirection(direction);\n  return (\n    <RadixMenu.Root dir={dir} open={open} defaultOpen={defaultOpen} onOpenChange={onOpenChange}>\n      <RadixMenu.Trigger asChild data-slot=\"dropdown-menu-trigger\" className={classNames?.trigger} {...triggerProps}>\n        {trigger ?? (\n          <Button\n            data-slot=\"dropdown-menu-trigger\"\n            variant={variant}\n            size={size}\n            aria-label={iconOnly ? label : undefined}\n          >\n            {icon}\n            {!iconOnly && label}\n          </Button>\n        )}\n      </RadixMenu.Trigger>\n      {container !== null && (\n        <RadixMenu.Portal container={container}>\n          <MenuSurface\n            kit={RadixMenu}\n            label={label}\n            align={align}\n            side={side}\n            sideOffset={6}\n            className={cn(classNames?.root, className)}\n            classNames={classNames}\n            style={style}\n            ref={ref}\n          >\n            <MenuItems kit={RadixMenu} items={items} container={container} classNames={classNames} />\n          </MenuSurface>\n        </RadixMenu.Portal>\n      )}\n    </RadixMenu.Root>\n  );\n}\n\nexport default DropdownMenu;\n"},{"path":"beamline/components/input/defaults.ts","type":"registry:file","target":"src/ui/beamline/components/input/defaults.ts","content":"export interface InputDefaults {\n  /** Shared size setting; omit to inherit the surrounding scope or the component default. */\n  size?: \"sm\" | \"md\" | \"lg\";\n}\n"},{"path":"beamline/components/input/input.tsx","type":"registry:file","target":"src/ui/beamline/components/input/input.tsx","content":"\"use client\";\n\nimport { useDeprecatedProp } from \"../../hooks/use-deprecated-prop\";\n\nimport { useId, useMemo, useRef, useState, type InputHTMLAttributes, type ReactNode, type Ref } from \"react\";\nimport * as RadixPopover from \"@radix-ui/react-popover\";\nimport { Listbox } from \"../_shared/listbox\";\nimport overlay from \"../_shared/overlay.module.css\";\nimport { useComposedRef } from \"../../hooks/use-composed-ref\";\nimport { usePortalContainer } from \"../../runtime/appearance\";\nimport {\n  Field,\n  FieldCount,\n  FieldFrame,\n  fieldControlClass,\n  useFieldIds,\n  type FieldSize,\n  type FieldClassNames,\n} from \"../_shared/field\";\n\nimport { cn } from \"../../lib/utils\";\nimport { useComponentDefaults } from \"../../runtime/appearance\";\nimport type { InputDefaults } from \"./defaults\";\nexport type { InputDefaults } from \"./defaults\";\n\nexport interface InputProps extends Omit<InputHTMLAttributes<HTMLInputElement>, \"size\"> {\n  /** Visible label and accessible name. */\n  label: ReactNode;\n  /** Reports the text after an edit; no callback by default, and native onChange still receives its event. */\n  onValueChange?: (value: string) => void;\n  /** Shows the label visually while keeping its accessible name; defaults to true. Takes precedence over hideLabel. */\n  showLabel?: boolean;\n  /** Hides the label; defaults to false. @deprecated Use showLabel={false} instead. */\n  hideLabel?: boolean;\n  /** One line of help under the field. */\n  description?: ReactNode;\n  /** The problem and its fix; marks the field invalid. */\n  error?: ReactNode;\n  /** The confirmation that the value works (\"@mira is available\"): replaces the description, and the ring at the end\n   *  closes into a check. */\n  success?: ReactNode;\n  /** A check or save of the value is running: a spinner at the end, the field stays editable (aria-busy). */\n  loading?: boolean;\n  /** With `maxLength`: the count in the label's row, quiet until the field has attention, in words near the limit. */\n  showCount?: boolean;\n  /** Height 32 / 36 / 40 px. */\n  size?: FieldSize;\n  /** Content before the text: an icon, a unit, a prefix like \"https://\". */\n  leading?: ReactNode;\n  /** Content after the text: a unit, a status, an icon button. */\n  trailing?: ReactNode;\n  /** Whole values to offer for what is typed, shown under the field: ↑ ↓ move, Enter (or Tab after moving) takes one,\n   *  Escape keeps what was typed. What the person typed is never replaced unless they take a suggestion. */\n  complete?: (text: string) => string[];\n  /** Email entry: offers the typed name with each of these domains (\"mira@\" → mira@gmail.com …), narrowed by what is\n   *  typed after the @. A shorthand for `complete`. */\n  emailDomains?: string[];\n  /** Lands on the outer field (label, frame, message). */\n  className?: string;\n  /** Classes for the named visual parts; no part overrides by default. */\n  classNames?: FieldClassNames & { input?: string };\n  /** Receives the native input; no ref by default. */\n  ref?: Ref<HTMLInputElement>;\n}\n\n/** A single-line text field with its label, help and error wired for assistive tech. */\nexport function Input({\n  label,\n  hideLabel: hideLabelProp,\n  showLabel,\n  description,\n  error,\n  success,\n  loading,\n  showCount,\n  size: sizeProp,\n  leading,\n  trailing,\n  id,\n  className,\n  classNames,\n  style,\n  required,\n  disabled,\n  readOnly,\n  maxLength,\n  value,\n  defaultValue,\n  onChange,\n  onValueChange,\n  complete,\n  emailDomains,\n  ref,\n  ...props\n}: InputProps) {\n  useDeprecatedProp(\"Input\", \"hideLabel\", \"showLabel={false}\", hideLabelProp !== undefined);\n  const hideLabel = showLabel === undefined ? hideLabelProp : !showLabel;\n  const defaults = useComponentDefaults<InputDefaults>(\"input\", [\"size\"]);\n  const size = sizeProp ?? defaults.size ?? \"md\";\n  const { controlId, descriptionId, errorId, aria } = useFieldIds(id, { description, error, success });\n  // the count follows the text, typed or set by the caller\n  const [typed, setTyped] = useState(String(defaultValue ?? \"\").length);\n  const length = value !== undefined ? String(value).length : typed;\n  const counted = !!showCount && maxLength != null;\n  const completes = !!complete || !!emailDomains?.length;\n  const [text, setText] = useState(String(defaultValue ?? \"\"));\n  const current = value !== undefined ? String(value) : text;\n  const [focused, setFocused] = useState(false);\n  const [dismissed, setDismissed] = useState<string | null>(null);\n  const [active, setActive] = useState(-1);\n  const viaKeys = useRef(false);\n  const input = useRef<HTMLInputElement>(null);\n  const attach = useComposedRef(input, ref);\n  const listId = useId();\n  const container = usePortalContainer();\n  const offers = useMemo(() => {\n    if (!completes || !current) return [];\n    const list = complete ? complete(current) : emailOffers(current, emailDomains ?? []);\n    // an offer the field already holds whole is no offer\n    return list.filter((s) => s !== current).slice(0, 8);\n  }, [completes, complete, emailDomains, current]);\n  const open = completes && focused && offers.length > 0 && dismissed !== current && !disabled && !readOnly;\n  const take = (s: string) => {\n    const el = input.current;\n    if (!el) return;\n    // through the native setter, so onChange and onValueChange hear it like typing, controlled or not\n    Object.getOwnPropertyDescriptor(HTMLInputElement.prototype, \"value\")?.set?.call(el, s);\n    el.dispatchEvent(new Event(\"input\", { bubbles: true }));\n    setDismissed(s);\n    setActive(-1);\n  };\n  const field = (\n    <input\n      ref={attach}\n      data-slot=\"input\"\n      {...aria}\n      aria-busy={loading || undefined}\n      required={required}\n      disabled={disabled}\n      readOnly={readOnly}\n      maxLength={maxLength}\n      value={value}\n      defaultValue={defaultValue}\n      onChange={(e) => {\n        if (counted) setTyped(e.target.value.length);\n        if (completes) {\n          setText(e.target.value);\n          setActive(-1);\n        }\n        onChange?.(e);\n        onValueChange?.(e.target.value);\n      }}\n      className={cn(fieldControlClass, classNames?.input)}\n      {...(completes\n        ? {\n            role: \"combobox\",\n            autoComplete: \"off\",\n            \"aria-autocomplete\": \"list\" as const,\n            \"aria-expanded\": open,\n            \"aria-controls\": open ? listId : undefined,\n            \"aria-activedescendant\": open && active >= 0 ? `${listId}-${active}` : undefined,\n          }\n        : {})}\n      {...props}\n      onFocus={(e) => {\n        if (completes) setFocused(true);\n        props.onFocus?.(e);\n      }}\n      onBlur={(e) => {\n        if (completes) {\n          setFocused(false);\n          setActive(-1);\n        }\n        props.onBlur?.(e);\n      }}\n      onKeyDown={(e) => {\n        if (open) {\n          if (e.key === \"ArrowDown\" || e.key === \"ArrowUp\") {\n            e.preventDefault();\n            viaKeys.current = true;\n            const n = offers.length;\n            setActive((a) => (e.key === \"ArrowDown\" ? (a + 1) % n : a <= 0 ? n - 1 : a - 1));\n          } else if ((e.key === \"Enter\" || e.key === \"Tab\") && active >= 0) {\n            if (e.key === \"Enter\") e.preventDefault();\n            take(offers[active]);\n          } else if (e.key === \"Escape\") {\n            e.preventDefault();\n            e.stopPropagation();\n            setDismissed(current);\n          }\n        }\n        props.onKeyDown?.(e);\n      }}\n    />\n  );\n  const frame = (\n    <FieldFrame\n      size={size}\n      classNames={classNames}\n      invalid={!!error}\n      disabled={disabled}\n      readOnly={readOnly}\n      status={loading ? \"busy\" : success && !error ? \"success\" : undefined}\n      leading={leading}\n      trailing={trailing}\n    >\n      {completes ? (\n        field\n      ) : (\n        <input\n          ref={ref}\n          data-slot=\"input\"\n          {...aria}\n          aria-busy={loading || undefined}\n          required={required}\n          disabled={disabled}\n          readOnly={readOnly}\n          maxLength={maxLength}\n          value={value}\n          defaultValue={defaultValue}\n          onChange={(e) => {\n            if (counted) setTyped(e.target.value.length);\n            onChange?.(e);\n            onValueChange?.(e.target.value);\n          }}\n          className={cn(fieldControlClass, classNames?.input)}\n          {...props}\n        />\n      )}\n    </FieldFrame>\n  );\n  return (\n    <Field\n      label={label}\n      hideLabel={hideLabel}\n      description={description}\n      error={error}\n      success={error ? undefined : success}\n      aside={showCount && maxLength != null ? <FieldCount length={length} max={maxLength} /> : undefined}\n      required={required}\n      requiredOnControl\n      controlId={controlId}\n      descriptionId={descriptionId}\n      errorId={errorId}\n      className={className}\n      classNames={classNames}\n      style={style}\n    >\n      {completes ? (\n        <RadixPopover.Root open={open}>\n          <RadixPopover.Anchor asChild>\n            <div>{frame}</div>\n          </RadixPopover.Anchor>\n          {container !== null && (\n            <RadixPopover.Portal container={container}>\n              <RadixPopover.Content\n                data-slot=\"input-suggestions\"\n                role=\"presentation\"\n                sideOffset={6}\n                align=\"start\"\n                collisionPadding={8}\n                onOpenAutoFocus={(e) => e.preventDefault()}\n                onCloseAutoFocus={(e) => e.preventDefault()}\n                className={cn(overlay.surface, \"w-[var(--radix-popper-anchor-width)] min-w-[min(240px,100vw)]\")}\n              >\n                <Listbox\n                  id={listId}\n                  label={typeof label === \"string\" ? label : String(props.name ?? \"\")}\n                  options={offers.map((o) => ({ value: o, label: o }))}\n                  query={current}\n                  active={active}\n                  onActive={setActive}\n                  viaKeys={viaKeys}\n                  isSelected={() => false}\n                  onPick={(o) => take(o.value)}\n                />\n              </RadixPopover.Content>\n            </RadixPopover.Portal>\n          )}\n        </RadixPopover.Root>\n      ) : (\n        frame\n      )}\n    </Field>\n  );\n}\n\n/** The typed name with each domain, narrowed by what follows the @; nothing before a name is typed. */\nexport function emailOffers(text: string, domains: string[]) {\n  const at = text.indexOf(\"@\");\n  const name = (at < 0 ? text : text.slice(0, at)).trim();\n  if (!name || /\\s/.test(name)) return [];\n  const typed = at < 0 ? \"\" : text.slice(at + 1).toLowerCase();\n  return domains.filter((d) => d.toLowerCase().startsWith(typed)).map((d) => `${name}@${d}`);\n}\n\nexport default Input;\n"},{"path":"beamline/components/label/label.tsx","type":"registry:file","target":"src/ui/beamline/components/label/label.tsx","content":"\"use client\";\n\nimport { useMessages } from \"../../runtime/localization\";\nimport { english as englishMessages } from \"./messages\";\nimport type { ComponentProps } from \"react\";\nimport * as RadixLabel from \"@radix-ui/react-label\";\nimport { cn } from \"../../lib/utils\";\n\nexport interface LabelProps extends ComponentProps<typeof RadixLabel.Root> {\n  /** Shows the marker and announces \"required\". */\n  required?: boolean;\n  /** The control says \"required\" itself (a native required input, a radiogroup with aria-required): the label shows\n   * the marker only, so the control's name stays the label's words and the state is announced once. */\n  requiredOnControl?: boolean;\n}\n\n/** The text label tied to a form control. It dims with a disabled control next to it (peer) or inside it (group). */\nexport function Label({ required = false, requiredOnControl = false, className, children, ...props }: LabelProps) {\n  const i18n = useMessages(\"label\", englishMessages);\n\n  return (\n    <RadixLabel.Root\n      data-slot=\"label\"\n      {...props}\n      className={cn(\n        \"inline-flex items-center gap-[var(--pui-space-1)] text-sm leading-tight font-medium text-ink select-none group-data-[disabled]:opacity-[var(--pui-opacity-disabled)] peer-disabled:opacity-[var(--pui-opacity-disabled)]\",\n        className,\n      )}\n    >\n      {children}\n      {required && (\n        <>\n          <span aria-hidden className=\"text-red\">\n            *\n          </span>\n          {!requiredOnControl && <span className=\"sr-only\">{i18n(\"required\")}</span>}\n        </>\n      )}\n    </RadixLabel.Root>\n  );\n}\n\nexport default Label;\n"},{"path":"beamline/components/label/messages.ts","type":"registry:file","target":"src/ui/beamline/components/label/messages.ts","content":"import type { MessageDefinitions } from \"../../runtime/messages\";\n/** Built-in English copy; stable keys are the public translation API. */\nexport const english = {\n  required: \"required\",\n} satisfies MessageDefinitions;\n"},{"path":"beamline/components/signature-pad/messages.ts","type":"registry:file","target":"src/ui/beamline/components/signature-pad/messages.ts","content":"import type { MessageDefinitions } from \"../../runtime/messages\";\n/** Built-in English defaults; instance labels take precedence. */\nexport const english = {\n  hint: \"Sign here\",\n  label: \"Signature\",\n  empty: \"{label}: empty\",\n  typed: \"{label}, typed\",\n  typeYourFullName: \"Type your full name\",\n  typeInstead: \"Type instead\",\n  drawInstead: \"Draw instead\",\n  ink: \"Ink\",\n  pen: \"Pen\",\n  pen2: \"{w} pen\",\n  undoLastStroke: \"Undo last stroke\",\n  replay: \"Replay\",\n  clear: \"Clear\",\n  download: \"Download\",\n  pNGImage: \"PNG image\",\n  sVGDrawing: \"SVG drawing\",\n  strokes: {\n    one: \"{count} stroke\",\n    other: \"{count} strokes\",\n  },\n  blackInk: \"Black ink\",\n  colouredInk: \"Coloured ink\",\n  typed2: \"typed, {typed}\",\n  finePen: \"fine pen\",\n  mediumPen: \"medium pen\",\n  boldPen: \"bold pen\",\n} satisfies MessageDefinitions;\n"},{"path":"beamline/components/signature-pad/signature-pad.module.css","type":"registry:file","target":"src/ui/beamline/components/signature-pad/signature-pad.module.css","content":"@layer properties, theme, base, components, utilities;\n@layer components {\n  /* The pad is paper: a nested light-theme root (class \"pui light\" on the sheet), so its fill, rule, labels and the\n   typed field are the look's own light paper and ink in either theme. Like a media frame it takes only the look's\n   edge. The ink colours are data: they are what the exported PNG/SVG contains. */\n  .sheet {\n    position: relative;\n    overflow: hidden;\n    border-radius: var(--pui-radius-card);\n    background: var(--pui-surface);\n    box-shadow: var(--m-surface-edge);\n  }\n  .canvas {\n    display: block;\n    width: 100%;\n    touch-action: none;\n  }\n  .canvas[data-mode=\"draw\"] {\n    cursor: crosshair;\n  }\n  .rule {\n    position: absolute;\n    inset-inline: var(--pui-space-6);\n    bottom: var(--pui-space-12);\n    border-bottom: 1px dashed var(--pui-line-strong);\n    pointer-events: none;\n  }\n  .caption {\n    position: absolute;\n    inset-inline: var(--pui-space-6);\n    bottom: var(--pui-space-4);\n    gap: var(--pui-space-3);\n    display: flex;\n    justify-content: space-between;\n    color: var(--pui-ink-3);\n    font-size: var(--pui-text-xs);\n    pointer-events: none;\n  }\n  .typed {\n    position: absolute;\n    inset-inline: var(--pui-space-6);\n    top: var(--pui-space-3);\n  }\n  /* the ink and pen tools exist only while drawing: they fade in when the pad returns to drawing */\n  .drawTools {\n    display: contents;\n  }\n  .drawTools > * {\n    animation: tools-in var(--pui-fade-in) var(--pui-ease-default) both;\n  }\n  @keyframes tools-in {\n    from {\n      opacity: 0;\n    }\n  }\n  /* the signer stays on one line (cut with an ellipsis if it must be); the hint never wraps */\n  .caption > span {\n    overflow: hidden;\n    text-overflow: ellipsis;\n    white-space: nowrap;\n  }\n  .caption > span:last-child {\n    flex-shrink: 0;\n  }\n  /* a narrow room: no dividers between the tool groups (fewer rows), and the hint gives the signer its line (the\n     dashed rule already says where to sign) */\n  @container (max-width: 24rem) {\n    .divider {\n      display: none;\n    }\n  }\n  @container (max-width: 20rem) {\n    .caption > span:last-child {\n      display: none;\n    }\n  }\n\n  .tools {\n    display: flex;\n    flex-wrap: wrap;\n    align-items: center;\n    gap: var(--pui-space-1);\n  }\n  .divider {\n    width: 1px;\n    height: 16px;\n    margin-inline: var(--pui-space-1);\n    background: var(--pui-line);\n  }\n  .ink {\n    width: 14px;\n    height: 14px;\n    border-radius: 50%;\n    box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--pui-ink) 20%, transparent);\n  }\n  .nib {\n    border-radius: 50%;\n    background: currentColor;\n  }\n  .end {\n    margin-inline-start: auto;\n  }\n}\n"},{"path":"beamline/components/signature-pad/signature-pad.tsx","type":"registry:file","target":"src/ui/beamline/components/signature-pad/signature-pad.tsx","content":"\"use client\";\n\nimport { type Translator } from \"../../runtime/messages\";\nimport { useMessages } from \"../../runtime/localization\";\nimport { english as englishMessages } from \"./messages\";\nimport { useDeprecatedProp } from \"../../hooks/use-deprecated-prop\";\n\nimport type { CSSProperties, Ref } from \"react\";\n\nimport { useCallback, useEffect, useLayoutEffect, useRef, useState } from \"react\";\nimport { Download, Eraser, Keyboard, PenLine, Play, Undo2 } from \"lucide-react\";\nimport { useMotionTokens } from \"../../hooks/use-motion-tokens\";\nimport { semanticMotion } from \"../../lib/motion-source\";\nimport { Button } from \"../button/button\";\nimport { DropdownMenu } from \"../dropdown-menu/dropdown-menu\";\nimport { Input } from \"../input/input\";\nimport { ToggleGroup, ToggleGroupItem } from \"../toggle-group/toggle-group\";\nimport { useComposedRef } from \"../../hooks/use-composed-ref\";\nimport { useDrag } from \"../../hooks/use-drag\";\nimport { useActive } from \"../../hooks/use-active\";\nimport { useResolvedAppearance } from \"../../hooks/use-resolved-appearance\";\nimport { useWidthAs } from \"../../hooks/use-content-width\";\nimport { cn } from \"../../lib/utils\";\nimport { useControllable } from \"../../hooks/use-controllable\";\nimport styles from \"./signature-pad.module.css\";\nimport { cssEase } from \"../../lib/motion-tokens\";\n\n/** \"ink\": the paper's near-black ink; \"blue\": the brand at a depth that stays dark on paper (blue with the default\n *  brand; a rebrand moves it). */\nexport type InkColor = \"ink\" | \"blue\";\nexport type InkWidth = \"fine\" | \"medium\" | \"bold\";\nexport interface InkPoint {\n  /** Horizontal sample position in pad pixels. Required. */\n  x: number;\n  /** Vertical sample position in pad pixels. Required. */\n  y: number;\n  /** Sample time in milliseconds on the performance clock. Required. */\n  t: number;\n  /** Ink width in pad pixels at this sample. Required. */\n  w: number;\n}\nexport interface InkStroke {\n  /** Ink colour used for this stroke. Required. */\n  color: InkColor;\n  /** Stroke samples in drawing order. Required. */\n  points: InkPoint[];\n}\n\n/** A drawn piece of a stroke: a line, or a curve bent by the sample between its ends; its width is that sample's. */\ntype InkPiece = {\n  from: { x: number; y: number };\n  bend?: { x: number; y: number };\n  to: { x: number; y: number };\n  w: number;\n};\nconst mid = (a: InkPoint, b: InkPoint) => ({ x: (a.x + b.x) / 2, y: (a.y + b.y) / 2 });\n/** The piece a new sample `i` completes while drawing: the first half-line, then a curve through sample i − 1 from the\n *  midpoint before it to the midpoint after it. */\nfunction livePiece(points: InkPoint[], i: number): InkPiece {\n  const [a, b] = [points[i - 1], points[i]];\n  if (i === 1) return { from: a, to: mid(a, b), w: (a.w + b.w) / 2 };\n  return { from: mid(points[i - 2], a), bend: a, to: mid(a, b), w: a.w };\n}\n/** A whole stroke as pieces: midpoint to midpoint, bent by each sample, with half-lines at its ends (a tap is a dot). */\nfunction piecesOf(points: InkPoint[]): InkPiece[] {\n  if (points.length < 2) return points.length ? [{ from: points[0], to: points[0], w: points[0].w }] : [];\n  const out: InkPiece[] = [];\n  for (let i = 1; i < points.length; i++) out.push(livePiece(points, i));\n  const [a, b] = [points.at(-2)!, points.at(-1)!];\n  out.push({ from: mid(a, b), to: b, w: b.w });\n  return out;\n}\n\nexport type SignaturePadClassNames = Partial<\n  Record<\n    \"root\" | \"sheet\" | \"canvas\" | \"rule\" | \"caption\" | \"typed\" | \"tools\" | \"divider\" | \"ink\" | \"nib\" | \"end\",\n    string\n  >\n>;\n\nexport interface SignaturePadProps {\n  /** Classes for the named visual parts; no part overrides by default. */\n  classNames?: SignaturePadClassNames;\n  /** Printed under the line: who is signing. */\n  signer?: string;\n  /** Shown in the empty pad. Default \"Sign here\". */\n  hint?: string;\n  /** Controlled drawn strokes; omitted by default to keep the drawing locally. */\n  value?: InkStroke[];\n  /** Initial drawn strokes when uncontrolled; defaults to an empty drawing. */\n  defaultValue?: InkStroke[];\n  /** Reports drawn, undone or cleared strokes; no callback by default and never fires for a prop update. */\n  onValueChange?: (strokes: InkStroke[]) => void;\n  /** Controlled pen ink; omitted by default to keep the ink choice locally. */\n  color?: InkColor;\n  /** Initial pen ink when uncontrolled; defaults to ink. */\n  defaultColor?: InkColor;\n  /** Reports a pen ink choice; no callback by default. */\n  onColorChange?: (color: InkColor) => void;\n  /** Controlled pen width; omitted by default to keep the width choice locally. */\n  width?: InkWidth;\n  /** Initial pen width when uncontrolled; defaults to medium. */\n  defaultWidth?: InkWidth;\n  /** Reports a pen width choice; no callback by default. */\n  onWidthChange?: (width: InkWidth) => void;\n  /** Controlled typed signature; omitted by default to keep typed text locally. */\n  typed?: string;\n  /** Initial typed signature when uncontrolled; defaults to an empty string. */\n  defaultTyped?: string;\n  /** Legacy stroke observer, including the initial strokes; omitted by default. Prefer onValueChange for edits.\n   *  @deprecated Use onValueChange; this observer also reports the initial strokes and remains supported. */\n  onChange?: (strokes: InkStroke[]) => void;\n  /** The typed name when someone types instead of drawing. */\n  onTypedChange?: (name: string) => void;\n  /** Download name, without extension. Default \"signature\". */\n  fileName?: string;\n  /** The pad's name. Default \"Signature\". */\n  label?: string;\n  /** Inline styles on the documented visual root; no inline overrides by default. */\n  style?: CSSProperties;\n  /** Receives the documented root element; no ref by default. */\n  ref?: Ref<HTMLDivElement>;\n  /** Classes on the documented visual root; no override by default. */\n  className?: string;\n}\n\n/** The two inks are tokens read on the paper (a light root in every theme): the paper's own ink, and the brand at a\n *  depth that stays dark on paper, so a rebrand moves the coloured ink. They are resolved to sRGB for the canvas, and\n *  the exported PNG and SVG carry exactly what was drawn. */\nconst INK_TOKENS: Record<InkColor, string> = { ink: \"ink\", blue: \"brand-l-38\" };\nconst INKS = Object.keys(INK_TOKENS) as InkColor[];\n/** A brand without colour (a monochrome look) would make the coloured ink a second black: then the paper's blue. */\nconst greyish = (rgba: string) => {\n  const n = (rgba.match(/[\\d.]+/g) ?? []).slice(0, 3).map(Number);\n  return n.length === 3 && Math.max(...n) - Math.min(...n) < 24;\n};\nfunction localizedINK_NAMES(i18n: Translator<typeof englishMessages>): Record<InkColor, string> {\n  return { ink: i18n(\"blackInk\"), blue: i18n(\"colouredInk\") };\n}\n/** rgba(r, g, b, a) → #rrggbb, for an SVG any viewer reads. */\nconst toHex = (rgba: string) => {\n  const n = rgba.match(/[\\d.]+/g);\n  return n && n.length >= 3\n    ? `#${n\n        .slice(0, 3)\n        .map((v) => Math.round(+v).toString(16).padStart(2, \"0\"))\n        .join(\"\")}`\n    : rgba;\n};\nconst BASE: Record<InkWidth, number> = { fine: 1.6, medium: 2.4, bold: 3.4 };\nconst HEIGHT = 180;\nconst SCRIPT = \"italic 40px 'Segoe Script', 'Snell Roundhand', 'Brush Script MT', cursive\";\n\n/**\n * A pad for a hand-drawn signature: the ink thins as the pen speeds up, undo takes back a stroke, replay draws it again,\n * and it exports PNG or SVG. Typing instead is always offered, for keyboards and screen readers.\n */\nexport function SignaturePad({\n  signer,\n  hint: hintProp,\n  value: valueProp,\n  defaultValue = [],\n  onValueChange,\n  color: colorProp,\n  defaultColor = \"ink\",\n  onColorChange,\n  width: widthProp,\n  defaultWidth = \"medium\",\n  onWidthChange,\n  typed: typedProp,\n  defaultTyped = \"\",\n  onChange,\n  onTypedChange,\n  fileName = \"signature\",\n  label: labelProp,\n  className,\n  classNames,\n  style,\n  ref,\n}: SignaturePadProps) {\n  const i18n = useMessages(\"signature-pad\", englishMessages);\n  const hint = hintProp === undefined ? i18n(\"hint\") : hintProp;\n  const label = labelProp === undefined ? i18n(\"label\") : labelProp;\n\n  useDeprecatedProp(\"SignaturePad\", \"onChange\", \"onValueChange\", onChange !== undefined);\n  const canvas = useRef<HTMLCanvasElement>(null);\n  const [strokes, setStrokes] = useControllable(valueProp, defaultValue, onValueChange);\n  const [color, setColor] = useControllable(colorProp, defaultColor, onColorChange);\n  const [width, setWidth] = useControllable(widthProp, defaultWidth, onWidthChange);\n  const [mode, setMode] = useState<\"draw\" | \"type\">(\"draw\");\n  const [typed, setTyped] = useControllable(typedProp, defaultTyped, onTypedChange);\n  const [replaying, setReplaying] = useState(false);\n  const drawing = useRef<InkStroke | null>(null);\n  const host = useRef<HTMLDivElement>(null);\n  const attach = useComposedRef(host, ref);\n  const active = useActive(host, { idle: false });\n  const timing = useMotionTokens(host);\n  const latestTiming = useRef(timing);\n  latestTiming.current = timing;\n  // a narrow room (a phone, a side panel) keeps the tools to one row: words fold into their icons (still named)\n  const roomy = useWidthAs(host, (w) => w >= 384, true);\n\n  // the inks, resolved on the paper itself\n  const resolved = useResolvedAppearance(canvas, { colors: [...Object.values(INK_TOKENS), \"blue\"] });\n  const inkColor = resolved.colors[INK_TOKENS.ink] ?? \"\";\n  const brandInk = resolved.colors[INK_TOKENS.blue] ?? \"\";\n  const brandColor = brandInk && greyish(brandInk) ? (resolved.colors.blue ?? brandInk) : brandInk;\n  const inks = useRef<Record<InkColor, string>>({ ink: inkColor, blue: brandColor });\n  inks.current = { ink: inkColor, blue: brandColor };\n\n  const ctx = () => canvas.current?.getContext(\"2d\") ?? null;\n  // one piece of a stroke: a curve from `from` to `to` bent by `bend` (the sample between them), so a stroke runs through\n  // the midpoints of its samples and turns smoothly at each sample instead of cornering there\n  const segment = (c: CanvasRenderingContext2D, piece: InkPiece, ink: InkColor) => {\n    const { from, bend, to, w } = piece;\n    c.strokeStyle = inks.current[ink];\n    c.lineCap = \"round\";\n    c.lineJoin = \"round\";\n    c.lineWidth = w;\n    c.beginPath();\n    // a tap is a dot: a line of no length draws nothing in a canvas, so it is filled as a round nib\n    if (Math.hypot(to.x - from.x, to.y - from.y) < 0.01) {\n      c.fillStyle = inks.current[ink];\n      c.arc(from.x, from.y, w / 2, 0, Math.PI * 2);\n      c.fill();\n      return;\n    }\n    c.moveTo(from.x, from.y);\n    if (bend) c.quadraticCurveTo(bend.x, bend.y, to.x, to.y);\n    else c.lineTo(to.x, to.y);\n    c.stroke();\n  };\n  const paint = useCallback(\n    (list: InkStroke[], text = \"\") => {\n      const el = canvas.current,\n        c = ctx();\n      if (!el || !c) return;\n      const dpr = window.devicePixelRatio || 1;\n      c.setTransform(dpr, 0, 0, dpr, 0, 0);\n      c.clearRect(0, 0, el.width, el.height);\n      if (text) {\n        c.fillStyle = color === \"ink\" ? inkColor : brandColor;\n        c.font = SCRIPT;\n        c.textBaseline = \"alphabetic\";\n        c.fillText(text, 24, HEIGHT - 52);\n        return;\n      }\n      for (const s of list) for (const piece of piecesOf(s.points)) segment(c, piece, s.color);\n    },\n    // a resolved ink that changes (a rebrand, a look) repaints what is on the paper in it\n    [color, inkColor, brandColor],\n  );\n  useLayoutEffect(() => {\n    const el = canvas.current;\n    if (!el) return;\n    const fit = () => {\n      const dpr = window.devicePixelRatio || 1;\n      el.width = el.clientWidth * dpr;\n      el.height = HEIGHT * dpr;\n      paint(strokes, mode === \"type\" ? typed : \"\");\n    };\n    fit();\n    const ro = new ResizeObserver(fit);\n    ro.observe(el);\n    return () => ro.disconnect();\n  }, [paint, strokes, mode, typed]);\n  useEffect(() => {\n    onChange?.(strokes);\n  }, [strokes]); // eslint-disable-line react-hooks/exhaustive-deps -- report changes\n\n  // a stylus says how hard it presses: the line follows the pressure, as ink does; a mouse or a finger has none to give\n  const pressed = (e: PointerEvent) =>\n    e.pointerType === \"pen\" && e.pressure > 0\n      ? BASE[width] * Math.min(1.5, Math.max(0.35, 0.35 + e.pressure * 1.3))\n      : null;\n  const keep = (s: InkStroke) => {\n    setStrokes([...strokes, s]);\n    if (valueProp !== undefined) paint(strokes);\n  };\n  // strokes on the shared drag: from the first pixel (threshold 1), every sample the browser packs into an event, a tap\n  // kept as a dot (the dot of an i, a full stop), and Escape or a lost pointer taking the stroke back\n  useDrag(\n    canvas,\n    {\n      onPress: (p, e) => {\n        if (mode !== \"draw\" || replaying) return false;\n        const r = canvas.current!.getBoundingClientRect();\n        drawing.current = {\n          color,\n          points: [{ x: p.x - r.left, y: p.y - r.top, t: performance.now(), w: pressed(e) ?? BASE[width] }],\n        };\n      },\n      onMove: (_, e) => {\n        const s = drawing.current,\n          c = ctx();\n        if (!s || !c) return;\n        const r = canvas.current!.getBoundingClientRect();\n        // every sample since the last frame (a fast pen moves more than once per frame); an event a script made has none\n        const samples = e.getCoalescedEvents?.();\n        for (const ev of samples?.length ? samples : [e]) {\n          const p = { x: ev.clientX - r.left, y: ev.clientY - r.top, t: performance.now() };\n          const last = s.points[s.points.length - 1];\n          const speed = Math.hypot(p.x - last.x, p.y - last.y) / Math.max(1, p.t - last.t);\n          // without pressure a faster stroke draws thinner; eased either way, so the width never jumps\n          const target = pressed(ev) ?? BASE[width] * Math.min(1.35, Math.max(0.4, 1.35 - speed * 0.55));\n          // samples closer than a pixel add no shape, only jitter in the width\n          if (Math.hypot(p.x - last.x, p.y - last.y) < 1) continue;\n          const point = { ...p, w: last.w + (target - last.w) * 0.35 };\n          s.points.push(point);\n          // the piece this sample completes: up to the midpoint before it (the last half-piece waits for the release)\n          const n = s.points.length;\n          segment(c, livePiece(s.points, n - 1), s.color);\n        }\n      },\n      onEnd: () => {\n        const s = drawing.current,\n          c = ctx();\n        drawing.current = null;\n        if (!s || s.points.length < 2) return;\n        // the stroke's last half-piece, from the last midpoint to where the hand lifted\n        if (c) segment(c, piecesOf(s.points).at(-1)!, s.color);\n        keep(s);\n      },\n      onTap: () => {\n        const s = drawing.current,\n          c = ctx();\n        drawing.current = null;\n        if (!s || !c) return;\n        const dot = { ...s.points[0] };\n        segment(c, { from: s.points[0], to: dot, w: dot.w }, s.color);\n        keep({ ...s, points: [s.points[0], dot] });\n      },\n      onCancel: () => {\n        drawing.current = null;\n        paint(strokes);\n      },\n      onAbandon: () => {\n        drawing.current = null;\n      },\n    },\n    { threshold: 1 },\n  );\n\n  useEffect(() => {\n    if (!replaying) return;\n    if (!active || timing.reduced || mode !== \"draw\" || !strokes.length) {\n      paint(strokes, mode === \"type\" ? typed : \"\");\n      setReplaying(false);\n      return;\n    }\n    const c = ctx();\n    if (!c) {\n      setReplaying(false);\n      return;\n    }\n    paint([]);\n    const segments = strokes.flatMap((s) => piecesOf(s.points).map((piece) => ({ piece, color: s.color })));\n    let frame = 0,\n      cursor = 0,\n      progress = 0,\n      last = performance.now();\n    const draw = (now: number) => {\n      const factor = latestTiming.current.duration.standard / semanticMotion.duration.standard;\n      // a frame's timestamp can precede the clock read above: never a negative step\n      progress += ((Math.max(0, now - last) / (1000 / 60)) * 3) / Math.max(0.01, factor);\n      last = now;\n      const until = Math.min(segments.length, Math.floor(progress));\n      while (cursor < until) {\n        const s = segments[cursor++];\n        segment(c, s.piece, s.color);\n      }\n      if (cursor < segments.length) frame = requestAnimationFrame(draw);\n      else {\n        paint(strokes);\n        setReplaying(false);\n      }\n    };\n    frame = requestAnimationFrame(draw);\n    return () => cancelAnimationFrame(frame);\n  }, [replaying, active, timing.reduced, mode, typed, strokes, paint]);\n  const replay = () => {\n    if (strokes.length) setReplaying(true);\n  };\n  const download = (kind: \"png\" | \"svg\") => {\n    const el = canvas.current;\n    if (!el) return;\n    let href: string;\n    if (kind === \"png\") href = el.toDataURL(\"image/png\");\n    else {\n      const w = el.clientWidth;\n      const body =\n        mode === \"type\"\n          ? `<text x=\"24\" y=\"${HEIGHT - 52}\" fill=\"${toHex(inks.current[color])}\" style=\"font:${SCRIPT}\">${typed.replace(/[<&>]/g, (c) => ({ \"<\": \"&lt;\", \"&\": \"&amp;\", \">\": \"&gt;\" })[c]!)}</text>`\n          : strokes\n              .flatMap((s) =>\n                piecesOf(s.points).map(({ from, bend, to, w }) => {\n                  const f = (q: { x: number; y: number }) => `${q.x.toFixed(1)} ${q.y.toFixed(1)}`;\n                  return `<path d=\"M${f(from)} ${bend ? `Q${f(bend)} ` : \"L\"}${f(to)}\" fill=\"none\" stroke=\"${toHex(inks.current[s.color])}\" stroke-width=\"${w.toFixed(2)}\" stroke-linecap=\"round\"/>`;\n                }),\n              )\n              .join(\"\");\n      href = URL.createObjectURL(\n        new Blob(\n          [\n            `<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"${w}\" height=\"${HEIGHT}\" viewBox=\"0 0 ${w} ${HEIGHT}\">${body}</svg>`,\n          ],\n          { type: \"image/svg+xml\" },\n        ),\n      );\n    }\n    const a = document.createElement(\"a\");\n    a.href = href;\n    a.download = `${fileName}.${kind}`;\n    a.click();\n    if (kind === \"svg\") setTimeout(() => URL.revokeObjectURL(href), 1000);\n  };\n  const empty = mode === \"draw\" ? strokes.length === 0 : !typed.trim();\n  // Clear lifts the ink off the paper (it fades over the fade-out token) instead of blinking out; the state changes at\n  // once, only the picture settles\n  const clear = () => {\n    const el = canvas.current;\n    const done = () => {\n      setStrokes([]);\n      setTyped(\"\");\n    };\n    if (!el || timing.mode === \"none\" || timing.fade.out * 1000 < 2) return done();\n    const ghost = el.cloneNode() as HTMLCanvasElement;\n    ghost.getContext(\"2d\")?.drawImage(el, 0, 0);\n    Object.assign(ghost.style, { position: \"absolute\", inset: \"0\", pointerEvents: \"none\" });\n    ghost.setAttribute(\"aria-hidden\", \"true\");\n    el.parentElement?.appendChild(ghost);\n    done();\n    const ease = timing.ease.default;\n    const fade = ghost.animate([{ opacity: 1 }, { opacity: 0 }], {\n      duration: timing.fade.out * 1000,\n      easing: cssEase(ease, \"linear\"),\n    });\n    void fade.finished.then(\n      () => ghost.remove(),\n      () => ghost.remove(),\n    );\n  };\n\n  return (\n    <div\n      ref={attach}\n      style={style}\n      data-slot=\"signature-pad\"\n      className={cn(\"@container grid gap-2\", classNames?.root, className)}\n    >\n      <div data-slot=\"signature-pad-sheet\" className={cn(\"pui light\", styles.sheet, classNames?.sheet)}>\n        <canvas\n          data-slot=\"signature-pad-canvas\"\n          ref={canvas}\n          role=\"img\"\n          aria-label={\n            empty\n              ? i18n(\"empty\", { label: label })\n              : `${label}: ${mode === \"type\" ? i18n(\"typed2\", { typed: typed }) : i18n(\"strokes\", { count: strokes.length })}`\n          }\n          data-mode={mode}\n          className={cn(styles.canvas, classNames?.canvas)}\n          style={{ height: HEIGHT }}\n        />\n        <div data-slot=\"signature-pad-rule\" aria-hidden className={cn(styles.rule, classNames?.rule)} />\n        <div data-slot=\"signature-pad-caption\" aria-hidden className={cn(styles.caption, classNames?.caption)}>\n          <span title={signer}>× {signer ?? \"\"}</span>\n          <span>{empty ? hint : \"\"}</span>\n        </div>\n        {mode === \"type\" && (\n          <Input\n            label={i18n(\"typed\", { label: label })}\n            showLabel={false}\n            size=\"sm\"\n            value={typed}\n            autoFocus\n            placeholder={i18n(\"typeYourFullName\")}\n            onChange={(e) => {\n              setTyped(e.target.value);\n            }}\n            className={cn(styles.typed, classNames?.typed)}\n          />\n        )}\n      </div>\n      <div data-slot=\"signature-pad-tools\" className={cn(styles.tools, classNames?.tools)}>\n        {/* in a narrow room the words fold into the icon, and become its name */}\n        <Button\n          variant=\"ghost\"\n          size=\"sm\"\n          aria-label={roomy ? undefined : mode === \"draw\" ? i18n(\"typeInstead\") : i18n(\"drawInstead\")}\n          onClick={() => setMode((m) => (m === \"draw\" ? \"type\" : \"draw\"))}\n        >\n          {mode === \"draw\" ? <Keyboard /> : <PenLine />}\n          {roomy && (mode === \"draw\" ? i18n(\"typeInstead\") : i18n(\"drawInstead\"))}\n        </Button>\n        {mode === \"draw\" && (\n          <span data-slot=\"signature-pad-draw-tools\" className={styles.drawTools}>\n            <span data-slot=\"signature-pad-divider\" className={cn(styles.divider, classNames?.divider)} aria-hidden />\n            <ToggleGroup\n              type=\"single\"\n              size=\"sm\"\n              aria-label={i18n(\"ink\")}\n              value={color}\n              onValueChange={(v) => v && setColor(v as InkColor)}\n            >\n              {INKS.map((c) => (\n                <ToggleGroupItem key={c} value={c} aria-label={localizedINK_NAMES(i18n)[c]}>\n                  <span\n                    data-slot=\"signature-pad-ink\"\n                    className={cn(styles.ink, classNames?.ink)}\n                    style={{ background: c === \"ink\" ? inkColor : brandColor }}\n                  />\n                </ToggleGroupItem>\n              ))}\n            </ToggleGroup>\n            <ToggleGroup\n              type=\"single\"\n              size=\"sm\"\n              aria-label={i18n(\"pen\")}\n              value={width}\n              onValueChange={(v) => v && setWidth(v as InkWidth)}\n            >\n              {(Object.keys(BASE) as InkWidth[]).map((w) => (\n                <ToggleGroupItem\n                  key={w}\n                  value={w}\n                  aria-label={i18n(({ fine: \"finePen\", medium: \"mediumPen\", bold: \"boldPen\" } as const)[w])}\n                >\n                  <span\n                    data-slot=\"signature-pad-nib\"\n                    className={cn(styles.nib, classNames?.nib)}\n                    style={{ width: BASE[w] * 2, height: BASE[w] * 2 }}\n                  />\n                </ToggleGroupItem>\n              ))}\n            </ToggleGroup>\n            <span data-slot=\"signature-pad-divider\" className={cn(styles.divider, classNames?.divider)} aria-hidden />\n            <Button\n              variant=\"ghost\"\n              size=\"sm\"\n              aria-label={i18n(\"undoLastStroke\")}\n              disabled={!strokes.length || replaying}\n              onClick={() => setStrokes(strokes.slice(0, -1))}\n            >\n              <Undo2 />\n            </Button>\n            <Button\n              variant=\"ghost\"\n              size=\"sm\"\n              aria-label={i18n(\"replay\")}\n              disabled={!strokes.length || replaying}\n              onClick={replay}\n            >\n              <Play />\n            </Button>\n          </span>\n        )}\n        <Button variant=\"ghost\" size=\"sm\" aria-label={i18n(\"clear\")} disabled={empty} onClick={clear}>\n          <Eraser />\n        </Button>\n        <span data-slot=\"signature-pad-end\" className={cn(styles.end, classNames?.end)}>\n          <DropdownMenu\n            label={i18n(\"download\")}\n            icon={<Download />}\n            showLabel={roomy}\n            variant=\"secondary\"\n            items={[\n              { label: i18n(\"pNGImage\"), onSelect: () => download(\"png\"), disabled: empty },\n              { label: i18n(\"sVGDrawing\"), onSelect: () => download(\"svg\"), disabled: empty },\n            ]}\n          />\n        </span>\n      </div>\n    </div>\n  );\n}\n\nexport default SignaturePad;\n"},{"path":"beamline/components/spinner/defaults.ts","type":"registry:file","target":"src/ui/beamline/components/spinner/defaults.ts","content":"/** Pure allowed presentation defaults for Spinner; no component or runtime imports. */\nexport interface SpinnerDefaults {\n  /** Shared size setting; omit to inherit the surrounding scope or the component default. */\n  size?: \"sm\" | \"md\" | \"lg\";\n}\n"},{"path":"beamline/components/spinner/messages.ts","type":"registry:file","target":"src/ui/beamline/components/spinner/messages.ts","content":"import type { MessageDefinitions } from \"../../runtime/messages\";\n/** Built-in English copy; stable keys are the public translation API. */\nexport const english = {\n  label: \"Loading\",\n  done: \"Done\",\n  error: \"Failed\",\n} satisfies MessageDefinitions;\n"},{"path":"beamline/components/spinner/spinner.module.css","type":"registry:file","target":"src/ui/beamline/components/spinner/spinner.module.css","content":"@layer properties, theme, base, components, utilities;\n@layer components {\n  /* With a delay the ring waits unseen and then fades in, so quick work never flashes it; the result (a check or a\n     cross) always shows at once. */\n  .root[data-delay] {\n    animation: appear var(--pui-fade-in) var(--pui-ease-default) var(--_delay) both;\n  }\n  @keyframes appear {\n    from {\n      opacity: 0;\n    }\n  }\n  /* The turn runs on the compositor (a CSS animation on the svg box) and costs no JS per frame. When the work ends the\n     arc closes into a full ring over the standard duration, so stopping the turn is invisible, and the check or cross\n     draws itself a beat later. All timing comes from the motion tokens; the loop period follows --pui-motion-scale. */\n  .svg[data-state=\"loading\"] {\n    animation: turn calc(0.8s * var(--pui-motion-scale, 1) * var(--pui-motion-look, 1)) linear infinite;\n  }\n  .track {\n    stroke-opacity: 0.18;\n  }\n  .arc {\n    stroke-dasharray: 0.3 1;\n    transition: stroke-dasharray var(--pui-duration-standard) var(--pui-ease-enter);\n  }\n  .svg:not([data-state=\"loading\"]) .arc {\n    stroke-dasharray: 1 1;\n  }\n  .mark {\n    stroke-dasharray: 1 1;\n    animation: draw var(--pui-duration-standard) var(--pui-ease-enter) var(--pui-duration-fast) both;\n  }\n  @keyframes turn {\n    to {\n      transform: rotate(1turn);\n    }\n  }\n  @keyframes draw {\n    from {\n      stroke-dashoffset: 1;\n    }\n    to {\n      stroke-dashoffset: 0;\n    }\n  }\n  .svg[data-paused] {\n    animation-play-state: paused;\n  }\n  .svg[data-reduced],\n  .svg[data-reduced] .mark {\n    animation: none;\n  }\n  /* Reduction retains the loading/result shape without a decorative loop. */\n  @media (prefers-reduced-motion: reduce) {\n    .svg[data-state=\"loading\"],\n    .mark {\n      animation: none;\n    }\n  }\n}\n"},{"path":"beamline/components/spinner/spinner.tsx","type":"registry:file","target":"src/ui/beamline/components/spinner/spinner.tsx","content":"\"use client\";\n\nimport { useMessages } from \"../../runtime/localization\";\nimport { english as englishMessages } from \"./messages\";\nimport { useComponentDefaults } from \"../../runtime/appearance\";\nimport type { SpinnerDefaults } from \"./defaults\";\nexport type { SpinnerDefaults } from \"./defaults\";\n\nimport { useRef, type CSSProperties, type Ref } from \"react\";\nimport { useComposedRef } from \"../../hooks/use-composed-ref\";\nimport { useActive } from \"../../hooks/use-active\";\nimport { useMotionTokens } from \"../../hooks/use-motion-tokens\";\nimport { useReducedMotionSafe } from \"../../hooks/use-reduced-motion-safe\";\nimport { cn } from \"../../lib/utils\";\nimport styles from \"./spinner.module.css\";\n\nexport interface SpinnerClassNames {\n  /** Classes for the root part; no override by default. */\n  root?: string;\n  /** Classes for the svg part; no override by default. */\n  svg?: string;\n  /** Classes for the track part; no override by default. */\n  track?: string;\n  /** Classes for the arc part; no override by default. */\n  arc?: string;\n  /** Classes for the mark part; no override by default. */\n  mark?: string;\n}\n\nexport interface SpinnerProps {\n  /** `success` draws a check out of the ring, `error` a cross; both stop spinning. */\n  state?: \"loading\" | \"success\" | \"error\";\n  /** Control size within the supported size steps. Defaults to \"md\". */\n  size?: \"sm\" | \"md\" | \"lg\";\n  /** Accessible name while loading. */\n  label?: string;\n  /** ms to wait before it shows: work that ends sooner never flashes a spinner (about 300 is a good start). Default 0. */\n  delay?: number;\n  /** Classes on the documented visual root; no override by default. */\n  className?: string;\n  /** Receives the documented root element; no ref by default. */\n  ref?: Ref<HTMLSpanElement>;\n  /** Inline styles on the documented visual root; no inline overrides by default. */\n  style?: CSSProperties;\n  /** Classes for the named visual parts; no part overrides by default. */\n  classNames?: SpinnerClassNames;\n}\n\n/** Icon box from the foundation icon steps (§14.2): sm 14, md 16, lg 20. */\nconst PX = { sm: \"var(--pui-icon-sm)\", md: \"var(--pui-icon-md)\", lg: \"var(--pui-icon-lg)\" } as const;\n\n/**\n * A ring that spins while work runs and closes into a drawn check (or cross) when it ends — the result is a shape as\n * well as a colour. With reduced motion the loading ring holds still.\n */\nexport function Spinner({\n  state = \"loading\",\n  size: sizeProp,\n  label: labelProp,\n  delay = 0,\n  className,\n  classNames,\n  style,\n  ref,\n}: SpinnerProps) {\n  const i18n = useMessages(\"spinner\", englishMessages);\n  const label = labelProp === undefined ? i18n(\"label\") : labelProp;\n\n  const scopeDefaults = useComponentDefaults<SpinnerDefaults>(\"spinner\", [\"size\"]);\n  const size = sizeProp ?? scopeDefaults.size ?? \"md\";\n  const host = useRef<HTMLSpanElement>(null);\n  const attach = useComposedRef(host, ref);\n  const active = useActive(host);\n  const tokens = useMotionTokens(host);\n  const managedReduced = useReducedMotionSafe();\n  const reduced = tokens.reduced || managedReduced;\n\n  const box = PX[size];\n  const done = state !== \"loading\";\n  const tone = state === \"success\" ? \"text-green\" : state === \"error\" ? \"text-red\" : \"text-ink-2\";\n  return (\n    <span\n      ref={attach}\n      data-slot=\"spinner\"\n      data-state={state}\n      data-delay={delay > 0 && state === \"loading\" ? \"\" : undefined}\n      role={done ? \"img\" : \"status\"}\n      aria-label={state === \"success\" ? i18n(\"done\") : state === \"error\" ? i18n(\"error\") : label}\n      className={cn(styles.root, \"relative inline-grid shrink-0 place-items-center\", tone, classNames?.root, className)}\n      style={{ width: box, height: box, \"--_delay\": `${delay}ms`, ...style } as CSSProperties}\n    >\n      <svg\n        viewBox=\"0 0 24 24\"\n        width=\"100%\"\n        height=\"100%\"\n        fill=\"none\"\n        aria-hidden=\"true\"\n        data-state={state}\n        data-slot=\"spinner-svg\"\n        data-reduced={reduced ? \"\" : undefined}\n        data-paused={active ? undefined : \"\"}\n        className={cn(styles.svg, classNames?.svg)}\n      >\n        <circle\n          data-slot=\"spinner-track\"\n          className={cn(styles.track, classNames?.track)}\n          cx=\"12\"\n          cy=\"12\"\n          r=\"9.5\"\n          stroke=\"currentColor\"\n          strokeWidth=\"2.5\"\n        />\n        <circle\n          data-slot=\"spinner-arc\"\n          className={cn(styles.arc, classNames?.arc)}\n          cx=\"12\"\n          cy=\"12\"\n          r=\"9.5\"\n          pathLength={1}\n          stroke=\"currentColor\"\n          strokeWidth=\"2.5\"\n          strokeLinecap=\"round\"\n          transform=\"rotate(-90 12 12)\"\n        />\n        {state === \"success\" && (\n          <path\n            data-slot=\"spinner-mark\"\n            className={cn(styles.mark, classNames?.mark)}\n            d=\"M7.5 12.5l3 3 6-6.5\"\n            pathLength={1}\n            stroke=\"currentColor\"\n            strokeWidth=\"2.5\"\n            strokeLinecap=\"round\"\n            strokeLinejoin=\"round\"\n          />\n        )}\n        {state === \"error\" && (\n          <path\n            data-slot=\"spinner-mark\"\n            className={cn(styles.mark, classNames?.mark)}\n            d=\"M8.5 8.5l7 7M15.5 8.5l-7 7\"\n            pathLength={1}\n            stroke=\"currentColor\"\n            strokeWidth=\"2.5\"\n            strokeLinecap=\"round\"\n          />\n        )}\n      </svg>\n    </span>\n  );\n}\n\nexport default Spinner;\n"},{"path":"beamline/components/toggle-group/defaults.ts","type":"registry:file","target":"src/ui/beamline/components/toggle-group/defaults.ts","content":"/** Pure allowed presentation defaults for ToggleGroup; no component or runtime imports. */\nexport interface ToggleGroupDefaults {\n  /** Shared variant setting; omit to inherit the surrounding scope or the component default. */\n  variant?: \"outline\" | \"ghost\" | \"default\";\n  /** Shared size setting; omit to inherit the surrounding scope or the component default. */\n  size?: \"sm\" | \"md\" | \"lg\" | \"default\";\n}\n"},{"path":"beamline/components/toggle-group/toggle-group.module.css","type":"registry:file","target":"src/ui/beamline/components/toggle-group/toggle-group.module.css","content":"@layer properties, theme, base, components, utilities;\n@layer components {\n  /* Toggle group: bare toggles (ghost) or a framed row (outline). A toggle that is on sits pressed in: it takes the\n     paint of the look's inset well, so on reads as \"held down\" in every look. Sizes are set on the group. */\n  .root {\n    --pui-toggle-h: 32px;\n    --pui-toggle-pad: 8px;\n    position: relative;\n    isolation: isolate;\n    display: inline-flex;\n    max-width: 100%;\n    flex-wrap: wrap; /* in a room narrower than the row, toggles wrap rather than spill */\n    align-items: center;\n    gap: var(--pui-space-0-5);\n  }\n  .outline {\n    /* the well's inset is size, not spacing: a control keeps its height when the Spacing parameter changes (O1 §14.2) */\n    padding: var(--pui-size-0-5, 0.125rem);\n    border-radius: var(--pui-radius-control);\n    box-shadow: inset 0 0 0 1px var(--pui-line-strong);\n  }\n  .sm {\n    --pui-toggle-h: 28px;\n    --pui-toggle-pad: 6px;\n  }\n  .lg {\n    --pui-toggle-h: 40px;\n    --pui-toggle-pad: 10px;\n  }\n  .item {\n    display: inline-flex;\n    height: var(--pui-toggle-h);\n    min-width: var(--pui-toggle-h);\n    align-items: center;\n    justify-content: center;\n    gap: var(--pui-space-1-5);\n    padding-inline: var(--pui-toggle-pad);\n    border-radius: calc(var(--pui-radius-control) - 2px);\n    color: var(--pui-ink-3);\n    font-size: var(--pui-text-sm);\n    font-weight: var(--pui-weight-medium);\n    transition:\n      background-color var(--pui-motion-out) var(--pui-ease-default),\n      box-shadow var(--pui-motion-out) var(--pui-ease-default),\n      color var(--pui-motion-out) var(--pui-ease-default);\n  }\n  .item:hover {\n    background: var(--pui-hover);\n    color: var(--pui-ink);\n    transition-duration: 0ms;\n  }\n  .item:active:not(:disabled) {\n    scale: var(--pui-press-scale);\n  }\n  /* \"On\" is read from the ARIA state (aria-pressed for several, aria-checked for one): a tooltip around a toggle\n     names its own open state in data-state, so that attribute is not the toggle's. The pressed well is a layer under\n     the toggle, so neighbours that are both on can merge into one run: the facing corners square off and each well\n     reaches into the gap, its own edge clipped at the seam, so a run of Bold Italic Underline reads as one held-down\n     strip; turning one off splits it again (research/morphing-interfaces-2026-10-04, merge). Corners and reach move\n     on the morph spring; nothing overshoots. */\n  .item {\n    position: relative;\n    isolation: isolate;\n  }\n  .item::before {\n    content: \"\";\n    position: absolute;\n    inset: 0;\n    z-index: -1;\n    border-radius: inherit;\n    background: var(--m-inset-shade), var(--pui-inset);\n    /* the look's pressed rim over the well's own edge (first shadow on top), so the eye finds the pressed toggle in every look */\n    box-shadow: var(--m-pressed-rim, 0 0 transparent), var(--m-inset-edge);\n    opacity: 0;\n    transition:\n      opacity var(--pui-motion-out) var(--pui-ease-default),\n      inset var(--pui-duration-morph) var(--pui-ease-standard),\n      border-radius var(--pui-duration-morph) var(--pui-ease-standard),\n      clip-path var(--pui-duration-morph) var(--pui-ease-standard);\n    clip-path: inset(0);\n  }\n  .item:is([aria-pressed=\"true\"], [aria-checked=\"true\"]) {\n    color: var(--pui-ink);\n  }\n  .item:is([aria-pressed=\"true\"], [aria-checked=\"true\"])::before {\n    opacity: 1;\n    transition-duration: 0ms, var(--pui-duration-morph), var(--pui-duration-morph), var(--pui-duration-morph);\n  }\n  /* joined to the next toggle */\n  .item:is([aria-pressed=\"true\"], [aria-checked=\"true\"]):has(\n      + .item:is([aria-pressed=\"true\"], [aria-checked=\"true\"])\n    )::before {\n    inset-inline-end: calc(-1 * var(--pui-space-0-5));\n    border-start-end-radius: 0;\n    border-end-end-radius: 0;\n    clip-path: inset(0 1px 0 0);\n  }\n  .item:is([aria-pressed=\"true\"], [aria-checked=\"true\"]):has(\n      + .item:is([aria-pressed=\"true\"], [aria-checked=\"true\"])\n    ):dir(rtl)::before {\n    clip-path: inset(0 0 0 1px);\n  }\n  /* joined to the previous toggle */\n  .item:is([aria-pressed=\"true\"], [aria-checked=\"true\"])\n    + .item:is([aria-pressed=\"true\"], [aria-checked=\"true\"])::before {\n    inset-inline-start: calc(-1 * var(--pui-space-0-5));\n    border-start-start-radius: 0;\n    border-end-start-radius: 0;\n    clip-path: inset(0 0 0 1px);\n  }\n  .item:is([aria-pressed=\"true\"], [aria-checked=\"true\"])\n    + .item:is([aria-pressed=\"true\"], [aria-checked=\"true\"]):dir(rtl)::before {\n    clip-path: inset(0 1px 0 0);\n  }\n  /* joined on both sides */\n  .item:is([aria-pressed=\"true\"], [aria-checked=\"true\"])\n    + .item:is([aria-pressed=\"true\"], [aria-checked=\"true\"]):has(\n      + .item:is([aria-pressed=\"true\"], [aria-checked=\"true\"])\n    )::before {\n    clip-path: inset(0 1px);\n  }\n  .item:disabled {\n    opacity: var(--pui-opacity-disabled);\n    pointer-events: none;\n  }\n\n  /* one choice: a single pressed well under the toggles travels to the new choice as matter (ui/lib/contour.ts, placed\n     by the contour engine like the segmented thumb); the toggles' own wells stand aside */\n  .well {\n    position: absolute;\n    z-index: -1;\n    top: 0;\n    left: 0;\n    border-radius: calc(var(--pui-radius-control) - 2px);\n    background: var(--m-inset-shade), var(--pui-inset);\n    box-shadow: var(--m-pressed-rim, 0 0 transparent), var(--m-inset-edge);\n    pointer-events: none;\n  }\n  .root[data-type=\"single\"] .item::before {\n    display: none;\n  }\n  .root[data-type=\"single\"] .item {\n    isolation: auto;\n  }\n  .root[data-type=\"single\"] .item:hover:is([aria-pressed=\"true\"], [aria-checked=\"true\"]) {\n    background: transparent;\n  }\n  .item :where(svg) {\n    width: var(--pui-icon-md);\n    height: var(--pui-icon-md);\n  }\n}\n"},{"path":"beamline/components/toggle-group/toggle-group.tsx","type":"registry:file","target":"src/ui/beamline/components/toggle-group/toggle-group.tsx","content":"\"use client\";\n\nimport { useDeprecatedProp } from \"../../hooks/use-deprecated-prop\";\n\nimport { useComponentDefaults } from \"../../runtime/appearance\";\nimport type { ToggleGroupDefaults } from \"./defaults\";\nexport type { ToggleGroupDefaults } from \"./defaults\";\n\nimport type { ComponentProps, ReactNode } from \"react\";\nimport * as RadixToggleGroup from \"@radix-ui/react-toggle-group\";\nimport { Tooltip } from \"../tooltip/tooltip\";\nimport { useComposedRef } from \"../../hooks/use-composed-ref\";\nimport { useContour } from \"../../hooks/use-contour\";\nimport { useIndicator } from \"../../hooks/use-indicator\";\nimport { cn } from \"../../lib/utils\";\nimport styles from \"./toggle-group.module.css\";\n\ntype Variant = \"ghost\" | \"outline\";\ntype Size = \"sm\" | \"md\" | \"lg\";\n\nexport type ToggleGroupProps = ComponentProps<typeof RadixToggleGroup.Root> & {\n  /** Visual weight; defaults to ghost. @deprecated The value \"default\" aliases \"ghost\"; use \"ghost\" instead. */\n  variant?: Variant | \"default\";\n  /** Control size; defaults to md. @deprecated The value \"default\" aliases \"md\"; use \"md\" instead. */\n  size?: Size | \"default\";\n};\n\n/**\n * Pressable toggles where one (type=\"single\") or several (type=\"multiple\") can be on: alignment, bold / italic,\n * view options. ← → move between them; Space or Enter presses. A toggle that is on sits pressed in: with one choice the\n * pressed well travels to the new one as matter; with several, neighbours that are both on merge into one run.\n */\nexport function ToggleGroup({\n  variant: variantProp,\n  size: sizeProp,\n  className,\n  children,\n  ref,\n  ...props\n}: ToggleGroupProps) {\n  const scopeDefaults = useComponentDefaults<ToggleGroupDefaults>(\"toggle-group\", [\"variant\", \"size\"]);\n  const variant = variantProp ?? scopeDefaults.variant ?? \"ghost\";\n  const size = sizeProp ?? scopeDefaults.size ?? \"md\";\n\n  useDeprecatedProp(\"ToggleGroup\", 'variant=\"default\"', 'variant=\"ghost\"', variant === \"default\");\n  useDeprecatedProp(\"ToggleGroup\", 'size=\"default\"', 'size=\"md\"', size === \"default\");\n  const look = variant === \"default\" ? \"ghost\" : variant;\n  const scale = size === \"default\" ? \"md\" : size;\n  const single = props.type === \"single\";\n  // one choice: a single pressed well follows it (the segmented thumb's contour), so a change travels instead of\n  // fading out here and in there\n  const [root, well] = useIndicator<HTMLDivElement>(\"[data-slot=toggle-group-item][aria-checked=true]\", single);\n  const wellRef = useContour<HTMLSpanElement>(single ? well : null);\n  const attach = useComposedRef(root, ref);\n  return (\n    <RadixToggleGroup.Root\n      ref={attach}\n      data-slot=\"toggle-group\"\n      data-variant={look}\n      data-size={scale}\n      data-type={props.type}\n      className={cn(styles.root, look === \"outline\" && styles.outline, scale !== \"md\" && styles[scale], className)}\n      {...props}\n    >\n      {single && well && <span ref={wellRef} aria-hidden data-slot=\"toggle-group-well\" className={styles.well} />}\n      {children}\n    </RadixToggleGroup.Root>\n  );\n}\n\nexport type ToggleGroupItemProps = ComponentProps<typeof RadixToggleGroup.Item> & {\n  /** What the toggle does, in a few words, shown on hover and focus; it also names an icon-only toggle. */\n  tooltip?: ReactNode;\n  /** A shortcut shown in the tooltip, e.g. \"⌘B\". */\n  shortcut?: string;\n};\n\nexport function ToggleGroupItem({ className, tooltip, shortcut, ...props }: ToggleGroupItemProps) {\n  const item = (\n    <RadixToggleGroup.Item\n      data-slot=\"toggle-group-item\"\n      aria-label={props[\"aria-label\"] ?? (typeof tooltip === \"string\" ? tooltip : undefined)}\n      className={cn(styles.item, className)}\n      {...props}\n    />\n  );\n  if (tooltip == null) return item;\n  return (\n    <Tooltip content={tooltip} shortcut={shortcut}>\n      {item}\n    </Tooltip>\n  );\n}\n\nexport default ToggleGroup;\n"},{"path":"beamline/components/tooltip/defaults.ts","type":"registry:file","target":"src/ui/beamline/components/tooltip/defaults.ts","content":"/** Pure allowed presentation defaults for Tooltip; no component or runtime imports. */\nexport interface TooltipDefaults {\n  /** Shared align setting; omit to inherit the surrounding scope or the component default. */\n  align?: \"start\" | \"center\" | \"end\";\n}\n"},{"path":"beamline/components/tooltip/tooltip.module.css","type":"registry:file","target":"src/ui/beamline/components/tooltip/tooltip.module.css","content":"@layer properties, theme, base, components, utilities;\n@layer components {\n  /* A tooltip arrives from its control: it starts a step toward the control on the side it opens on and moves away\n     into place as it fades in (--pui-motion-in), so on any side it reads as coming out of what it explains. Inside a\n     group, the next one opens at once where the last one stood and travels to its own control (--pui-duration-fast),\n     while the last one goes in the arrival time: one tooltip moving along the toolbar, not two blinking. It leaves\n     over the departure fade. Reduced motion keeps the fades and drops the travel (--pui-motion-travel is 0). */\n  .tip {\n    --_dx: 0px;\n    --_dy: 0px;\n    --_tx: 0px;\n    --_ty: 0px;\n    z-index: var(--pui-z-tooltip);\n    transform-origin: var(--radix-tooltip-content-transform-origin);\n  }\n  .tip[data-side=\"top\"] {\n    --_dy: var(--pui-space-1);\n  }\n  .tip[data-side=\"bottom\"] {\n    --_dy: calc(-1 * var(--pui-space-1));\n  }\n  .tip[data-side=\"left\"] {\n    --_dx: var(--pui-space-1);\n  }\n  .tip[data-side=\"right\"] {\n    --_dx: calc(-1 * var(--pui-space-1));\n  }\n  .tip[data-state=\"delayed-open\"] {\n    animation: tip-in var(--pui-motion-in) var(--pui-ease-default);\n  }\n  .tip[data-state=\"instant-open\"] {\n    animation: tip-fade var(--pui-fade-in) var(--pui-ease-default);\n  }\n  .tip[data-state=\"instant-open\"][data-travel] {\n    animation: tip-travel var(--pui-duration-fast) var(--pui-ease-standard);\n  }\n  .tip[data-state=\"closed\"] {\n    animation: tip-out var(--pui-fade-out) var(--pui-ease-default) forwards;\n  }\n  .tip[data-grouped][data-state=\"closed\"] {\n    animation-duration: var(--pui-fade-in);\n  }\n}\n@keyframes tip-in {\n  from {\n    opacity: 0;\n    translate: calc(var(--_dx) * var(--pui-motion-travel, 1)) calc(var(--_dy) * var(--pui-motion-travel, 1));\n  }\n}\n@keyframes tip-fade {\n  from {\n    opacity: 0;\n  }\n}\n@keyframes tip-travel {\n  from {\n    translate: calc(var(--_tx) * var(--pui-motion-travel, 1)) calc(var(--_ty) * var(--pui-motion-travel, 1));\n  }\n}\n@keyframes tip-out {\n  to {\n    opacity: 0;\n  }\n}\n"},{"path":"beamline/components/tooltip/tooltip.tsx","type":"registry:file","target":"src/ui/beamline/components/tooltip/tooltip.tsx","content":"\"use client\";\n\nimport { useComponentDefaults } from \"../../runtime/appearance\";\nimport type { TooltipDefaults } from \"./defaults\";\nexport type { TooltipDefaults } from \"./defaults\";\n\nimport {\n  createContext,\n  useContext,\n  useRef,\n  useState,\n  type CSSProperties,\n  type Ref,\n  type ReactElement,\n  type ReactNode,\n  type RefObject,\n} from \"react\";\nimport * as RadixTooltip from \"@radix-ui/react-tooltip\";\nimport { usePortalContainer } from \"../../runtime/appearance\";\nimport { cn } from \"../../lib/utils\";\nimport styles from \"./tooltip.module.css\";\n\n/** How long after one tooltip of a group closes the next opens at once (and travels from where the last one was). */\nconst SKIP = 400;\n/** The last control of a group whose tooltip showed: its centre and when its tooltip opened or closed. */\ntype Last = { el: Element; x: number; y: number; at: number };\nconst Grouped = createContext<RefObject<Last | null> | null>(null);\n\n/** Tooltips inside a group open instantly one after another (a toolbar): only the first waits, and each next one\n *  travels from where the last one stood. */\nexport function TooltipGroup({\n  children,\n  delay = 500,\n}: {\n  /** Content rendered inside the component. Required. */\n  children: ReactNode;\n  /** Milliseconds before the first tooltip in the group opens. Defaults to 500. */\n  delay?: number;\n}) {\n  const last = useRef<Last | null>(null);\n  return (\n    <RadixTooltip.Provider delayDuration={delay} skipDelayDuration={SKIP}>\n      <Grouped.Provider value={last}>{children}</Grouped.Provider>\n    </RadixTooltip.Provider>\n  );\n}\n\nexport interface TooltipClassNames {\n  /** Classes for the root part; no override by default. */\n  root?: string;\n  /** Classes for the trigger part; no override by default. */\n  trigger?: string;\n  /** Classes for the shortcut part; no override by default. */\n  shortcut?: string;\n}\n\nexport interface TooltipProps {\n  /** What the control does; a few words. */\n  content: ReactNode;\n  /** A keyboard shortcut shown after the text, e.g. \"⌘B\". */\n  shortcut?: string;\n  /** The control: one element that can take a ref (a button). */\n  children: ReactElement;\n  /** Edge from which the panel or anchored content opens. Defaults to \"top\". */\n  side?: \"top\" | \"right\" | \"bottom\" | \"left\";\n  /** Alignment within the available space. Defaults to \"center\". */\n  align?: \"start\" | \"center\" | \"end\";\n  /** Open state, controlled or uncontrolled; the tooltip opens on hover and on keyboard focus either way. */\n  open?: boolean;\n  /** Initial open state when uncontrolled. Defaults to false. */\n  defaultOpen?: boolean;\n  /** Reports open state after a change; no callback by default. */\n  onOpenChange?: (open: boolean) => void;\n  /** Classes on the documented visual root; no override by default. */\n  className?: string;\n  /** Classes for the named visual parts; no part overrides by default. */\n  classNames?: TooltipClassNames;\n  /** Inline styles on the documented visual root; no inline overrides by default. */\n  style?: CSSProperties;\n  /** Receives the documented root element; no ref by default. */\n  ref?: Ref<HTMLDivElement>;\n}\n\n/**\n * Short supporting text for a control: it opens on hover after a moment and at once on keyboard focus, and closes on\n * Escape. It arrives out of its control on whichever side it opens. Inside a TooltipGroup the next one opens instantly\n * and travels from where the last one stood. Never put essential information or anything clickable in a tooltip.\n */\nexport function Tooltip({\n  content,\n  shortcut,\n  children,\n  side = \"top\",\n  align: alignProp,\n  open,\n  defaultOpen,\n  onOpenChange,\n  className,\n  classNames,\n  style,\n  ref,\n}: TooltipProps) {\n  const scopeDefaults = useComponentDefaults<TooltipDefaults>(\"tooltip\", [\"align\"]);\n  const align = alignProp ?? scopeDefaults.align ?? \"center\";\n\n  const group = useContext(Grouped);\n  const container = usePortalContainer();\n  const trigger = useRef<HTMLButtonElement>(null); // the control, whatever element it is (Radix types it as a button)\n  // in a group, how far this tooltip is from the last one, so it can start there and travel to its own control\n  const [travel, setTravel] = useState<{ x: number; y: number } | null>(null);\n  const change = (next: boolean) => {\n    const el = trigger.current;\n    if (group && el) {\n      const r = el.getBoundingClientRect();\n      const x = r.left + r.width / 2;\n      const y = r.top + r.height / 2;\n      const last = group.current;\n      if (next) {\n        const near = last && last.el !== el && performance.now() - last.at < SKIP;\n        setTravel(near ? { x: last.x - x, y: last.y - y } : null);\n        group.current = { el, x, y, at: Infinity };\n      } else if (last?.el === el) last.at = performance.now();\n    }\n    onOpenChange?.(next);\n  };\n  const tip = (\n    <RadixTooltip.Root open={open} defaultOpen={defaultOpen} onOpenChange={change}>\n      <RadixTooltip.Trigger ref={trigger} asChild data-slot=\"tooltip-trigger\" className={classNames?.trigger}>\n        {children}\n      </RadixTooltip.Trigger>\n      {container !== null && (\n        <RadixTooltip.Portal container={container}>\n          <RadixTooltip.Content\n            data-slot=\"tooltip\"\n            data-grouped={group ? \"\" : undefined}\n            data-travel={travel ? \"\" : undefined}\n            style={travel ? ({ \"--_tx\": `${travel.x}px`, \"--_ty\": `${travel.y}px`, ...style } as CSSProperties) : style}\n            ref={ref}\n            side={side}\n            align={align}\n            sideOffset={6}\n            collisionPadding={8}\n            className={cn(\n              \"flex max-w-[min(260px,calc(100vw-16px))] items-center gap-2 rounded-chip bg-tooltip px-2 py-1 text-xs leading-snug text-tooltip-fg shadow-overlay\",\n              styles.tip,\n              classNames?.root,\n              className,\n            )}\n          >\n            {content}\n            {shortcut && (\n              <kbd\n                data-slot=\"tooltip-shortcut\"\n                className={cn(\"font-mono text-2xs text-[var(--pui-tooltip-muted)]\", classNames?.shortcut)}\n              >\n                {shortcut}\n              </kbd>\n            )}\n          </RadixTooltip.Content>\n        </RadixTooltip.Portal>\n      )}\n    </RadixTooltip.Root>\n  );\n  return group ? tip : <RadixTooltip.Provider delayDuration={500}>{tip}</RadixTooltip.Provider>;\n}\n\nexport default Tooltip;\n"},{"path":"beamline/hooks/use-active.ts","type":"registry:file","target":"src/ui/beamline/hooks/use-active.ts","content":"\"use client\";\n\nimport { useContext, useEffect, useState, type RefObject } from \"react\";\n\nimport { ActivityContext } from \"../runtime/activity\";\n\n/**\n * Whether an animated element should be doing work: it is (nearly) on screen and the tab is visible. Every\n * continuously animated component gates its loop, shader or CSS animation on this, so an effect scrolled out of view,\n * behind another tab, or in a collapsed panel costs nothing. One IntersectionObserver per element; no polling.\n */\nexport function useActive(\n  ref: RefObject<Element | null>,\n  {\n    margin = \"120px\",\n    key,\n    idle = true,\n  }: {\n    margin?: string;\n    /** Re-attach when this changes (an element that mounts later). */\n    key?: unknown;\n    /** Pause continuous work at the host idle boundary. Finite sequences set false so they finish. */\n    idle?: boolean;\n  } = {},\n) {\n  const active = useContext(ActivityContext);\n  const [inView, setInView] = useState(false);\n  const [visible, setVisible] = useState(\n    () => typeof document === \"undefined\" || document.visibilityState === \"visible\",\n  );\n  useEffect(() => {\n    const el = ref.current;\n    if (!el || typeof IntersectionObserver === \"undefined\") {\n      setInView(true);\n      return;\n    }\n    const io = new IntersectionObserver(([e]) => setInView(e.isIntersecting), { rootMargin: margin });\n    io.observe(el);\n    return () => io.disconnect();\n  }, [ref, margin, key]);\n  useEffect(() => {\n    const on = () => setVisible(document.visibilityState === \"visible\");\n    document.addEventListener(\"visibilitychange\", on);\n    return () => document.removeEventListener(\"visibilitychange\", on);\n  }, []);\n  return (!idle || active) && inView && visible;\n}\n"},{"path":"beamline/hooks/use-composed-ref.ts","type":"registry:file","target":"src/ui/beamline/hooks/use-composed-ref.ts","content":"\"use client\";\n\nimport { useCallback, type Ref, type RefObject } from \"react\";\n\n/** Keep a control's measurement/focus ref and the caller's ref, including React 19 callback cleanup. */\nexport function useComposedRef<T>(internal: RefObject<T | null>, external?: Ref<T>) {\n  return useCallback(\n    (node: T | null) => {\n      internal.current = node;\n      if (typeof external === \"function\") {\n        const cleanup = external(node);\n        if (typeof cleanup === \"function\")\n          return () => {\n            internal.current = null;\n            cleanup();\n          };\n      } else if (external) external.current = node;\n    },\n    [internal, external],\n  );\n}\n"},{"path":"beamline/hooks/use-content-width.ts","type":"registry:file","target":"src/ui/beamline/hooks/use-content-width.ts","content":"\"use client\";\n\nimport { useLayoutEffect, useRef, useState, type RefObject } from \"react\";\n\nconst same = (width: number) => width;\n\n/**\n * The width of an element's content box, kept current with a ResizeObserver. It is first read in a layout effect, so\n * a layout chosen by width (a narrow mode, a chart's scale) is right in the first frame instead of jumping a frame\n * later. `fallback` stands in on the server and until the element exists; `key` re-measures when the element is\n * replaced (one that exists only in one view).\n */\nexport function useContentWidth(ref: RefObject<HTMLElement | null>, fallback: number, key?: unknown): number {\n  return useWidthAs(ref, same, fallback, key);\n}\n\n/**\n * The same width, kept as what a part needs from it (`(w) => w < 640` for a narrow mode): the part renders again only\n * when that changes, not at every pixel.\n */\nexport function useWidthAs<T>(\n  ref: RefObject<HTMLElement | null>,\n  read: (width: number) => T,\n  fallback: T,\n  key?: unknown,\n): T {\n  const [value, setValue] = useState(fallback);\n  const latest = useRef(read);\n  latest.current = read;\n  useLayoutEffect(() => {\n    const el = ref.current;\n    if (!el) return;\n    // the computed width is fractional and ignores transforms, like the observer's content box\n    const s = getComputedStyle(el);\n    const edges = [\"paddingLeft\", \"paddingRight\", \"borderLeftWidth\", \"borderRightWidth\"] as const;\n    const box = parseFloat(s.width);\n    const outer = Number.isFinite(box) ? box : el.offsetWidth;\n    const inner =\n      Number.isFinite(box) && s.boxSizing !== \"border-box\" ? 0 : edges.reduce((w, k) => w + parseFloat(s[k]), 0);\n    setValue(latest.current(outer - inner));\n    if (typeof ResizeObserver === \"undefined\") return;\n    const ro = new ResizeObserver(([e]) => setValue(latest.current(e.contentRect.width)));\n    ro.observe(el);\n    return () => ro.disconnect();\n  }, [ref, key]);\n  return value;\n}\n\n/**\n * The height of an element's content box, kept current like `useContentWidth`: for parts that lay out at whatever\n * height their parent gives them (a chart, a map or a book that fills its panel). Read in a layout effect, so the first\n * frame is right; with `enabled` false nothing is measured and the fallback stands.\n */\nexport function useContentHeight(\n  ref: RefObject<HTMLElement | null>,\n  fallback: number,\n  key?: unknown,\n  enabled = true,\n): number {\n  const [value, setValue] = useState(fallback);\n  useLayoutEffect(() => {\n    const el = ref.current;\n    if (!enabled || !el) return;\n    const s = getComputedStyle(el);\n    setValue(el.clientHeight - (parseFloat(s.paddingTop) || 0) - (parseFloat(s.paddingBottom) || 0));\n    if (typeof ResizeObserver === \"undefined\") return;\n    const ro = new ResizeObserver(([e]) => setValue(e.contentRect.height));\n    ro.observe(el);\n    return () => ro.disconnect();\n  }, [ref, key, enabled]);\n  return enabled ? value : fallback;\n}\n"},{"path":"beamline/hooks/use-contour.ts","type":"registry:file","target":"src/ui/beamline/hooks/use-contour.ts","content":"\"use client\";\n\nimport { useCallback, useLayoutEffect, useRef } from \"react\";\nimport { createContour, type Contour } from \"../lib/contour\";\nimport type { IndicatorBox } from \"./use-indicator\";\n\n/**\n * Puts a decorative surface (a segmented thumb, a tab's pill or line) on the contour engine and moves it to `box`\n * whenever the box changes: the first placement is instant, later ones travel as matter (ui/lib/contour.ts). Returns a\n * ref for the surface. The surface stays aria-hidden; the control's own state has already changed by the time it moves.\n */\nexport function useContour<T extends HTMLElement>(box: IndicatorBox | null) {\n  const contour = useRef<Contour | null>(null);\n  const ref = useCallback((el: T | null) => {\n    contour.current?.destroy();\n    contour.current = el ? createContour(el) : null;\n  }, []);\n  useLayoutEffect(() => {\n    // a choice travels; the first placement and a reflow of the same choice are simply there\n    if (box) contour.current?.to(box, { instant: !box.ready || box.cause === \"layout\" });\n  }, [box]);\n  return ref;\n}\n"},{"path":"beamline/hooks/use-controllable.ts","type":"registry:file","target":"src/ui/beamline/hooks/use-controllable.ts","content":"\"use client\";\n\nimport { useCallback, useRef, useState } from \"react\";\n\n/**\n * One value in both forms (rules/CONVENTIONS.md): the prop while it is passed, otherwise the element's own copy that\n * starts at `initial` (a value, or a function that makes it once). The setter takes a value or an updater; an updater\n * reads the latest value even twice in one event, and every change reaches `onChange`, controlled or not.\n * `Next` is what a change can carry when it is narrower than the state: a range that starts empty (null) but is only\n * ever changed to a range.\n */\nexport function useControllable<T, Next extends T = T>(\n  value: T | undefined,\n  initial: T | (() => T),\n  onChange?: (next: Next) => void,\n) {\n  const [own, setOwn] = useState<T>(initial);\n  const current = value !== undefined ? value : own;\n  const latest = useRef(current);\n  latest.current = current;\n  const set = useCallback(\n    (next: Next | ((was: T) => Next)) => {\n      const resolved = typeof next === \"function\" ? (next as (was: T) => Next)(latest.current) : next;\n      latest.current = resolved;\n      if (value === undefined) setOwn(resolved);\n      onChange?.(resolved);\n    },\n    [value, onChange],\n  );\n  return [current, set] as const;\n}\n"},{"path":"beamline/hooks/use-deprecated-prop.ts","type":"registry:file","target":"src/ui/beamline/hooks/use-deprecated-prop.ts","content":"\"use client\";\n\nimport { useEffect } from \"react\";\n\n// Bundlers replace NODE_ENV for browser builds; this declaration emits no Node dependency.\ndeclare const process: { env: { NODE_ENV?: string } };\n\nconst warned = new Set<string>();\n\n/** Report a legacy prop once after mount in development; production and server renders stay silent. */\nexport function useDeprecatedProp(component: string, prop: string, replacement: string, supplied: boolean) {\n  useEffect(() => {\n    if (process.env.NODE_ENV !== \"development\" || !supplied) return;\n    const key = `${component}.${prop}`;\n    if (warned.has(key)) return;\n    warned.add(key);\n    console.warn(`[Beamline] ${key} is deprecated. Use ${replacement} instead; the legacy prop still works.`);\n  }, [component, prop, replacement, supplied]);\n}\n"},{"path":"beamline/hooks/use-drag.ts","type":"registry:file","target":"src/ui/beamline/hooks/use-drag.ts","content":"\"use client\";\n\nimport { useEffect, useRef, useState, type RefObject } from \"react\";\nimport { VelocityTracker } from \"../lib/gesture\";\n\n/** Where the pointer is during a drag, relative to where it was pressed, with its velocity (px/s) over the last 100 ms. */\nexport interface DragPoint {\n  /** Pointer position in client coordinates. */\n  x: number;\n  y: number;\n  /** Distance from the press. */\n  dx: number;\n  dy: number;\n  /** Velocity in px/s (read from the last 100 ms, so a release carries the flick, not the whole drag). */\n  vx: number;\n  vy: number;\n  pointerType: string;\n  /** Shift was held (a part may offer a second mode on it: move one task alone, a finer step). */\n  shift: boolean;\n}\n\nexport interface DragHandlers {\n  /** A press landed on the element. Return false to leave it alone (a press on a nested button or link). */\n  onPress?: (point: DragPoint, event: PointerEvent) => boolean | void;\n  /** The pointer moved past the threshold: the drag begins (the press point is in `point.x - point.dx`). */\n  onStart?: (point: DragPoint) => void;\n  /** The pointer moved during a drag. `event` is the browser's own, for what a point does not carry: a pen's pressure,\n   *  the coalesced samples a fast stroke packs into one event (a drawing surface). */\n  onMove?: (point: DragPoint, event: PointerEvent) => void;\n  /** Released after a drag, with the release velocity. */\n  onEnd?: (point: DragPoint) => void;\n  /** Released without moving past the threshold: a tap or click (the part's tap route, WCAG 2.5.7). */\n  onTap?: (point: DragPoint) => void;\n  /** Escape, a lost pointer or the browser taking the gesture (a page scroll): put things back as they were. */\n  onCancel?: () => void;\n  /** A press that ended as neither a drag nor a tap: a finger that went on to scroll the page, or a pointer the browser\n   *  took before the threshold. Undo whatever `onPress` prepared. */\n  onAbandon?: () => void;\n}\n\nexport interface DragOptions {\n  /** The axis the part moves on. On touch, a drag that starts mostly across it is left to the page (a scroll). */\n  axis?: \"x\" | \"y\" | \"both\";\n  /** Pixels before a press becomes a drag: 3 for a mouse, 8 for a finger or pen unless given. */\n  threshold?: number;\n  disabled?: boolean;\n}\n\n/**\n * The pointer side of a hand on a part, shared by everything dragged, thrown or pulled (a thumb, a puck, a stub, a\n * task, a cable). It listens natively on the element, so moves never render React: the part writes positions in its\n * handlers (a spring, a transform, a custom property) and only `dragging`, which changes at the start and end, is\n * state (for `data-state`).\n *\n * A press becomes a drag past a small threshold, then the pointer is captured so the drag continues outside the\n * element; a release without moving is a tap (`onTap`), the route every drag needs for people who cannot drag. Escape,\n * `pointercancel` and a lost capture call `onCancel`, and the part restores what it showed before the press. On touch the\n * element needs a `touch-action` that leaves the other axis to the page (`pan-y` for a part dragged sideways; never\n * `none` on more than the dragged surface, which would block zoom), and a drag that starts across its axis is dropped\n * so the page can scroll.\n */\nexport function useDrag<T extends HTMLElement | SVGElement>(\n  ref: RefObject<T | null>,\n  handlers: DragHandlers,\n  { axis = \"both\", threshold, disabled = false }: DragOptions = {},\n): { dragging: boolean } {\n  const [dragging, setDragging] = useState(false);\n  const latest = useRef(handlers);\n  latest.current = handlers;\n\n  useEffect(() => {\n    // an SVG part (a chart's brush) is dragged the same way; its pointer events are typed as an HTML element's\n    const el = ref.current as HTMLElement | null;\n    if (!el || disabled) return;\n    const doc = el.ownerDocument;\n    // Escape during a drag belongs to the drag: listened on the window's capture phase, it runs before any dialog or\n    // popover listening on the document, which would otherwise also close around the cancelled drag\n    const win = doc.defaultView ?? window;\n    let active: {\n      id: number;\n      x0: number;\n      y0: number;\n      type: string;\n      started: boolean;\n      tracker: VelocityTracker;\n    } | null = null;\n\n    const point = (e: PointerEvent): DragPoint => {\n      const a = active!;\n      const [vx, vy] = a.tracker.velocity(e.timeStamp);\n      return {\n        x: e.clientX,\n        y: e.clientY,\n        dx: e.clientX - a.x0,\n        dy: e.clientY - a.y0,\n        vx,\n        vy,\n        pointerType: e.pointerType,\n        shift: e.shiftKey,\n      };\n    };\n\n    const finish = () => {\n      if (active?.started && el.hasPointerCapture?.(active.id)) el.releasePointerCapture(active.id);\n      active = null;\n      doc.removeEventListener(\"pointermove\", move);\n      doc.removeEventListener(\"pointerup\", up);\n      doc.removeEventListener(\"pointercancel\", cancel);\n      win.removeEventListener(\"keydown\", key, true);\n      doc.removeEventListener(\"selectstart\", hold, true);\n      doc.removeEventListener(\"dragstart\", hold, true);\n      el.removeEventListener(\"lostpointercapture\", lost);\n      setDragging(false);\n    };\n\n    const cancel = () => {\n      if (!active) return;\n      const started = active.started;\n      finish();\n      if (started) latest.current.onCancel?.();\n      else latest.current.onAbandon?.();\n    };\n\n    // only the part's own capture ending cancels: a finger's press is captured by the child it landed on, and moving\n    // the capture to the part fires lostpointercapture on that child, which bubbles here\n    const lost = (e: PointerEvent) => {\n      if (e.target === el && active?.started && e.pointerId === active.id) cancel();\n    };\n\n    const key = (e: KeyboardEvent) => {\n      if (e.key !== \"Escape\" || !active?.started) return;\n      e.preventDefault();\n      e.stopImmediatePropagation();\n      cancel();\n    };\n\n    // while the hand holds the part, the page neither selects text nor starts its own drag and drop (a selection left\n    // by an earlier drag would otherwise be dragged, and the browser cancels the pointer)\n    const hold = (e: Event) => e.preventDefault();\n\n    const move = (e: PointerEvent) => {\n      if (!active || e.pointerId !== active.id) return;\n      active.tracker.add(e.timeStamp, e.clientX, e.clientY);\n      const p = point(e);\n      if (!active.started) {\n        const limit = threshold ?? (active.type === \"mouse\" ? 3 : 8);\n        if (Math.hypot(p.dx, p.dy) < limit) return;\n        // a finger that starts across the part's axis is scrolling the page\n        const across = axis === \"x\" ? Math.abs(p.dy) > Math.abs(p.dx) : axis === \"y\" && Math.abs(p.dx) > Math.abs(p.dy);\n        if (active.type !== \"mouse\" && across) {\n          finish();\n          latest.current.onAbandon?.();\n          return;\n        }\n        active.started = true;\n        doc.getSelection()?.removeAllRanges();\n        el.setPointerCapture?.(active.id);\n        el.addEventListener(\"lostpointercapture\", lost);\n        setDragging(true);\n        latest.current.onStart?.(p);\n      }\n      latest.current.onMove?.(p, e);\n    };\n\n    const up = (e: PointerEvent) => {\n      if (!active || e.pointerId !== active.id) return;\n      active.tracker.add(e.timeStamp, e.clientX, e.clientY);\n      const p = point(e);\n      const started = active.started;\n      finish();\n      if (started) latest.current.onEnd?.(p);\n      else latest.current.onTap?.(p);\n    };\n\n    const down = (e: PointerEvent) => {\n      if (active || !e.isPrimary || (e.pointerType === \"mouse\" && e.button !== 0)) return;\n      const tracker = new VelocityTracker();\n      tracker.add(e.timeStamp, e.clientX, e.clientY);\n      active = { id: e.pointerId, x0: e.clientX, y0: e.clientY, type: e.pointerType, started: false, tracker };\n      if (latest.current.onPress?.(point(e), e) === false) {\n        active = null;\n        return;\n      }\n      doc.addEventListener(\"pointermove\", move);\n      doc.addEventListener(\"pointerup\", up);\n      doc.addEventListener(\"pointercancel\", cancel);\n      win.addEventListener(\"keydown\", key, true);\n      doc.addEventListener(\"selectstart\", hold, true);\n      doc.addEventListener(\"dragstart\", hold, true);\n    };\n\n    el.addEventListener(\"pointerdown\", down);\n    return () => {\n      el.removeEventListener(\"pointerdown\", down);\n      if (active) finish();\n    };\n  }, [ref, axis, threshold, disabled]);\n\n  return { dragging };\n}\n"},{"path":"beamline/hooks/use-indicator.ts","type":"registry:file","target":"src/ui/beamline/hooks/use-indicator.ts","content":"\"use client\";\n\nimport { APPEARANCE_EVENT } from \"../lib/motion-tokens\";\nimport { useLayoutEffect, useRef, useState, type CSSProperties, type RefObject } from \"react\";\n\nexport interface IndicatorBox {\n  x: number;\n  y: number;\n  w: number;\n  h: number;\n  /** False on the first placement, so the indicator appears in place instead of sliding in from the corner. */\n  ready: boolean;\n  /** Which way the last move went on each axis (-1 left or up, 1 right or down, 0 still), for the edge that leads. */\n  dx: -1 | 0 | 1;\n  dy: -1 | 0 | 1;\n  /** choice: a selection changed; layout: the same choice moved because the page reflowed (a resize, a font, a\n   *  type scale). A surface may travel for a choice and should simply be there after a reflow. */\n  cause: \"choice\" | \"layout\";\n}\n\ntype Box = Pick<IndicatorBox, \"x\" | \"y\" | \"w\" | \"h\">;\nconst same = (a: IndicatorBox | null, b: Box) => a !== null && a.x === b.x && a.y === b.y && a.w === b.w && a.h === b.h;\n\n/**\n * Follows the chosen item inside a container: the thumb of a segmented control, the pill or line of tabs, the ring of\n * radio cards. Returns a ref for the container and the box of the first element matching `selector` in it, relative\n * to the container (null when nothing matches). It measures before paint whenever `key` changes, and again when the\n * container resizes or a selection attribute changes inside it (for parts whose choice lives in a library, like tabs).\n */\nexport function useIndicator<T extends HTMLElement>(\n  selector: string,\n  key?: unknown,\n  onPlace?: (item: HTMLElement, container: T) => void,\n  /** offset (default): the item's offset box, for items whose offset parent is the container. rect: measured on screen\n   *  relative to the container, for items nested in positioned cells (a calendar day in its table cell). */\n  measure: \"offset\" | \"rect\" = \"offset\",\n): [RefObject<T | null>, IndicatorBox | null] {\n  const ref = useRef<T>(null);\n  const [box, setBox] = useState<IndicatorBox | null>(null);\n  const placed = useRef(onPlace);\n  useLayoutEffect(() => {\n    placed.current = onPlace;\n  });\n  useLayoutEffect(() => {\n    const container = ref.current;\n    if (!container) return;\n    const place = (cause: IndicatorBox[\"cause\"] = \"choice\") => {\n      const item = container.querySelector<HTMLElement>(selector);\n      if (!item) {\n        setBox(null);\n        return;\n      }\n      let next = { x: item.offsetLeft, y: item.offsetTop, w: item.offsetWidth, h: item.offsetHeight };\n      if (measure === \"rect\") {\n        const a = item.getBoundingClientRect();\n        const c = container.getBoundingClientRect();\n        next = {\n          x: Math.round(a.left - c.left - container.clientLeft + container.scrollLeft),\n          y: Math.round(a.top - c.top - container.clientTop + container.scrollTop),\n          w: item.offsetWidth,\n          h: item.offsetHeight,\n        };\n      }\n      setBox((b) =>\n        same(b, next)\n          ? b\n          : {\n              ...next,\n              cause,\n              ready: b !== null,\n              dx: b ? (Math.sign(next.x - b.x) as IndicatorBox[\"dx\"]) : 0,\n              dy: b ? (Math.sign(next.y - b.y) as IndicatorBox[\"dy\"]) : 0,\n            },\n      );\n      placed.current?.(item, container);\n    };\n    const resizes = typeof ResizeObserver === \"undefined\" ? null : new ResizeObserver(() => place(\"layout\"));\n    resizes?.observe(container);\n    const observed = new Set<Element>();\n    const observeItems = () => {\n      // A full-width fixed-height list can stay the same size while its tabs/radio choices grow with type or labels.\n      // Ignore the decorative indicator itself, whose own dimensions are the output of this measurement.\n      const items = new Set([...container.children].filter((child) => child.getAttribute(\"aria-hidden\") !== \"true\"));\n      for (const old of observed)\n        if (!items.has(old)) {\n          resizes?.unobserve(old);\n          observed.delete(old);\n        }\n      for (const item of items)\n        if (!observed.has(item)) {\n          resizes?.observe(item);\n          observed.add(item);\n        }\n    };\n    observeItems();\n    place();\n    const mutations = new MutationObserver(() => {\n      observeItems();\n      place(\"choice\");\n    });\n    mutations.observe(container, {\n      subtree: true,\n      childList: true,\n      attributes: true,\n      attributeFilter: [\"data-state\", \"aria-checked\", \"aria-selected\", \"aria-current\", \"data-active\", \"data-open\"],\n    });\n    const reflow = () => place(\"layout\");\n    container.ownerDocument.addEventListener(APPEARANCE_EVENT, reflow);\n    container.ownerDocument.fonts?.addEventListener(\"loadingdone\", reflow);\n    return () => {\n      mutations.disconnect();\n      resizes?.disconnect();\n      container.ownerDocument.removeEventListener(APPEARANCE_EVENT, reflow);\n      container.ownerDocument.fonts?.removeEventListener(\"loadingdone\", reflow);\n    };\n  }, [selector, key, measure]);\n  return [ref, box];\n}\n\n/** The box as custom properties, for a stylesheet to place the indicator with: --pui-indicator-x/-y/-w/-h, and its\n *  four edges --pui-glide-l/-r/-t/-b, which the `glide` class moves one at a time. */\nexport function indicatorStyle(box: IndicatorBox): CSSProperties {\n  return {\n    \"--pui-indicator-x\": `${box.x}px`,\n    \"--pui-indicator-y\": `${box.y}px`,\n    \"--pui-indicator-w\": `${box.w}px`,\n    \"--pui-indicator-h\": `${box.h}px`,\n    \"--pui-glide-l\": `${box.x}px`,\n    \"--pui-glide-r\": `${box.x + box.w}px`,\n    \"--pui-glide-t\": `${box.y}px`,\n    \"--pui-glide-b\": `${box.y + box.h}px`,\n  } as CSSProperties;\n}\n\nconst AXIS = { x: [\"left\", undefined, \"right\"], y: [\"up\", undefined, \"down\"] } as const;\n\n/** Everything an indicator wearing the `glide` class needs (utilities.css): its place, whether it may move yet, and\n *  which way it is going, so the edge on that side leads and the other follows: it stretches toward the new choice and\n *  gathers there. */\nexport function glideProps(box: IndicatorBox) {\n  return {\n    style: indicatorStyle(box),\n    \"data-ready\": box.ready ? \"\" : undefined,\n    \"data-glide-x\": AXIS.x[box.dx + 1],\n    \"data-glide-y\": AXIS.y[box.dy + 1],\n  };\n}\n"},{"path":"beamline/hooks/use-media-query.ts","type":"registry:file","target":"src/ui/beamline/hooks/use-media-query.ts","content":"\"use client\";\n\nimport { useSyncExternalStore } from \"react\";\n\n// one MediaQueryList per query: React reads the snapshot on every render, and a part that renders thirty times a\n// second (a playing audio player's clock) would otherwise ask the browser for a new list each time\nconst lists = new Map<string, MediaQueryList>();\nconst list = (query: string) => {\n  if (typeof window === \"undefined\" || typeof window.matchMedia !== \"function\") return undefined;\n  let m = lists.get(query);\n  if (!m) lists.set(query, (m = window.matchMedia(query)));\n  return m;\n};\n\n/** True while the media query matches; false on the server and in the first client render of SSR output. */\nexport function useMediaQuery(query: string): boolean {\n  return useSyncExternalStore(\n    (notify) => {\n      const m = list(query);\n      m?.addEventListener(\"change\", notify);\n      return () => m?.removeEventListener(\"change\", notify);\n    },\n    () => list(query)?.matches ?? false,\n    () => false,\n  );\n}\n\n/** Phone-width layouts: below 768px. */\nexport const usePhone = () => useMediaQuery(\"(max-width: 767px)\");\n"},{"path":"beamline/hooks/use-motion-tokens.ts","type":"registry:file","target":"src/ui/beamline/hooks/use-motion-tokens.ts","content":"\"use client\";\n\nimport { useMemo, type RefObject } from \"react\";\nimport { useAppearanceRoot } from \"../runtime/appearance\";\nimport { useResolvedAppearance } from \"./use-resolved-appearance\";\nimport { motionAt, motionEase, motionTokens, type MotionTokens } from \"../lib/motion-tokens\";\nimport { semanticMotion } from \"../lib/motion-source\";\n\nconst durationToken = (name: string) =>\n  name === \"exit\" ? \"motion-out\" : name === \"in\" || name === \"out\" ? `motion-${name}` : `duration-${name}`;\nconst easeToken = (name: string) => `ease-${name === \"inOut\" ? \"in-out\" : name}`;\nconst REQUEST = {\n  times: [\n    ...Object.keys(semanticMotion.duration).map(durationToken),\n    ...Object.keys(semanticMotion.spring).map((name) => `spring-${name}`),\n    ...Object.keys(semanticMotion.stagger).map((name) => `stagger-${name}`),\n    \"fade-in\",\n    \"fade-out\",\n  ],\n  easings: [...Object.keys(semanticMotion.ease).map(easeToken), \"ease-spring\", \"ease-spring-bounce\", \"ease-overshoot\"],\n  numbers: [\"motion-scale\", \"motion-look\", \"press-scale\"],\n  // timing only: the host's own type would make every control resolve differently from the page around it\n  typography: false,\n};\n\n/**\n * Resolve each timing at the actual host; omitted host uses the nearest managed root. The first/server snapshot is\n * the pure foundation default. Local CSS values, scope changes, font readiness, OS preference and explicit refresh\n * update the same consumer; no document-wide first-root fallback or persistent global listener.\n */\nexport function useMotionTokens(hostRef?: RefObject<HTMLElement | null>): MotionTokens & {\n  ready: boolean;\n  /** Reduced or none: movement, springs and staggers are instant. */\n  reduced: boolean;\n  mode: \"full\" | \"reduced\" | \"none\";\n  /** Opacity-only arrival and departure (seconds): kept under reduced, instant under none (APPEARANCE A06). */\n  fade: { in: number; out: number };\n} {\n  const root = useAppearanceRoot();\n  const scopeRef = useMemo(() => ({ current: root }), [root]);\n  const resolved = useResolvedAppearance(hostRef ?? scopeRef, REQUEST);\n  return useMemo(() => {\n    if (!resolved.ready)\n      return {\n        ...motionTokens,\n        ready: false,\n        reduced: false,\n        mode: \"full\" as const,\n        fade: { in: motionTokens.duration.in, out: motionTokens.duration.out },\n      };\n    const reduced = resolved.reducedMotion;\n    const speed = (resolved.numbers[\"motion-scale\"] ?? 1) * (resolved.numbers[\"motion-look\"] ?? 1);\n    const fade =\n      resolved.motionMode === \"none\"\n        ? { in: 0.001, out: 0.001 }\n        : {\n            in: resolved.times[\"fade-in\"] ?? semanticMotion.duration.in * speed,\n            out: resolved.times[\"fade-out\"] ?? semanticMotion.duration.out * speed,\n          };\n    const factor = reduced ? 0.001 / semanticMotion.duration.standard : speed;\n    const base = motionAt(factor);\n    const duration = Object.fromEntries(\n      Object.entries(base.duration).map(([name, fallback]) => [\n        name,\n        reduced ? 0.001 : (resolved.times[durationToken(name)] ?? fallback),\n      ]),\n    ) as MotionTokens[\"duration\"];\n    const stagger = Object.fromEntries(\n      Object.entries(base.stagger).map(([name, fallback]) => [\n        name,\n        reduced ? 0 : (resolved.times[`stagger-${name}`] ?? fallback),\n      ]),\n    ) as MotionTokens[\"stagger\"];\n    const ease = Object.fromEntries(\n      Object.entries(base.ease).map(([name, fallback]) => [\n        name,\n        motionEase(resolved.easings[easeToken(name)], fallback),\n      ]),\n    ) as MotionTokens[\"ease\"];\n    const spring = { ...base.spring };\n    for (const name of Object.keys(semanticMotion.spring) as (keyof typeof semanticMotion.spring)[])\n      spring[name] = {\n        ...base.spring[name],\n        visualDuration: reduced ? 0.001 : (resolved.times[`spring-${name}`] ?? base.spring[name].visualDuration),\n        bounce: reduced ? 0 : base.spring[name].bounce,\n      };\n    return {\n      ...base,\n      ready: true,\n      reduced,\n      mode: resolved.motionMode,\n      fade,\n      duration,\n      stagger,\n      ease,\n      spring,\n      pressScale: resolved.numbers[\"press-scale\"] ?? base.pressScale,\n      css: {\n        spring: resolved.easings[\"ease-spring\"] ?? base.css.spring,\n        springBounce: resolved.easings[\"ease-spring-bounce\"] ?? base.css.springBounce,\n        overshoot: resolved.easings[\"ease-overshoot\"] ?? base.css.overshoot,\n      },\n    };\n  }, [resolved]);\n}\n"},{"path":"beamline/hooks/use-reduced-motion-safe.ts","type":"registry:file","target":"src/ui/beamline/hooks/use-reduced-motion-safe.ts","content":"\"use client\";\n\nimport { useMediaQuery } from \"./use-media-query\";\nimport { useScopeMotion } from \"../runtime/appearance\";\n\n/** Managed motion policy plus the OS preference, with a stable server snapshot. */\nexport function useReducedMotionSafe() {\n  const requested = useScopeMotion();\n  const os = useMediaQuery(\"(prefers-reduced-motion: reduce)\");\n  return requested !== \"auto\" || os;\n}\n"},{"path":"beamline/lib/contour.ts","type":"registry:file","target":"src/ui/beamline/lib/contour.ts","content":"import { readMotionFactor } from \"./motion-tokens\";\n\n/**\n * Contour: a surface whose outline moves like matter instead of a box that resizes. Beamline's own model (research/\n * morphing-interfaces-2026-10-04): a rounded quadrilateral whose four corners each follow their target on a critically\n * damped spring. The corner facing the way it travels answers fastest and the far one slowest, so it leads and gathers;\n * each edge's midpoint heads for where its edge will be a little ahead of its corners and may only bulge outward (the\n * leading edge rounds out like the front of a drop, the tail stays smooth), and while the shape is longer than its target the long edges\n * pinch toward the centre, so a fast move draws a neck; while it is stretched its corners round toward a capsule, as a moving drop does. No spring overshoots: the elasticity is the parts arriving at\n * different moments, never bounce. At rest the surface is its plain CSS box with no clip and no frames.\n *\n * The look decides the material through four inputs on the element (preset-source.css): --m-morph-spread (how unevenly\n * the corners answer; 0 is rigid travel), --m-morph-front (px the leading edge may round out), --m-morph-waist (how much\n * a stretch pinches) and --m-morph-weight (a multiplier on the response time).\n */\nexport interface ContourBox {\n  x: number;\n  y: number;\n  w: number;\n  h: number;\n}\n\nexport interface Contour {\n  /** Move the surface to `box` (in its offset parent's coordinates). `instant` places it with no motion. */\n  to(box: ContourBox, options?: { instant?: boolean }): void;\n  /** Stop and leave the surface at its target. */\n  destroy(): void;\n}\n\ntype Point = [number, number];\ntype Corner = \"tl\" | \"tr\" | \"br\" | \"bl\";\ntype Edge = \"t\" | \"r\" | \"b\" | \"l\";\nconst CORNERS: Corner[] = [\"tl\", \"tr\", \"br\", \"bl\"];\nconst EDGES: Edge[] = [\"t\", \"r\", \"b\", \"l\"];\n/** Outward direction of each corner, for deciding which one leads. */\nconst OUT: Record<Corner, Point> = { tl: [-1, -1], tr: [1, -1], br: [1, 1], bl: [-1, 1] };\n/** Outward direction of each edge. */\nconst NORMAL: Record<Edge, Point> = { t: [0, -1], r: [1, 0], b: [0, 1], l: [-1, 0] };\n/** Settles at the motion-token morph spring at the foundation default. */\nconst BASE_RESPONSE = 0.26;\n\ninterface Mechanics {\n  spread: number;\n  front: number;\n  waist: number;\n  weight: number;\n  /** The colour of the edge drawn along a non-rectangular outline (the look's hairline, which a clip would cut off). */\n  rim: string;\n  rimWidth: number;\n}\n\n/** One step of a critically damped spring with response time `t` (s), in closed form so a long frame cannot explode. */\nfunction step(x: number, v: number, target: number, t: number, dt: number): [number, number] {\n  const w = (2 * Math.PI) / (t * 1.2);\n  const d = x - target;\n  const e = Math.exp(-w * dt);\n  return [target + (d + (v + w * d) * dt) * e, (v - w * (v + w * d) * dt) * e];\n}\n\nconst cornersOf = (b: ContourBox): Record<Corner, Point> => ({\n  tl: [b.x, b.y],\n  tr: [b.x + b.w, b.y],\n  br: [b.x + b.w, b.y + b.h],\n  bl: [b.x, b.y + b.h],\n});\nconst midsOf = (c: Record<Corner, Point>): Record<Edge, Point> => ({\n  t: [(c.tl[0] + c.tr[0]) / 2, (c.tl[1] + c.tr[1]) / 2],\n  r: [(c.tr[0] + c.br[0]) / 2, (c.tr[1] + c.br[1]) / 2],\n  b: [(c.br[0] + c.bl[0]) / 2, (c.br[1] + c.bl[1]) / 2],\n  l: [(c.bl[0] + c.tl[0]) / 2, (c.bl[1] + c.tl[1]) / 2],\n});\nconst zero = <K extends string>(keys: K[]) => Object.fromEntries(keys.map((k) => [k, [0, 0]])) as Record<K, Point>;\nconst num = (style: CSSStyleDeclaration, name: string, fallback: number) => {\n  const value = Number.parseFloat(style.getPropertyValue(name));\n  return Number.isFinite(value) ? value : fallback;\n};\n\n/** All moving contours share one frame loop, which stops when the last one settles. */\nconst moving = new Set<(dt: number) => boolean>();\nlet frame = 0;\nlet last = 0;\nfunction tick(now: number) {\n  const dt = Math.min(0.032, Math.max(0.001, (now - last) / 1000));\n  last = now;\n  for (const advance of moving) if (!advance(dt)) moving.delete(advance);\n  frame = moving.size ? requestAnimationFrame(tick) : 0;\n}\nfunction run(advance: (dt: number) => boolean) {\n  moving.add(advance);\n  if (!frame) {\n    last = performance.now();\n    frame = requestAnimationFrame(tick);\n  }\n}\n\n/** One contour per element, so a remount (or React's development double mount) keeps its place and keeps moving. */\nconst contours = new WeakMap<HTMLElement, Contour>();\nexport function createContour(el: HTMLElement): Contour {\n  const existing = contours.get(el);\n  if (existing) return existing;\n  let target: ContourBox | null = null;\n  let pos: Record<Corner, Point> | null = null;\n  let vel = zero(CORNERS);\n  let mid: Record<Edge, Point> = { t: [0, 0], r: [0, 0], b: [0, 0], l: [0, 0] };\n  let midVel = zero(EDGES);\n  let mech: Mechanics = { spread: 0.35, front: 5, waist: 0.16, weight: 1, rim: \"none\", rimWidth: 1 };\n  let rimPath: SVGPathElement | null = null;\n  const rim = (d: string | null, w = 0, h = 0) => {\n    if (!d || mech.rim === \"none\") {\n      if (rimPath) (rimPath.ownerSVGElement as SVGSVGElement).style.display = \"none\";\n      return;\n    }\n    if (!rimPath) {\n      const ns = \"http://www.w3.org/2000/svg\";\n      const svg = el.ownerDocument.createElementNS(ns, \"svg\");\n      svg.setAttribute(\"aria-hidden\", \"true\");\n      svg.setAttribute(\"data-contour-rim\", \"\");\n      svg.style.cssText = \"position:absolute;left:0;top:0;z-index:2;overflow:visible;pointer-events:none\";\n      rimPath = el.ownerDocument.createElementNS(ns, \"path\");\n      rimPath.setAttribute(\"fill\", \"none\");\n      svg.appendChild(rimPath);\n      el.appendChild(svg);\n    }\n    const svg = rimPath.ownerSVGElement as SVGSVGElement;\n    svg.style.display = \"\";\n    svg.setAttribute(\"width\", String(w));\n    svg.setAttribute(\"height\", String(h));\n    rimPath.setAttribute(\"d\", d);\n    // the clip keeps the inner half of the stroke: an edge of rimWidth inside the outline\n    rimPath.setAttribute(\"stroke-width\", String(mech.rimWidth * 2));\n    rimPath.style.stroke = mech.rim;\n  };\n  let response = BASE_RESPONSE;\n  let radius = 0;\n  let running = false;\n\n  const rest = () => {\n    if (!target) return;\n    el.style.transform = `translate(${target.x}px, ${target.y}px)`;\n    el.style.width = `${target.w}px`;\n    el.style.height = `${target.h}px`;\n    el.style.clipPath = \"\";\n    rim(null);\n    delete el.dataset.morphing;\n  };\n\n  const draw = () => {\n    if (!pos || !target) return;\n    const c = pos;\n    const w = (c.tr[0] - c.tl[0] + c.br[0] - c.bl[0]) / 2;\n    const h = (c.bl[1] - c.tl[1] + c.br[1] - c.tr[1]) / 2;\n    // the long edges pinch while the shape is longer than its target (area kept, roughly)\n    const pinchY = Math.min(h * mech.waist * 0.5, 4, h * Math.max(0, w / target.w - 1) * mech.waist);\n    const pinchX = Math.min(w * mech.waist * 0.5, 4, w * Math.max(0, h / target.h - 1) * mech.waist);\n    const edges: Record<Edge, Point> = {\n      t: [mid.t[0], mid.t[1] + pinchY],\n      b: [mid.b[0], mid.b[1] - pinchY],\n      l: [mid.l[0] + pinchX, mid.l[1]],\n      r: [mid.r[0] - pinchX, mid.r[1]],\n    };\n    // still a rectangle (a rigid look, or a straight move): move the box itself and keep every bit of the look's paint\n    const flat = (a: number, b: number) => Math.abs(a - b) < 0.35;\n    const corners = midsOf(c);\n    if (\n      flat(c.tl[1], c.tr[1]) &&\n      flat(c.bl[1], c.br[1]) &&\n      flat(c.tl[0], c.bl[0]) &&\n      flat(c.tr[0], c.br[0]) &&\n      EDGES.every((k) => flat(edges[k][0], corners[k][0]) && flat(edges[k][1], corners[k][1]))\n    ) {\n      el.style.transform = `translate(${c.tl[0]}px, ${c.tl[1]}px)`;\n      el.style.width = `${c.tr[0] - c.tl[0]}px`;\n      el.style.height = `${c.bl[1] - c.tl[1]}px`;\n      el.style.clipPath = \"\";\n      rim(null);\n      return;\n    }\n    const all = [...CORNERS.map((k) => c[k]), ...EDGES.map((k) => edges[k])];\n    const minX = Math.floor(Math.min(...all.map((p) => p[0]))) - 1;\n    const minY = Math.floor(Math.min(...all.map((p) => p[1]))) - 1;\n    const maxX = Math.ceil(Math.max(...all.map((p) => p[0]))) + 1;\n    const maxY = Math.ceil(Math.max(...all.map((p) => p[1]))) + 1;\n    const local = (p: Point): Point => [p[0] - minX, p[1] - minY];\n    const C = CORNERS.map((k) => local(c[k]));\n    const E = ([\"t\", \"r\", \"b\", \"l\"] as Edge[]).map((k) => local(edges[k]));\n    const len = (a: Point, b: Point) => Math.hypot(b[0] - a[0], b[1] - a[1]) || 1;\n    const toward = (a: Point, b: Point, d: number): Point => {\n      const l = len(a, b);\n      return [a[0] + ((b[0] - a[0]) / l) * d, a[1] + ((b[1] - a[1]) / l) * d];\n    };\n    // each corner backs off its radius along both of its real edges and turns through the corner itself, so a sheared\n    // shape never folds over; each edge bows through its midpoint\n    // a moving drop is round: corners grow toward a capsule while the shape is stretched or far from home\n    const away = Math.max(w / target.w - 1, h / target.h - 1, 0);\n    const round = mech.front > 0 ? Math.min(1, away * 2.5) : 0;\n    const r = radius + (Math.min(w, h) / 2 - radius) * Math.max(0, round);\n    const rr = C.map((p, i) => Math.min(r, len(p, C[(i + 1) % 4]) / 2.2, len(p, C[(i + 3) % 4]) / 2.2));\n    const into = C.map((p, i) => toward(p, C[(i + 3) % 4], rr[i]));\n    const out = C.map((p, i) => toward(p, C[(i + 1) % 4], rr[i]));\n    const through = (a: Point, m: Point, b: Point): Point => [\n      2 * m[0] - (a[0] + b[0]) / 2,\n      2 * m[1] - (a[1] + b[1]) / 2,\n    ];\n    const f = (p: Point) => `${p[0].toFixed(1)} ${p[1].toFixed(1)}`;\n    let d = `M${f(out[0])}`;\n    for (let i = 0; i < 4; i++) {\n      const j = (i + 1) % 4;\n      // an edge the rounded corners have nearly used up can only bow a little, or its middle would point\n      const a = out[i];\n      const b = into[j];\n      const chord: Point = [(a[0] + b[0]) / 2, (a[1] + b[1]) / 2];\n      const bow: Point = [E[i][0] - chord[0], E[i][1] - chord[1]];\n      const most = len(a, b) * 0.18;\n      const bowLen = Math.hypot(bow[0], bow[1]);\n      const m: Point =\n        bowLen > most ? [chord[0] + (bow[0] / bowLen) * most, chord[1] + (bow[1] / bowLen) * most] : E[i];\n      d += ` Q${f(through(a, m, b))} ${f(b)} Q${f(C[j])} ${f(out[j])}`;\n    }\n    el.style.transform = `translate(${minX}px, ${minY}px)`;\n    el.style.width = `${maxX - minX}px`;\n    el.style.height = `${maxY - minY}px`;\n    el.style.clipPath = `path(\"${d}Z\")`;\n    rim(`${d}Z`, maxX - minX, maxY - minY);\n  };\n\n  const advance = (dt: number) => {\n    if (!pos || !target || !el.isConnected) return (running = false);\n    const goal = cornersOf(target);\n    let busy = false;\n    for (const k of CORNERS) {\n      const p = pos[k];\n      const v = vel[k];\n      const g = goal[k];\n      const dx = g[0] - p[0];\n      const dy = g[1] - p[1];\n      const dist = Math.hypot(dx, dy);\n      // -1 … 1: how squarely this corner faces the way it is going\n      const along = dist > 0.5 ? (OUT[k][0] * dx + OUT[k][1] * dy) / (dist * Math.SQRT2) : 0;\n      const t = response * (1 + mech.spread * 0.4 - mech.spread * along);\n      for (const a of [0, 1] as const) {\n        [p[a], v[a]] = step(p[a], v[a], g[a], t, dt);\n        if (Math.abs(p[a] - g[a]) > 0.2 || Math.abs(v[a]) > 4) busy = true;\n      }\n    }\n    const now = midsOf(pos);\n    const aim = midsOf(goal);\n    for (const k of EDGES) {\n      for (const a of [0, 1] as const)\n        [mid[k][a], midVel[k][a]] = step(mid[k][a], midVel[k][a], aim[k][a], response * 0.75, dt);\n      // the lead is a few pixels at most, and never more than a fraction of the edge or of the shape's depth\n      const across = k === \"t\" || k === \"b\" ? target.h : target.w;\n      const edge =\n        k === \"t\" ? [pos.tl, pos.tr] : k === \"b\" ? [pos.br, pos.bl] : k === \"l\" ? [pos.bl, pos.tl] : [pos.tr, pos.br];\n      const limit = Math.min(\n        mech.front,\n        across * 0.3,\n        Math.hypot(edge[1][0] - edge[0][0], edge[1][1] - edge[0][1]) * 0.15,\n      );\n      // edges only ever bulge outward: the front rounds out, the tail stays smooth instead of curling in\n      let ox = mid[k][0] - now[k][0];\n      let oy = mid[k][1] - now[k][1];\n      const [nx, ny] = NORMAL[k];\n      const inward = ox * nx + oy * ny;\n      if (inward < 0) {\n        ox -= inward * nx;\n        oy -= inward * ny;\n        mid[k][0] = now[k][0] + ox;\n        mid[k][1] = now[k][1] + oy;\n      }\n      const off = Math.hypot(ox, oy);\n      if (off > limit) {\n        mid[k][0] = now[k][0] + (ox / off) * limit;\n        mid[k][1] = now[k][1] + (oy / off) * limit;\n      }\n      if (Math.abs(mid[k][0] - aim[k][0]) > 0.2 || Math.abs(mid[k][1] - aim[k][1]) > 0.2) busy = true;\n    }\n    if (!busy) {\n      pos = goal;\n      vel = zero(CORNERS);\n      mid = midsOf(goal);\n      midVel = zero(EDGES);\n      rest();\n      return (running = false);\n    }\n    draw();\n    return true;\n  };\n\n  const contour: Contour = {\n    to(box, options) {\n      const same = target && target.x === box.x && target.y === box.y && target.w === box.w && target.h === box.h;\n      if (same && !options?.instant) return;\n      target = { ...box };\n      const style = getComputedStyle(el);\n      const r = style.borderTopLeftRadius;\n      radius = r.endsWith(\"%\") ? (Number.parseFloat(r) / 100) * Math.min(box.w, box.h) : Number.parseFloat(r) || 0;\n      mech = {\n        spread: num(style, \"--m-morph-spread\", 0.35),\n        front: num(style, \"--m-morph-front\", 6),\n        waist: num(style, \"--m-morph-waist\", 0.18),\n        weight: num(style, \"--m-morph-weight\", 1),\n        rim: style.getPropertyValue(\"--m-morph-rim\").trim() || \"none\",\n        rimWidth: num(style, \"--m-morph-rim-width\", 1),\n      };\n      const factor = readMotionFactor(el);\n      response = BASE_RESPONSE * mech.weight * factor;\n      // first placement, reduced motion, or a hidden surface: be there, with nothing to watch\n      if (!pos || options?.instant || factor < 0.05 || !el.getClientRects().length) {\n        pos = cornersOf(target);\n        vel = zero(CORNERS);\n        mid = midsOf(pos);\n        midVel = zero(EDGES);\n        moving.delete(advance);\n        running = false;\n        rest();\n        return;\n      }\n      el.dataset.morphing = \"\";\n      if (!running) {\n        running = true;\n        run(advance);\n      }\n    },\n    destroy() {\n      moving.delete(advance);\n      running = false;\n      if (target) rest();\n    },\n  };\n  contours.set(el, contour);\n  return contour;\n}\n"},{"path":"beamline/lib/gesture.ts","type":"registry:file","target":"src/ui/beamline/lib/gesture.ts","content":"import { readMotionFactor } from \"./motion-tokens\";\n\n/**\n * The arithmetic of a hand on a part, shared by every part that is dragged, thrown or pulled (useDrag is the pointer\n * side). Three pieces, each from how real interfaces feel (Apple, \"Designing Fluid Interfaces\", WWDC 2018):\n *\n * - velocity: read from the last ~100 ms of movement, so the release carries the speed of the flick, not of the whole drag;\n * - projection: where a thrown thing would come to rest if it slid on with the look's carry (`project`), so a part\n *   can decide on release (the nearest value, step or preset to that point) instead of after an animation;\n * - give: past a limit the part follows the hand less and less (`rubberband`) instead of stopping dead, and springs back.\n *\n * How much a part carries and gives is the look's material, read once per gesture from the element (`readHand`):\n * `--m-hand-carry`, `--m-hand-give` and `--m-hand-bounce` (preset-source.css), with `--m-morph-weight` scaling how\n * long things take to settle (times a motion token's duration, which carries the speed setting). Reduced motion\n * carries nothing, gives nothing and never bounces.\n */\n\nexport interface Hand {\n  /** How far a release carries: 0 stops where the hand let go, 1 slides on freely (see `project`). */\n  carry: number;\n  /** How much a part follows the hand past a limit: 0 is a hard stop, 0.55 a phone's rubber band. */\n  give: number;\n  /** Bounce of a released held object (0 critically damped). Only for what the pointer held. */\n  bounce: number;\n  /** The look's weight (`--m-morph-weight`): multiply a motion token's duration by it. The token already carries the\n   *  speed setting, so the weight never does. */\n  weight: number;\n  /** Reduced or no motion: land at once. */\n  reduced: boolean;\n}\n\n/** The hand the defaults describe; also what a server or a test without styles gets. */\nexport const DEFAULT_HAND: Hand = { carry: 0.8, give: 0.45, bounce: 0.14, weight: 1, reduced: false };\n\nconst num = (style: CSSStyleDeclaration, name: string, fallback: number) => {\n  const v = Number.parseFloat(style.getPropertyValue(name));\n  return Number.isFinite(v) ? v : fallback;\n};\n\n/** The look's physics at `el`, read once at the start of a gesture (never per frame). */\nexport function readHand(el: Element | null | undefined): Hand {\n  if (!el || typeof getComputedStyle === \"undefined\") return DEFAULT_HAND;\n  const style = getComputedStyle(el);\n  const factor = readMotionFactor(el);\n  // the motion factor is ~0.005 under reduced motion and 1 at the foundation default\n  const reduced = factor < 0.05;\n  if (reduced) return { carry: 0, give: 0, bounce: 0, weight: 1, reduced: true };\n  return {\n    carry: num(style, \"--m-hand-carry\", DEFAULT_HAND.carry),\n    give: num(style, \"--m-hand-give\", DEFAULT_HAND.give),\n    bounce: num(style, \"--m-hand-bounce\", DEFAULT_HAND.bounce),\n    weight: num(style, \"--m-morph-weight\", 1),\n    reduced: false,\n  };\n}\n\n/** Samples of a pointer's path, kept for the last `window` ms, to read its velocity at release. */\nexport class VelocityTracker {\n  private samples: { t: number; x: number; y: number }[] = [];\n  // a declared field, not a parameter property: shipped source must also compile under erasableSyntaxOnly (Vite's\n  // TypeScript template turns it on), where TypeScript-only syntax with runtime meaning is refused\n  private readonly window: number;\n  constructor(window = 100) {\n    this.window = window;\n  }\n\n  add(t: number, x: number, y: number) {\n    this.samples.push({ t, x, y });\n    const from = t - this.window;\n    while (this.samples.length > 2 && this.samples[0].t < from) this.samples.shift();\n  }\n\n  /** Units per second over the kept window; 0 when the hand stopped before letting go (a pause of more than the window). */\n  velocity(now = this.samples.at(-1)?.t ?? 0): [number, number] {\n    const s = this.samples.filter((p) => p.t >= now - this.window);\n    if (s.length < 2) return [0, 0];\n    // least squares slope over the window: one jittery last sample does not decide the throw\n    const n = s.length;\n    const mt = s.reduce((a, p) => a + p.t, 0) / n;\n    const mx = s.reduce((a, p) => a + p.x, 0) / n;\n    const my = s.reduce((a, p) => a + p.y, 0) / n;\n    let tt = 0;\n    let tx = 0;\n    let ty = 0;\n    for (const p of s) {\n      tt += (p.t - mt) ** 2;\n      tx += (p.t - mt) * (p.x - mx);\n      ty += (p.t - mt) * (p.y - my);\n    }\n    if (tt === 0) return [0, 0];\n    return [(tx / tt) * 1000, (ty / tt) * 1000];\n  }\n\n  reset() {\n    this.samples = [];\n  }\n}\n\n/**\n * How far something released at `velocity` (units/s) slides before friction stops it, with the look's carry. `rate` is\n * the speed kept per millisecond: 0.99 (the default) suits controls on a short scale (a thumb, a puck, a cut), where a\n * flick should carry a little way; 0.998 is a phone list's deceleration, for long scrolling content.\n */\nexport function project(velocity: number, carry: number, rate = 0.99): number {\n  if (carry <= 0) return 0;\n  return (((velocity / 1000) * rate) / (1 - rate)) * carry;\n}\n\n/**\n * Where a part drawn `overshoot` units past its limit sits, given the room `extent` it moves in: it follows less and\n * less the further it goes and never reaches `extent`. `give` 0 is a hard stop.\n */\nexport function rubberband(overshoot: number, extent: number, give: number): number {\n  if (give <= 0 || extent <= 0) return 0;\n  const sign = Math.sign(overshoot);\n  const x = Math.abs(overshoot);\n  return sign * (1 - 1 / ((x * give) / extent + 1)) * extent;\n}\n\n/** `value` held inside [min, max], with the part's give past either end. */\nexport function within(value: number, min: number, max: number, extent: number, give: number): number {\n  if (value < min) return min + rubberband(value - min, extent, give);\n  if (value > max) return max + rubberband(value - max, extent, give);\n  return value;\n}\n\n/** The nearest of `stops` to `value` (a projected landing point picks its step or preset this way). */\nexport function nearest(value: number, stops: readonly number[]): number {\n  let best = stops[0];\n  for (const s of stops) if (Math.abs(s - value) < Math.abs(best - value)) best = s;\n  return best;\n}\n"},{"path":"beamline/lib/utils.ts","type":"registry:file","target":"src/ui/beamline/lib/utils.ts","content":"import { clsx, type ClassValue } from \"clsx\";\nimport { extendTailwindMerge } from \"tailwind-merge\";\n\n/* The type roles (utilities.css) and the 2xs step are sizes, not text colours: without this, tailwind-merge reads\n   `text-overline` as a colour and drops it next to `text-ink-3`. A role and a size step still replace each other.\n   Likewise `font-title` is the look's title weight, not a family: read as a family it dropped `font-display` beside it,\n   and every merged page title lost the look's display face. */\nconst twMerge = extendTailwindMerge({\n  extend: {\n    classGroups: {\n      \"font-weight\": [{ font: [\"title\"] }],\n      \"font-family\": [{ font: [\"display\", \"numeric\", \"figure\"] }],\n      \"font-size\": [\n        {\n          text: [\n            \"2xs\",\n            \"display\",\n            \"title\",\n            \"heading\",\n            \"subheading\",\n            \"body\",\n            \"body-sm\",\n            \"reading\",\n            \"label\",\n            \"caption\",\n            \"overline\",\n            \"numeric\",\n            \"code\",\n          ],\n        },\n      ],\n    },\n  },\n});\n\n/** Merge class names, letting later Tailwind utilities win over earlier ones. */\nexport function cn(...inputs: ClassValue[]) {\n  return twMerge(clsx(inputs));\n}\n\n/** A small seeded random generator (LCG): the same seed gives the same sequence, for stable sample data and jitter. */\nexport function rng(seed = 1) {\n  let s = seed >>> 0 || 1;\n  return () => (s = (s * 1664525 + 1013904223) >>> 0) / 2 ** 32;\n}\n\nexport const clamp = (value: number, min: number, max: number) => Math.min(max, Math.max(min, value));\n"}],"docs":"Signature pad is in src/ui/beamline/components/signature-pad/signature-pad.tsx. The source is in src/ui/beamline (ui/beamline in a project without src/). After Tailwind, import its styles/beamline.css once, then styles/look-prism.css in your app stylesheet (use relative paths). Keep the shared base before all chosen looks. Wrap your app in <UIRoot preset={prism}> with UIRoot from its runtime/appearance and prism from its looks/prism.  shadcn replaces files when asked; use the Beamline managed-source CLI from the start for three-way upgrades that preserve edits.","meta":{"free":true,"version":"0.2.0-rc.42","library":"https://beamline.io/components/signature-pad"}}