Combat Backend & Data Models

- Implement Combat Service
- Implement Damage Calculator
- Implement Effect Processor
- Implement Combat Actions
- Created Combat API Endpoints

api/app/data/enemies/skeleton_warrior.yaml

@@ -0,0 +1,52 @@
+# Skeleton Warrior - Medium undead melee
+# An animated skeleton wielding ancient weapons
+
+enemy_id: skeleton_warrior
+name: Skeleton Warrior
+description: >
+  The animated remains of a long-dead soldier, held together by dark magic.
+  Its empty eye sockets glow with pale blue fire, and it wields a rusted
+  but deadly sword with unnatural precision. It knows no fear and feels no pain.
+
+base_stats:
+  strength: 12
+  dexterity: 10
+  constitution: 10
+  intelligence: 4
+  wisdom: 6
+  charisma: 2
+  luck: 6
+
+abilities:
+  - basic_attack
+  - shield_bash
+  - bone_rattle
+
+loot_table:
+  - item_id: ancient_sword
+    drop_chance: 0.15
+    quantity_min: 1
+    quantity_max: 1
+  - item_id: bone_fragment
+    drop_chance: 0.80
+    quantity_min: 2
+    quantity_max: 5
+  - item_id: soul_essence
+    drop_chance: 0.10
+    quantity_min: 1
+    quantity_max: 1
+
+experience_reward: 45
+gold_reward_min: 0
+gold_reward_max: 10
+difficulty: medium
+
+tags:
+  - undead
+  - skeleton
+  - armed
+  - fearless
+
+base_damage: 9
+crit_chance: 0.08
+flee_chance: 0.50