Prepare independent successor playtest with spawn recovery and casualty feedback

docs/evidence/field-corridor-authorship-2026-09-19-2119/review.json

@@ -0,0 +1,219 @@
+{
+  "native_archive": "docs/evidence/native-2026-09-19-211737-field-terrain-audit",
+  "console_sha256": "750f76844dc94b77aa6ca2f6c07b8b874c73e47bcaf5c6adf9fe9af0266f3227",
+  "scope": "Offline coarse-grid authorship only. No full 2m survey, obstacle clearance, aircraft allocation or flight qualification.",
+  "selection_rule": "Rank grid-aligned 100m cardinal routes wholly inside observed bounds by maximum absolute terrain deviation from start terrain plus original0.1m Ground lift, then distance from previous start; sample rectangle includes original40m margins.",
+  "native_grid_nodes": 1681,
+  "coarse_candidates_within_original_height_limit": 40,
+  "chosen": {
+    "start": [
+      4890.0,
+      28.693800000000003,
+      11770.0
+    ],
+    "end": [
+      4890.0,
+      28.693800000000003,
+      11870.0
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+    "max_ground_delta": 0.13130000000000308,
+    "height_range": [
+      28.5625,
+      28.5938
+    ],
+    "coarse_nodes": 171,
+    "distance_to_prior": 42.753315111228225
+  },
+  "top_ten": [
+    {
+      "start": [
+        4890.0,
+        28.693800000000003,
+        11770.0
+      ],
+      "end": [
+        4890.0,
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+        11870.0
+      ],
+      "max_ground_delta": 0.13130000000000308,
+      "height_range": [
+        28.5625,
+        28.5938
+      ],
+      "coarse_nodes": 171,
+      "distance_to_prior": 42.753315111228225
+    },
+    {
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+        28.693800000000003,
+        11760.0
+      ],
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+      "height_range": [
+        28.5625,
+        28.5938
+      ],
+      "coarse_nodes": 171,
+      "distance_to_prior": 47.70834259330312
+    },
+    {
+      "start": [
+        4890.0,
+        28.693800000000003,
+        11750.0
+      ],
+      "end": [
+        4890.0,
+        28.693800000000003,
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+      ],
+      "max_ground_delta": 0.13130000000000308,
+      "height_range": [
+        28.5625,
+        28.5938
+      ],
+      "coarse_nodes": 171,
+      "distance_to_prior": 54.07703720619304
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+    {
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+      "height_range": [
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+      "coarse_nodes": 171,
+      "distance_to_prior": 73.7694106862725
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+    {
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+        28.693800000000003,
+        11860.0
+      ],
+      "end": [
+        4890.0,
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+      "height_range": [
+        28.5625,
+        28.5938
+      ],
+      "coarse_nodes": 171,
+      "distance_to_prior": 82.42381908768805
+    },
+    {
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+        4890.0,
+        28.693800000000003,
+        11870.0
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+      "end": [
+        4890.0,
+        28.693800000000003,
+        11770.0
+      ],
+      "max_ground_delta": 0.13130000000000308,
+      "height_range": [
+        28.5625,
+        28.5938
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+      "coarse_nodes": 171,
+      "distance_to_prior": 91.3534123774253
+    },
+    {
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+        4890.0,
+        28.693800000000003,
+        11780.0
+      ],
+      "end": [
+        4890.0,
+        28.693800000000003,
+        11880.0
+      ],
+      "max_ground_delta": 0.19380000000000308,
+      "height_range": [
+        28.5,
+        28.5938
+      ],
+      "coarse_nodes": 171,
+      "distance_to_prior": 39.74425685555047
+    },
+    {
+      "start": [
+        4890.0,
+        28.693800000000003,
+        11740.0
+      ],
+      "end": [
+        4890.0,
+        28.693800000000003,
+        11840.0
+      ],
+      "max_ground_delta": 0.19380000000000308,
+      "height_range": [
+        28.5,
+        28.5938
+      ],
+      "coarse_nodes": 171,
+      "distance_to_prior": 61.42121744967281
+    },
+    {
+      "start": [
+        4890.0,
+        28.693800000000003,
+        11840.0
+      ],
+      "end": [
+        4890.0,
+        28.693800000000003,
+        11740.0
+      ],
+      "max_ground_delta": 0.19380000000000308,
+      "height_range": [
+        28.5,
+        28.5938
+      ],
+      "coarse_nodes": 171,
+      "distance_to_prior": 65.49935841670465
+    },
+    {
+      "start": [
+        4890.0,
+        28.693800000000003,
+        11880.0
+      ],
+      "end": [
+        4890.0,
+        28.693800000000003,
+        11780.0
+      ],
+      "max_ground_delta": 0.19380000000000308,
+      "height_range": [
+        28.5,
+        28.5938
+      ],
+      "coarse_nodes": 171,
+      "distance_to_prior": 100.4848543463139
+    }
+  ]
+}

docs/evidence/field-corridor-authorship-2026-09-19-2119/review.md

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+# Authored second field corridor
+
+The fixed native grid completed all1,681 queries and retained its original failed-survey verdict. Offline comparison selected start X4890/Z11770 and end X4890/Z11870. The171 coarse samples inside that route plus40m margins range28.5625–28.5938m, at most0.1313m from the original lifted start reference. The previous candidate failed at0.31875m.
+
+This is authored test data, not runtime fallback or qualification. The one new candidate must still pass every original2m terrain sample, full-volume obstacle trace, native model/rotor footprint and post-spawn single-use certificate before one finite allocation/control attempt. No terrain tolerance, corridor margin, node cap, landing rule or flight deadline is changed. Full terrain data and the deterministic ranking definition are included; coarse samples can miss intervening terrain and all obstacles.

docs/evidence/field-corridor-authorship-2026-09-19-2119/sha256.json

@@ -0,0 +1,5 @@
+{
+  "review.json": "764b914857c1347d963cf4818f6151f5838d0581c098c28f3ae43fd42b4b8613",
+  "review.md": "81aaf6d97a227d157b9cf96b8c072009106965bb3c960c4788d846164a4b1a70",
+  "terrain.csv": "9e7462334bf341fa350bc270b16250e11466c8529aa9899aa190c02781b92c64"
+}