feat: Implement basic bot AI for game actions including mulligan, playing lands, casting creatures, and declaring attackers.

docs/development/CENTRAL.md

@@ -5,3 +5,4 @@
 
 ## Devlog Index
 - [Enable Clear Session](./devlog/2025-12-20-014500_enable_clear_session.md) - Improved UI/UX for session clearing in CubeManager.
+- [Bot Actions](./devlog/2025-12-22-114000_bot_actions.md) - Implemented simple bot AI for playing lands, casting creatures, and passing priority.

docs/development/devlog/2025-12-22-114000_bot_actions.md

@@ -0,0 +1,29 @@
+# Bot Logic Implementation
+
+## Changes
+- **Client/Server Types**: Added `isBot` to `PlayerState` interface.
+- **GameManager**:
+  - Updated `createGame` to persist `isBot` flag from room players.
+  - Implemented `processBotActions` method:
+    - **Mulligan**: Always keeps hand.
+    - **Main Phase**: Plays a Land if available and not played yet.
+    - **Main Phase**: Casts first available Creature card from hand (simplified cost check).
+    - **Combat**: Attacks with all available creatures.
+    - **Default**: Passes priority.
+  - Added `triggerBotCheck` public method to manually trigger bot automation (e.g. at game start).
+  - Updated `handleStrictAction` to include a `while` loop that processes consecutive bot turns until a human receives priority.
+- **Server Entry (index.ts)**:
+  - Injected `gameManager.triggerBotCheck(roomId)` at all game start points (Normal start, Solo test, Deck timeout, etc.) to ensure bots act immediately if they win the coin flip or during mulligan.
+
+## Bot Behavior
+The bots are currently "Aggressive/Linear":
+1. They essentially dump their hand (Lands -> Creatures).
+2. They always attack with everything.
+3. They never block.
+4. They pass priority instantly if they can't do anything.
+
+## Future Improvements
+- Implement mana cost checking (currently relying on loose engine rules or implicit valid state).
+- Implement target selection logic (currently casting only if no targets needed or using empty array).
+- Implement blocking logic.
+- Implement "Smart" mulligans (currently always keep).