feat(cli): add streamlined gemini gemma local model setup (#25498)

Co-authored-by: Abhijit Balaji <abhijitbalaji@google.com>
Co-authored-by: Samee Zahid <sameez@google.com>
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

packages/cli/src/config/settingsSchema.ts

@@ -2169,6 +2169,26 @@ const SETTINGS_SCHEMA = {
             default: false,
             description:
               'Enable the Gemma Model Router (experimental). Requires a local endpoint serving Gemma via the Gemini API using LiteRT-LM shim.',
+            showInDialog: true,
+          },
+          autoStartServer: {
+            type: 'boolean',
+            label: 'Auto-start LiteRT Server',
+            category: 'Experimental',
+            requiresRestart: true,
+            default: false,
+            description:
+              'Automatically start the LiteRT-LM server when Gemini CLI starts and the Gemma router is enabled.',
+            showInDialog: true,
+          },
+          binaryPath: {
+            type: 'string',
+            label: 'LiteRT Binary Path',
+            category: 'Experimental',
+            requiresRestart: true,
+            default: '',
+            description:
+              'Custom path to the LiteRT-LM binary. Leave empty to use the default location (~/.gemini/bin/litert/).',
             showInDialog: false,
           },
           classifier: {