feat: implement bot intelligence system with 8 archetypes and coaching
Add personality-driven bots with 8 archetypes (Nit, TAG, LAG, Maniac, Calling Station, Loose Fish, Old Man, Monster TAG) across 5 skill levels.
Includes:
- Three-layer decision pipeline (base strategy → personality filter → skill noise)
- Decision timer system with archetype-specific timeout defaults
- Observation tracking engine (VPIP, PFR, Fold-to-CBet, WTSD, bet sizing, timing tells)
- Player classification engine with weighted scoring and confidence scaling
- Table setup UI with visual seat editor and quick presets
- Info display system with 4 visibility levels
- Teaching coach with post-hand analysis and real-time suggestions
Archives bot-intelligence change and syncs all 8 delta specs to main specs.