modify

openspec/changes/rename-series-allocation-id-to-series-id/specs/iot-card-api/spec.md

@@ -25,6 +25,7 @@ The system SHALL support filtering standalone IoT cards by package series ID in
 The system SHALL include package series ID in standalone IoT card response data.
 
 **Response Field**: `series_id` (number | null)
+
 - Value is package series ID if card is bound to a series
 - Value is null if card has no series binding
 
@@ -58,18 +59,21 @@ The system SHALL provide an endpoint to batch set package series binding for IoT
 **Endpoint**: `PATCH /api/admin/iot-cards/series-binding`
 
 **Request Body**:
+
 ```json
 {
   "iccids": ["898600..."],
-  "series_id": 123  // Changed from series_allocation_id
+  "series_id": 123 // Changed from series_allocation_id
 }
 ```
 
 **Field Definitions**:
+
 - `iccids`: Array of ICCIDs (max 500 items)
 - `series_id`: Package series ID (tb_package_series.id), 0 means clear association
 
 **Response**:
+
 ```json
 {
   "code": 0,