Combat Backend & Data Models

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

api/app/data/enemies/bandit.yaml

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+# Bandit - Medium humanoid with weapon
+# A highway robber armed with sword and dagger
+
+enemy_id: bandit
+name: Bandit Rogue
+description: >
+  A rough-looking human in worn leather armor, their face partially hidden
+  by a tattered hood. They fight with a chipped sword and keep a dagger
+  ready for backstabs. Desperation has made them dangerous.
+
+base_stats:
+  strength: 12
+  dexterity: 14
+  constitution: 10
+  intelligence: 10
+  wisdom: 8
+  charisma: 8
+  luck: 10
+
+abilities:
+  - basic_attack
+  - quick_strike
+  - dirty_trick
+
+loot_table:
+  - item_id: bandit_sword
+    drop_chance: 0.20
+    quantity_min: 1
+    quantity_max: 1
+  - item_id: leather_armor
+    drop_chance: 0.15
+    quantity_min: 1
+    quantity_max: 1
+  - item_id: lockpick
+    drop_chance: 0.25
+    quantity_min: 1
+    quantity_max: 3
+  - item_id: gold_coin
+    drop_chance: 0.80
+    quantity_min: 5
+    quantity_max: 20
+
+experience_reward: 35
+gold_reward_min: 10
+gold_reward_max: 30
+difficulty: medium
+
+tags:
+  - humanoid
+  - rogue
+  - armed
+
+base_damage: 8
+crit_chance: 0.12
+flee_chance: 0.45

api/app/data/enemies/dire_wolf.yaml

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+# Dire Wolf - Medium beast enemy
+# A large, ferocious predator
+
+enemy_id: dire_wolf
+name: Dire Wolf
+description: >
+  A massive wolf the size of a horse, with matted black fur and eyes
+  that glow with predatory intelligence. Its fangs are as long as daggers,
+  and its growl rumbles like distant thunder.
+
+base_stats:
+  strength: 14
+  dexterity: 14
+  constitution: 12
+  intelligence: 4
+  wisdom: 10
+  charisma: 6
+  luck: 8
+
+abilities:
+  - basic_attack
+  - savage_bite
+  - pack_howl
+
+loot_table:
+  - item_id: wolf_pelt
+    drop_chance: 0.60
+    quantity_min: 1
+    quantity_max: 1
+  - item_id: wolf_fang
+    drop_chance: 0.40
+    quantity_min: 1
+    quantity_max: 2
+  - item_id: beast_meat
+    drop_chance: 0.70
+    quantity_min: 1
+    quantity_max: 3
+
+experience_reward: 40
+gold_reward_min: 0
+gold_reward_max: 5
+difficulty: medium
+
+tags:
+  - beast
+  - wolf
+  - large
+  - pack
+
+base_damage: 10
+crit_chance: 0.10
+flee_chance: 0.40

api/app/data/enemies/goblin.yaml

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+# Goblin - Easy melee enemy (STR-focused)
+# A small, cunning creature that attacks in groups
+
+enemy_id: goblin
+name: Goblin Scout
+description: >
+  A small, green-skinned creature with pointed ears and sharp teeth.
+  Goblins are cowardly alone but dangerous in groups, using crude weapons
+  and dirty tactics to overwhelm their prey.
+
+base_stats:
+  strength: 8
+  dexterity: 12
+  constitution: 6
+  intelligence: 6
+  wisdom: 6
+  charisma: 4
+  luck: 8
+
+abilities:
+  - basic_attack
+
+loot_table:
+  - item_id: rusty_dagger
+    drop_chance: 0.15
+    quantity_min: 1
+    quantity_max: 1
+  - item_id: gold_coin
+    drop_chance: 0.50
+    quantity_min: 1
+    quantity_max: 3
+
+experience_reward: 15
+gold_reward_min: 2
+gold_reward_max: 8
+difficulty: easy
+
+tags:
+  - humanoid
+  - goblinoid
+  - small
+
+base_damage: 4
+crit_chance: 0.05
+flee_chance: 0.60

api/app/data/enemies/goblin_shaman.yaml

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+# Goblin Shaman - Easy caster enemy (INT-focused)
+# A goblin spellcaster that provides magical support
+
+enemy_id: goblin_shaman
+name: Goblin Shaman
+description: >
+  A hunched goblin wrapped in tattered robes, clutching a staff adorned
+  with bones and feathers. It mutters dark incantations and hurls bolts
+  of sickly green fire at its enemies.
+
+base_stats:
+  strength: 4
+  dexterity: 10
+  constitution: 6
+  intelligence: 12
+  wisdom: 10
+  charisma: 6
+  luck: 10
+
+abilities:
+  - basic_attack
+  - fire_bolt
+  - minor_heal
+
+loot_table:
+  - item_id: shaman_staff
+    drop_chance: 0.10
+    quantity_min: 1
+    quantity_max: 1
+  - item_id: mana_potion_small
+    drop_chance: 0.20
+    quantity_min: 1
+    quantity_max: 1
+  - item_id: gold_coin
+    drop_chance: 0.60
+    quantity_min: 3
+    quantity_max: 8
+
+experience_reward: 25
+gold_reward_min: 5
+gold_reward_max: 15
+difficulty: easy
+
+tags:
+  - humanoid
+  - goblinoid
+  - caster
+  - small
+
+base_damage: 3
+crit_chance: 0.08
+flee_chance: 0.55

api/app/data/enemies/orc_berserker.yaml

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+# Orc Berserker - Hard heavy hitter
+# A fearsome orc warrior in a battle rage
+
+enemy_id: orc_berserker
+name: Orc Berserker
+description: >
+  A towering mass of green muscle and fury, covered in tribal war paint
+  and scars from countless battles. Foam flecks at the corners of its
+  mouth as it swings a massive greataxe with terrifying speed. In its
+  battle rage, it feels no pain and shows no mercy.
+
+base_stats:
+  strength: 18
+  dexterity: 10
+  constitution: 16
+  intelligence: 6
+  wisdom: 6
+  charisma: 4
+  luck: 8
+
+abilities:
+  - basic_attack
+  - cleave
+  - berserker_rage
+  - intimidating_shout
+
+loot_table:
+  - item_id: orc_greataxe
+    drop_chance: 0.20
+    quantity_min: 1
+    quantity_max: 1
+  - item_id: orc_war_paint
+    drop_chance: 0.35
+    quantity_min: 1
+    quantity_max: 2
+  - item_id: beast_hide_armor
+    drop_chance: 0.15
+    quantity_min: 1
+    quantity_max: 1
+  - item_id: gold_coin
+    drop_chance: 0.70
+    quantity_min: 15
+    quantity_max: 40
+
+experience_reward: 80
+gold_reward_min: 20
+gold_reward_max: 50
+difficulty: hard
+
+tags:
+  - humanoid
+  - orc
+  - berserker
+  - large
+
+base_damage: 15
+crit_chance: 0.15
+flee_chance: 0.30

api/app/data/enemies/skeleton_warrior.yaml

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+# 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