feat: add OPC (One Person Company) management system with Kanban board

Phase 1 MVP implementation:
- PostgreSQL database schema for tasks, agents, executions, time tracking
- Backend API: task CRUD, agent management, automatic time tracking
- Frontend: Kanban board with drag-and-drop (Parking Lot → In Progress → Done)
- Task modal for creating/editing tasks with tags, priority, assignee
- 3 core agents seeded: PM, CTO, COO
- Agent approval workflow: CxO level requires approval, others auto-execute
- Automatic time tracking: starts on in_progress, stops on done
- RBAC integration: OPC page accessible to admin/member roles

Features:
- Drag-and-drop tasks between columns
- Assign tasks to humans or AI agents
- Priority badges (low, medium, high, urgent)
- Tags and due dates
- Task history tracking
- Time entry tracking with automatic timer
- Agent execution records with approval workflow

Next steps:
- Initialize OPC database on NAS
- Implement agent executor service
- Add WebSocket for real-time updates
- Add email notifications
- Add PDF invoice generation

dashboard/backend/main.py

@@ -6,7 +6,7 @@ from fastapi.responses import JSONResponse
 from slowapi import Limiter
 from slowapi.util import get_remote_address
 from slowapi.errors import RateLimitExceeded
-from routers import docker_router, gitea, files, terminal, system, auth, chat_summary, security, passkey, totp, litellm, cc_connect, info_engine
+from routers import docker_router, gitea, files, terminal, system, auth, chat_summary, security, passkey, totp, litellm, cc_connect, info_engine, opc_tasks, opc_agents
 import auth as auth_module
 import config
 from rbac import require_page
@@ -113,6 +113,14 @@ async def monitor_containers():
 
 @app.on_event("startup")
 async def startup_event():
+    # Initialize OPC database
+    from db import opc_db
+    try:
+        await opc_db.init_db()
+        logging.getLogger(__name__).info("OPC database initialized")
+    except Exception as e:
+        logging.getLogger(__name__).error("Failed to initialize OPC database: %s", e)
+
     asyncio.create_task(monitor_containers())
 
 @app.get("/api/health")
@@ -178,6 +186,12 @@ app.include_router(info_engine.router, prefix="/api/info-engine",
 app.include_router(security.router, prefix="/api/security",
     dependencies=[Depends(_inject_user), Depends(require_page("security"))])
 
+# OPC endpoints
+app.include_router(opc_tasks.router, prefix="/api/opc",
+    dependencies=[Depends(_inject_user), Depends(require_page("opc"))])
+app.include_router(opc_agents.router, prefix="/api/opc",
+    dependencies=[Depends(_inject_user), Depends(require_page("opc"))])
+
 # WebSocket endpoint (auth handled inside handler via auth cookie; query token fallback temporary)
 app.add_api_websocket_route("/ws/terminal", terminal.ws_endpoint)