{
  "result": "Corrected missing owned mine placement exclusions; native compilation and normal scripted escape completed with retained errors; physical engineer placement remains unqualified.",
  "change": "Mine sites remain25\u201360m from the delivered infantry road post, now at least 15 m from all returned road centerline segments and outside200m named settlement centers. One expanded road query, cached bounded geometry, original finite actor/item/task/arming lifecycle unchanged.",
  "provenance": "Owned predecessor roadblock placement policy re-expressed against independent successor geometry and existing vanilla named-settlement helper. No original Escapists implementation/resources introduced.",
  "source_sha256": {
    "addons/core/Scripts/Game/ERR/10_AI/ERR_EngineerMineSite.c": "d838f5693d4fa5d252d529e59777f560674c02532f1041a5598e938b3a850839",
    "tests/test_engineer_mine_site.py": "b174162dc0621c46835b050d7df1ab9540e2f8f3b1ee805aeba8bb6d4f956a90"
  },
  "original_policy_sha256": {
    "escapists-ai/Scripts/Game/EscapistsAI/EAI_HQRoadblocks.c": "128776f0b448162ee36cfc71b2a38d2cd06d6d6e4679253f215896aa3fcabb98",
    "escapists-ai/Scripts/Game/EscapistsAI/EAI_SettlementSafety.c": "6961ad593d20f86c30b557542b4f67fd44d9579037776b07cd95616927eda83d"
  },
  "review_corrections": [
    "Exact clearance projection includes positive segments shorter than1cm; no endpoint approximation that can miss a closer far endpoint.",
    "Canonical local segment endpoint orientation preserves candidate selection under reversed point order; original native polylines remain unchanged."
  ],
  "bounds": {
    "post_distance_m": [
      25,
      60
    ],
    "minimum_road_centerline_distance_m": 15,
    "excluded_named_settlement_radius_m": 200,
    "road_query_half_extent_xz_m": 80,
    "roads": 128,
    "points_per_road": 1024,
    "total_segments": 4096,
    "candidates": 128,
    "cached_segment_comparisons": 65536,
    "native_checks_max": 128,
    "HQ_site_queries_per_tick": 1
  },
  "offline": {
    "registered_programs": 297,
    "exit": 0,
    "seconds": 213.2,
    "inputs_unchanged": true,
    "baseline": "Actual prior selector compiles, then fails independent15m road-distance assertion.",
    "mutations_caught": 5,
    "harness": "Actual complete selector, existing settlement helper and native standability methods execute with native-boundary doubles."
  },
  "native": {
    "archive": "docs/evidence/native-2026-10-03-mine-flanks-normal",
    "authored_source_files": 421,
    "launch_source_sha256": "c840cc0f89f74cbbc584ba3339440057a01a552abace0081f991c257c2d96af9",
    "assertions_passed": 63,
    "smoke_completions": 1,
    "script_runtime_failures": 1,
    "script_failure": "04:30:22.686   SCRIPT    (E): RandomGenerator::GenerateRandomPointInRadius: minRadius (0.000000) must be lower than maxRadius (0.000000)",
    "error_overlap": "Fourteen engine-error entries include the same one zero-radius script error plus thirteen installed-resource errors; exact caller unknown.",
    "retained_engine_errors": 14,
    "strict_native_qualified": false,
    "cleanup_confirmed": true,
    "source_unchanged": true,
    "external_inputs_unchanged": true,
    "display": "headless Gamescope 1280x720/30Hz",
    "audio": "silent sink and per-test-stream mute",
    "scope": "Compilation and existing normal scripted prison/radio/extraction loop, not engineer movement/drop/arming or manual gameplay."
  },
  "preservation": {
    "original_tracked_files": 533,
    "original_hashes_unchanged": true,
    "prior_candidate_files": 429,
    "prior_candidate_hashes_unchanged": true,
    "cached_index_sha256": "670073db5d7531aca4466cc9d2827d10a46bfcfbd35f27ac97724de9d2fd3725",
    "existing_files_baseline": 10643,
    "modified_existing_files_before_docs": [
      "addons/core/Scripts/Game/ERR/10_AI/ERR_EngineerMineSite.c",
      "tests/test_engineer_mine_site.py"
    ]
  },
  "limits": [
    "15m is distance from centerline, not a guaranteed clearance from the edges of an arbitrarily wide road.",
    "Bounded candidate and comparison limits can conservatively refuse an otherwise feasible site.",
    "Native road/map geometry, engineer walking/drop/arming, real multiplayer, manual escape and comparative FPS remain unqualified.",
    "One new zero-radius RandomGenerator script error has no stack or established caller. No evidence attributes it to mine-site changes; retained for later focused diagnosis. Existing resource errors remain, so this is not a clean release."
  ],
  "package": "Previous mounted-pair development candidate preserved and predates this source correction; no new package, commit or publication."
}