Add optional service pricing matrix and fix admin catalog save.

Users pick per-service CPU/memory/storage at deploy; admins manage unit rates and deploy defaults. PATCH sends only fields accepted by the pricing-catalog DTO.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/src/applications/entities/application.entity.ts

@@ -72,6 +72,25 @@ export class Application {
   @Column({ type: 'jsonb', nullable: true })
   logPaths: string[]; // Custom log paths to collect (e.g., ['/app/logs/*.log'])
 
+  /** User-selected CPU/RAM/storage per optional service (redis, rabbitmq). */
+  @Column({ type: 'jsonb', nullable: true })
+  optionalServiceResources?: {
+    redis?: {
+      cpuRequest?: string;
+      cpuLimit: string;
+      memoryRequest?: string;
+      memoryLimit: string;
+      storageGi: number;
+    };
+    rabbitmq?: {
+      cpuRequest?: string;
+      cpuLimit: string;
+      memoryRequest?: string;
+      memoryLimit: string;
+      storageGi: number;
+    };
+  };
+
   @Column({ nullable: true })
   gitUrl: string;