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acdream/tests/AcDream.Core.Tests/Fixtures/issue98/live-capture.jsonl
Erik 44614ab591 test(phys): A6.P3 #98 — comparison harness + first evidence-driven finding 
The capture apparatus pays off on the FIRST iteration. Three records
sampled from a live cottage-cellar session — tick 0 (spawn at Z=92.53),
tick 376 (player on the cellar ramp at Z=91.49), and tick 1183 (first
cap event, foot Z=92.74 with cn=(0,0,-1)) — replayed against the
harness engine reveal:

- LiveCompare_Tick0_Spawn:                  PASSES (full round-trip).
- LiveCompare_Tick376_OnRamp:               PASSES (ramp walkable
                                            polygon hydrates correctly,
                                            engine reproduces live).
- LiveCompare_FirstCap_HeadHitsCottageFloor: FAILS by exactly the
                                            divergence shape that names
                                            the missing fixture.

The cap-record divergence:
  Result.Position:       live=(141.3865,7.2243,92.7390)
                         harness=(141.3599,7.2243,92.7390)  (Y slid; X stuck)
  Result.CollisionNormal:live=(0,0,-1)  ← downward = cottage floor from below
                         harness=(0,0,+1) ← upward = some other floor

Plus the LiveCompare_FirstCap_DiagnosticDump test (always passes; it's
a probe-firing scratch test) prints every cell polygon in world frame:

  Cellar 0xA9B40147 — ceiling polys at world Z=93.80 cover X=133-142,
  Y=-1.0-11.5 but NOT the sphere XY of (141.39, 7.03) — at the right
  edge of Y=7.03 the ceiling quads are at Y<3.90 or Y>8.70.

  Cottage 0xA9B40143 — floor polys at world Z=94.0 cover X=136.7-140.5,
  Y=3.9-13.1 but NOT (141.39, 7.03) either — at X=141.39 we are 0.89m
  east of the floor quad's rightmost vertex.

  Cottage 0xA9B40146 — only 4 walls, no floor.

So both cells we have CAN'T produce the live's cn=(0,0,-1). The actual
blocking polygon must be in a cell or static object we haven't loaded
into the harness yet. The cellar is rectangularly bounded; the cottage
above has a floor that spans the cottage, but the floor polygon RIGHT
ABOVE the ramp top (which is where the freeze fires) is in some OTHER
cell — either a separate cottage-floor sub-cell or a building static
GfxObj.

This is the first evidence-driven step in the saga. Six sessions of
speculation produced ten failed fix shapes; the apparatus produced
this finding in one round trip. Next step: re-capture with
ACDREAM_PROBE_POLY_DUMP + ACDREAM_DUMP_CELLS covering 0xA9B40140-
0xA9B4014F to identify the missing fixture cell.

Adds:
- LiveCompare_Tick0_Spawn / Tick376_OnRamp / FirstCap_HeadHitsCottageFloor
- LiveCompare_FirstCap_DiagnosticDump (always passes; dumps cell polys
  in world frame + enables every relevant probe so the captured stdout
  shows the harness BSP query path)
- tests/AcDream.Core.Tests/Fixtures/issue98/live-capture.jsonl
  (3 representative records from the 41,228-record live capture)
- AssertCallMatchesCapture helper: per-field diff with Vector3 / float
  tolerances, reports every divergence not just the first.

Test baseline maintained at 1172 + 8 baseline + 5 new tests pass +
1 known-failing test that pinpoints the bug = 1178 + 9 (where the
new failure is the desired evidence-driven test).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-23 19:58:51 +02:00

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