fix: LLM health check via mcplocal instead of spawning gemini directly

Status command now queries mcplocal's /llm/health endpoint instead of
spawning the gemini binary. This uses the persistent ACP connection
(fast) and works for any configured provider, not just gemini-cli.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/cli/tests/commands/status.test.ts

@@ -134,13 +134,23 @@ describe('status command', () => {
     expect(out).toContain('✗ not authenticated');
   });
 
-  it('shows binary not found error', async () => {
+  it('shows error message from mcplocal', async () => {
     saveConfig({ ...DEFAULT_CONFIG, llm: { provider: 'gemini-cli', model: 'gemini-2.5-flash' } }, { configDir: tempDir });
     const cmd = createStatusCommand(baseDeps({ checkLlm: async () => 'binary not found' }));
     await cmd.parseAsync([], { from: 'user' });
     expect(output.join('\n')).toContain('✗ binary not found');
   });
 
+  it('queries mcplocal URL for LLM health', async () => {
+    saveConfig({ ...DEFAULT_CONFIG, mcplocalUrl: 'http://custom:9999', llm: { provider: 'gemini-cli', model: 'gemini-2.5-flash' } }, { configDir: tempDir });
+    let queriedUrl = '';
+    const cmd = createStatusCommand(baseDeps({
+      checkLlm: async (url) => { queriedUrl = url; return 'ok'; },
+    }));
+    await cmd.parseAsync([], { from: 'user' });
+    expect(queriedUrl).toBe('http://custom:9999');
+  });
+
   it('uses spinner on TTY and writes final result', async () => {
     saveConfig({ ...DEFAULT_CONFIG, llm: { provider: 'gemini-cli', model: 'gemini-2.5-flash' } }, { configDir: tempDir });
     const cmd = createStatusCommand(baseDeps({