ems-core v1.0.0: Standard EMS platform core

Shared backend + frontend for multi-customer EMS deployments.
- 12 enterprise modules: quota, cost, charging, maintenance, analysis, etc.
- 120+ API endpoints, 37 database tables
- Customer config mechanism (CUSTOMER env var + YAML config)
- Collectors: Modbus TCP, MQTT, HTTP API, Sungrow iSolarCloud
- Frontend: React 19 + Ant Design + ECharts + Three.js
- Infrastructure: Redis cache, rate limiting, aggregation engine

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

backend/app/api/v1/collectors.py

@@ -0,0 +1,53 @@
+"""API endpoints for collector management and status."""
+from fastapi import APIRouter, HTTPException
+
+router = APIRouter(prefix="/collectors", tags=["collectors"])
+
+
+def _get_manager():
+    """Get the global CollectorManager instance."""
+    from app.main import collector_manager
+    if collector_manager is None:
+        raise HTTPException(status_code=503, detail="Collector manager not active (simulator mode)")
+    return collector_manager
+
+
+@router.get("/status")
+async def get_collectors_status():
+    """Get status of all active collectors."""
+    manager = _get_manager()
+    return {
+        "running": manager.is_running,
+        "collector_count": manager.collector_count,
+        "collectors": manager.get_all_status(),
+    }
+
+
+@router.get("/status/{device_id}")
+async def get_collector_status(device_id: int):
+    """Get status of a specific collector."""
+    manager = _get_manager()
+    collector = manager.get_collector(device_id)
+    if not collector:
+        raise HTTPException(status_code=404, detail="No collector for this device")
+    return collector.get_status()
+
+
+@router.post("/{device_id}/restart")
+async def restart_collector(device_id: int):
+    """Restart a specific device collector."""
+    manager = _get_manager()
+    success = await manager.restart_collector(device_id)
+    if not success:
+        raise HTTPException(status_code=400, detail="Failed to restart collector")
+    return {"message": f"Collector for device {device_id} restarted"}
+
+
+@router.post("/{device_id}/stop")
+async def stop_collector(device_id: int):
+    """Stop a specific device collector."""
+    manager = _get_manager()
+    success = await manager.stop_collector(device_id)
+    if not success:
+        raise HTTPException(status_code=404, detail="No running collector for this device")
+    return {"message": f"Collector for device {device_id} stopped"}