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      "deadlock_diagnostic": "10s confined within 0.35 units; 5s yielding grace; one event until escape"
    },
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      "map_seed": 32001,
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      "frozen_pool": "outputs/shared/selected",
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              "repeat_clean_rate": 0.6666666666666666
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              "timeouts_after_confinement": 2,
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              "timeouts_after_confinement": 0,
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      "deadlock_diagnostic": "10s confined within 0.35 units; 5s yielding grace; one event until escape"
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  "validation": {
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      "decisions": 6000,
      "seconds": 600,
      "no_resets": true,
      "finite": true,
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        {
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        {
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        {
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        {
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        {
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          "remaining": 8.711,
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        {
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        {
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        {
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          "global_retries": 0,
          "confined_ticks": 5,
          "terrain_contacts": 0,
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        },
        {
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    },
    "browser": {
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      "seed": 73,
      "contract": 3,
      "trained": true,
      "models": "s575-c2",
      "settings": {
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        "a": 6,
        "b": 6,
        "biome": 1,
        "tunnels": 1,
        "cut": 1,
        "sensors": 4,
        "sensorsAll": 1
      },
      "start_utc": "2026-09-18T17:06:37.337Z",
      "end_utc": "2026-09-18T17:19:54.549Z",
      "initial_tick": 0,
      "final_tick": 6115,
      "simulation_seconds": 611.5,
      "wall_seconds": 797.212,
      "initial_active": 12,
      "initial_arrivals": [
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      "initial_contacts": [
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      "no_resets": true,
      "no_control_or_equipment_changes": true,
      "observed_js_gl_errors": [],
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      "final_units": [
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          "remaining": 40.18,
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          "position": [
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        },
        {
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          "remaining": 3.301,
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          "position": [
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          "active": 1,
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        },
        {
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          "remaining": 96.326,
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          "position": [
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        {
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          "remaining": 161.799,
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          "position": [
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        {
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          "position": [
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          "active": 1,
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        },
        {
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          "remaining": 150.827,
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          "position": [
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        },
        {
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        {
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          "position": [
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          "active": 1,
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        },
        {
          "id": 8,
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          "position": [
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          "active": 1,
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        },
        {
          "id": 9,
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          "global_retries": 3,
          "confined_ticks": 1805,
          "remaining": 60.542,
          "failed": 0,
          "position": [
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          "active": 1,
          "timeout": 0,
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          "deadlocks": 2,
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        },
        {
          "id": 10,
          "family": 4,
          "arrivals": 2,
          "contacts": 0,
          "collisions": 0,
          "terrain_contacts": 0,
          "unit_contacts": 0,
          "global_retries": 0,
          "confined_ticks": 34,
          "remaining": 184.988,
          "failed": 0,
          "position": [
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          "active": 1,
          "timeout": 0,
          "replans": 15,
          "deadlocks": 0,
          "assists": 137
        },
        {
          "id": 11,
          "family": 4,
          "arrivals": 0,
          "contacts": 4235,
          "collisions": 25,
          "terrain_contacts": 0,
          "unit_contacts": 4235,
          "global_retries": 3,
          "confined_ticks": 1810,
          "remaining": 94.362,
          "failed": 0,
          "position": [
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          "active": 1,
          "timeout": 0,
          "replans": 42,
          "deadlocks": 2,
          "assists": 4063
        }
      ],
      "summary": "Chrome ran 611.5 simulated seconds in 797.2 wall seconds, without resets or controller/equipment changes. No console runtime/GL errors were observed. Navigation failed: one fixed wing stopped after contact, the quadcopter remained confined for 106.1 seconds at the final snapshot, and two submarines completed no missions and recorded 4,235 unit-contact decisions each.",
      "timeline": [
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          "at": "2026-09-18T17:06:37.337Z",
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        },
        {
          "at": "2026-09-18T17:07:07.376Z",
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        {
          "at": "2026-09-18T17:10:23.339Z",
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          "contacts": [
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          "confined_ticks": [
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        },
        {
          "at": "2026-09-18T17:13:02.310Z",
          "ticks": 2991,
          "arrivals": [
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          "contacts": [
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          "confined_ticks": [
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    },
    "endurance_summary": "Chrome ran 611.5 simulated seconds in 797.2 wall seconds, without resets or controller/equipment changes. No console runtime/GL errors were observed. Navigation failed: one fixed wing stopped after contact, the quadcopter remained confined for 106.1 seconds at the final snapshot, and two submarines completed no missions and recorded 4,235 unit-contact decisions each."
  },
  "limitations": [
    "Candidate checkpoints are not deployed. The public Map Lab keeps the September 16 contract-2 policies; this report records an experimental contract-3 system.",
    "The 95% collision-free arrival target is not met in every family. The deterministic tracker with recovery remains an essential baseline; PPO improvements cannot be inferred from training completion.",
    "The 600-second native patrol had a persistently confined quadcopter, a fixed-wing impact and repeated submarine contact. No resets, finite state and nonoverlapping hulls are runtime checks, not navigation success.",
    "Safety assistance was refined on diagnostic and endurance cases after training and before final tests. Improved combined-system behavior must not be attributed solely to learned PPO.",
    "Conditional return trips have controller-dependent denominators. Initial trips are reported separately. Scenario labels describe intended encounters; generated geometry does not guarantee every interaction.",
    "Ten-second confinement is a warning, not proof of permanent mutual deadlock. Both successful arrivals and timeouts after confinement are counted separately.",
    "Historical traffic diversifies navigation behavior. Competitive faction self-play, combat objectives, noisy localization and authoritative cosmetic-prop collision remain future work."
  ],
  "report_url": "https://github.com/rozgo/alienwars-gym/blob/main/docs/runs/navigation-reliability-2026-09-18.md",
  "records_url": "https://github.com/rozgo/alienwars-gym/releases/tag/navigation-reliability-2026-09-18",
  "deployment_decision": "Reject promotion: all-family reliability and endurance gates failed. Preserve existing public policies."
}
