fix: add ONECLI_API_KEY to config mock in container-runner tests

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/container-runner.test.ts

@@ -14,6 +14,7 @@ vi.mock('./config.js', () => ({
   DATA_DIR: '/tmp/nanoclaw-test-data',
   GROUPS_DIR: '/tmp/nanoclaw-test-groups',
   IDLE_TIMEOUT: 1800000, // 30min
+  ONECLI_API_KEY: '',
   ONECLI_URL: 'http://localhost:10254',
   TIMEZONE: 'America/Los_Angeles',
 }));