Fix frontend URLs for production deployment and resolve database issues

- Update API base URL from localhost to https://api.hive.home.deepblack.cloud
- Update WebSocket URL to https://hive.home.deepblack.cloud for proper TLS routing
- Remove metadata field from Project model to fix SQLAlchemy conflict
- Remove index from JSON expertise column in AgentRole to fix PostgreSQL indexing
- Update push script to use local registry instead of Docker Hub
- Add Gitea repository support and monitoring endpoints

🤖 Generated with [Claude Code](https://claude.ai/code)

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

backend/app/models/project.py

@@ -23,8 +23,7 @@ class Project(Base):
     private_repo = Column(Boolean, default=False)
     github_token_required = Column(Boolean, default=False)
     
-    # Additional metadata
-    metadata = Column(JSON, nullable=True)
+    # Additional configuration
     tags = Column(JSON, nullable=True)
     
     created_at = Column(DateTime(timezone=True), server_default=func.now())