Enhance the timeline command with two major improvements:
1. Entity-direct seeding syntax (bypass search):
lore timeline issue:42 # Timeline for specific issue
lore timeline i:42 # Short form
lore timeline mr:99 # Timeline for specific MR
lore timeline m:99 # Short form
This directly resolves the entity and gathers ALL its discussions without
requiring search/embedding. Useful when you know exactly which entity you want.
2. Round-robin evidence note selection:
Previously, evidence notes were taken in FTS rank order, which could result
in all notes coming from a single high-traffic discussion. Now we:
- Fetch 5x the requested limit (or minimum 50)
- Group notes by discussion_id
- Select round-robin across discussions
- This ensures diverse evidence from multiple conversations
API changes:
- Renamed total_events_before_limit -> total_filtered_events (clearer semantics)
- Added resolve_entity_by_iid() in timeline.rs for IID-based entity resolution
- Added seed_timeline_direct() in timeline_seed.rs for search-free seeding
- Added round_robin_select_by_discussion() helper function
The entity-direct mode uses search_mode: "direct" to distinguish from
"hybrid" or "lexical" search modes in the response metadata.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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