)]}'
{
  "commit": "1d9639fe5faf7bb9a0e8c7a2a8c6f2286b11b638",
  "tree": "4d8353cd5101f7061de9f76b7d2c61ec7139a140",
  "parents": [
    "26f4572f9fc8ab78d201290ff897e4618a352cc0"
  ],
  "author": {
    "name": "Kim Morrison",
    "email": "kim@tqft.net",
    "time": "Wed Jan 07 11:15:57 2026 +1100"
  },
  "committer": {
    "name": "Kim Morrison",
    "email": "kim@tqft.net",
    "time": "Wed Jan 07 12:20:32 2026 +1100"
  },
  "message": "fix: use correct APIs for MessageLog.empty and String.contains\n\n- Replace `.empty` with `MessageLog.empty` (no EmptyCollection instance)\n- Replace `.containsSubstr` with `.contains` (containsSubstr doesn\u0027t exist)\n\n🤖 Generated with [Claude Code](https://claude.com/claude-code)\n\nCo-Authored-By: Claude Opus 4.5 \u003cnoreply@anthropic.com\u003e\n",
  "tree_diff": [
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      "new_mode": 33188,
      "new_path": "src/Lean/Elab/GuardMsgs.lean"
    },
    {
      "type": "modify",
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}