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multica/packages/views
Naiyuan Qing 8ff312dbe9 feat(editor): accept highlighted composer suggestion on Tab (MUL-3685) (#4570)
* feat(editor): accept highlighted composer suggestion on Tab

Plain Tab now accepts the highlighted mention / slash-command suggestion,
matching Enter, across every composer built on the shared TipTap editor
(chat, issue description, comment/reply). A single shared isPickerAcceptKey
predicate centralizes the accept-key policy so the two picker lists stay in
sync instead of each re-deciding what counts as accept.

Shift+Tab and Ctrl/Cmd/Alt+Tab are intentionally NOT accept keys, so reverse
focus navigation and OS window switching are preserved. When no picker is
open, Tab keeps its existing behavior (list indent / focus traversal).

Adds unit coverage for both picker lists plus a plugin-order guard that fires
Tab through real ProseMirror dispatch with the caret inside a list item,
proving the suggestion layer outranks PatchedListItem's Tab -> sinkListItem.

Scope: web/desktop shared composer only; mobile and the generic combobox are
untouched.

Refs: MUL-3685

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Co-authored-by: multica-agent <github@multica.ai>

* test(editor): make Tab/list-item priority guard actually exercise sinkListItem

The guard placed the caret in the first (only) bullet item, where
sinkListItem is a no-op (no preceding sibling to nest under), so the test
passed regardless of whether the suggestion layer intercepted Tab. Rebuild
the fixture as a two-item list with the caret in the SECOND item, where
Tab -> sinkListItem can fire, and add a sanity control proving a bare Tab
(no picker) does sink that item — so the accept-wins assertion is meaningful.

Production code unchanged.

Refs: MUL-3685

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Co-authored-by: multica-agent <github@multica.ai>

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Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
Co-authored-by: multica-agent <github@multica.ai>
2026-06-25 16:59:47 +08:00
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