feat(loot): seed tier-1 items and the ash rat and road bandit loot tables

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

apps/api/src/database/seeds/vertical-slice.seed.spec.ts

@@ -1,9 +1,13 @@
 import { DataSource } from 'typeorm';
 import { Character } from '../../characters/entities/character.entity';
+import { ItemDefinition } from '../../items/entities/item-definition.entity';
+import { LootTableEntry } from '../../loot/entities/loot-table-entry.entity';
+import { LootTable } from '../../loot/entities/loot-table.entity';
 import { LocationMonster } from '../../monsters/entities/location-monster.entity';
 import { MonsterDefinition } from '../../monsters/entities/monster-definition.entity';
 import { LocationConnection } from '../../world/entities/location-connection.entity';
 import { LocationDefinition } from '../../world/entities/location-definition.entity';
+import { ASH_RAT_LOOT_TABLE_ID, ITEM_IDS, ROAD_BANDIT_LOOT_TABLE_ID } from './item.constants';
 import { seedVisibleVerticalSlice } from './vertical-slice.seed';
 
 type Row = Record<string, unknown>;
@@ -67,24 +71,20 @@ function createDataSource(
   characterRepository: InMemoryRepository,
   monsterRepository: InMemoryRepository,
   locationMonsterRepository: InMemoryRepository,
+  itemRepository: InMemoryRepository = new InMemoryRepository(),
+  lootTableRepository: InMemoryRepository = new InMemoryRepository(),
+  lootEntryRepository: InMemoryRepository = new InMemoryRepository(),
 ): DataSource {
   return {
     getRepository: jest.fn((entity: unknown) => {
-      if (entity === LocationDefinition) {
-        return locationRepository;
-      }
-      if (entity === LocationConnection) {
-        return connectionRepository;
-      }
-      if (entity === Character) {
-        return characterRepository;
-      }
-      if (entity === MonsterDefinition) {
-        return monsterRepository;
-      }
-      if (entity === LocationMonster) {
-        return locationMonsterRepository;
-      }
+      if (entity === LocationDefinition) return locationRepository;
+      if (entity === LocationConnection) return connectionRepository;
+      if (entity === Character) return characterRepository;
+      if (entity === MonsterDefinition) return monsterRepository;
+      if (entity === LocationMonster) return locationMonsterRepository;
+      if (entity === ItemDefinition) return itemRepository;
+      if (entity === LootTable) return lootTableRepository;
+      if (entity === LootTableEntry) return lootEntryRepository;
 
       throw new Error('Unexpected repository');
     }),
@@ -256,4 +256,84 @@ describe('seedVisibleVerticalSlice', () => {
       }),
     ]);
   });
+
+  it('seeds the tier-1 items and both loot tables idempotently and wires them to the monsters', async () => {
+    const locationRepository = new InMemoryRepository();
+    const connectionRepository = new InMemoryRepository();
+    const characterRepository = new InMemoryRepository();
+    const monsterRepository = new InMemoryRepository();
+    const locationMonsterRepository = new InMemoryRepository();
+    const itemRepository = new InMemoryRepository();
+    const lootTableRepository = new InMemoryRepository();
+    const lootEntryRepository = new InMemoryRepository();
+    const dataSource = createDataSource(
+      locationRepository,
+      connectionRepository,
+      characterRepository,
+      monsterRepository,
+      locationMonsterRepository,
+      itemRepository,
+      lootTableRepository,
+      lootEntryRepository,
+    );
+
+    await seedVisibleVerticalSlice(dataSource);
+    await seedVisibleVerticalSlice(dataSource);
+
+    expect(itemRepository.rows).toHaveLength(12);
+    expect(itemRepository.rows).toEqual(
+      expect.arrayContaining([
+        expect.objectContaining({
+          key: 'bandit-blade',
+          name: 'Räuberklinge',
+          type: 'WEAPON',
+          equipmentSlot: 'WEAPON',
+          rarity: 'COMMON',
+          weaponDamage: 11,
+          bonusAttack: 1,
+          sellPrice: 0,
+          iconPath: '/images/items/bandit-blade.png',
+        }),
+        expect.objectContaining({
+          key: 'ash-pelt',
+          name: 'Aschenfell',
+          type: 'MATERIAL',
+          equipmentSlot: null,
+        }),
+      ]),
+    );
+
+    expect(lootTableRepository.rows).toHaveLength(2);
+    expect(lootEntryRepository.rows).toHaveLength(5);
+    expect(lootEntryRepository.rows).toEqual(
+      expect.arrayContaining([
+        expect.objectContaining({
+          lootTableId: ASH_RAT_LOOT_TABLE_ID,
+          itemDefinitionId: ITEM_IDS['ash-pelt'],
+          position: 1,
+          dropChance: '0.6000',
+        }),
+        expect.objectContaining({
+          lootTableId: ROAD_BANDIT_LOOT_TABLE_ID,
+          itemDefinitionId: ITEM_IDS['bandit-blade'],
+          position: 1,
+          dropChance: '0.1800',
+        }),
+      ]),
+    );
+
+    // The Kleiner Heiltrank entry is deliberately deferred (spec §16).
+    expect(
+      lootEntryRepository.rows.some(
+        (row) => row.itemDefinitionId === ITEM_IDS['small-healing-potion'],
+      ),
+    ).toBe(false);
+
+    expect(monsterRepository.rows).toEqual(
+      expect.arrayContaining([
+        expect.objectContaining({ key: 'ash-rat', lootTableId: ASH_RAT_LOOT_TABLE_ID }),
+        expect.objectContaining({ key: 'road-bandit', lootTableId: ROAD_BANDIT_LOOT_TABLE_ID }),
+      ]),
+    );
+  });
 });