Follow-up to commit 714ee373 (PickerShell extraction). Norm N-8 now
applied to every composite picker — date-picker, time-picker and
date-range-picker stop carrying their own Footer/Clear/Cancel/Close
duplicates and read the shared <PickerShell.Footer/Clear/Cancel/Close>
through `pickerShellContext`.
Soma changes
------------
- date-picker, time-picker, date-range-picker providers each gain a
`pickerShellHandle: PickerShellHandle` field exposing
`getMode/commit/cancel/clear`, and call
`pickerShellContext.set(this.pickerShellHandle)` in the constructor
so descendant Eidos shell parts can drive the picker.
Morfo changes
-------------
- Footer/Clear/Cancel/Close parts removed from each picker morfo.
The shared chrome lives outside the per-picker contract — its data
attrs are `[data-picker-footer/clear/cancel/close]` (no per-picker
prefix). Comment block in each morfo file documents the move.
Eidos changes
-------------
- Deleted 12 obsolete files:
src/uix/eidos/components/date-picker/date-picker-{footer,clear,cancel,close}.svelte
src/uix/eidos/components/time-picker/time-picker-{footer,clear,cancel,close}.svelte
src/uix/eidos/components/date-range-picker/date-range-picker-{footer,clear,cancel,close}.svelte
- Each picker's `index.ts` re-imports the 4 parts from
`../picker-shell/picker-shell-{footer,clear,cancel,close}.svelte`
so the public namespace stays `X.Footer / X.Clear / X.Cancel /
X.Close` — no breaking change for consumers.
- Each picker's `types.ts` re-exports `FooterProps/ClearProps/
CancelProps/CloseProps` from `../picker-shell`, replacing the stale
per-picker types that referenced soma popover Close props.
CSS changes
-----------
- Deleted ~190 lines of duplicated footer/clear/cancel/close rules
from date-picker.css, time-picker.css, date-range-picker.css. The
canonical `[data-picker-footer/clear/cancel/close]` rules in
picker-shell.css now style every picker uniformly.
- prefers-reduced-motion blocks pruned of the same selectors.
Public API
----------
Unchanged from a consumer perspective: `<DatePicker.Footer>`,
`<TimePicker.Clear>`, `<DateRangePicker.Close>`, etc. still resolve
to working components. The inner DOM markers change from
`[data-{x}-picker-footer]` to `[data-picker-footer]` — anyone with
custom CSS targeting the old selectors must migrate.
Checks
------
- 67/67 component-audit PASS
- 40/40 morfo:check PASS
- svelte-check 0 errors / 0 warnings
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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