Rebuild local Blender WASM environment and recovery evidence

tools/web/check-wbv2-p5-003-desktop.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+import hashlib
+import json
+import pathlib
+import sys
+
+import bpy
+
+
+def state():
+    scene = bpy.context.scene
+    receipt = bpy.data.texts.get("WBV2-P5-003-ServerJobBindingReceipt")
+    cube = bpy.data.objects.get("WBV2P5003ServerCube")
+    if receipt is None or cube is None:
+        raise RuntimeError("server job fixture is missing receipt or cube")
+    return {"sceneId": "scene:" + scene.name, "cubeId": "object:" + cube.name, "engine": scene.render.engine, "resolution": [scene.render.resolution_x, scene.render.resolution_y], "receipt": json.loads(receipt.as_string())}
+
+
+def main():
+    arguments = sys.argv[sys.argv.index("--") + 1 :]
+    if len(arguments) != 2:
+        raise SystemExit("usage: blender -b --factory-startup --python check-wbv2-p5-003-desktop.py -- FIXTURE REPORT")
+    fixture, output = (pathlib.Path(value).resolve() for value in arguments)
+    bpy.ops.wm.open_mainfile(filepath=str(fixture), load_ui=False)
+    before = state()
+    temporary = fixture.with_name(f"{fixture.stem}-reopen.blend")
+    try:
+        bpy.ops.wm.save_as_mainfile(filepath=str(temporary), check_existing=False, compress=True)
+        bpy.ops.wm.open_mainfile(filepath=str(temporary), load_ui=False)
+        after = state()
+    finally:
+        temporary.unlink(missing_ok=True)
+    if before != after:
+        raise RuntimeError(f"server job save/reopen drift: {before} != {after}")
+    report = {"schemaVersion": 1, "task": "WBV2-P5-003", "operation": "SERVER_JOB_BINDING_DESKTOP", "fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(), "state": after, "saveReopen": "EXACT", "blenderVersion": bpy.app.version_string}
+    output.parent.mkdir(parents=True, exist_ok=True)
+    output.write_text(json.dumps(report, indent=2, sort_keys=True) + "\n", encoding="utf-8")
+    print("wbv2-p5-003-desktop-ok engine=%s request=%s result=%s saveReopen=exact" % (after["engine"], after["receipt"]["request"]["requestSha256"], after["receipt"]["result"]["resultSha256"]))
+
+
+if __name__ == "__main__":
+    main()