feat(core): Render memory hierarchically in context. (#18350)

packages/core/src/commands/memory.test.ts

@@ -121,7 +121,7 @@ describe('memory commands', () => {
   describe('refreshMemory', () => {
     it('should refresh memory and show success message', async () => {
       mockRefresh.mockResolvedValue({
-        memoryContent: 'refreshed content',
+        memoryContent: { project: 'refreshed content' },
         fileCount: 2,
         filePaths: [],
       });
@@ -136,14 +136,14 @@ describe('memory commands', () => {
       if (result.type === 'message') {
         expect(result.messageType).toBe('info');
         expect(result.content).toBe(
-          'Memory refreshed successfully. Loaded 17 characters from 2 file(s).',
+          'Memory refreshed successfully. Loaded 33 characters from 2 file(s).',
         );
       }
     });
 
     it('should show a message if no memory content is found after refresh', async () => {
       mockRefresh.mockResolvedValue({
-        memoryContent: '',
+        memoryContent: { project: '' },
         fileCount: 0,
         filePaths: [],
       });

packages/core/src/commands/memory.ts

@@ -5,11 +5,12 @@
  */
 
 import type { Config } from '../config/config.js';
+import { flattenMemory } from '../config/memory.js';
 import { refreshServerHierarchicalMemory } from '../utils/memoryDiscovery.js';
 import type { MessageActionReturn, ToolActionReturn } from './types.js';
 
 export function showMemory(config: Config): MessageActionReturn {
-  const memoryContent = config.getUserMemory() || '';
+  const memoryContent = flattenMemory(config.getUserMemory());
   const fileCount = config.getGeminiMdFileCount() || 0;
   let content: string;
 
@@ -51,11 +52,11 @@ export async function refreshMemory(
 
   if (config.isJitContextEnabled()) {
     await config.getContextManager()?.refresh();
-    memoryContent = config.getUserMemory();
+    memoryContent = flattenMemory(config.getUserMemory());
     fileCount = config.getGeminiMdFileCount();
   } else {
     const result = await refreshServerHierarchicalMemory(config);
-    memoryContent = result.memoryContent;
+    memoryContent = flattenMemory(result.memoryContent);
     fileCount = result.fileCount;
   }