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/agent_role.py

@@ -11,7 +11,7 @@ class AgentRole(Base):
     display_name = Column(String, nullable=False)  # Human-readable name
     system_prompt = Column(Text, nullable=False)  # Role-specific system prompt
     reports_to = Column(JSON, nullable=True)  # Array of roles this role reports to
-    expertise = Column(JSON, nullable=True, index=True)  # Array of expertise areas
+    expertise = Column(JSON, nullable=True)  # Array of expertise areas
     deliverables = Column(JSON, nullable=True)  # Array of deliverables
     capabilities = Column(JSON, nullable=True)  # Array of capabilities
     collaboration_defaults = Column(JSON, nullable=True)  # Default collaboration settings