fix: keep pallet labels on A4 templates

print/src/main/resources/openapi/print-internal-v1.yaml

@@ -4,6 +4,24 @@ info:
   version: 1.0.0
   description: Internal stateless PDF rendering API. This path must not be exposed through Gateway.
 paths:
+  /internal/print/v1/pdfs/pallet-a4-labels:
+    post:
+      summary: Generate non-FBA pallet labels as landscape A4 pages
+      operationId: generatePalletA4Labels
+      security: [{ internalServiceToken: [] }]
+      parameters: [{ $ref: '#/components/parameters/RequestId' }]
+      requestBody:
+        required: true
+        content: { application/json: { schema: { $ref: '#/components/schemas/GenericPalletPdfRequest' } } }
+      responses:
+        '200':
+          description: PDF generation succeeded, or a business error was returned as ApiResponse JSON.
+          content:
+            application/pdf: { schema: { type: string, format: binary } }
+            application/json: { schema: { $ref: '#/components/schemas/ApiError' } }
+        '413':
+          description: Request body exceeds the configured limit.
+          content: { application/json: { schema: { $ref: '#/components/schemas/ApiError' } } }
   /internal/print/v1/pdfs/fba-pallet-labels:
     post:
       summary: Generate shared domestic and overseas FBA pallet labels as landscape A4 pages
@@ -176,6 +194,29 @@ components:
       schema:
         type: string
   schemas:
+    GenericPalletPdfRequest:
+      type: object
+      required: [templateCode, pageSpec, downloadFileName, labels]
+      properties:
+        templateCode: { type: string, enum: [PALLET_A4_LANDSCAPE_V1] }
+        pageSpec:
+          type: object
+          required: [widthMm, heightMm]
+          properties:
+            widthMm: { type: number, enum: [297] }
+            heightMm: { type: number, enum: [210] }
+        downloadFileName: { type: string, minLength: 4, maxLength: 120 }
+        labels:
+          type: array
+          minItems: 1
+          maxItems: 2000
+          items:
+            type: object
+            required: [heading, reference, palletCode]
+            properties:
+              heading: { type: string, minLength: 1, maxLength: 80 }
+              reference: { type: string, minLength: 1, maxLength: 80 }
+              palletCode: { type: string, minLength: 1, maxLength: 80, pattern: '^[\x20-\x7E]+$' }
     FbaPalletPdfRequest:
       type: object
       required: [templateCode, pageSpec, downloadFileName, labels]