feat: add keywords field to API response and OpenAPI spec (MAPCO-8284)

openapi3.yaml

@@ -293,8 +293,13 @@ components:
       description: raster catalog find model
       properties:
         metadata:
-          $ref: >-
-            ./Schema/fullLayerMetadata.yaml#/components/schemas/fullLayerMetadata
+          allOf:
+            - $ref: >-
+                ./Schema/fullLayerMetadata.yaml#/components/schemas/fullLayerMetadata
+            - properties:
+                keywords:
+                  type: string
+                  description: Product's keywords
         links:
           type: array
           items:

tests/unit/DAL/recordModelConverter.spec.ts

@@ -315,6 +315,32 @@
     });
   });
 
+  describe('entityToModel - keywords', () => {
+    it('converted model includes keywords when entity has keywords value', () => {
+      const entity = {
+        sensors: '',
+        region: null,
+        keywords: 'satellite,aerial',
+      } as unknown as RecordEntity;
+
+      const model = convertor.entityToModel(entity);
+
+      expect(model.metadata?.keywords).toBe('satellite,aerial');
+    });
+
+    it('converted model omits keywords when entity keywords is null', () => {
+      const entity = {
+        sensors: '',
+        region: null,
+        keywords: null,
+      } as unknown as RecordEntity;
+
+      const model = convertor.entityToModel(entity);
+
+      expect(model.metadata?.keywords).toBeUndefined();
+    });
+  });
+
   describe('findModelToEntity', () => {
     it('find should return the given attribute', () => {
       const testUpdateRecordRequest = {