feat: filter equipment import by tenant-company mapping

- Add digital_twin_company_id column to tenants table
- Map spifox tenant to its digital-twin companyId
- Pass companyId filter when fetching from digital-twin API
- Return 404 with clear message for unmapped tenants
- Improve API error messages in frontend (show server detail)

src/services/equipment_sync.py

@@ -9,7 +9,7 @@ from pydantic import BaseModel
 from sqlalchemy import select
 from sqlalchemy.ext.asyncio import AsyncSession
 
-from src.database.models import Machine, MachineChangeHistory
+from src.database.models import Machine, MachineChangeHistory, Tenant
 
 logger = logging.getLogger(__name__)
 
@@ -101,10 +101,23 @@ class EquipmentSyncService:
             return inner.get("pagination")
         return None
 
+    async def _get_company_id(self) -> Optional[str]:
+        result = await self.db.execute(
+            select(Tenant.digital_twin_company_id).where(Tenant.id == self.tenant_id)
+        )
+        return result.scalar_one_or_none()
+
     async def fetch_remote_equipment(self) -> list[dict]:
         if not self.api_url:
             return []
         try:
+            company_id = await self._get_company_id()
+            if not company_id:
+                logger.warning(
+                    f"Tenant {self.tenant_id} has no digital_twin_company_id mapped"
+                )
+                return []
+
             all_equipment: list[dict] = []
             page = 1
             max_limit = 500
@@ -113,7 +126,11 @@ class EquipmentSyncService:
                 while True:
                     resp = await client.get(
                         "/api/v1/aas/equipment",
-                        params={"page": page, "limit": max_limit},
+                        params={
+                            "page": page,
+                            "limit": max_limit,
+                            "companyId": company_id,
+                        },
                     )
                     resp.raise_for_status()
                     data = resp.json()