⚡ Bolt: optimize SessionManager database efficiency#61
⚡ Bolt: optimize SessionManager database efficiency#61charles-forsyth wants to merge 1 commit intomainfrom
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This PR optimizes the `SessionManager` class to improve database efficiency, especially during recursive research tasks. 💡 What: - Optimized `list_sessions` to use a `LEFT JOIN` for fetching parent data, solving the N+1 query problem. - Batched `UPDATE` statements in `list_sessions` for crashed sessions. - Optimized `append_to_result` to use a single SQL `UPDATE` with concatenation (||). - Implemented a thread-safe initialization cache to avoid redundant migrations and pragmas. - Added database indexes for `interaction_id`, `parent_id`, and `updated_at`. 🎯 Why: Database round-trips were identified as a potential bottleneck during session management, particularly when many child sessions are created. 📊 Impact: - Listing N sessions now uses 1 SELECT query instead of N+1. - Appending to results now uses 1 query instead of 2. - Redundant initializations now use 0 queries. 🔬 Measurement: Verified with a custom query counting script and confirmed that all existing tests pass. Co-authored-by: charles-forsyth <54458298+charles-forsyth@users.noreply.github.com>
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Optimized SessionManager for database efficiency. Reduced query counts for session listing and updates. Added indexes and initialization caching.
PR created automatically by Jules for task 8524224429222575141 started by @charles-forsyth