Add initial implementation of /extensions explore command (#19029)

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

@@ -224,4 +224,59 @@ describe('ExtensionRegistryClient', () => {
       'Failed to fetch extensions: Not Found',
     );
   });
+
+  it('should not return irrelevant results', async () => {
+    fetchMock.mockResolvedValue({
+      ok: true,
+      json: async () => [
+        ...mockExtensions,
+        {
+          id: 'dataplex',
+          extensionName: 'dataplex',
+          extensionDescription: 'Connect to Dataplex Universal Catalog...',
+          fullName: 'google-cloud/dataplex',
+          rank: 6,
+          stars: 6,
+          url: '',
+          repoDescription: '',
+          lastUpdated: '',
+          extensionVersion: '1.0.0',
+          avatarUrl: '',
+          hasMCP: false,
+          hasContext: false,
+          isGoogleOwned: true,
+          licenseKey: '',
+          hasHooks: false,
+          hasCustomCommands: false,
+          hasSkills: false,
+        },
+        {
+          id: 'conductor',
+          extensionName: 'conductor',
+          extensionDescription: 'A conductor extension that actually matches.',
+          fullName: 'someone/conductor',
+          rank: 100,
+          stars: 100,
+          url: '',
+          repoDescription: '',
+          lastUpdated: '',
+          extensionVersion: '1.0.0',
+          avatarUrl: '',
+          hasMCP: false,
+          hasContext: false,
+          isGoogleOwned: false,
+          licenseKey: '',
+          hasHooks: false,
+          hasCustomCommands: false,
+          hasSkills: false,
+        },
+      ],
+    });
+
+    const results = await client.searchExtensions('conductor');
+    const ids = results.map((r) => r.id);
+
+    expect(ids).not.toContain('dataplex');
+    expect(ids).toContain('conductor');
+  });
 });

packages/cli/src/config/extensionRegistryClient.ts

@@ -79,7 +79,7 @@ export class ExtensionRegistryClient {
     const fzf = new AsyncFzf(allExtensions, {
       selector: (ext: RegistryExtension) =>
         `${ext.extensionName} ${ext.extensionDescription} ${ext.fullName}`,
-      fuzzy: 'v2',
+      fuzzy: true,
     });
     const results = await fzf.find(query);
     return results.map((r: { item: RegistryExtension }) => r.item);
@@ -108,7 +108,6 @@ export class ExtensionRegistryClient {
         // eslint-disable-next-line @typescript-eslint/no-unsafe-type-assertion
         return (await response.json()) as RegistryExtension[];
       } catch (error) {
-        // Clear the promise on failure so that subsequent calls can try again
         ExtensionRegistryClient.fetchPromise = null;
         throw error;
       }