feat(tui): add session history rail - #49665
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14tuanluongk46 wants to merge 3 commits into
Open
14tuanluongk46 wants to merge 3 commits into
14tuanluongk46 wants to merge 3 commits into
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The following comment was made by an LLM, it may be inaccurate: The search results show that PR #49665 is the current PR being checked. The other PRs found are related to sidebar/rail features but appear to be distinct:
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sync.session.query() is a plain function, so the rail's browse resource never refetches on its own; sessions created after mount did not appear until the rail was remounted. Subscribe to session.created and refetch.
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Demo of the rail in action — animated walkthrough plus focused, search, delete confirm and after-delete states: 
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Issue for this PR
Closes #
Type of change
What does this PR do?
Adds a fixed, always-visible session history rail on the left side of the TUI, present on every route (home, session, plugin). It lists the current project's root sessions grouped by recency (Today / Yesterday / 7 days / Older), newest first, and supports both mouse (click a row to open it) and keyboard interaction: focus the rail with `j`, move with the existing dialog navigation keys, `/` to search, `ctrl+r` to rename, `ctrl+d` to delete with a two-press confirmation. Subagent and archived sessions are hidden, titles truncate on narrow terminals, and the existing right sidebar is unchanged.
The rail reuses the already-exported `createDialogSessionListQuery` / `loadDialogSessionList` helpers from `component/dialog-session-list.tsx`, so the rail and the existing session picker share one data path; the picker dialog itself is untouched. When focused, the rail pushes a `session_rail` mode onto the mode stack and blurs the editor so its keybinds can't leak into the session view. New keybind definitions live in `config/keybind.ts` (`session_rail_focus`, `session_rail_search`, `session_rail_unfocus`, `session_rail_delete`, `session_rail_rename`).
How did you verify your code works?
`bun typecheck` passes across all 30 packages in the monorepo, and the full TUI test suite passes (195 tests, 0 failures) including a new unit test for the recency grouping helper in `test/component/session-rail.test.ts`.
Screenshots / recordings
Demo recording and screenshots are attached in the comments below. Visually it is a 30-column panel with a panel background on the left edge, group headers in muted text, current session highlighted.
Checklist