{"$schema":"https://ui.shadcn.com/schema/registry-item.json","name":"segmented-control","type":"registry:component","title":"Segmented control","description":"Two to five views or ranges of the same content (1D / 1W / 1M, List / Board): a radio group whose raised thumb slides to the choice.","categories":["forms"],"dependencies":["@radix-ui/react-direction@1.1.4","@radix-ui/react-label@2.1.15","@radix-ui/react-select@2.3.7","@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/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/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/segmented-control/defaults.ts","type":"registry:file","target":"src/ui/beamline/components/segmented-control/defaults.ts","content":"/** Pure allowed presentation defaults for SegmentedControl; no component or runtime imports. */\nexport interface SegmentedControlDefaults {\n  /** Shared size setting; omit to inherit the surrounding scope or the component default. */\n  size?: \"sm\" | \"md\";\n}\n"},{"path":"beamline/components/segmented-control/messages.ts","type":"registry:file","target":"src/ui/beamline/components/segmented-control/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  chooseOne: \"Choose one\",\n} satisfies MessageDefinitions;\n"},{"path":"beamline/components/segmented-control/segmented-control.module.css","type":"registry:file","target":"src/ui/beamline/components/segmented-control/segmented-control.module.css","content":"@layer properties, theme, base, components, utilities;\n@layer components {\n  /* Segmented control: a well (the inset role of the look in force) with one raised thumb (the control role) that\n   slides to the chosen segment. The segments themselves are transparent text buttons on top. */\n  .root {\n    --pui-segment-height: 32px;\n    --pui-segment-pad: 12px;\n    position: relative;\n    isolation: isolate;\n    display: inline-flex;\n    align-items: center;\n    gap: var(--pui-space-0-5);\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    /* never wider than its room: what does not fit folds (segmented-control.tsx tries full, compact, icons, scroll) */\n    max-width: 100%;\n    min-width: 0;\n  }\n  .fill {\n    display: flex;\n    width: 100%;\n  }\n  /* As a form field the well carries the field's 1px ring (3:1 in every look), so an unanswered choice reads as a\n     control beside the inputs, and turns red with the field's error like they do. */\n  .root[data-field] {\n    box-shadow:\n      inset 0 0 0 1px var(--m-field-ring),\n      var(--m-inset-edge, 0 0 transparent);\n  }\n  .root[data-field][aria-invalid=\"true\"] {\n    box-shadow:\n      inset 0 0 0 1px var(--pui-red),\n      var(--m-inset-edge, 0 0 transparent);\n  }\n  .sm {\n    --pui-segment-height: 28px;\n    --pui-segment-pad: 10px;\n  }\n\n  /* placed and moved by the contour engine (ui/lib/contour.ts), which sets its box and, while it travels, its outline */\n  .thumb {\n    position: absolute;\n    z-index: -1;\n    top: 0;\n    left: 0;\n    border-radius: calc(var(--pui-radius-control) - 2px);\n  }\n\n  .segment {\n    position: relative;\n    flex-shrink: 0;\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    gap: var(--pui-space-1-5);\n    height: var(--pui-segment-height);\n    padding-inline: var(--pui-segment-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    white-space: nowrap;\n    transition:\n      color var(--pui-motion-out) var(--pui-ease-default),\n      scale var(--pui-motion-out) var(--pui-ease-default);\n  }\n  .sm .segment {\n    font-size: var(--pui-text-xs);\n  }\n  .fill .segment {\n    flex: 1;\n  }\n  /* compact: tighter segments, and accessories (a \"New\" badge) fold first */\n  .root[data-fold=\"compact\"],\n  .root[data-fold=\"words\"],\n  .root[data-fold=\"icons\"],\n  .root[data-fold=\"scroll\"] {\n    --pui-segment-pad: var(--pui-space-2);\n  }\n  .sm[data-fold=\"compact\"],\n  .sm[data-fold=\"words\"],\n  .sm[data-fold=\"icons\"],\n  .sm[data-fold=\"scroll\"] {\n    --pui-segment-pad: var(--pui-space-1-5);\n  }\n  .root:is([data-fold=\"compact\"], [data-fold=\"words\"], [data-fold=\"icons\"], [data-fold=\"scroll\"]) .accessory {\n    display: none;\n  }\n  /* words: the icons give way before the words, which carry the meaning (an icon is the segment's one unnamed part) */\n  .root[data-fold=\"words\"] .segment > :not([data-slot]) {\n    display: none;\n  }\n  /* icons: each segment a square; its words stay as its name for assistive tech and its tooltip */\n  .root[data-fold=\"icons\"] .segment {\n    width: var(--pui-segment-height);\n    padding-inline: 0;\n  }\n  .root[data-fold=\"icons\"] .label {\n    position: absolute;\n    width: 1px;\n    height: 1px;\n    overflow: hidden;\n    clip-path: inset(50%);\n    white-space: nowrap;\n  }\n  /* scroll: the row scrolls under soft edges (no bar), and the choice is kept in view; only an edge with more past it\n     fades (data-edge, kept by segmented-control.tsx), so the row says which way the rest lies */\n  .root[data-fold=\"scroll\"] {\n    --_fade-start: 0px;\n    --_fade-end: 0px;\n    overflow-x: auto;\n    overscroll-behavior-x: contain;\n    scrollbar-width: none; /* organism-allow: paint-recipe-copy -- a state selector cannot compose */\n    mask-image: linear-gradient(\n      to right,\n      transparent,\n      currentColor var(--_fade-start),\n      currentColor calc(100% - var(--_fade-end)),\n      transparent\n    );\n  }\n  .root[data-fold=\"scroll\"][data-edge~=\"start\"] {\n    --_fade-start: var(--pui-space-6);\n  }\n  .root[data-fold=\"scroll\"][data-edge~=\"end\"] {\n    --_fade-end: var(--pui-space-6);\n  }\n  .root[data-fold=\"scroll\"]:dir(rtl) {\n    --_fade-start: 0px;\n    --_fade-end: 0px;\n  }\n  .root[data-fold=\"scroll\"]:dir(rtl)[data-edge~=\"start\"] {\n    --_fade-end: var(--pui-space-6);\n  }\n  .root[data-fold=\"scroll\"]:dir(rtl)[data-edge~=\"end\"] {\n    --_fade-start: var(--pui-space-6);\n  }\n  .root[data-fold=\"scroll\"]::-webkit-scrollbar {\n    display: none;\n  }\n  /* select (a form field at its narrowest): the select below takes over; the segments stay laid out but unseen and take\n     no room (no height, and their gap given back), so a wider room can be measured and bring them back */\n  .root[data-fold=\"select\"] {\n    height: 0;\n    min-height: 0;\n    margin-block-start: calc(var(--pui-field-gap, 0px) * -1);\n    padding-block: 0;\n    overflow: hidden;\n    visibility: hidden;\n    box-shadow: none;\n  }\n  .label,\n  .accessory {\n    display: inline-flex;\n    align-items: center;\n  }\n  .segment:hover:not(:disabled),\n  .segment[aria-checked=\"true\"] {\n    color: var(--pui-ink);\n    transition-duration: 0ms;\n  }\n  /* a press is acknowledged at once on the words; the choice (and the thumb) follows on release */\n  .segment:active:not(:disabled) {\n    scale: var(--pui-press-scale);\n    transition-duration: 0ms;\n  }\n  .segment:disabled {\n    opacity: var(--pui-opacity-disabled);\n    pointer-events: none;\n  }\n  /* the whole group off: the well and its thumb dim once, as one control, with the choice still readable */\n  .root[data-disabled] {\n    opacity: var(--pui-opacity-disabled);\n  }\n  .root[data-disabled] .segment:disabled {\n    opacity: 1;\n  }\n  .segment :where(svg) {\n    width: var(--pui-icon-md);\n    height: var(--pui-icon-md);\n    flex-shrink: 0;\n  }\n}\n/* CSS-module composition only; visual rules stay in the component layer. */\n.root {\n  composes: m-inset from global;\n}\n.thumb {\n  composes: m-control from global;\n}\n"},{"path":"beamline/components/segmented-control/segmented-control.tsx","type":"registry:file","target":"src/ui/beamline/components/segmented-control/segmented-control.tsx","content":"\"use client\";\n\nimport { useMessages } from \"../../runtime/localization\";\nimport { english as englishMessages } from \"./messages\";\nimport { useDeprecatedProp } from \"../../hooks/use-deprecated-prop\";\n\nimport { useComponentDefaults } from \"../../runtime/appearance\";\nimport type { SegmentedControlDefaults } from \"./defaults\";\nexport type { SegmentedControlDefaults } from \"./defaults\";\n\nimport {\n  Fragment,\n  useLayoutEffect,\n  useRef,\n  useState,\n  type CSSProperties,\n  type Ref,\n  type KeyboardEvent,\n  type ReactNode,\n} from \"react\";\nimport { useComposedRef } from \"../../hooks/use-composed-ref\";\nimport { useIndicator } from \"../../hooks/use-indicator\";\nimport { useContour } from \"../../hooks/use-contour\";\nimport { cn } from \"../../lib/utils\";\nimport { useControllable } from \"../../hooks/use-controllable\";\nimport { ChoiceField, choiceIsField, type ChoiceFieldAria } from \"../_shared/field\";\nimport { Select } from \"../select/select\";\nimport { TextMorph } from \"../text-morph/text-morph\";\nimport { Tooltip } from \"../tooltip/tooltip\";\nimport styles from \"./segmented-control.module.css\";\n\nexport interface Segment {\n  /** Value represented by this item. Required. */\n  value: string;\n  /** Text displayed for this item. Required. */\n  label: string;\n  /** Icon element displayed with this item. Omitted by default. */\n  icon?: ReactNode;\n  /** Content after the label, such as a badge. */\n  accessory?: ReactNode;\n  /** A short note beside the label in a tinted chip, such as a saving (\"−20%\"); it folds with the accessories in a\n   *  narrow room. */\n  note?: string;\n  /** The note while this segment is chosen (\"Saving 20%\"): the letters it shares with `note` stay and the rest arrive,\n   *  so the choice reads as what it gains (a billing period: Monthly · Yearly −20%). */\n  activeNote?: string;\n  /** Whether this option is unavailable for selection. Omitted by default. */\n  disabled?: boolean;\n}\n\nexport type SegmentedControlClassNames = Partial<\n  Record<\"root\" | \"thumb\" | \"segment\" | \"note\" | \"field\" | \"label\" | \"description\" | \"error\", string>\n>;\n\n/** How the segments meet a room narrower than they are: full, compact (tighter, accessories folded), words (the icons\n *  give way, the words carry the meaning), icons only (when every segment has one), then, as a form field, a select listing every choice (a view switch in a toolbar scrolls\n *  instead, keeping the choice in view). The thumb travels in every fold but the select. */\ntype Fold = \"full\" | \"compact\" | \"words\" | \"icons\" | \"scroll\" | \"select\";\n\nconst segmentFor = (root: HTMLElement | null, value: string) =>\n  [...(root?.querySelectorAll<HTMLElement>(\"[data-slot=segmented-item]\") ?? [])].find(\n    (item) => item.getAttribute(\"data-value\") === value,\n  );\n\nexport interface SegmentedControlProps {\n  /** Available choices with their labels and values. Required. */\n  options: Segment[];\n  /** Controlled value of the chosen segment; omit to use defaultValue. */\n  value?: string;\n  /** Initial value of the chosen segment when uncontrolled. Defaults to the first option value. */\n  defaultValue?: string;\n  /** Reports value of the chosen segment after an edit; no callback by default. */\n  onValueChange?: (value: string) => void;\n  /** The group's name or question (\"Range\", \"View\", \"Gender\"), shown above it like every field's label; `hideLabel` keeps it for\n   *  assistive tech only (a view switch). */\n  label: string;\n  /** Lay it out as a form field (label above, description or error below). On unless the label is hidden and there is\n   *  no description, error or required mark. */\n  field?: boolean;\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 segments (makes it a field). */\n  description?: ReactNode;\n  /** The problem and its fix, e.g. a required choice not made (makes it a field and marks the group invalid). */\n  error?: ReactNode;\n  /** Marks the field's label as required (makes it a field). */\n  required?: boolean;\n  /** Submitted with a native form as name=value. */\n  name?: string;\n  /** Prevents interaction with every segment; the choice stays shown. Defaults to false. */\n  disabled?: boolean;\n  /** Runs when a segment is pointed at or focused, before it is chosen: prefetch its data. */\n  onOptionIntent?: (value: string) => void;\n  /** Control size within the supported size steps. Defaults to \"md\". */\n  size?: \"sm\" | \"md\";\n  /** Stretch to the container and share the width equally. */\n  fill?: boolean;\n  /** Show each segment's icon alone, as a square; its label stays the accessible name and the tooltip. */\n  iconOnly?: boolean;\n  /** Classes on the documented visual root; no override by default. */\n  className?: string;\n  /** Inline styles on the documented visual root; no inline overrides by default. */\n  style?: CSSProperties;\n  /** Reading direction; inherits the surrounding direction when omitted. Defaults to the surrounding reading direction. */\n  dir?: \"ltr\" | \"rtl\";\n  /** Receives the documented root element; no ref by default. */\n  ref?: Ref<HTMLDivElement>;\n  /** Classes for the named visual parts; no part overrides by default. */\n  classNames?: SegmentedControlClassNames;\n}\n\n/**\n * Two to five views or ranges of the same content: 1D / 1W / 1M, List / Board. One raised thumb slides to the chosen\n * segment as matter (ui/lib/contour.ts, shaped by the look): it leads, rounds its front and gathers, never bouncing. It is\n * a radio group: Tab enters at the chosen one, arrows move and choose; the choice is made at once, only the thumb settles.\n */\nexport function SegmentedControl({\n  options,\n  value: valueProp,\n  defaultValue,\n  onValueChange,\n  label,\n  field,\n  hideLabel: hideLabelProp,\n  showLabel,\n  description,\n  error,\n  required,\n  name,\n  disabled = false,\n  onOptionIntent,\n  size: sizeProp,\n  fill = false,\n  iconOnly = false,\n  className,\n  style,\n  dir,\n  ref,\n  classNames,\n}: SegmentedControlProps) {\n  const i18n = useMessages(\"segmented-control\", englishMessages);\n\n  useDeprecatedProp(\"SegmentedControl\", \"hideLabel\", \"showLabel={false}\", hideLabelProp !== undefined);\n  const hideLabel = showLabel === undefined ? hideLabelProp : !showLabel;\n  const scopeDefaults = useComponentDefaults<SegmentedControlDefaults>(\"segmented-control\", [\"size\"]);\n  const size = sizeProp ?? scopeDefaults.size ?? \"md\";\n\n  const [value, choose] = useControllable(valueProp, defaultValue ?? options[0]?.value, onValueChange);\n  const [root, thumb] = useIndicator<HTMLDivElement>(\"[role=radio][aria-checked=true]\", `${value}:${options.length}`);\n  const thumbRef = useContour<HTMLSpanElement>(thumb);\n  const rootRef = useComposedRef(root, ref);\n  // the room decides how much of each segment shows: every fold is tried in order on the control itself (an attribute,\n  // read before paint) and the first that fits is kept; a change of the room tries again from full, so it comes back\n  const [fold, setFold] = useState<Fold>(iconOnly ? \"icons\" : \"full\");\n  const refocus = useRef<string | undefined>(undefined);\n  const withTips = useRef(false);\n  useLayoutEffect(() => {\n    withTips.current = fold === \"icons\";\n    const el = root.current;\n    if (!el) return;\n    const v = refocus.current;\n    refocus.current = undefined;\n    if (v !== undefined) segmentFor(el, v)?.focus({ preventScroll: true });\n  }, [fold, root]);\n  const asField = choiceIsField(field, label, hideLabel, description != null || error != null || !!required);\n  const allIcons = options.length > 0 && options.every((o) => o.icon != null);\n  const someIcons = options.some((o) => o.icon != null);\n  const optionSet = options.map((o) => `${o.value}\\u0000${o.label}`).join(\"\\u0001\");\n  useLayoutEffect(() => {\n    const el = root.current;\n    if (!el) return;\n    const folds: Fold[] = iconOnly\n      ? [\"icons\"]\n      : allIcons\n        ? [\"full\", \"compact\", \"words\", \"icons\"]\n        : someIcons\n          ? [\"full\", \"compact\", \"words\"]\n          : [\"full\", \"compact\"];\n    const pick = () => {\n      // the thumb still stands where the last fold put it: out of the measure, so only the segments decide\n      const thumbEl = el.querySelector<HTMLElement>(\"[data-slot=segmented-thumb]\");\n      if (thumbEl) thumbEl.style.display = \"none\";\n      let chosen: Fold = asField ? \"select\" : \"scroll\";\n      for (const f of folds) {\n        el.dataset.fold = f;\n        if (el.scrollWidth <= el.clientWidth + 1) {\n          chosen = f;\n          break;\n        }\n      }\n      el.dataset.fold = chosen;\n      if (thumbEl) thumbEl.style.display = \"\";\n      // into or out of the icon fold the segments are mounted again (only there do they carry a tooltip): the one\n      // holding focus is noted, to be focused again where it now stands\n      const held = el.contains(document.activeElement)\n        ? (document.activeElement as HTMLElement).dataset.value\n        : undefined;\n      if (held !== undefined && (chosen === \"icons\") !== withTips.current) refocus.current = held;\n      setFold((f) => (f === chosen ? f : chosen));\n    };\n    // a scrolling row fades only the edges that have more past them, so the row says which way it goes on\n    const edges = () => {\n      const start = Math.abs(el.scrollLeft) > 1;\n      const end = Math.abs(el.scrollLeft) + el.clientWidth < el.scrollWidth - 1;\n      const v = el.dataset.fold === \"scroll\" ? [start && \"start\", end && \"end\"].filter(Boolean).join(\" \") : \"\";\n      if ((el.dataset.edge ?? \"\") !== v) el.dataset.edge = v;\n    };\n    const pickAndEdge = () => {\n      pick();\n      edges();\n    };\n    pickAndEdge();\n    el.addEventListener(\"scroll\", edges, { passive: true });\n    if (typeof ResizeObserver === \"undefined\") return () => el.removeEventListener(\"scroll\", edges);\n    // the room is the parent's; a pass waits for the next frame so its own change of width never loops back\n    let frame = 0;\n    const observer = new ResizeObserver(() => {\n      cancelAnimationFrame(frame);\n      frame = requestAnimationFrame(pickAndEdge);\n    });\n    if (el.parentElement) observer.observe(el.parentElement);\n    return () => {\n      observer.disconnect();\n      cancelAnimationFrame(frame);\n      el.removeEventListener(\"scroll\", edges);\n    };\n  }, [root, optionSet, iconOnly, allIcons, someIcons, size, fill, asField]);\n  // folded into a scrolling row, the choice is kept in view\n  useLayoutEffect(() => {\n    const el = root.current;\n    if (fold !== \"scroll\" || !el) return;\n    const on = el.querySelector<HTMLElement>(\"[role=radio][aria-checked=true]\");\n    if (!on) return;\n    // by how far its centre is from the row's centre, which reads the same in a right-to-left row\n    const a = on.getBoundingClientRect();\n    const b = el.getBoundingClientRect();\n    el.scrollBy({ left: a.left + a.width / 2 - (b.left + b.width / 2), behavior: \"instant\" as ScrollBehavior });\n  }, [fold, value, root]);\n  const enabled = disabled ? [] : options.filter((o) => !o.disabled);\n  const onKey = (e: KeyboardEvent<HTMLDivElement>) => {\n    const rtl = getComputedStyle(e.currentTarget).direction === \"rtl\";\n    const dir = { ArrowRight: rtl ? -1 : 1, ArrowDown: 1, ArrowLeft: rtl ? 1 : -1, ArrowUp: -1 }[e.key];\n    let next: Segment | undefined;\n    if (dir) {\n      const i = enabled.findIndex((o) => o.value === value);\n      next = enabled[(i + dir + enabled.length) % enabled.length];\n    } else if (e.key === \"Home\") next = enabled[0];\n    else if (e.key === \"End\") next = enabled.at(-1);\n    if (!next) return;\n    e.preventDefault();\n    choose(next.value);\n    segmentFor(root.current, next.value)?.focus();\n  };\n  const chosenAny = options.some((o) => o.value === value);\n  const control = (aria?: ChoiceFieldAria) => (\n    <div\n      ref={rootRef}\n      dir={dir}\n      style={asField ? undefined : style}\n      role=\"radiogroup\"\n      aria-label={aria ? undefined : label}\n      aria-required={required || undefined}\n      aria-disabled={disabled || undefined}\n      {...aria}\n      data-disabled={disabled ? \"\" : undefined}\n      data-field={asField ? \"\" : undefined}\n      data-slot=\"segmented-control\"\n      data-size={size}\n      data-fold={fold}\n      // folded into a select, the segments stay laid out (unseen, out of reach) only so the room can be measured\n      aria-hidden={fold === \"select\" || undefined}\n      inert={fold === \"select\" || undefined}\n      onKeyDown={onKey}\n      className={cn(\n        styles.root,\n        size === \"sm\" && styles.sm,\n        fill && styles.fill,\n\n        // inside a field's grid the control keeps its own width unless it fills\n        asField && !fill && \"self-start justify-self-start\",\n        classNames?.root,\n        !asField && className,\n      )}\n    >\n      {name && <input type=\"hidden\" name={name} value={value ?? \"\"} />}\n      {thumb && (\n        <span ref={thumbRef} aria-hidden data-slot=\"segmented-thumb\" className={cn(styles.thumb, classNames?.thumb)} />\n      )}\n      {options.map((o) => {\n        const on = o.value === value;\n        const segment = (\n          <button\n            type=\"button\"\n            role=\"radio\"\n            aria-checked={on}\n            data-value={o.value}\n            disabled={disabled || o.disabled}\n            // with nothing chosen yet (a required form choice) the first enabled segment takes Tab\n            tabIndex={on || (!chosenAny && o.value === enabled[0]?.value) ? 0 : -1}\n            data-slot=\"segmented-item\"\n            // until the thumb is first placed (a page drawn on a server), the chosen segment wears its paint itself\n            className={cn(styles.segment, on && !thumb && \"m-control\", classNames?.segment)}\n            onClick={() => choose(o.value)}\n            onPointerEnter={() => onOptionIntent?.(o.value)}\n            onFocus={() => onOptionIntent?.(o.value)}\n          >\n            {o.icon}\n            {/* folded to icons the words stay: the segment's name for assistive tech and its tooltip */}\n            <span data-slot=\"segmented-label\" className={styles.label}>\n              {o.label}\n            </span>\n            {(on ? (o.activeNote ?? o.note) : o.note) && (\n              <span\n                data-slot=\"segmented-note\"\n                className={cn(\n                  styles.accessory,\n                  \"inline-grid h-4.5 place-items-center rounded-pill bg-green-tint px-1.5 text-2xs leading-none font-medium text-green\",\n                  classNames?.note,\n                )}\n              >\n                <TextMorph>{(on ? (o.activeNote ?? o.note) : o.note) as string}</TextMorph>\n              </span>\n            )}\n            {o.accessory != null && (\n              <span data-slot=\"segmented-accessory\" className={styles.accessory}>\n                {o.accessory}\n              </span>\n            )}\n          </button>\n        );\n        // folded to icons, a segment names itself in the system tooltip; in every other fold it carries none, since a\n        // closed tooltip on each segment re-rendered with the control (on the landing: 689 renders more at load)\n        return fold === \"icons\" ? (\n          <Tooltip key={o.value} content={o.label}>\n            {segment}\n          </Tooltip>\n        ) : (\n          <Fragment key={o.value}>{segment}</Fragment>\n        );\n      })}\n    </div>\n  );\n  if (!asField) return control();\n  // the select comes first, so in a split form it takes the control's place beside the label; the measured segments\n  // keep their position among the children (and their state) in every fold\n  const narrowest = (aria: ChoiceFieldAria) => (\n    <>\n      {fold === \"select\" && (\n        <Select\n          label={label}\n          showLabel={false}\n          placeholder={i18n(\"chooseOne\")}\n          required={required}\n          size={size === \"sm\" ? \"sm\" : \"md\"}\n          value={value}\n          disabled={disabled}\n          onValueChange={choose}\n          options={options.map((o) => ({ value: o.value, label: o.label, icon: o.icon, disabled: o.disabled }))}\n          className=\"animate-enter-fade\"\n        />\n      )}\n      {control(aria)}\n    </>\n  );\n  return (\n    <ChoiceField\n      slot=\"segmented-control-field\"\n      label={label}\n      hideLabel={hideLabel}\n      required={required}\n      requiredOnControl\n      description={description}\n      error={error}\n      className={cn(classNames?.field, className)}\n      style={style}\n      classNames={classNames}\n    >\n      {narrowest}\n    </ChoiceField>\n  );\n}\n\nexport default SegmentedControl;\n"},{"path":"beamline/components/select/defaults.ts","type":"registry:file","target":"src/ui/beamline/components/select/defaults.ts","content":"export interface SelectDefaults {\n  /** Shared size setting; omit to inherit the surrounding scope or the component default. */\n  size?: \"sm\" | \"md\" | \"lg\";\n}\n"},{"path":"beamline/components/select/messages.ts","type":"registry:file","target":"src/ui/beamline/components/select/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  placeholder: \"Select\",\n} satisfies MessageDefinitions;\n"},{"path":"beamline/components/select/select.module.css","type":"registry:file","target":"src/ui/beamline/components/select/select.module.css","content":"@layer properties, theme, base, components, utilities;\n@layer components {\n  /* The trigger is a field frame (paint, hover, focus edge, invalid, disabled at --pui-opacity-disabled all come from\n     _shared/field); it adds only what a button-like frame needs. */\n  .trigger {\n    width: 100%;\n    justify-content: space-between;\n    text-align: start;\n    cursor: pointer;\n  }\n  .trigger:focus-visible {\n    outline: none;\n  }\n  .trigger:disabled {\n    cursor: not-allowed;\n  }\n  .trigger[data-placeholder] {\n    color: var(--pui-ink-3);\n  }\n  /* the value line: label, then the detail on the same line or wrapped out of sight */\n  .value {\n    display: flex;\n    min-width: 0;\n    flex: 1;\n    flex-wrap: wrap;\n    align-items: baseline;\n    column-gap: var(--pui-space-2);\n    height: 1lh;\n    overflow: hidden;\n  }\n  .valueDetail {\n    color: var(--pui-ink-3);\n    font-size: var(--pui-text-xs);\n    white-space: nowrap;\n  }\n  .chevron {\n    flex-shrink: 0;\n    width: var(--pui-icon-md);\n    height: var(--pui-icon-md);\n    color: var(--pui-ink-3);\n  }\n\n  /* list rows: a detail at the end, the check after it at the inline end */\n  .detail {\n    flex-shrink: 0;\n    margin-inline-start: auto;\n    padding-inline-start: var(--pui-space-3);\n    color: var(--pui-ink-3);\n    font-size: var(--pui-text-xs);\n  }\n  .check {\n    position: absolute;\n    inset-inline-end: var(--pui-space-2);\n    display: inline-flex;\n  }\n  .check > svg {\n    color: var(--pui-accent);\n  }\n}\n"},{"path":"beamline/components/select/select.tsx","type":"registry:file","target":"src/ui/beamline/components/select/select.tsx","content":"\"use client\";\n\nimport { useMessages } from \"../../runtime/localization\";\nimport { english as englishMessages } from \"./messages\";\nimport { useDeprecatedProp } from \"../../hooks/use-deprecated-prop\";\n\nimport { Fragment, useRef, type CSSProperties, type ReactNode, type Ref } from \"react\";\nimport { FollowPlate } from \"../_shared/glide\";\nimport { Check, ChevronsUpDown } from \"lucide-react\";\nimport * as RadixSelect from \"@radix-ui/react-select\";\nimport { Field, useFieldIds, type FieldSize, type FieldClassNames } from \"../_shared/field\";\nimport { usePortalContainer, useComponentDefaults } from \"../../runtime/appearance\";\nimport type { SelectDefaults } from \"./defaults\";\nexport type { SelectDefaults } from \"./defaults\";\nimport { cn } from \"../../lib/utils\";\nimport { useControllable } from \"../../hooks/use-controllable\";\nimport field from \"../_shared/field.module.css\";\nimport overlay from \"../_shared/overlay.module.css\";\nimport styles from \"./select.module.css\";\n\nexport interface SelectOption {\n  /** Value represented by this item. Required. */\n  value: 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 short detail at the end of the row (an offset, a plan); the field shows it beside the chosen label while it has\n   *  room for it whole. */\n  description?: ReactNode;\n  /** Whether this option is unavailable for selection. Omitted by default. */\n  disabled?: boolean;\n}\nexport interface SelectGroup {\n  /** Text displayed for this item. Required. */\n  label: string;\n  /** Choices available for this question or field. Required. */\n  options: SelectOption[];\n}\n\nexport interface SelectProps {\n  /** Visible label or accessible name for the control. Required. */\n  label: ReactNode;\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  /** Supporting text beneath the label or heading. Defaults to no supporting text. */\n  description?: ReactNode;\n  /** Error message shown in place of the usual supporting text. Defaults to no error message. */\n  error?: ReactNode;\n  /** Text shown before a value is entered or selected. Defaults to \"Select\". */\n  placeholder?: string;\n  /** Options, or groups of options with a heading. */\n  options: (SelectOption | SelectGroup)[];\n  /** Controlled value of the chosen option; omit to use defaultValue. */\n  value?: string;\n  /** Initial value of the chosen option when uncontrolled. Defaults to no selected option. */\n  defaultValue?: string;\n  /** Reports value of the chosen option after an edit; no callback by default. */\n  onValueChange?: (value: string) => void;\n  /** Control size within the supported size steps. Defaults to \"md\". */\n  size?: FieldSize;\n  /** Prevents interaction with the control. Defaults to false. */\n  disabled?: boolean;\n  /** Marks the field as required for form submission. Defaults to false. */\n  required?: boolean;\n  /** Field name used in native form submission. Defaults to no form field name. */\n  name?: string;\n  /** DOM id used to connect the control and its label. Defaults to an automatically generated control id. */\n  id?: string;\n  /** Classes on the documented visual root; no override by default. */\n  className?: string;\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?: FieldClassNames &\n    Partial<Record<\"trigger\" | \"value\" | \"icon\" | \"list\" | \"viewport\" | \"item\" | \"groupLabel\" | \"separator\", string>>;\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  /** Receives the button or trigger; no ref by default. */\n  ref?: Ref<HTMLButtonElement>;\n}\n\nconst isGroup = (o: SelectOption | SelectGroup): o is SelectGroup => \"options\" in o;\n\n/** One choice from a short known list, in the same frame as every text field. Type to jump; the list opens under the\n *  field at its width. */\nexport function Select({\n  label,\n  hideLabel: hideLabelProp,\n  showLabel,\n  description,\n  error,\n  placeholder: placeholderProp,\n  options,\n  value,\n  defaultValue,\n  onValueChange,\n  size: sizeProp,\n  disabled,\n  required,\n  name,\n  id,\n  className,\n  classNames,\n  style,\n  open,\n  defaultOpen,\n  onOpenChange,\n  ref,\n}: SelectProps) {\n  const i18n = useMessages(\"select\", englishMessages);\n  const placeholder = placeholderProp === undefined ? i18n(\"placeholder\") : placeholderProp;\n\n  useDeprecatedProp(\"Select\", \"hideLabel\", \"showLabel={false}\", hideLabelProp !== undefined);\n  const hideLabel = showLabel === undefined ? hideLabelProp : !showLabel;\n  const defaults = useComponentDefaults<SelectDefaults>(\"select\", [\"size\"]);\n  const size = sizeProp ?? defaults.size ?? \"md\";\n  const { controlId, descriptionId, errorId, aria } = useFieldIds(id, { description, error });\n  const container = usePortalContainer();\n  const viewport = useRef<HTMLDivElement>(null);\n  // the choice, kept here too (Radix keeps its own), so the field can show the chosen option's detail\n  const [current, setCurrent] = useControllable(value, defaultValue, onValueChange);\n  const chosen = options.flatMap((o) => (isGroup(o) ? o.options : [o])).find((o) => o.value === current);\n  const item = (o: SelectOption) => (\n    <RadixSelect.Item\n      key={o.value}\n      value={o.value}\n      disabled={o.disabled}\n      data-menu-item=\"\"\n      data-glide=\"\"\n      data-slot=\"select-item\"\n      className={cn(overlay.item, \"pe-8\", classNames?.item)}\n    >\n      {o.icon}\n      <span className=\"min-w-0 truncate\">\n        <RadixSelect.ItemText>{o.label}</RadixSelect.ItemText>\n      </span>\n      {o.description && <span className={styles.detail}>{o.description}</span>}\n      <RadixSelect.ItemIndicator className={styles.check}>\n        <Check />\n      </RadixSelect.ItemIndicator>\n    </RadixSelect.Item>\n  );\n  return (\n    <Field\n      label={label}\n      hideLabel={hideLabel}\n      description={description}\n      error={error}\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      <RadixSelect.Root\n        open={open}\n        defaultOpen={defaultOpen}\n        onOpenChange={onOpenChange}\n        value={value}\n        defaultValue={defaultValue}\n        onValueChange={(v) => {\n          setCurrent(v);\n        }}\n        disabled={disabled}\n        required={required}\n        name={name}\n      >\n        <RadixSelect.Trigger\n          ref={ref}\n          data-slot=\"select\"\n          {...aria}\n          className={cn(field.frame, field[size], styles.trigger, classNames?.trigger)}\n          data-invalid={error ? \"\" : undefined}\n        >\n          {/* the label, then the chosen option's detail (UTC+3, Pro plan): the detail wraps out of sight (one line,\n              clipped) when the field is too narrow to show it whole, so a narrow field shows the label alone */}\n          <span data-slot=\"select-value\" className={cn(styles.value, classNames?.value)}>\n            <span className=\"max-w-full truncate\">\n              <RadixSelect.Value placeholder={placeholder} />\n            </span>\n            {chosen?.description && (\n              <span data-slot=\"select-detail\" className={styles.valueDetail}>\n                {chosen.description}\n              </span>\n            )}\n          </span>\n          <RadixSelect.Icon data-slot=\"select-icon\" className={classNames?.icon}>\n            <ChevronsUpDown className={styles.chevron} />\n          </RadixSelect.Icon>\n        </RadixSelect.Trigger>\n        {container !== null && (\n          <RadixSelect.Portal container={container}>\n            <RadixSelect.Content\n              data-slot=\"select-list\"\n              position=\"popper\"\n              sideOffset={6}\n              collisionPadding={8}\n              className={cn(\n                overlay.surface,\n                overlay.menu,\n                classNames?.list,\n                \"max-h-[min(360px,var(--radix-select-content-available-height))] w-[var(--radix-select-trigger-width)]\",\n              )}\n            >\n              <RadixSelect.Viewport\n                ref={viewport}\n                data-slot=\"select-viewport\"\n                className={cn(\"relative\", classNames?.viewport)}\n              >\n                <FollowPlate list={viewport} rows=\"[data-slot=select-item]\" />\n                {options.map((o, i) =>\n                  isGroup(o) ? (\n                    <Fragment key={o.label}>\n                      {i > 0 && (\n                        <RadixSelect.Separator\n                          data-slot=\"select-separator\"\n                          className={cn(overlay.separator, classNames?.separator)}\n                        />\n                      )}\n                      <RadixSelect.Group>\n                        <RadixSelect.Label\n                          data-slot=\"select-group-label\"\n                          className={cn(overlay.heading, classNames?.groupLabel)}\n                        >\n                          {o.label}\n                        </RadixSelect.Label>\n                        {o.options.map(item)}\n                      </RadixSelect.Group>\n                    </Fragment>\n                  ) : (\n                    item(o)\n                  ),\n                )}\n              </RadixSelect.Viewport>\n            </RadixSelect.Content>\n          </RadixSelect.Portal>\n        )}\n      </RadixSelect.Root>\n    </Field>\n  );\n}\n\nexport default Select;\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/text-morph/text-morph.tsx","type":"registry:file","target":"src/ui/beamline/components/text-morph/text-morph.tsx","content":"\"use client\";\n\nimport { useMemo, useRef, type CSSProperties, type Ref } from \"react\";\nimport { AnimatePresence, LayoutGroup, motion } from \"motion/react\";\nimport { useComposedRef } from \"../../hooks/use-composed-ref\";\nimport { useMotionTokens } from \"../../hooks/use-motion-tokens\";\nimport { useReducedMotionSafe } from \"../../hooks/use-reduced-motion-safe\";\nimport { useWidthMorph } from \"../../hooks/use-width-morph\";\nimport { cn } from \"../../lib/utils\";\n\nexport interface TextMorphClassNames {\n  /** Classes for the root part; no override by default. */\n  root?: string;\n  /** Classes for the letter part; no override by default. */\n  letter?: string;\n}\n\nexport interface TextMorphProps {\n  /** A short label; when it changes, letters it shares with the old one slide into place and the rest fade. */\n  children: string;\n  /** HTML element used for the text or container. Defaults to \"span\". */\n  as?: \"span\" | \"div\" | \"p\" | \"strong\" | \"h1\" | \"h2\" | \"h3\";\n  /** Classes on the documented visual root; no override by default. */\n  className?: string;\n  /** DOM id on the animated text root; omitted by default. */\n  id?: string;\n  /** Classes for the named visual parts; no part overrides by default. */\n  classNames?: TextMorphClassNames;\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<HTMLElement>;\n}\n\n/** A short label that becomes its next state letter by letter: shared letters glide, new ones arrive, old ones leave,\n *  and the label's width eases with them, so whatever sits after it (a button, a counter) glides instead of jumping.\n *  Reduced motion swaps the text. Assistive tech reads the label once, not the letters. */\nexport function TextMorph({ children, as = \"span\", className, classNames, style, ref, id }: TextMorphProps) {\n  const host = useRef<HTMLElement>(null);\n  const attach = useComposedRef(host, ref);\n  const motionTokens = useMotionTokens(host);\n  const managedReduced = useReducedMotionSafe();\n  const reduced = motionTokens.reduced || managedReduced;\n  const Tag = motion[as];\n  useWidthMorph(host, reduced ? null : children);\n  // key each letter by its character and how many times it has appeared so far, so repeats map in order\n  const letters = useMemo(() => {\n    const seen: Record<string, number> = {};\n    return [...children].map((ch) => {\n      seen[ch] = (seen[ch] ?? 0) + 1;\n      return { ch, key: `${ch}-${seen[ch]}` };\n    });\n  }, [children]);\n  // a script written right to left is joined letter to letter and can't be split into glyphs: it swaps whole, like\n  // reduced motion; everything else keeps its own left-to-right letter order even on a right-to-left page\n  const rtlScript = /[\\u0590-\\u08FF\\uFB1D-\\uFDFF\\uFE70-\\uFEFF]/.test(children);\n  if (reduced || rtlScript)\n    return (\n      <Tag ref={attach} id={id} data-slot=\"text-morph\" className={cn(classNames?.root, className)} style={style}>\n        {children}\n      </Tag>\n    );\n  return (\n    <Tag\n      ref={attach}\n      id={id}\n      data-slot=\"text-morph\"\n      aria-label={children}\n      dir=\"ltr\"\n      className={cn(\"inline-flex overflow-x-clip whitespace-pre\", classNames?.root, className)}\n      style={style}\n    >\n      <LayoutGroup>\n        <AnimatePresence mode=\"popLayout\" initial={false}>\n          {letters.map(({ ch, key }) => (\n            <motion.span\n              key={key}\n              aria-hidden\n              layout=\"position\"\n              // the letters move only when the text changes: a re-render with the same words (a scroll, a resize, a\n              // parent's update) leaves them still\n              layoutDependency={children}\n              data-slot=\"text-morph-letter\"\n              className={cn(\"inline-block\", classNames?.letter)}\n              initial={{ opacity: 0, filter: `blur(${motionTokens.blur.subtle}px)`, y: 3 }}\n              animate={{ opacity: 1, filter: \"blur(0px)\", y: 0 }}\n              exit={{ opacity: 0, filter: `blur(${motionTokens.blur.subtle}px)`, y: -3 }}\n              transition={motionTokens.spring.morph}\n            >\n              {ch === \" \" ? \" \" : ch}\n            </motion.span>\n          ))}\n        </AnimatePresence>\n      </LayoutGroup>\n    </Tag>\n  );\n}\n\nexport default TextMorph;\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-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-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/hooks/use-width-morph.ts","type":"registry:file","target":"src/ui/beamline/hooks/use-width-morph.ts","content":"\"use client\";\n\nimport { useLayoutEffect, useRef, type RefObject } from \"react\";\nimport { useMotionTokens } from \"./use-motion-tokens\";\nimport { cssEase } from \"../lib/motion-tokens\";\n\n/**\n * A label whose text changes keeps its path: when `key` changes, the element's width eases from what it was to what the\n * new text needs, so whatever sits after it (a chevron, a counter) glides instead of jumping. The element clips while it\n * eases (give it `overflow-clip whitespace-nowrap`). Nothing runs at rest; reduced motion and motion \"none\" switch at\n * once, and so does a label off screen.\n */\nexport function useWidthMorph(ref: RefObject<HTMLElement | null>, key: unknown) {\n  const motion = useMotionTokens(ref);\n  const last = useRef<number | null>(null);\n  const easing = useRef<Animation | null>(null);\n  // the width it last rested at, kept current when it changes on its own (a web font arriving) so the next ease starts\n  // where the label really is; the ease's own frames are not a resting width\n  useLayoutEffect(() => {\n    const el = ref.current;\n    if (!el || typeof ResizeObserver === \"undefined\") return;\n    const observer = new ResizeObserver(() => {\n      if (!easing.current) last.current = el.getBoundingClientRect().width;\n    });\n    observer.observe(el);\n    return () => observer.disconnect();\n  }, [ref]);\n  useLayoutEffect(() => {\n    const el = ref.current;\n    if (!el) return;\n    // mid-way through an earlier change, it starts from where it is now, not from where that change was going\n    const from = easing.current ? el.getBoundingClientRect().width : last.current;\n    easing.current?.cancel();\n    easing.current = null;\n    const box = el.getBoundingClientRect();\n    const to = box.width;\n    last.current = to;\n    const ms = motion.duration.morph * 1000;\n    if (from === null || Math.abs(from - to) < 0.5 || motion.reduced || ms < 2) return;\n    // off screen nobody sees the glide: the label takes its width at once and no frame is spent on it\n    if (box.bottom < 0 || box.top > innerHeight || box.right < 0 || box.left > innerWidth) return;\n    const ease = motion.ease.default;\n    // pixel to pixel: a Web Animations keyframe to \"auto\" (with interpolate-size, or calc-size) jumps straight to the\n    // end in Chromium 153 instead of easing (measured: 537 of 537 px at 300 of 1000 ms); a late change of the natural\n    // width is caught by the observer above when the ease ends\n    const animation = el.animate([{ width: `${from}px` }, { width: `${to}px` }], {\n      duration: ms,\n      // even in and out: the glide never moves a neighbour more than a pixel or two in one frame\n      easing: cssEase(ease, \"ease-in-out\"),\n    });\n    easing.current = animation;\n    void animation.finished.then(\n      () => {\n        if (easing.current !== animation) return;\n        easing.current = null;\n        last.current = el.getBoundingClientRect().width;\n      },\n      () => {},\n    );\n  }, [key]); // eslint-disable-line react-hooks/exhaustive-deps -- eases on a change of the text it stands for\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/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":"Segmented control is in src/ui/beamline/components/segmented-control/segmented-control.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/segmented-control"}}