Correct GPU source revision metadata

Update only UPSTREAM.json and RELEASE_MANIFEST.json to identify the b90 simulator/CUDA source and retained d8 importer. Runtime files and binaries are unchanged; preserve existing protected visibility.

RELEASE_MANIFEST.json

@@ -14,7 +14,7 @@
     "README.md": "b2e1d4a21c1ffd0d652a6e2448284b358f4e42dbfa8a0af6b1842d55c2f7c954",
     "STORAGE_BOUNDARY.md": "9a1ffb5854230690dba3f0895f9a8e570716de47be2c553de13a6892dd740015",
     "TRACK_LIBRARY.md": "66b3656ed84f137d5b6116a0075731cd467818f555cca0969084aff67875319f",
-    "UPSTREAM.json": "40a2f31fa9abc11e47e247c56909b93b587d1f5be524ab158b24f1f9eed93765",
+    "UPSTREAM.json": "003235bbdf5e966561797fbe3d8bfc65c7c43d4a887fa54c3e6a96fb7c0c6938",
     "app.py": "162486abd6ac7c9281c8e75c15e33373e0fddba2baf6a799dfd54d333fd575d2",
     "app_release.py": "7482559c667a665fd3cb6aa8af6c78422a822b515e14589db8306f7fd4860a8b",
     "assets/formula_template.json": "80f745df82bb7be45af52785fd582460bcddc63c5a4e1d8375d85b3122db4c6b",
@@ -77,5 +77,5 @@
     "worker.py": "481ba85e6edceb0ed6aa993b028029a2f10ab2d7c983ef16c2a4cdcd7c084894"
   },
   "interface": "single-engine-runner-with-map",
-  "upstream_revision": "d8ab74c25df70b6a86ed101080e33d5fb785ea6f"
+  "upstream_revision": "b90b8af06ffc4ea4e4fd703becd1107a48b8e5e0"
 }

UPSTREAM.json

@@ -1,15 +1,12 @@
 {
   "repository": "https://github.com/Zorro909/driving_sim_rs",
-  "commit": "d8ab74c25df70b6a86ed101080e33d5fb785ea6f",
+  "commit": "b90b8af06ffc4ea4e4fd703becd1107a48b8e5e0",
   "math_profile": "proton",
   "role": "gpu",
   "ui_refresh_date": "2026-10-12",
-  "newer_source_checked": "b90b8af06ffc4ea4e4fd703becd1107a48b8e5e0",
-  "newer_features_outside_worker_scope": [
-    "five-wheel snowmobile GPU support"
-  ],
   "open_prs_not_included": [
     19,
     21
-  ]
+  ],
+  "importer_source_revision": "d8ab74c25df70b6a86ed101080e33d5fb785ea6f"
 }