Grant skill points on floor clear, add allocation UI with [ ] keys
during exploration, apply SkillPower bonus to Mage Fireball and Healer
Heal, initialize skills for new players, and deep copy skills in
GetState.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Thread *rand.Rand through GenerateFloor, splitBSP, and RandomRoomType
so floors can be reproduced from a seed. This enables daily challenges
in Phase 3. All callers now create a local rng instance.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Replace log.Printf/Println with slog.Info/Error/Warn across the codebase.
Initialize slog with JSON handler in main.go. Add panic recovery defer
in SSH session handler. Add structured game event logging (room created,
player joined, game started, game over, player inactive removed).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Replace shallow struct copy with full deep copy of Players, Monsters,
Floor/Rooms, Inventory, Relics, ShopItems, and CombatLog slices so
concurrent readers via GetState never alias the combatLoop's live data.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>