Implement complete inventory system with equipment database

Features:
- HP Control component with damage/heal/direct modes (mobile-optimized)
- Conditions system with PF2e condition database
- Equipment database with 5,482 items from PF2e (weapons, armor, equipment)
- AddItemModal with search, category filters, and pagination
- Bulk tracking with encumbered/overburdened status display
- Item management (add, remove, toggle equipped)

Backend:
- Equipment module with search/filter endpoints
- Prisma migration for equipment detail fields
- Equipment seed script importing from JSON data files
- Extended Equipment model (damage, hands, AC, etc.)

Frontend:
- New components: HpControl, AddConditionModal, AddItemModal
- Improved character sheet with tabbed interface
- API methods for equipment search and item management

Documentation:
- CLAUDE.md with project philosophy and architecture decisions

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

server/src/app.module.ts

@@ -11,6 +11,7 @@ import { AuthModule } from './modules/auth/auth.module';
 import { CampaignsModule } from './modules/campaigns/campaigns.module';
 import { CharactersModule } from './modules/characters/characters.module';
 import { TranslationsModule } from './modules/translations/translations.module';
+import { EquipmentModule } from './modules/equipment/equipment.module';
 
 // Guards
 import { JwtAuthGuard } from './modules/auth/guards/jwt-auth.guard';
@@ -33,6 +34,7 @@ import { RolesGuard } from './modules/auth/guards/roles.guard';
     CampaignsModule,
     CharactersModule,
     TranslationsModule,
+    EquipmentModule,
   ],
   providers: [
     // Global JWT Auth Guard