feat(commands): add custom commands support for extensions (#4703)

packages/cli/src/config/extension.ts

@@ -13,6 +13,7 @@ export const EXTENSIONS_DIRECTORY_NAME = path.join('.gemini', 'extensions');
 export const EXTENSIONS_CONFIG_FILENAME = 'gemini-extension.json';
 
 export interface Extension {
+  path: string;
   config: ExtensionConfig;
   contextFiles: string[];
 }
@@ -90,6 +91,7 @@ function loadExtension(extensionDir: string): Extension | null {
       .filter((contextFilePath) => fs.existsSync(contextFilePath));
 
     return {
+      path: extensionDir,
       config,
       contextFiles,
     };
@@ -121,6 +123,7 @@ export function annotateActiveExtensions(
       name: extension.config.name,
       version: extension.config.version,
       isActive: true,
+      path: extension.path,
     }));
   }
 
@@ -136,6 +139,7 @@ export function annotateActiveExtensions(
       name: extension.config.name,
       version: extension.config.version,
       isActive: false,
+      path: extension.path,
     }));
   }
 
@@ -153,6 +157,7 @@ export function annotateActiveExtensions(
       name: extension.config.name,
       version: extension.config.version,
       isActive,
+      path: extension.path,
     });
   }