render parity: close SpeedTree .spt 0x4E25 follow-up (billboard rect, not leaf texcoords)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

audit/history.jsonl

@@ -569,3 +569,4 @@
 {"date": "2026-09-28T05:08:46+00:00", "unit": "EterPythonLib/PythonGraphic.cpp", "action": "unit I: SetGamma, RenderCoolTimeBox, RenderUp/DownButton, GetAvailableMemory ported from 40250 (stubs removed); cooldown fan drawn as polygon UI commands; SetViewport/RestoreViewport documented as ADAPTED (device viewport + UI clip)", "evidence": "port.app_loop drawing_primitives checks fan geometry at fTime 0.25/0.3/1.0 and viewport clip push/pop; cooldown visuals NEEDS_LIVE"}
 {"date": "2026-09-28T05:22:26+00:00", "unit": "UserInterface/PythonApplication.cpp", "action": "unit J: Process gains 40250's render-time/face-count block and automatic sight range (SetViewDistanceSet(0)); SetForceSightRange/SkipRenderBuffering ported from stubs; invented SetCursorPosition in UpdateGame removed; boilerplate notes on RenderGame/UpdateGame/Process/Destroy replaced (Destroy marked DIVERGENT: never called, teardown via PythonBoot::Stop)", "evidence": "ctest -j3 35/35; fake-server spawn frame 900 mean abs diff 0.33/255 vs previous (fog range not in view); sight-range visuals NEEDS_LIVE"}
 {"date": "2026-09-28T05:29:23+00:00", "unit": "EterLib/GrpImageTexture.cpp", "action": "unit K: DXT DDS textures upload the file's own mip levels (40250 CreateDDSTexture: max(1,dwMipMapCount), dwLinearSize>>2i Copy) instead of a regenerated chain; non-DDS keep the D3DX_DEFAULT full chain; mem: textures one level; invented is_ui_tex no-mip rule (icon/ui/locale/<=128px) deleted; dxt_decode_test registered in ctest with mip-level cases", "evidence": "ctest -j3 36/36; fake-server spawn frame 900: near terrain diff 0.00, far terrain 2.7/255 (minified levels now from the file), rest is UI timing (area title/chat); far-terrain look NEEDS_LIVE"}
+{"date": "2026-09-28T05:33:21+00:00", "unit": "SpeedTreeLib/SpeedTreeWrapper.cpp", "action": "SpeedTree follow-up closed without code change: .spt 0x4E25 is one composite rect per file (87/87, independent of 1-3 leaf maps) and overlays on the atlases put it on the billboard tree image for most species, so it is not the leaf-map texcoords; the hand-picked leaf rects stay DIVERGENT, note updated", "evidence": "byte dump of b1_baobab_rt.spt tail (0x4E20/0x4E22 name/0x4E23 b/0x4E24 b/0x4E25 8f/0x4E21); count over 87 .spt files; atlas overlays of 9 species"}

audit/port-map/SpeedTreeLib/SpeedTreeWrapper.cpp.json

@@ -68,7 +68,7 @@
       "impl": [
         "extension/src/port/SpeedTreeLib/SpeedTreeWrapper.cpp:CSpeedTreeWrapper::SetupLeafBuffers"
       ],
-      "note": "verbatim. DIVERGENT input: the stand-in's leaf clusters and composite-atlas rects are hand-picked (not the .spt leaf-map texcoords); NEEDS_LIVE"
+      "note": "verbatim. DIVERGENT input: the stand-in's leaf clusters and composite-atlas rects are hand-picked (the .spt stores no per-leaf-map texcoords: leaf entries 0x0FA0-0x0FA7 carry colour/path/origin/size only, and the single 8-float 0x4E25 rect in the 0x4E20 composite block, one per file for 1-3 leaf maps, frames the billboard cell in most atlases; billboards never render in 40250 since SetLodLevel(1.0)); NEEDS_LIVE"
     },
     "CSpeedTreeWrapper::Advance": {
       "status": "PORTED",