{
  "checker": {
    "claims": [
      {
        "claim": "Remembering and searching stored facts works.",
        "command": "<guest-path> search 'basalt blue' --list",
        "evidence": "Codex probe prefers basalt blue  uid=fact-20261025225618-5caf1e9b8d80  0.1976\n[warn] \u5411\u91cf\u68c0\u7d22\u5931\u8d25\uff08\u5c06\u964d\u7ea7\u4e3a\u7eaf\u5173\u952e\u8bcd\uff0c\u53ec\u56de\u4f1a\u660e\u663e\u53d8\u5dee\uff09: No module named 'chromadb'\n[warn] \u6b63\u786e\u89e3\u91ca\u5668: <guest-path>\n",
        "expected": "Codex probe prefers basalt blue",
        "input": "Codex probe prefers basalt blue",
        "kind": "claim",
        "outcome": "Real input produced the expected result: Codex probe prefers basalt blue",
        "returncode": 0,
        "source": "memtether remember \"User prefers dark theme\" --source claude-code\nmemtether search \"theme\" --layer L0    # First sentence only",
        "source_checked": true,
        "source_file": "README.md",
        "verdict": "yes"
      }
    ],
    "cycle_checks": [
      {
        "claim": "Scheduled or looping main behavior",
        "command": "",
        "evidence": "README and entry points inspected: MemTether provides direct CLI memory operations and no product scheduler, recurring cycle, or webhook trigger.",
        "expected": "identify the product trigger",
        "input": "source inspection",
        "kind": "cycle",
        "outcome": "README and entry points inspected: MemTether provides direct CLI memory operations and no product scheduler, recurring cycle, or webhook trigger.",
        "source": "repository entry points",
        "verdict": "yes"
      }
    ],
    "details": {
      "argv": [
        "<guest-path>",
        "search",
        "basalt blue",
        "--list"
      ],
      "kind": "cli",
      "needs_browser": false,
      "needs_credentials": false,
      "returncode": 0,
      "scope": "product operation",
      "stderr": "[warn] \u5411\u91cf\u68c0\u7d22\u5931\u8d25\uff08\u5c06\u964d\u7ea7\u4e3a\u7eaf\u5173\u952e\u8bcd\uff0c\u53ec\u56de\u4f1a\u660e\u663e\u53d8\u5dee\uff09: No module named 'chromadb'\n[warn] \u6b63\u786e\u89e3\u91ca\u5668: <guest-path>",
      "stdout": " 1. [fact/codex] Codex probe prefers basalt blue  uid=fact-20261025225618-5caf1e9b8d80  0.1976",
      "working": true
    },
    "evidence_strength": "readme_checked",
    "example_checks": [
      {
        "claim": "Demonstrate tamper evident audit chain.",
        "command": "<guest-path> examples/audit_chain_demo.py",
        "deferred": false,
        "evidence": "\u5199\u5165 25 \u6761\u8bb0\u5fc6\uff08\u81ea\u52a8\u751f\u6210 2+ \u4e2a\u5ba1\u8ba1\u951a\u70b9\uff09...\n\u7be1\u6539\u524d verify_chain: PASS {'anchors': 2, 'entries_covered': 20, 'unanchored_tail': 5}\n\n\u6a21\u62df\u653b\u51fb\u8005\u76f4\u63a5\u6539\u5e93...\n\u7be1\u6539\u540e verify_chain: FAIL {'anchor_id': 1, 'reason': 'chain hash mismatch \u2014 audit rows edited after anchoring', 'expected': '28671332118673411653d4488e5d7df7e9b767283243aae1f23e6b0be216ec82', 'recomputed': 'fc28ebb9381107cf8e6b6c655167ce1880c3b883031f9df6205265972fa1eae6'}\n\n\u2705 \u54c8\u5e0c\u94fe\u6210\u529f\u68c0\u6d4b\u5230\u7be1\u6539\uff01\u8fd9\u5c31\u662f MemTether \u7684\u6838\u5fc3\u9632\u5fa1\u80fd\u529b\u3002",
        "expected": "verify_chain detects tampering",
        "input": "synthetic 25 memory audit demo",
        "kind": "example",
        "outcome": "command completed successfully",
        "returncode": 0,
        "source": "README.md TL;DR",
        "verdict": "yes"
      }
    ],
    "status": "PASS"
  },
  "deviations": [
    "Vector retrieval emitted missing chromadb warning and degraded to keyword search, as README describes for skipped optional semantic dependencies."
  ],
  "fault_owner": null,
  "main_blocker": null,
  "operation": "Store and retrieve a memory; demonstrate audit chain tamper detection",
  "operation_scope": "CLI with Python 3.12 and editable package install; semantic vector retrieval optional dependency absent, keyword retrieval exercised",
  "outcome": "working",
  "plain_failure": null,
  "steps": [
    "Created Python 3.12 venv and installed package with pip install -e .",
    "Used documented memtether remember and search commands against isolated MEMTETHER_HOME/MEM_DB",
    "Ran documented python examples/audit_chain_demo.py; it passed verification before tampering and detected the changed audit row afterward",
    "Validated and replayed probe, README claim, and example with checker; all passed"
  ],
  "stuck_step": null,
  "suggested_fix": null
}