Preserve animation safeguards and implement native deck angles after SDK merge

Retain focused regression coverage and consolidate build/launch scripts with release workflow updates. Validated game build and four regressions including 5400 simulation ticks.

docs/THIRD_PARTY_NOTICES.md

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+# Third-party notices
+
+Bevy sources retain their MIT and Apache licenses under `vendor/`.
+
+Retail world shading equations were referenced against Alex's Skate3Recomp
+native renderer. Source revision and implementation scope are documented in
+`docs/retail-renderer.md`. No game shaders or texture payloads are bundled.
+
+`tools/vendor/utt` contains the MIT-licensed UTT RX2/model parsers by duckyinnit.
+The full license is alongside the source. No UTT game payloads or executables
+are bundled.
+
+The map exporters and archive readers come from the MIT-licensed Skate 3
+Custom Engine Layer. See `tools/vendor/university/LICENSE-PROJECT.md`.
+The supplied preview.18 exporter has an explicit lossless v14 storage mode for
+this runtime. The character scripts are the project's existing clone converters;
+the ABIN/RX2 toolkit provenance is in `tools/vendor/skate3_anim/PROVENANCE.md`.
+
+The AttribSys converter uses the publicly documented VaultLib layout as a
+reference: https://github.com/NFSTools/VaultLib. Its lookup8 hash and record
+reader preserve data from the user's BIN/VLT files; no settings payload is
+bundled.
+
+Release setup uses direct Python GLB and SKATE writers adapted from those
+source converters. Blender is not downloaded, bundled or invoked. The retained
+editor authoring scripts are excluded from release packages. XboxDev
+extract-xiso retains its own license files. Game assets are never downloaded
+from this project.
+
+The setup executable bundles Python, NumPy, Pillow, Tcl/Tk and PyInstaller's
+bootloader. Their license information is retained by the packager alongside
+its bundled libraries. No game content is included in the release archive.