fix(cli): clarify memory folder opener behavior

packages/cli/src/ui/components/MemoryDialog.test.tsx

@@ -81,6 +81,10 @@ const mockedFs = vi.mocked(fs);
 const originalPlatform = process.platform;
 
 type MockSpawnChild = EventEmitter & { unref: ReturnType<typeof vi.fn> };
+const folderOpenCommandByPlatform: Partial<Record<NodeJS.Platform, string>> = {
+  darwin: 'open',
+  win32: 'explorer',
+};
 
 function createMockSpawnChild(
   event: 'spawn' | 'error' = 'spawn',
@@ -101,6 +105,10 @@ function stubPlatform(platform: NodeJS.Platform): void {
   });
 }
 
+function expectedFolderOpenCommand(platform = process.platform): string {
+  return folderOpenCommandByPlatform[platform] ?? 'xdg-open';
+}
+
 describe('MemoryDialog', () => {
   beforeEach(() => {
     vi.clearAllMocks();
@@ -172,7 +180,7 @@ describe('MemoryDialog', () => {
     });
 
     expect(mockedSpawn).toHaveBeenCalledWith(
-      expect.any(String),
+      expectedFolderOpenCommand(),
       [path.join(os.homedir(), '.qwen-memory-test', 'memories')],
       expect.objectContaining({ detached: true, stdio: 'ignore' }),
     );
@@ -208,7 +216,7 @@ describe('MemoryDialog', () => {
       });
 
       expect(mockedSpawn).toHaveBeenCalledWith(
-        expect.any(String),
+        expectedFolderOpenCommand(platform),
         [path.join(os.homedir(), '.qwen-memory-test', 'memories')],
         expect.objectContaining({ detached: true, stdio: 'ignore' }),
       );
@@ -238,7 +246,7 @@ describe('MemoryDialog', () => {
     });
 
     expect(mockedSpawn).toHaveBeenCalledWith(
-      expect.any(String),
+      expectedFolderOpenCommand(),
       [getAutoMemoryRoot('/tmp/project')],
       expect.objectContaining({ detached: true, stdio: 'ignore' }),
     );
@@ -258,7 +266,7 @@ describe('MemoryDialog', () => {
     });
 
     expect(mockedSpawn).toHaveBeenCalledWith(
-      expect.any(String),
+      expectedFolderOpenCommand(),
       [getAutoMemoryRoot('/tmp/project')],
       expect.objectContaining({ detached: true, stdio: 'ignore' }),
     );

packages/cli/src/ui/components/MemoryDialog.tsx

@@ -84,6 +84,9 @@ async function openFolderPath(folderPath: string): Promise<void> {
 
   await new Promise<void>((resolve, reject) => {
     child.once('error', reject);
+    // Exit codes are intentionally not observed: the folder opener is
+    // fire-and-forget, and waiting for exit can block until the file manager
+    // closes.
     child.once('spawn', () => resolve());
   });
 }