{
  "name": "search-with-fallback: both collections empty",
  "inputs": {
    "query": "nonexistent topic xyz",
    "primary_collection": "api_docs",
    "fallback_collection": "knowledge"
  },
  "mocks": {
    "query": {
      "results": [],
      "resultCount": 0
    }
  },
  "expect": {
    "steps": {
      "primary_search": { "status": "completed" },
      "check_results": { "status": "completed" },
      "format_primary": { "status": "skipped" },
      "fallback_search": { "status": "completed" },
      "format_fallback": { "status": "completed" }
    },
    "noErrors": true
  }
}