style: Updated the overall UI of the provisining pages

backend/manufacturing/service.py

@@ -46,6 +46,7 @@ def _doc_to_inventory_item(doc) -> DeviceInventoryItem:
         created_at=created_str,
         owner=data.get("owner"),
         assigned_to=data.get("assigned_to"),
+        device_name=data.get("device_name") or None,
     )
 
 
@@ -217,6 +218,47 @@ def get_stats() -> ManufacturingStats:
     return ManufacturingStats(counts=counts, recent_activity=recent)
 
 
+PROTECTED_STATUSES = {"sold", "claimed"}
+
+
+def delete_device(sn: str, force: bool = False) -> None:
+    """Delete a device by serial number.
+
+    Raises PermissionError if the device is sold/claimed and force is not set.
+    The frontend uses force=True only after the user confirms by typing the SN.
+    """
+    db = get_db()
+    docs = list(db.collection(COLLECTION).where("serial_number", "==", sn).limit(1).stream())
+    if not docs:
+        raise NotFoundError("Device")
+
+    data = docs[0].to_dict() or {}
+    status = data.get("mfg_status", "manufactured")
+
+    if status in PROTECTED_STATUSES and not force:
+        raise PermissionError(
+            f"Device {sn} has status '{status}' and cannot be deleted without explicit confirmation."
+        )
+
+    docs[0].reference.delete()
+
+
+def delete_unprovisioned_devices() -> list[str]:
+    """Delete all devices with status 'manufactured' (never flashed/provisioned).
+
+    Returns the list of deleted serial numbers.
+    """
+    db = get_db()
+    docs = list(db.collection(COLLECTION).where("mfg_status", "==", "manufactured").stream())
+    deleted = []
+    for doc in docs:
+        data = doc.to_dict() or {}
+        sn = data.get("serial_number", "")
+        doc.reference.delete()
+        deleted.append(sn)
+    return deleted
+
+
 def get_firmware_url(sn: str) -> str:
     """Return the FastAPI download URL for the latest stable firmware for this device's hw_type."""
     from firmware.service import get_latest