perf: skip redundant GEMINI.md loading in partialConfig (#26443)

packages/cli/src/config/config.test.ts

@@ -1174,6 +1174,20 @@ describe('Hierarchical Memory Loading (config.ts) - Placeholder Suite', () => {
       ['.git'], // boundaryMarkers
     );
   });
+
+  it('should NOT call loadServerHierarchicalMemory when skipMemoryLoad is true', async () => {
+    process.argv = ['node', 'script.js'];
+    const settings = createTestMergedSettings({
+      experimental: { jitContext: false },
+    });
+
+    const argv = await parseArguments(settings);
+    await loadCliConfig(settings, 'session-id', argv, {
+      skipMemoryLoad: true,
+    });
+
+    expect(ServerConfig.loadServerHierarchicalMemory).not.toHaveBeenCalled();
+  });
 });
 
 describe('mergeMcpServers', () => {

packages/cli/src/config/config.ts

@@ -560,6 +560,7 @@ export interface LoadCliConfigOptions {
   };
   worktreeSettings?: WorktreeSettings;
   skipExtensions?: boolean;
+  skipMemoryLoad?: boolean;
 }
 
 export async function loadCliConfig(
@@ -568,7 +569,12 @@ export async function loadCliConfig(
   argv: CliArgs,
   options: LoadCliConfigOptions = {},
 ): Promise<Config> {
-  const { cwd = process.cwd(), projectHooks, skipExtensions = false } = options;
+  const {
+    cwd = process.cwd(),
+    projectHooks,
+    skipExtensions = false,
+    skipMemoryLoad = false,
+  } = options;
   const debugMode = isDebugMode(argv);
 
   const worktreeSettings =
@@ -681,7 +687,7 @@ export async function loadCliConfig(
   const finalExtensionLoader =
     extensionManager ?? new SimpleExtensionLoader([]);
 
-  if (!experimentalJitContext) {
+  if (!experimentalJitContext && !skipMemoryLoad) {
     // Call the (now wrapper) loadHierarchicalGeminiMemory which calls the server's version
     const result = await loadServerHierarchicalMemory(
       cwd,

packages/cli/src/gemini.tsx

@@ -412,6 +412,7 @@ export async function main() {
   const partialConfig = await loadCliConfig(settings.merged, sessionId, argv, {
     projectHooks: settings.workspace.settings.hooks,
     skipExtensions: true,
+    skipMemoryLoad: true,
   });
 
   adminControlsListner.setConfig(partialConfig);