engine macos-arm64: fec9847 — spring-bone collision fix + lateral coupling

a5debaa: colliders mapped into sim space in the wrong transform order —
off-origin cloth collision silently dead (invisible at origin/bed).
fec9847: lateral_coupling (game calls it). GodotSharp regenerated from
this build — matched pair, install via the update-engine skill.

manifest.json

@@ -4,17 +4,16 @@
     "macos-arm64": {
       "binary": "engine/macos-arm64/tinqs.macos.editor.arm64.mono",
       "godotsharp": "engine/macos-arm64/GodotSharp",
-      "version": "4.7.stable.mono.custom_build.4ba7b5b5b",
+      "version": "4.7.stable.mono.custom_build.fec98475e",
       "engine_repo": "tinqs/engine",
-      "engine_commit": "5727de0",
-      "sha256": "19cd60deb5bbeec463319e74706d348ccc325efe096a5f319554aa031e58cfe8",
+      "engine_commit": "fec9847",
+      "sha256": "9ef73283dc36beee104e89cae7e7a3735b369f55d89b7915123ba033f10e4386",
       "target": "editor",
-      "built_on": "2026-06-19",
-      "built_by": "Claude (4.7 native-module fix — Godot 4.7-stable + Tinqs branding + 10 agent modules + Terrain3D & agent_skinned as NATIVE engine modules)",
-      "toolchain": "Xcode 26.3 (Apple clang 17)",
+      "built_on": "2026-08-21",
+      "built_by": "Kimi/Kraken (spring-bone collision fix + lateral coupling — cloth lane)",
+      "toolchain": "Xcode (Apple Silicon), SCons, VulkanSDK 1.4.350.0",
       "scons_flags": "platform=macos target=editor arch=arm64 module_mono_enabled=yes vulkan_sdk_path=~/VulkanSDK/1.4.350.0/macOS",
-      "note": "Terrain3D is now a NATIVE ENGINE MODULE (no separate GDExtension .framework). 4.7 C#-bindability fixes: Terrain3D::set_plugin EditorPlugin*->Object*, Terrain3DAssetResource registered abstract, dropped redundant Terrain3DRegion::duplicate bind — so GodotSharp glue generates wrappers for all module classes. GodotSharp shipped here alongside the binary (matched pair: a stale GodotSharp -> 'Wrapper class not found for Terrain3D'). REBUILT 2026-06-19 to restore Tinqs branding (the 4.7 upstream rebase had reset the logos to the Godot robot) — splash/app_icon/editor logos now the Viewport-Focus mark; see engine/brand/apply-branding.sh. Verified: terrain renders, animals GPU-driven, 0 wrapper errors. GodotSharp folder is UNCHANGED from the prior push (logo-only rebuild doesn't touch C# bindings).",
-      "version_hash_note": "engine main = 5727de0 (branding) on top of the 4.7 snapshot; binary --version prints 4.7.stable.mono.custom_build.4ba7b5b5b"
+      "note": "Engine main fec9847: a5debaa fixes SpringBoneCollision3D::get_transform_from_skeleton transform order — cloth colliders drifted ~(pelvisBasis-I)*worldPos OFF-ORIGIN (everywhere in game; invisible at origin/bed), A/B-verified; fec9847 adds lateral_coupling (game code calls it — older binaries silently lose it). GodotSharp REGENERATED from this build (glue now includes lateral_coupling) — install binary + GodotSharp together via the update-engine skill. Terrain3D + agent_skinned remain native modules."
     },
     "windows-x64": {
       "binary": "engine/windows-x64/tinqs.windows.editor.x86_64.mono.exe",