{
  "checker": {
    "details": {
      "argv": [
        "<host-path>",
        "procedures",
        "execute-tactus",
        "return api_list{}"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "",
      "stdout": "{\"ok\": true, \"value\": {\"resources\": {\"Assignment\": {\"verbs\": [\"create\", \"get\", \"list\", \"update\"], \"description\": \"Private newsroom work records for research, reporting, copywriting, analysis, and future assignment types.\", \"create\": {\"supportedTypes\": [\"research\"], \"required\": [\"type\", \"title\"], \"optional\": [\"summary\", \"sectionKey\", \"instructions\", \"corpusKey\", \"researchMode\", \"priority\", \"status\", \"importRunId\", \"actorLabel\", \"apply\"], \"writes\": [\"Assignment\", \"AssignmentEvent\"], \"applyDefault\": false}, \"get\": {\"required\": [\"id\"]}, \"list\": {\"optional\": [\"limit\", \"status\", \"type\", \"sectionKey\", \"importRunId\"]}, \"update\": {\"required\": [\"id\", \"status\"], \"optional\": [\"note\", \"actorLabel\", \"apply\"], \"writes\": [\"Assignment\", \"AssignmentEvent\"], \"applyDefault\": true}}, \"AssignmentEvent\": {\"verbs\": [\"get\", \"list\"], \"description\": \"Audit events for Assignment lifecycle changes. Writes happen through Assignment verbs in v1.\"}, \"Message\": {\"verbs\": [\"get\", \"list\"], \"description\": \"Private work-product and console-message records.\"}, \"MessageThread\": {\"verbs\": [\"get\", \"list\", \"create\", \"append\"], \"description\": \"Edition/section forum coordination threads and replies.\"}, \"Reference\": {\"verbs\":\n[excerpt truncated]",
      "working": true
    },
    "status": "PASS"
  },
  "deviations": [
    "apt-get needed sudo; Poetry was not preinstalled, installed via pip into a separate venv.",
    "README 'poetry install' does not install tactus; the 'newsroom' extra (tactus, markitdown, tiktoken) is optional in pyproject.toml. First run of execute-tactus failed with \"No module named 'tactus'\"; ran 'poetry install -E newsroom' and the operation then succeeded."
  ],
  "main_blocker": null,
  "operation": "papyrus procedures execute-tactus 'return api_list{}' (README Commands section) returns the newsroom resource catalog with ok:true",
  "operation_scope": "Local, no credentials or cloud access needed. Not exercised: cloud backend, AWS sandbox, npm run dev, browser/CDP, test suites (excluded by task).",
  "outcome": "working",
  "steps": [
    "apt-get install nodejs npm python3-pip python3-venv (via sudo)",
    "pip install poetry into /tmp/poetry-venv (Poetry 2.5.1)",
    "npm install (NODE_USE_ENV_PROXY=1)",
    "poetry install (creates .venv)",
    "poetry install -E newsroom",
    "papyrus --help",
    "papyrus procedures execute-tactus 'return api_list{}'"
  ],
  "stuck_step": null,
  "suggested_fix": null
}