fix: annotations for draft entities

lib/handlers/utils.ts

@@ -96,6 +96,7 @@ function getKeyFieldsForEntity(entity: cds.entity): string[] {
   const keys = entity.keys;
   const result: string[] = [];
   for (const key in keys) {
+    if ((keys[key] as { virtual?: boolean }).virtual) continue;
     result.push(key);
   }
   return result;

tests/bookshop/srv/draft-annotation-service.cds

@@ -0,0 +1,163 @@
+using {sap.capire.bookshop as my} from '../db/shipment';
+
+service DraftAnnotationService {
+
+    // ============================================
+    // Isolated draft entities for START annotation tests
+    // ============================================
+
+    // Start on CREATE without when condition (draft-enabled)
+    @bpm.process.start: {
+        id: 'draftStartOnCreateProcess',
+        on: 'CREATE',
+    }
+    @odata.draft.enabled
+    entity DraftStartOnCreate             as
+        projection on my.Car {
+            ID,
+            model,
+            manufacturer,
+            mileage,
+            year
+        }
+
+    // Start on DELETE without when condition (draft-enabled)
+    @bpm.process.start: {
+        id: 'draftStartOnDeleteProcess',
+        on: 'DELETE',
+    }
+    @odata.draft.enabled
+    entity DraftStartOnDelete             as
+        projection on my.Car {
+            ID,
+            model,
+            manufacturer,
+            mileage,
+            year
+        }
+
+    // ============================================
+    // Isolated draft entities for CANCEL annotation tests
+    // ============================================
+
+    // Cancel on CREATE with if condition (draft-enabled)
+    @bpm.process.cancel     : {
+        on     : 'CREATE',
+        cascade: true,
+        if     : (mileage > 500),
+    }
+    @bpm.process.businessKey: (ID)
+    @odata.draft.enabled
+    entity DraftCancelOnCreateWhen        as
+        projection on my.Car {
+            ID,
+            model,
+            manufacturer,
+            mileage,
+            year
+        }
+
+    // Cancel on UPDATE without when condition (draft-enabled)
+    @bpm.process.cancel     : {
+        on     : 'UPDATE',
+        cascade: false,
+    }
+    @bpm.process.businessKey: (ID)
+    @odata.draft.enabled
+    entity DraftCancelOnUpdate            as
+        projection on my.Car {
+            ID,
+            model,
+            manufacturer,
+            mileage,
+            year
+        }
+
+    // Cancel on DELETE without when condition (draft-enabled)
+    @bpm.process.cancel     : {
+        on     : 'DELETE',
+        cascade: false,
+    }
+    @bpm.process.businessKey: (ID)
+    @odata.draft.enabled
+    entity DraftCancelOnDelete            as
+        projection on my.Car {
+            ID,
+            model,
+            manufacturer,
+            mileage,
+            year
+        }
+
+    // ============================================
+    // Isolated draft entities for SUSPEND annotation tests
+    // ============================================
+
+    // Suspend on CREATE without when condition (draft-enabled)
+    @bpm.process.suspend    : {
+        on     : 'CREATE',
+        cascade: false,
+    }
+    @bpm.process.businessKey: (ID)
+    @odata.draft.enabled
+    entity DraftSuspendOnCreate           as
+        projection on my.Car {
+            ID,
+            model,
+            manufacturer,
+            mileage,
+            year
+        }
+
+    // ============================================
+    // Isolated draft entities for RESUME annotation tests
+    // ============================================
+
+    // Resume on CREATE without when condition (draft-enabled)
+    @bpm.process.resume     : {
+        on     : 'CREATE',
+        cascade: false,
+    }
+    @bpm.process.businessKey: (ID)
+    @odata.draft.enabled
+    entity DraftResumeOnCreate            as
+        projection on my.Car {
+            ID,
+            model,
+            manufacturer,
+            mileage,
+            year
+        }
+
+    // ============================================
+    // DRAFT LIFECYCLE COMBINATION SCENARIOS
+    // ============================================
+
+    // Full Lifecycle with draft: Start on CREATE, Suspend/Resume on UPDATE, Cancel on DELETE
+    @bpm.process.start      : {
+        id: 'draftLifecycleProcess',
+        on: 'CREATE',
+    }
+    @bpm.process.suspend    : {
+        on: 'UPDATE',
+        if: (mileage > 800),
+    }
+    @bpm.process.resume     : {
+        on: 'UPDATE',
+        if: (mileage <= 800),
+    }
+    @bpm.process.cancel     : {
+        on     : 'DELETE',
+        cascade: true
+    }
+    @bpm.process.businessKey: (ID)
+    @odata.draft.enabled
+    entity DraftFullLifecycle {
+        key ID           : UUID;
+            model        : String(100);
+            manufacturer : String(100);
+            mileage      : Integer;
+            year         : Integer;
+    }
+
+}