Fix: Update system instruction when GEMINI.md memory is loaded or refreshed (#12136)

packages/cli/src/ui/commands/memoryCommand.test.ts

@@ -182,6 +182,9 @@ describe('memoryCommand', () => {
           include: [],
         }),
         isTrustedFolder: () => false,
+        updateSystemInstructionIfInitialized: vi
+          .fn()
+          .mockResolvedValue(undefined),
       };
 
       mockContext = createMockCommandContext({