97706dea7b
- New ai_desks table with CRUD (get_all/by_type/upsert/delete) - ai_desks router: REST API + GET /signal-catalog (7 extensible signals) - News Desk: semantic dedup via AI (±N days window, system_prompt hint) - Technical Desk: 4 signal detectors driven by desk config (ma_cross, rsi_extreme, bb_squeeze, new_52w_extreme) - 3 more signals in catalog ready to enable: price_gap, volume_spike, macd_crossover - market_event_detector.py loads desk configs at runtime, falls back to legacy params - AIDesks.tsx: full editor UI with signal toggles, param sliders, instrument multi-select - Sidebar: Bot icon + /ai-desks route Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>