* feat: unified item timeline with comment-on-update, threading, and reactions (IDEA-115)
Replace the separate Comments section and Version History modal on the
item detail page with a single chronological timeline that interleaves
comments, activities, and content versions.
Key changes:
- Add --comment flag to `pad item update` so agents/users can explain
status changes inline (creates a comment linked to the activity)
- Add threaded replies (parent_id on comments) with inline reply UI
- Add emoji reactions on comments (new comment_reactions table)
- New /timeline API endpoint merges comments, activities, and versions
server-side with dedup and collapsing of rapid edits
- New Svelte timeline components: ItemTimeline, TimelineCommentCard,
TimelineActivityCard, TimelineVersionCard, ReactionPicker
- Remove Implementation Notes and Decision Log inputs from web UI
- Update skill docs to encourage --comment on status changes
* fix: address review findings for PR #54 (iteration 1)
- Use ListItemVersions instead of ListVersions in timeline endpoint
so item content history renders correctly
- Add workspace validation to reply and reaction handlers to prevent
cross-workspace comment mutation
- Raise activity cap from 500 to 10000 to avoid silently truncating
long timelines
- Fix toggleReaction to always POST (idempotent) instead of incorrectly
matching other users' reactions for DELETE
- Await onReply promise before clearing draft to prevent duplicate
submissions and lost drafts on failure
- Register reaction_added/reaction_removed in SSE ITEM_EVENTS so
reactions from other sessions appear in real-time
Co-Authored-By: Claude <noreply@anthropic.com>
* fix: address review findings for PR #54 (iteration 2)
- Fix nil pointer dereference in timeline handler when item not found
- Store empty string instead of NULL for reaction user_id so UNIQUE
constraint works correctly in SQLite
- Add workspace validation to handleDeleteComment (cross-workspace
deletion was possible)
- Fix SKILL.md duplicate numbering (4. appeared twice)
- Remove || true debug artifacts from reaction conditionals
- Replace SvelteMap with plain Map in non-reactive groupReactions
- Use != null checks for timeline API params to handle offset=0
- Log warning on comment creation failure during item update
Co-Authored-By: Claude <noreply@anthropic.com>
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Co-authored-by: Claude <noreply@anthropic.com>
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