Update database paths and fix foreign key references across coordinator API

- Change SQLite database path from `/home/oib/windsurf/aitbc/data/` to `/opt/data/`
- Fix foreign key references to use correct table names (users, wallets, gpu_registry)
- Replace governance router with new governance and community routers
- Add multi-modal RL router to main application
- Simplify DEPLOYMENT_READINESS_REPORT.md to focus on production deployment status
- Update governance router with decentralized DAO voting

apps/coordinator-api/src/app/config.py

@@ -27,7 +27,7 @@ class DatabaseConfig(BaseSettings):
 
         # Default SQLite path
         if self.adapter == "sqlite":
-            return "sqlite:///../data/coordinator.db"
+            return "sqlite:////opt/data/coordinator.db"
 
         # Default PostgreSQL connection string
         return f"{self.adapter}://localhost:5432/coordinator"
@@ -118,7 +118,7 @@ class Settings(BaseSettings):
         if self.database.url:
             return self.database.url
         # Default SQLite path for backward compatibility
-        return "sqlite:////home/oib/windsurf/aitbc/data/coordinator.db"
+        return "sqlite:////opt/data/coordinator.db"
 
     @database_url.setter
     def database_url(self, value: str):