Chat sidebar: nest sessions into a parent→children tree (drag-and-drop) - #305
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arsenmuk wants to merge 2 commits into
Open
Chat sidebar: nest sessions into a parent→children tree (drag-and-drop)#305arsenmuk wants to merge 2 commits into
arsenmuk wants to merge 2 commits into
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Reuse the existing sessions.parent_session_id column (v003) as a display
hierarchy: drag one session row onto another to nest it as a child. A parent
shows an expand/collapse chevron in place of its icon and its children render
indented — unbounded depth, the client draws exactly the hierarchy the server
returns. Children nest wherever the parent renders, including the pinned
Starred group. Archived/System stay in their own groups, untouched.
Un-parent via the row menu "Remove from parent" or by dropping a nested row
onto the "remove from parent" strip that appears while dragging one. Expand
state persists in localStorage; the active session's ancestors auto-expand so
it is never hidden inside a collapsed parent.
Backend: PATCH /api/sessions/{id} now accepts parent_session_id (null clears
it), guarded against self-parent, unknown parent, cycles, and the 'created'
fork window so a display drag never turns a not-yet-started session into a
fork. parent_session_id already rides in the feed payload (SELECT *), so an
unlimited page size shows the full tree.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Mirror the GroupHeader counter — a collapsed parent row badges its direct-child count (faint, right of the title), hidden again once expanded. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Adds a parent→children hierarchy to the chat session sidebar, built on the existing
sessions.parent_session_idcolumn (no schema change).What you can do
localStorage; the active session's ancestors auto-expand so it's never hidden. Existing forks (which already setparent_session_id) nest automatically.Server
PATCH /api/sessions/{id}now acceptsparent_session_id(nullclears it → top-level), guarded against self-parent, unknown parent, cycles, and thecreatedfork window so a display drag can never turn a not-yet-started session into a fork.Drag-and-drop uses native HTML5 DnD (no new dependency). Tests:
tests/test_session_parent_patch.py(set / clear / self / unknown / cycle / fork-window / deep-chain); frontendtsc -b+ build clean.Stacked on #269 (its branch is this PR's base until it merges).
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