feat(game-loop): implement strict phase rules, exploration stops, and hero attacks

implementación/task.md

@@ -37,7 +37,9 @@
     - [x] Define Hero/Monster Stats (Heroes.js, Monsters.js) <!-- id: 32 -->
     - [x] Implement Hero Movement Logic (Grid-based, Interactive) <!-- id: 33 -->
     - [x] Implement Monster AI (Sequential Movement, Pathfinding, Attack Approach)
-    - [ ] Implement Combat Logic (Attack Rolls, Damage)
+    - [x] Implement Combat Logic (Melee Attack Rolls, Damage, Death State)
+    - [x] Implement Game Loop Rules (Exploration Stop, Continuous Combat, Phase Skipping)
+    - [ ] Refine Combat System (Ranged weapons, Special Monster Rules, Magic)
 
 ## Phase 4: Campaign System
 - [ ] **Campaign Manager**