{
  "test_impact": {
    "version": 1,
    "tests": {
      "presets": {
        "c-cbm": true
      }
    },
    "rules": [
      {
        "id": "harness",
        "paths": ["tests/test_framework.h", "tests/test_helpers.*", "tests/test_main.c"],
        "action": "run_all"
      },
      {
        "id": "engine",
        "paths": [".codebase-memory.json", "src/mcp/test_impact*", "src/store/store_impact.*"],
        "action": "run_all"
      },
      {
        "id": "build",
        "paths": ["scripts/**", "test-infrastructure/**", "pkg/**"],
        "action": "run_all"
      },
      {
        "id": "grammars",
        "paths": ["internal/cbm/vendored/**"],
        "action": "run_all"
      },
      {
        "id": "fixtures",
        "paths": ["tests/fixtures/*/**"],
        "action": "referencing_tests",
        "key": "path_segment:2"
      },
      {
        "id": "contracts",
        "paths": ["tests/**/*.{sh,py,json,txt}"],
        "action": "ignore"
      },
      {
        "id": "notices",
        "paths": ["NOTICE*", "CHANGELOG*", "THIRD_PARTY*"],
        "action": "ignore"
      }
    ],
    "unmapped_files": "run_all",
    "coverage": {
      "compatibility_paths": [
        "tests/test_framework.h",
        "tests/test_main.c",
        "tests/test_helpers.h",
        "Makefile.cbm",
        "scripts/test-impact/coverage-map.py",
        "scripts/test-impact/coverage-merge.py"
      ]
    }
  }
}