Checkpoint web parity through Chromium input tasks

tests/files/web/archive-security/manifest.json

@@ -0,0 +1,68 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-04J",
+  "generator": "tools/web/generate-malicious-archive-fixtures.mjs",
+  "extractionAllowed": false,
+  "cases": [
+    {
+      "id": "ZIP_PATH_TRAVERSAL",
+      "format": "ZIP",
+      "file": "zip-path-traversal.zip",
+      "threat": "ARCHIVE_ROOT_ESCAPE",
+      "gate": "LINK_SAFETY",
+      "byteLength": 132,
+      "sha256": "284fe1612ca049ec73f083fc6550f64078e8115bf85adea5431402fb73621f43",
+      "expectedCode": "IO_ARCHIVE_UNSAFE"
+    },
+    {
+      "id": "ZIP_COMPRESSION_BOMB",
+      "format": "ZIP",
+      "file": "zip-compression-bomb.zip",
+      "threat": "COMPRESSION_RATIO",
+      "gate": "CONFLICTS",
+      "byteLength": 115,
+      "sha256": "8394d639dfdb04e94b9a2fe06d4d37e31f3bdbe47b6a581c6dc8238d7c98a8da",
+      "expectedCode": "IO_ARCHIVE_UNSAFE"
+    },
+    {
+      "id": "ZIP_DUPLICATE_PATH",
+      "format": "ZIP",
+      "file": "zip-duplicate-path.zip",
+      "threat": "DUPLICATE_PATH",
+      "gate": "LINK_SAFETY",
+      "byteLength": 212,
+      "sha256": "830441041ecc26c0ba327cd24e6d1e19f7f3afc78474e08659d5adb35d8236ab",
+      "expectedCode": "IO_ARCHIVE_UNSAFE"
+    },
+    {
+      "id": "TAR_PATH_TRAVERSAL",
+      "format": "TAR",
+      "file": "tar-path-traversal.tar",
+      "threat": "ARCHIVE_ROOT_ESCAPE",
+      "gate": "LINK_SAFETY",
+      "byteLength": 2048,
+      "sha256": "d21c2ea584e7e64b3d40c1742b7ae526f5cf4da7d16d0fce33a3323806092b85",
+      "expectedCode": "IO_ARCHIVE_UNSAFE"
+    },
+    {
+      "id": "TAR_SYMLINK_ESCAPE",
+      "format": "TAR",
+      "file": "tar-symlink-escape.tar",
+      "threat": "SYMLINK_ESCAPE",
+      "gate": "LINK_SAFETY",
+      "byteLength": 2048,
+      "sha256": "f7eeb00b0e602883f5afc7add357bda5755c33321f1d2faf470b52e9b158e6fb",
+      "expectedCode": "IO_ARCHIVE_UNSAFE"
+    },
+    {
+      "id": "TAR_PREFIX_CONFLICT",
+      "format": "TAR",
+      "file": "tar-prefix-conflict.tar",
+      "threat": "FILE_DIRECTORY_PREFIX_CONFLICT",
+      "gate": "CONFLICTS",
+      "byteLength": 3072,
+      "sha256": "5d5914636b4e7777068897b0c51f900863706dcb2e415c1e0ebb1022b84bd5fa",
+      "expectedCode": "IO_ARCHIVE_UNSAFE"
+    }
+  ]
+}

tests/files/web/m12_obj_desktop_v1/single-mesh.mtl

@@ -0,0 +1,22 @@
+# Blender 5.2.0 LTS MTL File: 'None'
+# www.blender.org
+
+newmtl M12_OBJ_Blue
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 2
+
+newmtl M12_OBJ_Red
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 2

tests/files/web/m12_obj_desktop_v1/single-mesh.obj

@@ -0,0 +1,20 @@
+# Blender 5.2.0 LTS
+# www.blender.org
+mtllib single-mesh.mtl
+o M12_OBJ_Single_Mesh
+v -1.000000 0.000000 1.000000
+v 1.000000 0.000000 1.000000
+v 1.000000 0.000000 -1.000000
+v -1.000000 0.000000 -1.000000
+vn -0.0000 1.0000 -0.0000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 1.000000 1.000000
+vt 0.000000 1.000000
+s 0
+g M12_OBJ_Single_Mesh_M12_OBJ_Red
+usemtl M12_OBJ_Red
+f 1/1/1 2/2/1 3/3/1
+g M12_OBJ_Single_Mesh_M12_OBJ_Blue
+usemtl M12_OBJ_Blue
+f 1/1/1 3/3/1 4/4/1

tests/files/web/m12_obj_multi_v1/malformed-face.obj

@@ -0,0 +1,27 @@
+# Blender 5.2.0 LTS
+# www.blender.org
+mtllib multi-object.mtl
+g M12_OBJ_Left_M12_OBJ_Left_Mesh
+v -1.750000 0.000000 0.750000
+v -0.250000 0.000000 0.750000
+v -1.000000 0.000000 -0.750000
+vn -0.0000 1.0000 -0.0000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 0.500000 1.000000
+s 0
+g M12_OBJ_Left_M12_OBJ_Left_Material
+usemtl M12_OBJ_Left_Material
+f 1/1/1 2/2/1
+g M12_OBJ_Right_M12_OBJ_Right_Mesh
+v 0.250000 0.000000 0.750000
+v 1.750000 0.000000 0.750000
+v 1.000000 0.000000 -0.750000
+vn -0.0000 1.0000 -0.0000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 0.500000 1.000000
+s 0
+g M12_OBJ_Right_M12_OBJ_Right_Material
+usemtl M12_OBJ_Right_Material
+f 4/4/2 5/5/2 6/6/2

tests/files/web/m12_obj_multi_v1/multi-object.mtl

@@ -0,0 +1,22 @@
+# Blender 5.2.0 LTS MTL File: 'None'
+# www.blender.org
+
+newmtl M12_OBJ_Left_Material
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 2
+map_Kd m12_obj_texture.png
+
+newmtl M12_OBJ_Right_Material
+Ns 250.000000
+Ka 1.000000 1.000000 1.000000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.500000
+d 1.000000
+illum 2
+map_Kd m12_obj_texture.png

tests/files/web/m12_obj_multi_v1/multi-object.obj

@@ -0,0 +1,27 @@
+# Blender 5.2.0 LTS
+# www.blender.org
+mtllib multi-object.mtl
+g M12_OBJ_Left_M12_OBJ_Left_Mesh
+v -1.750000 0.000000 0.750000
+v -0.250000 0.000000 0.750000
+v -1.000000 0.000000 -0.750000
+vn -0.0000 1.0000 -0.0000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 0.500000 1.000000
+s 0
+g M12_OBJ_Left_M12_OBJ_Left_Material
+usemtl M12_OBJ_Left_Material
+f 1/1/1 2/2/1 3/3/1
+g M12_OBJ_Right_M12_OBJ_Right_Mesh
+v 0.250000 0.000000 0.750000
+v 1.750000 0.000000 0.750000
+v 1.000000 0.000000 -0.750000
+vn -0.0000 1.0000 -0.0000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 0.500000 1.000000
+s 0
+g M12_OBJ_Right_M12_OBJ_Right_Material
+usemtl M12_OBJ_Right_Material
+f 4/4/2 5/5/2 6/6/2

tests/files/web/m12_obj_multi_v1/negative-index.obj

@@ -0,0 +1,27 @@
+# Blender 5.2.0 LTS
+# www.blender.org
+mtllib multi-object.mtl
+g M12_OBJ_Left_M12_OBJ_Left_Mesh
+v -1.750000 0.000000 0.750000
+v -0.250000 0.000000 0.750000
+v -1.000000 0.000000 -0.750000
+vn -0.0000 1.0000 -0.0000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 0.500000 1.000000
+s 0
+g M12_OBJ_Left_M12_OBJ_Left_Material
+usemtl M12_OBJ_Left_Material
+f -1/-1/-1 -2/-2/-1 -3/-3/-1
+g M12_OBJ_Right_M12_OBJ_Right_Mesh
+v 0.250000 0.000000 0.750000
+v 1.750000 0.000000 0.750000
+v 1.000000 0.000000 -0.750000
+vn -0.0000 1.0000 -0.0000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 0.500000 1.000000
+s 0
+g M12_OBJ_Right_M12_OBJ_Right_Material
+usemtl M12_OBJ_Right_Material
+f -4/-4/-2 -5/-5/-2 -6/-6/-2

tests/files/web/m12_ply_capability_v1/capability-ascii.ply

@@ -0,0 +1,19 @@
+ply
+format ascii 1.0
+comment Created in Blender version 5.2.0 LTS
+element vertex 4
+property float x
+property float y
+property float z
+property float nx
+property float ny
+property float nz
+element face 2
+property list uchar uint vertex_indices
+end_header
+-1 0 1 0 1 0
+1 0 1 0 1 0
+1 0 -1 0 1 0
+-1 0 -1 0 1 0
+3 0 1 2
+3 0 2 3

tests/files/web/m12_ply_mapping_v1/mapping-ascii.ply

@@ -0,0 +1,25 @@
+ply
+format ascii 1.0
+comment Created in Blender version 5.2.0 LTS
+element vertex 4
+property float x
+property float y
+property float z
+property float nx
+property float ny
+property float nz
+property uchar red
+property uchar green
+property uchar blue
+property uchar alpha
+property float temperature
+property float label
+element face 2
+property list uchar uint vertex_indices
+end_header
+-1 0 1 0 1 0 254 0 0 255 10 1
+1 0 1 0 1 0 0 254 0 255 20 2
+1 0 -1 0 1 0 0 0 254 255 30 3
+-1 0 -1 0 1 0 254 254 0 255 40 4
+3 0 1 2
+3 0 2 3

tests/files/web/m12_ply_mapping_v1/unknown-property-ascii.ply

@@ -0,0 +1,26 @@
+ply
+format ascii 1.0
+comment Created in Blender version 5.2.0 LTS
+element vertex 4
+property float x
+property float y
+property float z
+property float nx
+property float ny
+property float nz
+property uchar red
+property uchar green
+property uchar blue
+property uchar alpha
+property float temperature
+property float label
+property list uchar float unknown_values
+element face 2
+property list uchar uint vertex_indices
+end_header
+-1 0 1 0 1 0 254 0 0 255 10 1 1 0.5
+1 0 1 0 1 0 0 254 0 255 20 2 1 0.5
+1 0 -1 0 1 0 0 0 254 255 30 3 1 0.5
+-1 0 -1 0 1 0 254 254 0 255 40 4 1 0.5
+3 0 1 2
+3 0 2 3

tests/files/web/m12_ply_negative_v1/malformed-list-ascii.ply

@@ -0,0 +1,13 @@
+ply
+format ascii 1.0
+element vertex 3
+property float x
+property float y
+property float z
+element face 1
+property list uchar uint vertex_indices
+end_header
+0 0 0
+1 0 0
+0 0 1
+3 0 1

tests/files/web/m12_ply_negative_v1/oversized-count-ascii.ply

@@ -0,0 +1,9 @@
+ply
+format ascii 1.0
+element vertex 65537
+property float x
+property float y
+property float z
+element face 0
+property list uchar uint vertex_indices
+end_header

tests/files/web/m12_stl_capability_v1/capability-ascii.stl

@@ -0,0 +1,16 @@
+solid 
+facet normal 0 1 -0
+ outer loop
+  vertex -1 0 1
+  vertex 1 0 1
+  vertex 1 0 -1
+ endloop
+endfacet
+facet normal 0 1 -0
+ outer loop
+  vertex -1 0 1
+  vertex 1 0 -1
+  vertex -1 0 -1
+ endloop
+endfacet
+endsolid 

tests/golden/M12-01E/manifest.json

@@ -20,7 +20,7 @@
     },
     "errorContract": {
       "path": "web/protocol/error.ts",
-      "sha256": "309ab84d5c755a69466ddb73e4b54e87caf62cbcac0f10f34d904e9f6f4a5f34"
+      "sha256": "751c70c898540fa7e82fb1b1a79254756ec8db8e4201a88b6d817d7c3d92103f"
     },
     "generator": {
       "path": "tools/web/generate-asset-catalog-compatibility.mjs",

tests/golden/M12-02B/manifest.json

@@ -21,7 +21,7 @@
   "generatorSettingsSha256": "07ebc55d4b6cbb293badf0640874846912df3d23549997cf6f87f4c325280ca0",
   "artifacts": {
     "protocol": { "path": "web/protocol/asset-preview.ts", "sha256": "2a1d877af42424014097c669e9d44c21b27e3171be185320554693cbefcd7438" },
-    "errorContract": { "path": "web/protocol/error.ts", "sha256": "6aec7b8a9d6903d83ae67718db3ae775d709cabb207cf2a02968d4ff7c5f26c0" },
+    "errorContract": { "path": "web/protocol/error.ts", "sha256": "751c70c898540fa7e82fb1b1a79254756ec8db8e4201a88b6d817d7c3d92103f" },
     "generator": { "path": "tools/web/generate-asset-preview-identity.py", "sha256": "753a26be90f7d97828737ebc3a4ab88275a7c655b4f9992406c7c35fba6535ce" },
     "blender": { "path": "build_blender_5.2.0/bin/blender", "sha256": "d4483926610484ef9c2ad9241aae1469f934d955ebe791f1920e263e0ba85b82" },
     "source": { "path": "tests/files/web/media/sequencer-frame.png", "sha256": "295b083db2299ab904947eb39c17173de70c211882b0d855537d8f3cc27698ed" },

tests/golden/M12-03E/manifest.json

@@ -0,0 +1,40 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-03E",
+  "parentTask": "M12-03D",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "BLENDER_5_2_WASM_CHROMIUM",
+  "operation": "APPEND",
+  "canonicalComparison": "DESKTOP_REPORT_EXACT_AFTER_IMAGE_ROW_NORMALIZATION_AND_SCENEIR_COLORSPACE_DEFAULT",
+  "assertions": {
+    "transactionCount": 1,
+    "revisionDelta": 1,
+    "undoRemovesClosure": true,
+    "redoRestoresCanonical": true,
+    "saveReopenRestoresCanonical": true
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-03C/manifest.json",
+      "sha256": "cbfbd8c919125108334dd24925b9ef8e69880983515e56841e6ead4a2b182aed"
+    },
+    "desktopReport": {
+      "path": "tests/golden/M12-03C/desktop-append-report.json",
+      "sha256": "b1d7b8b9e832d18d69081f63981062800e0f00f0c9aec025b18274510ed76e2a"
+    },
+    "test": {
+      "path": "web/tests/e2e/library-append-main.spec.ts",
+      "sha256": "101f67d35c2320da57459f08a59687d769234b910dbd9aaec5a668cee7e0f9f0"
+    },
+    "sourceBlend": {
+      "path": "tests/files/web/m12_library_append_v1/m12_append_source.blend",
+      "sha256": "5b60d02926efd588a6ca300ba31414cdf37dbc48786c17b383a70319057c0606"
+    },
+    "targetBlend": {
+      "path": "tests/files/web/empty.blend",
+      "sha256": "9b1ecbcc3d7f8079ee5469de64193ffcaa0a7b01e0f2ac340bbb18aa88734a63"
+    }
+  },
+  "nextTask": "M12-03F"
+}

tests/golden/M12-03F/desktop-link-report.json

@@ -0,0 +1,202 @@
+{
+  "blenderVersion": "5.2.0",
+  "linkedGraph": {
+    "edges": [
+      {
+        "from": "Object/M12 Link Object",
+        "relation": "OBJECT_DATA",
+        "to": "Mesh/M12 Link Mesh"
+      },
+      {
+        "from": "Mesh/M12 Link Mesh",
+        "relation": "MATERIAL_SLOT[0]",
+        "to": "Material/M12 Link Material"
+      },
+      {
+        "from": "Material/M12 Link Material",
+        "relation": "NODE_IMAGE[M12 Link Image Node]",
+        "to": "Image/M12 Link Image"
+      }
+    ],
+    "geometry": {
+      "edges": 4,
+      "loops": 4,
+      "materialSlots": [
+        "M12 Link Material"
+      ],
+      "polygons": 1,
+      "uvLayers": [
+        "UVMap"
+      ],
+      "vertices": 4
+    },
+    "ids": {
+      "IMAGE": {
+        "idType": "IMAGE",
+        "isLibraryOverride": false,
+        "library": "m12_link_source.blend",
+        "name": "M12 Link Image",
+        "nameFull": "M12 Link Image [m12_link_source.blend]"
+      },
+      "MATERIAL": {
+        "idType": "MATERIAL",
+        "isLibraryOverride": false,
+        "library": "m12_link_source.blend",
+        "name": "M12 Link Material",
+        "nameFull": "M12 Link Material [m12_link_source.blend]"
+      },
+      "MESH": {
+        "idType": "MESH",
+        "isLibraryOverride": false,
+        "library": "m12_link_source.blend",
+        "name": "M12 Link Mesh",
+        "nameFull": "M12 Link Mesh [m12_link_source.blend]"
+      },
+      "OBJECT": {
+        "idType": "OBJECT",
+        "isLibraryOverride": false,
+        "library": "m12_link_source.blend",
+        "name": "M12 Link Object",
+        "nameFull": "M12 Link Object [m12_link_source.blend]"
+      }
+    },
+    "image": {
+      "channels": 4,
+      "colorspace": "sRGB",
+      "packed": true,
+      "pixelFloat32Sha256": "6f0f8c231d65149e69e6ed12d370bcfa095ef90adc202065492ea8c8ef17e45a",
+      "size": [
+        2,
+        2
+      ]
+    },
+    "root": {
+      "idType": "OBJECT",
+      "isLibraryOverride": false,
+      "library": "m12_link_source.blend",
+      "name": "M12 Link Object",
+      "nameFull": "M12 Link Object [m12_link_source.blend]"
+    },
+    "sourceMarker": "M12-03F"
+  },
+  "nextTask": "M12-03G",
+  "operation": "LINK",
+  "schemaVersion": 1,
+  "selectedRoots": [
+    "Object/M12 Link Object"
+  ],
+  "source": {
+    "file": "m12_link_source.blend",
+    "sha256": "fae97569e9d2e2066fc92749672f86cc42717cd9b97b012faeb9eb92015d7fd1"
+  },
+  "sourceGraph": {
+    "edges": [
+      {
+        "from": "Object/M12 Link Object",
+        "relation": "OBJECT_DATA",
+        "to": "Mesh/M12 Link Mesh"
+      },
+      {
+        "from": "Mesh/M12 Link Mesh",
+        "relation": "MATERIAL_SLOT[0]",
+        "to": "Material/M12 Link Material"
+      },
+      {
+        "from": "Material/M12 Link Material",
+        "relation": "NODE_IMAGE[M12 Link Image Node]",
+        "to": "Image/M12 Link Image"
+      }
+    ],
+    "geometry": {
+      "edges": 4,
+      "loops": 4,
+      "materialSlots": [
+        "M12 Link Material"
+      ],
+      "polygons": 1,
+      "uvLayers": [
+        "UVMap"
+      ],
+      "vertices": 4
+    },
+    "ids": {
+      "IMAGE": {
+        "idType": "IMAGE",
+        "isLibraryOverride": false,
+        "library": null,
+        "name": "M12 Link Image",
+        "nameFull": "M12 Link Image"
+      },
+      "MATERIAL": {
+        "idType": "MATERIAL",
+        "isLibraryOverride": false,
+        "library": null,
+        "name": "M12 Link Material",
+        "nameFull": "M12 Link Material"
+      },
+      "MESH": {
+        "idType": "MESH",
+        "isLibraryOverride": false,
+        "library": null,
+        "name": "M12 Link Mesh",
+        "nameFull": "M12 Link Mesh"
+      },
+      "OBJECT": {
+        "idType": "OBJECT",
+        "isLibraryOverride": false,
+        "library": null,
+        "name": "M12 Link Object",
+        "nameFull": "M12 Link Object"
+      }
+    },
+    "image": {
+      "channels": 4,
+      "colorspace": "sRGB",
+      "packed": true,
+      "pixelFloat32Sha256": "6f0f8c231d65149e69e6ed12d370bcfa095ef90adc202065492ea8c8ef17e45a",
+      "size": [
+        2,
+        2
+      ]
+    },
+    "root": {
+      "idType": "OBJECT",
+      "isLibraryOverride": false,
+      "library": null,
+      "name": "M12 Link Object",
+      "nameFull": "M12 Link Object"
+    },
+    "sourceMarker": "M12-03F"
+  },
+  "stableMapping": [
+    {
+      "local": "Object/M12 Link Object",
+      "owner": "SOURCE_LIBRARY",
+      "readOnly": true,
+      "source": "Object/M12 Link Object"
+    },
+    {
+      "local": "Mesh/M12 Link Mesh",
+      "owner": "SOURCE_LIBRARY",
+      "readOnly": true,
+      "source": "Mesh/M12 Link Mesh"
+    },
+    {
+      "local": "Material/M12 Link Material",
+      "owner": "SOURCE_LIBRARY",
+      "readOnly": true,
+      "source": "Material/M12 Link Material"
+    },
+    {
+      "local": "Image/M12 Link Image",
+      "owner": "SOURCE_LIBRARY",
+      "readOnly": true,
+      "source": "Image/M12 Link Image"
+    }
+  ],
+  "target": {
+    "file": "m12_link_target.blend",
+    "sha256": "acdaf0f297deb08c84e1a8beba30972e3414ef62e60e3b103fe0661199c438a1"
+  },
+  "task": "M12-03F"
+}

tests/golden/M12-03F/manifest.json

@@ -0,0 +1,43 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-03F",
+  "parentTask": "M12-03E",
+  "enablingTask": true,
+  "parityStateChange": false,
+  "runtime": "BLENDER_5_2_DESKTOP",
+  "operation": "LINK",
+  "assertions": {
+    "selectedRoots": 1,
+    "dependencyClosure": 4,
+    "linkedOwnership": "SOURCE_LIBRARY",
+    "readOnly": true,
+    "saveReopenStable": true
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-03E/manifest.json",
+      "sha256": "beaa88ea0385225e712f9816072420bd8744c15da3229ddc352462abec407739"
+    },
+    "generator": {
+      "path": "tools/web/generate-library-link-fixture.py",
+      "sha256": "15a2e34c1c5b2a8ee63b10084dbb894e0f9677b9e1cf4adb7e2ddce6b4c965b1"
+    },
+    "checker": {
+      "path": "tools/web/check-library-link-fixture.mjs",
+      "sha256": "6a4c024bea227d7bc14f793467b91766b006459fe4d7717cc75dfee12f49f894"
+    },
+    "sourceBlend": {
+      "path": "tests/files/web/m12_library_link_v1/m12_link_source.blend",
+      "sha256": "fae97569e9d2e2066fc92749672f86cc42717cd9b97b012faeb9eb92015d7fd1"
+    },
+    "targetBlend": {
+      "path": "tests/files/web/m12_library_link_v1/m12_link_target.blend",
+      "sha256": "acdaf0f297deb08c84e1a8beba30972e3414ef62e60e3b103fe0661199c438a1"
+    },
+    "desktopReport": {
+      "path": "tests/golden/M12-03F/desktop-link-report.json",
+      "sha256": "b278d4c254eff63d41c8cb3ea1d5e0984192137d45b1695ba0672e16f95b58ea"
+    }
+  },
+  "nextTask": "M12-03G"
+}

tests/golden/M12-03G/manifest.json

@@ -0,0 +1,35 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-03G",
+  "parentTask": "M12-03F",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_UNIT",
+  "operation": "LINK",
+  "assertions": {
+    "writerOperations": 6,
+    "linkedMutationCode": "LINKED_DATA_MUTATION_BLOCKED",
+    "staleRevisionCode": "REVISION_CONFLICT",
+    "mainMutation": false,
+    "recoverable": false
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-03F/manifest.json",
+      "sha256": "8220a8f5d560d45a75a62cbed645b3febc1390fe37b07c3c48871fefc1a9b159"
+    },
+    "protocol": {
+      "path": "web/protocol/library-linked-mutation.ts",
+      "sha256": "f629e0e7e04dc1f5437b6e2ca62fbe35484fc238830fa47e8358bcab46b7e104"
+    },
+    "unit": {
+      "path": "web/tests/unit/library-linked-mutation.test.mjs",
+      "sha256": "f19d47cefe89daf6123062e045ec717e6ffe60977e8a4b20c996dd62e49da211"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-03H"
+}

tests/golden/M12-03H/manifest.json

@@ -0,0 +1,35 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-03H",
+  "parentTask": "M12-03G",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_UNIT",
+  "operation": "LINK_RELOAD",
+  "assertions": {
+    "matchingGenerationOnly": true,
+    "replacementGenerationStep": 1,
+    "staleCode": "REVISION_CONFLICT",
+    "preservesUnrelatedSnapshots": true,
+    "readOnlyOwner": "SOURCE_LIBRARY"
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-03G/manifest.json",
+      "sha256": "ce7aba32499dbd22bce3bc78c4b0322f830e5d2648a47ce2d25271adf284dddb"
+    },
+    "protocol": {
+      "path": "web/protocol/library-linked-reload.ts",
+      "sha256": "8be6f0b2abe36cd566ea7447d1b7de44c0e6a9a7351b863dfdd1372c1761060e"
+    },
+    "unit": {
+      "path": "web/tests/unit/library-linked-reload.test.mjs",
+      "sha256": "dff866291468cc01e775fe3b3b95c632f5c0742566f79b956a0193bfd8fd43d2"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-03I"
+}

tests/golden/M12-03I/manifest.json

@@ -0,0 +1,37 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-03I",
+  "parentTask": "M12-03H",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_UNIT",
+  "operation": "LINK_MISSING",
+  "assertions": {
+    "missingStatus": "MISSING",
+    "placeholderKind": "MISSING_LIBRARY",
+    "preservesSourceLocator": true,
+    "preservesSourceSha256": true,
+    "preservesDataBlockIds": true,
+    "staleCode": "REVISION_CONFLICT",
+    "sourceDriftCode": "ASSET_SOURCE_HASH_MISMATCH"
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-03H/manifest.json",
+      "sha256": "72d3cf9a22d8a2015a7b8fcbc0496425a354e09cec56fd85949561e6b3700009"
+    },
+    "protocol": {
+      "path": "web/protocol/library-linked-missing.ts",
+      "sha256": "5833e8c943ef6bd866a93a0e1666c9521fa6d3e8358861df57b628874b679ec2"
+    },
+    "unit": {
+      "path": "web/tests/unit/library-linked-missing.test.mjs",
+      "sha256": "4ab6d6ff4845b4ca963399e7eea214ceb412871dc1fdef5bac1ed0333596da4f"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-03J"
+}

tests/golden/M12-03J/desktop-override-report.json

@@ -0,0 +1,47 @@
+{
+  "blenderVersion": "5.2.0",
+  "nextTask": "M12-03K",
+  "operation": "LIBRARY_OVERRIDE",
+  "overrideGraph": {
+    "local": {
+      "dataBlockId": "Object/M12 Override Object",
+      "hierarchyRootDataBlockId": "Object/M12 Override Object",
+      "idType": "OBJECT",
+      "isLibraryOverride": true,
+      "library": null,
+      "owner": "LOCAL_OVERRIDE",
+      "projectId": "m12-03j-project",
+      "readOnly": false,
+      "referenceSourceDataBlockId": "Object/M12 Override Object"
+    },
+    "propertyOverride": {
+      "index": 0,
+      "operationCount": 1,
+      "propertyCount": 1,
+      "rnaPath": "[\"m12_override_value\"]",
+      "value": 2.5
+    },
+    "reference": {
+      "dataBlockId": "Object/M12 Override Object",
+      "idType": "OBJECT",
+      "isLibraryOverride": false,
+      "library": "m12_override_source.blend",
+      "owner": "SOURCE_LIBRARY",
+      "readOnly": true
+    },
+    "sourceMarker": "M12-03J"
+  },
+  "schemaVersion": 1,
+  "selectedRoots": [
+    "Object/M12 Override Object"
+  ],
+  "source": {
+    "file": "m12_override_source.blend",
+    "sha256": "d7f8d78e7e91481bf46ecc9a6bcb01e900a6a397839dd31ab80a53def7675601"
+  },
+  "target": {
+    "file": "m12_override_target.blend",
+    "sha256": "b008a1608ff1e8f679e1e1281bf7be0360f1137e815dd890cbd93e1e98675495"
+  },
+  "task": "M12-03J"
+}

tests/golden/M12-03J/manifest.json

@@ -0,0 +1,50 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-03J",
+  "parentTask": "M12-03I",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "BLENDER_5_2_DESKTOP",
+  "operation": "LIBRARY_OVERRIDE",
+  "assertions": {
+    "selectedRoots": 1,
+    "referenceOwner": "SOURCE_LIBRARY",
+    "referenceReadOnly": true,
+    "localOwner": "LOCAL_OVERRIDE",
+    "localReadOnly": false,
+    "propertyPath": "[\\\"m12_override_value\\\"]",
+    "propertyValue": 2.5,
+    "saveReopenStable": true
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-03I/manifest.json",
+      "sha256": "f5fa606161b93e9ee42e7ca8144d2a83379acf601c5045eb8cc76732f8dba431"
+    },
+    "generator": {
+      "path": "tools/web/generate-library-override-fixture.py",
+      "sha256": "2cdbac04cac7240360a9d70919380fd90f9479e2cb41d8032fb51626ed4b4dd6"
+    },
+    "checker": {
+      "path": "tools/web/check-library-override-fixture.mjs",
+      "sha256": "afebb3c9b8715b9d2e0c9b17f463f038bd23e8747074137bccbf1c09c4bfb5ba"
+    },
+    "sourceBlend": {
+      "path": "tests/files/web/m12_library_override_v1/m12_override_source.blend",
+      "sha256": "d7f8d78e7e91481bf46ecc9a6bcb01e900a6a397839dd31ab80a53def7675601"
+    },
+    "targetBlend": {
+      "path": "tests/files/web/m12_library_override_v1/m12_override_target.blend",
+      "sha256": "b008a1608ff1e8f679e1e1281bf7be0360f1137e815dd890cbd93e1e98675495"
+    },
+    "report": {
+      "path": "tests/golden/M12-03J/desktop-override-report.json",
+      "sha256": "19cb13a3417b4b65a8497b622337c42c4697b3f3d48de26a1f70f2d4527ddde0"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-03K"
+}

tests/golden/M12-03K/manifest.json

@@ -0,0 +1,37 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-03K",
+  "parentTask": "M12-03J",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_UNIT",
+  "operation": "LIBRARY_OVERRIDE_WRITER",
+  "assertions": {
+    "allowedOperation": "SET_M12_OVERRIDE_VALUE",
+    "allowedPropertyPath": "[\\\"m12_override_value\\\"]",
+    "allowedPropertyCount": 1,
+    "owner": "LOCAL_OVERRIDE",
+    "referenceReadOnly": true,
+    "staleCode": "REVISION_CONFLICT",
+    "linkedOwnerCode": "LINKED_DATA_MUTATION_BLOCKED"
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-03J/manifest.json",
+      "sha256": "01d0f66bb3819eea3e92727d1b5bffbec935d24eeecc28d874b999df78d73fbf"
+    },
+    "protocol": {
+      "path": "web/protocol/library-override-writer.ts",
+      "sha256": "dd181c7e9946b98334a5d1c686887afecfe3fc11d732beec246e40bf11a155aa"
+    },
+    "unit": {
+      "path": "web/tests/unit/library-override-writer.test.mjs",
+      "sha256": "e41bd32eb4ce4d331a20ecb91f3325a27f461b9ae85e98940d5afd482ec21c4c"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-03L"
+}

tests/golden/M12-03L/manifest.json

@@ -0,0 +1,35 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-03L",
+  "parentTask": "M12-03K",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_UNIT",
+  "operation": "LIBRARY_OVERRIDE_FRESHNESS",
+  "assertions": {
+    "matchingStatus": "READY",
+    "staleCode": "REVISION_CONFLICT",
+    "identityDriftCode": "ASSET_SOURCE_HASH_MISMATCH",
+    "linkedOwnerCode": "LINKED_DATA_MUTATION_BLOCKED",
+    "mainCommit": false
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-03K/manifest.json",
+      "sha256": "9eeee93e4a806aa59b5c53a6485fe3a1b5e3972c1d2585cdc71b7cfc293afb70"
+    },
+    "protocol": {
+      "path": "web/protocol/library-override-freshness.ts",
+      "sha256": "2eff7ea7605b1579d7551336d87d4f30adb996b585596ff9eee67aea04ca7d22"
+    },
+    "unit": {
+      "path": "web/tests/unit/library-override-freshness.test.mjs",
+      "sha256": "d48344f31e1ba12e557ca30ece56643583efa633da556f5de3896a8e9175ef8f"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-03M"
+}

tests/golden/M12-03M/manifest.json

@@ -0,0 +1,35 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-03M",
+  "parentTask": "M12-03L",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_UNIT",
+  "operation": "LIBRARY_NEGATIVE_CASES",
+  "assertions": {
+    "dependencyCycleCode": "LIBRARY_DEPENDENCY_CYCLE",
+    "crossLibraryCycleCode": "LIBRARY_DEPENDENCY_CYCLE",
+    "dataBlockCollisionCode": "TASK_VALIDATION_FAILED",
+    "duplicateReloadCode": "REVISION_CONFLICT",
+    "missingSourceCode": "ASSET_SOURCE_HASH_MISMATCH"
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-03L/manifest.json",
+      "sha256": "237f3f168e037b67b805ba8d9c9455250c889a5e90c45cbb17d2d20d9fbdcc50"
+    },
+    "protocol": {
+      "path": "web/protocol/library-negative-cases.ts",
+      "sha256": "efc7cc810089eab6178fc5c2f2a45d641625a032ecfa5b2b4ef37694d0decc97"
+    },
+    "unit": {
+      "path": "web/tests/unit/library-negative-cases.test.mjs",
+      "sha256": "b7ae41b2c35b2fe1598bca4425dd434230bfe4bf342320c88214a060dcbb0a16"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-03N"
+}

tests/golden/M12-03N/manifest.json

@@ -0,0 +1,60 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-03N",
+  "parentTask": "M12-03M",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "DESKTOP_WASM_CHROMIUM",
+  "operation": "LIBRARY_OPERATION_COMMANDS",
+  "assertions": {
+    "operations": ["APPEND", "LINK", "LIBRARY_OVERRIDE"],
+    "lanes": ["DESKTOP", "WASM", "CHROMIUM"],
+    "independentCommands": 9,
+    "mainAppendChromiumTest": "web/tests/e2e/library-append-main.spec.ts",
+    "linkChromiumTest": "web/tests/e2e/library-link-chromium.spec.ts",
+    "overrideChromiumTest": "web/tests/e2e/library-override-chromium.spec.ts"
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-03M/manifest.json",
+      "sha256": "693cbedfe8e29167283a753d119de5a9cfe5e20bc96aff7ba84d720ffde9148a"
+    },
+    "commandChecker": {
+      "path": "tools/web/check-library-operation-commands.mjs",
+      "sha256": "3564347393134d835fdf279b8b8f58558ee24fe0165c3b4527195d094a451e98"
+    },
+    "appendWasmProtocol": {
+      "path": "web/protocol/library-main-append.ts",
+      "sha256": "bfd98561cbe797d7b8f07c92c53a25460c839a64ab7222b7795cf58d54dff8d7"
+    },
+    "appendWasmUnit": {
+      "path": "web/tests/unit/library-append-wasm.test.mjs",
+      "sha256": "75fc2d626f7ca7e820e9cacf659a453886e15e790cde43348828c03bed752ec7"
+    },
+    "appendChromium": {
+      "path": "web/tests/e2e/library-append-main.spec.ts",
+      "sha256": "101f67d35c2320da57459f08a59687d769234b910dbd9aaec5a668cee7e0f9f0"
+    },
+    "linkChromium": {
+      "path": "web/tests/e2e/library-link-chromium.spec.ts",
+      "sha256": "814e3486522fb4f0ffdd59acd385a4fca9c5660cdb07e5a2acb1cadd70376bff"
+    },
+    "overrideChromium": {
+      "path": "web/tests/e2e/library-override-chromium.spec.ts",
+      "sha256": "1c12982b4eb4fb4b9a3c88907a842a1fc413b3a3a760a9f57b350f57060d007f"
+    },
+    "linkChromiumWrapper": {
+      "path": "web/app/src/library-link-chromium.ts",
+      "sha256": "096af8e594a6d475476dc3253e3d99069d9f84bc383b84c690a38d08f1f0137a"
+    },
+    "overrideChromiumWrapper": {
+      "path": "web/app/src/library-override-chromium.ts",
+      "sha256": "f3bb9c7d57c65a333ba6aa982a19956025c23e740e1771f741d161defc591f21"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-04A"
+}

tests/golden/M12-04A/manifest.json

@@ -0,0 +1,35 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-04A",
+  "parentTask": "M12-03N",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_UNIT",
+  "operation": "LIBRARY_SOURCE_ORIGIN",
+  "assertions": {
+    "acceptedKinds": ["HTTPS_ORIGIN", "PROJECT_ASSET", "USER_SELECTED_FILE"],
+    "undeclaredHttpsCode": "IO_EXTERNAL_URI_BLOCKED",
+    "unsafeProjectPathCode": "IO_EXTERNAL_URI_BLOCKED",
+    "sourceHash": true,
+    "credentialFreeHttps": true
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-03N/manifest.json",
+      "sha256": "e4cccc8edc277b5047c3f8006ea40b26b119d28589fe2f3bd9bfa4cc3575c85a"
+    },
+    "protocol": {
+      "path": "web/protocol/library-source-origin.ts",
+      "sha256": "67a1808f225194a09a72987c5340c7494c5fa8d99dffde40664a11a779caedeb"
+    },
+    "unit": {
+      "path": "web/tests/unit/library-source-origin.test.mjs",
+      "sha256": "89b207c9cb13b4fb055a2dfed0237c0f8a00b13a39cc4175a378f5ef2abdb7ae"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-04B"
+}

tests/golden/M12-04B/manifest.json

@@ -0,0 +1,40 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-04B",
+  "parentTask": "M12-04A",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_UNIT",
+  "operation": "LIBRARY_PATH_NORMALIZATION",
+  "assertions": {
+    "canonicalSeparator": "/",
+    "dotSegmentsResolved": true,
+    "percentDecodePasses": 1,
+    "unicodeNormalization": "NFC",
+    "canonicalIdempotent": true,
+    "projectEscapeCode": "ASSET_PATH_OUTSIDE_PROJECT"
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-04A/manifest.json",
+      "sha256": "af80827d925ddd96d8541e446e0f70c956fd4c56e64ac984d187f5449df4cb0d"
+    },
+    "normalizer": {
+      "path": "web/protocol/asset-path.ts",
+      "sha256": "6109d05251fc7355ac32d4c0d8298f85ea8b731767c76c394577c4e44652a6bf"
+    },
+    "sourceAdmission": {
+      "path": "web/protocol/library-source-origin.ts",
+      "sha256": "67a1808f225194a09a72987c5340c7494c5fa8d99dffde40664a11a779caedeb"
+    },
+    "unit": {
+      "path": "web/tests/unit/library-path-normalization.test.mjs",
+      "sha256": "abde64c60397541e92a83dd9e4a24e65faf340a8d046650604c101a21037c777"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-04C"
+}

tests/golden/M12-04C/manifest.json

@@ -0,0 +1,41 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-04C",
+  "parentTask": "M12-04B",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_UNIT",
+  "operation": "LIBRARY_PATH_SECURITY",
+  "assertions": {
+    "absolutePathCode": "ASSET_PATH_OUTSIDE_PROJECT",
+    "uncPathCode": "ASSET_PATH_OUTSIDE_PROJECT",
+    "drivePathCode": "ASSET_PATH_OUTSIDE_PROJECT",
+    "controlCharacterCode": "ASSET_PATH_OUTSIDE_PROJECT",
+    "originEscapeCode": "IO_EXTERNAL_URI_BLOCKED",
+    "declaredOriginPathRejected": true,
+    "encodedControlsRejected": true
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-04B/manifest.json",
+      "sha256": "8cd29c3f5281082584fc6aefe2ec385a2eedf8116e837a4db54c391391ff8f98"
+    },
+    "pathNormalizer": {
+      "path": "web/protocol/asset-path.ts",
+      "sha256": "6109d05251fc7355ac32d4c0d8298f85ea8b731767c76c394577c4e44652a6bf"
+    },
+    "sourceOrigin": {
+      "path": "web/protocol/library-source-origin.ts",
+      "sha256": "67a1808f225194a09a72987c5340c7494c5fa8d99dffde40664a11a779caedeb"
+    },
+    "unit": {
+      "path": "web/tests/unit/library-path-security.test.mjs",
+      "sha256": "ab302cacb24634a3225dda5cb8f5282cb80b3bd81ed5c8900ddf4ff18267b7e2"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-04D"
+}

tests/golden/M12-04D/manifest.json

@@ -0,0 +1,37 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-04D",
+  "parentTask": "M12-04C",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_UNIT",
+  "operation": "ARCHIVE_LINK_SAFETY",
+  "assertions": {
+    "symlinkTargetBase": "link-parent",
+    "hardlinkTargetBase": "archive-root",
+    "resolvedWithinTemporaryRoot": true,
+    "missingTargetCode": "IO_ARCHIVE_UNSAFE",
+    "cycleCode": "IO_ARCHIVE_UNSAFE",
+    "outsideRootCode": "IO_ARCHIVE_UNSAFE",
+    "hardlinkDirectoryCode": "IO_ARCHIVE_UNSAFE"
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-04C/manifest.json",
+      "sha256": "a7f3a45eb7f68d022f38185a1c1409e1db1b27647fef587d66d2ffa52d78f98e"
+    },
+    "protocol": {
+      "path": "web/protocol/archive-link-safety.ts",
+      "sha256": "d55a4ba762898aed22bdcc7aa6493c713ee94f6bb1bf58754fdc459d0ddf70d1"
+    },
+    "unit": {
+      "path": "web/tests/unit/library-link-safety.test.mjs",
+      "sha256": "7739275be91222d7bfb61d2f5a1daf812c6860fe34d0aea27df8380a77322120"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-04E"
+}

tests/golden/M12-04E/manifest.json

@@ -0,0 +1,36 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-04E",
+  "parentTask": "M12-04D",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_UNIT",
+  "operation": "ARCHIVE_METADATA_FIRST",
+  "assertions": {
+    "zipFirstRead": "CENTRAL_DIRECTORY",
+    "tarFirstRead": "MANIFEST",
+    "payloadReadsBeforeMetadata": false,
+    "wrongRangeCode": "IO_ARCHIVE_UNSAFE",
+    "duplicateMetadataCode": "IO_ARCHIVE_UNSAFE",
+    "metadataRangeBoundBytes": 67108864
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-04D/manifest.json",
+      "sha256": "1c09abd1f4bd5908d22ab3b22e3e71d050f694af0b82a7f78a351d7a1bf1e664"
+    },
+    "protocol": {
+      "path": "web/protocol/archive-metadata-first.ts",
+      "sha256": "869586b041e134c7d1cb2ebd7e13b35218b337223d401697a179f71cd1420f5b"
+    },
+    "unit": {
+      "path": "web/tests/unit/library-metadata-first.test.mjs",
+      "sha256": "2da649722acee9cace8db6f337b4a93500a9c775a0b0f086bf38dd2b3e7f9e91"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-04F"
+}

tests/golden/M12-04F/manifest.json

@@ -0,0 +1,24 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-04F",
+  "parentTask": "M12-04E",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_UNIT",
+  "operation": "ARCHIVE_BUDGETS",
+  "assertions": {
+    "maxArchiveEntries": 100000,
+    "maxEntryBytes": 2147483648,
+    "maxArchiveBytes": 4294967296,
+    "maxPathDepth": 64,
+    "maxFileNameBytes": 255,
+    "budgetCode": "IO_ARCHIVE_UNSAFE"
+  },
+  "artifacts": {
+    "parentManifest": { "path": "tests/golden/M12-04E/manifest.json", "sha256": "d935392fb23c2e6ad651fb6ad6cb67f8ead3d562e626bb230d2febd9d7f03b1c" },
+    "protocol": { "path": "web/protocol/asset-library-io.ts", "sha256": "e02efa79668f4ee10b1c28786709eba2c93691b28ccf1155c6213dda12f59a8f" },
+    "unit": { "path": "web/tests/unit/library-archive-budget.test.mjs", "sha256": "b0d8356c6fb348d98e28ce220052845a29439b34b3c976b21a4dbf370ea19593" },
+    "package": { "path": "web/package.json", "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c" }
+  },
+  "nextTask": "M12-04G"
+}

tests/golden/M12-04G/manifest.json

@@ -0,0 +1,23 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-04G",
+  "parentTask": "M12-04F",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_UNIT",
+  "operation": "ARCHIVE_CONFLICTS",
+  "assertions": {
+    "compressionRatio": 100,
+    "overlapCode": "IO_ARCHIVE_UNSAFE",
+    "duplicatePathCode": "IO_ARCHIVE_UNSAFE",
+    "prefixConflictCode": "IO_ARCHIVE_UNSAFE",
+    "outOfRangeCode": "IO_ARCHIVE_UNSAFE"
+  },
+  "artifacts": {
+    "parentManifest": { "path": "tests/golden/M12-04F/manifest.json", "sha256": "cda905b1e27b62d9ea3a05170f975015480ce6739c15bdf1f5a1f0b79f93ce06" },
+    "protocol": { "path": "web/protocol/archive-conflicts.ts", "sha256": "3bec372e4f67ec309f28534cebcbaf8b492144adfa82ff6c8603f88c3ba16254" },
+    "unit": { "path": "web/tests/unit/library-archive-conflicts.test.mjs", "sha256": "3f2d44dce33b1c17b3a48f58b04fdd821abc88d98ce3d3b5bb724859e0f0ab3c" },
+    "package": { "path": "web/package.json", "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c" }
+  },
+  "nextTask": "M12-04H"
+}

tests/golden/M12-04H/manifest.json

@@ -0,0 +1,24 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-04H",
+  "parentTask": "M12-04G",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_REAL_FS_UNIT",
+  "operation": "ARCHIVE_EXTRACTION_CANCELLATION",
+  "assertions": {
+    "cancellationCode": "IO_ARCHIVE_CANCELLED",
+    "stagingEntriesAfter": 0,
+    "publishedProjects": 0,
+    "committedIdentityUnchanged": true,
+    "commitLinearization": "BEFORE_ATOMIC_COMMIT"
+  },
+  "artifacts": {
+    "parentManifest": { "path": "tests/golden/M12-04G/manifest.json", "sha256": "c35e675e8f512e85b748f0b5578874fed8c99df7674a152e698236a67c9f4fa4" },
+    "protocol": { "path": "web/protocol/archive-extraction-transaction.ts", "sha256": "c40adc1449172014cc1820db567e155828314abb404b66e4de13c26ddee06e4b" },
+    "errorCodes": { "path": "web/protocol/error.ts", "sha256": "751c70c898540fa7e82fb1b1a79254756ec8db8e4201a88b6d817d7c3d92103f" },
+    "unit": { "path": "web/tests/unit/library-archive-cancellation.test.mjs", "sha256": "77e7d5bc64dd6b313006ebf523602601acdaf7949a1484da872ddcd046983786" },
+    "package": { "path": "web/package.json", "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c" }
+  },
+  "nextTask": "M12-04I"
+}

tests/golden/M12-04I/manifest.json

@@ -0,0 +1,24 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-04I",
+  "parentTask": "M12-04H",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_REAL_FS_UNIT",
+  "operation": "ARCHIVE_QUOTA_OOM_RECOVERY",
+  "assertions": {
+    "faultCodes": ["STORAGE_QUOTA", "WASM_OUT_OF_MEMORY"],
+    "partialStagingEntriesAfter": 0,
+    "committedIdentityUnchangedAfterFault": true,
+    "recoverySession": "SAME_STORAGE_INSTANCE",
+    "smallArchiveCommitted": true
+  },
+  "artifacts": {
+    "parentManifest": { "path": "tests/golden/M12-04H/manifest.json", "sha256": "7fce600a416aec5ade1a91a13d86caf4cb1f65b710054b59d525ff8b1d3c7409" },
+    "baseProtocol": { "path": "web/protocol/archive-extraction-transaction.ts", "sha256": "c40adc1449172014cc1820db567e155828314abb404b66e4de13c26ddee06e4b" },
+    "recoveryProtocol": { "path": "web/protocol/archive-extraction-recovery.ts", "sha256": "0ae9801ea151403b244c5f58f7f99231bba7a25abb1f61e3669879510b92dccf" },
+    "unit": { "path": "web/tests/unit/library-archive-recovery.test.mjs", "sha256": "a931edef8f3ca1243a80ec2b8e9ff5b8da1dfd339f3d8c162ad2ebd08d3db6a1" },
+    "package": { "path": "web/package.json", "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c" }
+  },
+  "nextTask": "M12-04J"
+}

tests/golden/M12-04J/manifest.json

@@ -0,0 +1,27 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-04J",
+  "parentTask": "M12-04I",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_PROTOCOL_BINARY_FIXTURE_CHROMIUM",
+  "operation": "MALICIOUS_ZIP_TAR_REGRESSION",
+  "assertions": {
+    "fixtureCount": 6,
+    "zipFixtureCount": 3,
+    "tarFixtureCount": 3,
+    "metadataOnly": true,
+    "extractionAllowed": false,
+    "expectedCode": "IO_ARCHIVE_UNSAFE",
+    "deterministicRegeneration": true
+  },
+  "artifacts": {
+    "parentManifest": { "path": "tests/golden/M12-04I/manifest.json", "sha256": "574afa68a787b9481d0e098d38b94cb810a9827fe185b0df796d62cc160ba7c5" },
+    "generator": { "path": "tools/web/generate-malicious-archive-fixtures.mjs", "sha256": "b372ea8cb2f97b035ffb2cc18666dae9167dcfb349131851ad9f1ff0fc40ba16" },
+    "checker": { "path": "tools/web/check-malicious-archive-fixtures.mjs", "sha256": "edda2f420f26e55f9990d24b755bb9b4f732ec32c2e072210144b3d0b6634d9b" },
+    "fixtureManifest": { "path": "tests/files/web/archive-security/manifest.json", "sha256": "a93834316f6a23b8a0e6c1f1f806ec584d6f03aa339c2680cae2ce8133a40e58" },
+    "chromium": { "path": "web/tests/e2e/archive-security-fixtures.spec.ts", "sha256": "f327500808dd67359a152ce28134b58d027aebd6758416b5535b659b9900bbfe" },
+    "package": { "path": "web/package.json", "sha256": "342f75fe285f99da301eba97590fd9fc76cef4938508177fd43e1827f0295076" }
+  },
+  "nextTask": "M12-05A"
+}

tests/golden/M12-05A/manifest.json

@@ -0,0 +1,26 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-05A",
+  "parentTask": "M12-04J",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "BLENDER_5_2_RUNTIME",
+  "operation": "IO_FORMAT_RUNTIME_INVENTORY",
+  "assertions": {
+    "blenderVersion": "5.2.0 LTS",
+    "formatCount": 7,
+    "formats": ["GLTF", "GLB", "OBJ", "STL", "PLY", "USD", "ALEMBIC"],
+    "availableFormats": ["GLTF", "GLB", "OBJ", "STL", "PLY"],
+    "buildDisabledFormats": ["USD", "ALEMBIC"],
+    "runtimeReceipt": true,
+    "deterministicRegeneration": true
+  },
+  "artifacts": {
+    "parentManifest": { "path": "tests/golden/M12-04J/manifest.json", "sha256": "989d417ab44e165849c7054f331f7038ec1d779349c39dd4f5b30050bbaecf56" },
+    "generator": { "path": "tools/web/generate-io-format-runtime-inventory.py", "sha256": "aa926397664240a5195f8864fc3ed5549bafcc963a03c513c7e37926b0559d7d" },
+    "checker": { "path": "tools/web/check-io-format-runtime-inventory.mjs", "sha256": "12853306ea5eb2698ab636c7dfc2f27ae140295641473c57b84f93fa13d4864e" },
+    "inventory": { "path": "tests/golden/M12-05A/format-inventory.json", "sha256": "0d660b0fd8b647ebbf4e91afebd5006bd100973ab8e2507a5bfe759f477b33b4" },
+    "package": { "path": "web/package.json", "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c" }
+  },
+  "nextTask": "M12-05B"
+}

tests/golden/M12-05B/capability-matrix.json

@@ -0,0 +1,392 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-05B",
+  "runtimeInventorySha256": "0d660b0fd8b647ebbf4e91afebd5006bd100973ab8e2507a5bfe759f477b33b4",
+  "formats": [
+    {
+      "format": "GLTF",
+      "runtimeImportStatus": "AVAILABLE",
+      "runtimeExportStatus": "AVAILABLE",
+      "operations": {
+        "IMPORT": {
+          "local": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "material": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "animation": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          }
+        },
+        "EXPORT": {
+          "local": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "material": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "animation": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          }
+        }
+      }
+    },
+    {
+      "format": "GLB",
+      "runtimeImportStatus": "AVAILABLE",
+      "runtimeExportStatus": "AVAILABLE",
+      "operations": {
+        "IMPORT": {
+          "local": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "material": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "animation": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          }
+        },
+        "EXPORT": {
+          "local": {
+            "status": "READY",
+            "execution": "LOCAL",
+            "code": null
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "PARTIAL",
+            "evidence": "bounded GLB export gate exists; full format round-trip remains M12-06"
+          },
+          "material": {
+            "status": "PARTIAL",
+            "evidence": "bounded GLB export gate exists; full format round-trip remains M12-06"
+          },
+          "animation": {
+            "status": "PARTIAL",
+            "evidence": "bounded GLB export gate exists; full format round-trip remains M12-06"
+          }
+        }
+      }
+    },
+    {
+      "format": "OBJ",
+      "runtimeImportStatus": "AVAILABLE",
+      "runtimeExportStatus": "AVAILABLE",
+      "operations": {
+        "IMPORT": {
+          "local": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "material": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "animation": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          }
+        },
+        "EXPORT": {
+          "local": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "material": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "animation": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          }
+        }
+      }
+    },
+    {
+      "format": "STL",
+      "runtimeImportStatus": "AVAILABLE",
+      "runtimeExportStatus": "AVAILABLE",
+      "operations": {
+        "IMPORT": {
+          "local": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "material": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "animation": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          }
+        },
+        "EXPORT": {
+          "local": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "material": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "animation": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          }
+        }
+      }
+    },
+    {
+      "format": "PLY",
+      "runtimeImportStatus": "AVAILABLE",
+      "runtimeExportStatus": "AVAILABLE",
+      "operations": {
+        "IMPORT": {
+          "local": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "material": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "animation": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          }
+        },
+        "EXPORT": {
+          "local": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "material": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "animation": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          }
+        }
+      }
+    },
+    {
+      "format": "USD",
+      "runtimeImportStatus": "OPERATOR_UNREGISTERED",
+      "runtimeExportStatus": "OPERATOR_UNREGISTERED",
+      "operations": {
+        "IMPORT": {
+          "local": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "material": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "animation": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          }
+        },
+        "EXPORT": {
+          "local": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "material": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "animation": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          }
+        }
+      }
+    },
+    {
+      "format": "ALEMBIC",
+      "runtimeImportStatus": "OPERATOR_UNREGISTERED",
+      "runtimeExportStatus": "OPERATOR_UNREGISTERED",
+      "operations": {
+        "IMPORT": {
+          "local": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "material": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "animation": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          }
+        },
+        "EXPORT": {
+          "local": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "server": {
+            "status": "BLOCKED",
+            "execution": "NONE",
+            "code": "IO_FORMAT_UNSUPPORTED"
+          },
+          "geometry": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "material": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          },
+          "animation": {
+            "status": "UNVERIFIED",
+            "evidence": "no verified Web executor for this format/operation"
+          }
+        }
+      }
+    }
+  ]
+}

tests/golden/M12-05B/manifest.json

@@ -0,0 +1,27 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-05B",
+  "parentTask": "M12-05A",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_CAPABILITY_MATRIX_PROTOCOL",
+  "operation": "IO_FORMAT_CAPABILITY_MATRIX",
+  "assertions": {
+    "formatCount": 7,
+    "localGlbExportReady": true,
+    "blockedImportRoutes": 7,
+    "blockedServerRoutes": 14,
+    "unverifiedUnimplementedFeatures": true,
+    "runtimeBinding": true
+  },
+  "artifacts": {
+    "parentManifest": { "path": "tests/golden/M12-05A/manifest.json", "sha256": "202b144c91f8e2c39477e257aeb26f9bd0b1b05b459ff8a246668024e94deec7" },
+    "protocol": { "path": "web/protocol/io-format-capability-matrix.ts", "sha256": "3063ae5e45f5b1642d329aa554187d121998d816a5a6740a2b9662f00c3c5738" },
+    "generator": { "path": "tools/web/generate-io-format-capability-matrix.mjs", "sha256": "746078caaf29fa5aa2281b901b9ea5fc66f9a935eb3f6e282d4fbfb018d4c390" },
+    "checker": { "path": "tools/web/check-io-format-capability-matrix.mjs", "sha256": "4a8b35cd7f87238c13627a00c3bb0b34c130fc34d597773574efac7d8909b804" },
+    "unit": { "path": "web/tests/unit/io-format-capability-matrix.test.mjs", "sha256": "0cc4d8f1df1ecdab20d8100cf5f12b44cb2a68bca4384ef7964a032b2f74b36e" },
+    "matrix": { "path": "tests/golden/M12-05B/capability-matrix.json", "sha256": "139c9d764736da176b32414ecda840c07eb0ba5f3864da2dc08ce04bae161366" },
+    "package": { "path": "web/package.json", "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c" }
+  },
+  "nextTask": "M12-05C"
+}

tests/golden/M12-05C/manifest.json

@@ -0,0 +1,29 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-05C",
+  "parentTask": "M12-05B",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_IO_FORMAT_UI_CAPABILITY_GATE",
+  "operation": "IO_FORMAT_UI_GATE",
+  "assertions": {
+    "matrixBound": true,
+    "projectFileAccept": ".blend,application/octet-stream",
+    "importRoutes": 0,
+    "localExportRoutes": 1,
+    "blockedRoutesHidden": true,
+    "operatorSearchUsesRegistry": true,
+    "unsupportedSelectionFailClosed": true
+  },
+  "artifacts": {
+    "parentManifest": { "path": "tests/golden/M12-05B/manifest.json", "sha256": "8cc9517c9f25138c351bc5a79efe3b1ce6d9f6663d3b7c14397c5e4e8f11181a" },
+    "protocol": { "path": "web/protocol/io-format-ui-gate.ts", "sha256": "fc397ceb947d4ede6c34c1d51438253a6b59244fc40f5eb77ce155bf1c477476" },
+    "generator": { "path": "tools/web/generate-io-format-ui-gate.mjs", "sha256": "1ef4ae8a3e8d2f73101a87cba1c42ea99a065e1f6846f6a591841b97c0c39e6f" },
+    "checker": { "path": "tools/web/check-io-format-ui-gate.mjs", "sha256": "81d6f27df26aab7b633fbe61c6d7b37519668aff41e43314924dceaacb3affde" },
+    "unit": { "path": "web/tests/unit/io-format-ui-gate.test.mjs", "sha256": "84ca8fb6022da9f167daa104c44489a6c7d9f059699e57ce621b8d7f64f19082" },
+    "chromium": { "path": "web/tests/e2e/io-format-ui-gate.spec.ts", "sha256": "eda2cdb9ede3bcbd717800c9c6fdb28d8cebef96f0296a2ee847a05e60cd0eed" },
+    "registry": { "path": "web/app/src/capabilities/io-format-ui-registry.json", "sha256": "6b410bc6f2cad032af55bf13e1c8ddd841b01e9913ffc0ba381da8b7204285fd" },
+    "package": { "path": "web/package.json", "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c" }
+  },
+  "nextTask": "M12-05D"
+}

tests/golden/M12-05D/manifest.json

@@ -0,0 +1,30 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-05D",
+  "parentTask": "M12-05C",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "BLENDER_5_2_RUNTIME_RECEIPT_GATE",
+  "operation": "IO_FORMAT_RUNTIME_RECEIPT",
+  "assertions": {
+    "inventoryBound": true,
+    "formatCount": 7,
+    "receiptCount": 14,
+    "glbExport": "READY",
+    "usdExport": "BLOCKED",
+    "extensionIndependent": true,
+    "uiExecutorBound": true
+  },
+  "artifacts": {
+    "parentManifest": { "path": "tests/golden/M12-05C/manifest.json", "sha256": "f46fd394e2144255d8b4304e8ce4fe60aad4302a80e991fd83d50cd915235ee3" },
+    "protocol": { "path": "web/protocol/io-format-runtime-receipt.ts", "sha256": "461a84557fa368c29dbc6707959b689faae7c8f7050dccc4d3f12e358b61bb22" },
+    "generator": { "path": "tools/web/generate-io-format-runtime-receipts.mjs", "sha256": "796cd641e86d8242c13317f771ae237cbf1692ff675a53bbdb689615edb5f372" },
+    "checker": { "path": "tools/web/check-io-format-runtime-receipts.mjs", "sha256": "aaf9862041f155f96f50ea8481ff765089255bc59ecd8944f12362b81b8c1f1a" },
+    "unit": { "path": "web/tests/unit/io-format-runtime-receipt.test.mjs", "sha256": "a5f09277f5dcdacd25c44191f7407d6cee944f8022b1c467c2a69e172fc2ac6b" },
+    "runtimeReceipts": { "path": "tests/golden/M12-05D/runtime-receipts.json", "sha256": "f2c9a77e2cfad0ef3574b804fc06fb22972c07f55c72b0e6db2e359c4d95f57b" },
+    "appReceipts": { "path": "web/app/src/capabilities/io-format-runtime-receipts.json", "sha256": "f2c9a77e2cfad0ef3574b804fc06fb22972c07f55c72b0e6db2e359c4d95f57b" },
+    "app": { "path": "web/app/src/app/App.tsx", "sha256": "74216aac70992f8d879e983237ca324b998008582f0cd4658e90994cf9fae0a8" },
+    "package": { "path": "web/package.json", "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c" }
+  },
+  "nextTask": "M12-05E"
+}

tests/golden/M12-05D/runtime-receipts.json

@@ -0,0 +1,282 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-05D",
+  "inventorySha256": "0d660b0fd8b647ebbf4e91afebd5006bd100973ab8e2507a5bfe759f477b33b4",
+  "runtime": {
+    "binarySha256": "d4483926610484ef9c2ad9241aae1469f934d955ebe791f1920e263e0ba85b82",
+    "blenderVersion": "5.2.0 LTS",
+    "buildBranch": "unknown",
+    "buildCommitTimestamp": 0,
+    "buildDate": "2026-07-24",
+    "buildHash": "unknown",
+    "buildOptions": {
+      "alembic": false,
+      "io_ply": true,
+      "io_stl": true,
+      "io_wavefront_obj": true,
+      "usd": false
+    },
+    "buildPlatform": "Linux",
+    "buildTime": "08:03:47",
+    "buildType": "Release",
+    "versionTuple": [
+      5,
+      2,
+      0
+    ]
+  },
+  "receipts": [
+    {
+      "format": "GLTF",
+      "family": "GLTF",
+      "operation": "IMPORT",
+      "operator": "import_scene.gltf",
+      "registered": true,
+      "rnaIdentifier": "IMPORT_SCENE_OT_gltf",
+      "buildOption": null,
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "GLTF_SEPARATE"
+      ],
+      "extensions": [
+        ".gltf"
+      ]
+    },
+    {
+      "format": "GLTF",
+      "family": "GLTF",
+      "operation": "EXPORT",
+      "operator": "export_scene.gltf",
+      "registered": true,
+      "rnaIdentifier": "EXPORT_SCENE_OT_gltf",
+      "buildOption": null,
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "GLTF_SEPARATE"
+      ],
+      "extensions": [
+        ".gltf"
+      ]
+    },
+    {
+      "format": "GLB",
+      "family": "GLTF",
+      "operation": "IMPORT",
+      "operator": "import_scene.gltf",
+      "registered": true,
+      "rnaIdentifier": "IMPORT_SCENE_OT_gltf",
+      "buildOption": null,
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "GLB"
+      ],
+      "extensions": [
+        ".glb"
+      ]
+    },
+    {
+      "format": "GLB",
+      "family": "GLTF",
+      "operation": "EXPORT",
+      "operator": "export_scene.gltf",
+      "registered": true,
+      "rnaIdentifier": "EXPORT_SCENE_OT_gltf",
+      "buildOption": null,
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "GLB"
+      ],
+      "extensions": [
+        ".glb"
+      ]
+    },
+    {
+      "format": "OBJ",
+      "family": "OBJ",
+      "operation": "IMPORT",
+      "operator": "wm.obj_import",
+      "registered": true,
+      "rnaIdentifier": "WM_OT_obj_import",
+      "buildOption": "io_wavefront_obj",
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "OBJ"
+      ],
+      "extensions": [
+        ".obj"
+      ]
+    },
+    {
+      "format": "OBJ",
+      "family": "OBJ",
+      "operation": "EXPORT",
+      "operator": "wm.obj_export",
+      "registered": true,
+      "rnaIdentifier": "WM_OT_obj_export",
+      "buildOption": "io_wavefront_obj",
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "OBJ"
+      ],
+      "extensions": [
+        ".obj"
+      ]
+    },
+    {
+      "format": "STL",
+      "family": "STL",
+      "operation": "IMPORT",
+      "operator": "wm.stl_import",
+      "registered": true,
+      "rnaIdentifier": "WM_OT_stl_import",
+      "buildOption": "io_stl",
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "STL_BINARY",
+        "STL_ASCII"
+      ],
+      "extensions": [
+        ".stl"
+      ]
+    },
+    {
+      "format": "STL",
+      "family": "STL",
+      "operation": "EXPORT",
+      "operator": "wm.stl_export",
+      "registered": true,
+      "rnaIdentifier": "WM_OT_stl_export",
+      "buildOption": "io_stl",
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "STL_BINARY",
+        "STL_ASCII"
+      ],
+      "extensions": [
+        ".stl"
+      ]
+    },
+    {
+      "format": "PLY",
+      "family": "PLY",
+      "operation": "IMPORT",
+      "operator": "wm.ply_import",
+      "registered": true,
+      "rnaIdentifier": "WM_OT_ply_import",
+      "buildOption": "io_ply",
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "PLY"
+      ],
+      "extensions": [
+        ".ply"
+      ]
+    },
+    {
+      "format": "PLY",
+      "family": "PLY",
+      "operation": "EXPORT",
+      "operator": "wm.ply_export",
+      "registered": true,
+      "rnaIdentifier": "WM_OT_ply_export",
+      "buildOption": "io_ply",
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "PLY"
+      ],
+      "extensions": [
+        ".ply"
+      ]
+    },
+    {
+      "format": "USD",
+      "family": "USD",
+      "operation": "IMPORT",
+      "operator": "wm.usd_import",
+      "registered": false,
+      "rnaIdentifier": null,
+      "buildOption": "usd",
+      "buildOptionEnabled": null,
+      "runtimeStatus": "OPERATOR_UNREGISTERED",
+      "variants": [
+        "USD",
+        "USDA",
+        "USDC",
+        "USDZ"
+      ],
+      "extensions": [
+        ".usd",
+        ".usda",
+        ".usdc",
+        ".usdz"
+      ]
+    },
+    {
+      "format": "USD",
+      "family": "USD",
+      "operation": "EXPORT",
+      "operator": "wm.usd_export",
+      "registered": false,
+      "rnaIdentifier": null,
+      "buildOption": "usd",
+      "buildOptionEnabled": null,
+      "runtimeStatus": "OPERATOR_UNREGISTERED",
+      "variants": [
+        "USD",
+        "USDA",
+        "USDC",
+        "USDZ"
+      ],
+      "extensions": [
+        ".usd",
+        ".usda",
+        ".usdc",
+        ".usdz"
+      ]
+    },
+    {
+      "format": "ALEMBIC",
+      "family": "ALEMBIC",
+      "operation": "IMPORT",
+      "operator": "wm.alembic_import",
+      "registered": false,
+      "rnaIdentifier": null,
+      "buildOption": "alembic",
+      "buildOptionEnabled": null,
+      "runtimeStatus": "OPERATOR_UNREGISTERED",
+      "variants": [
+        "ALEMBIC"
+      ],
+      "extensions": [
+        ".abc"
+      ]
+    },
+    {
+      "format": "ALEMBIC",
+      "family": "ALEMBIC",
+      "operation": "EXPORT",
+      "operator": "wm.alembic_export",
+      "registered": false,
+      "rnaIdentifier": null,
+      "buildOption": "alembic",
+      "buildOptionEnabled": null,
+      "runtimeStatus": "OPERATOR_UNREGISTERED",
+      "variants": [
+        "ALEMBIC"
+      ],
+      "extensions": [
+        ".abc"
+      ]
+    }
+  ]
+}

tests/golden/M12-05E/bound-runtime-receipts.json

@@ -0,0 +1,325 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-05E",
+  "parentReceiptSetSha256": "f2c9a77e2cfad0ef3574b804fc06fb22972c07f55c72b0e6db2e359c4d95f57b",
+  "inventorySha256": "0d660b0fd8b647ebbf4e91afebd5006bd100973ab8e2507a5bfe759f477b33b4",
+  "runtime": {
+    "binarySha256": "d4483926610484ef9c2ad9241aae1469f934d955ebe791f1920e263e0ba85b82",
+    "blenderVersion": "5.2.0 LTS",
+    "buildBranch": "unknown",
+    "buildCommitTimestamp": 0,
+    "buildDate": "2026-07-24",
+    "buildHash": "unknown",
+    "buildOptions": {
+      "alembic": false,
+      "io_ply": true,
+      "io_stl": true,
+      "io_wavefront_obj": true,
+      "usd": false
+    },
+    "buildPlatform": "Linux",
+    "buildTime": "08:03:47",
+    "buildType": "Release",
+    "versionTuple": [
+      5,
+      2,
+      0
+    ]
+  },
+  "receipts": [
+    {
+      "format": "GLTF",
+      "family": "GLTF",
+      "operation": "IMPORT",
+      "operator": "import_scene.gltf",
+      "registered": true,
+      "rnaIdentifier": "IMPORT_SCENE_OT_gltf",
+      "buildOption": null,
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "GLTF_SEPARATE"
+      ],
+      "extensions": [
+        ".gltf"
+      ],
+      "sourceSha256": "843c7eb040189ccd7fcccfb697c4ecfd35d405add50008967b7ca5a89e4dcde7",
+      "settingsSha256": "01a5fbe96ab7af4bf38c35a3723a7619233299086e400ff5064dbd91e9d586e8",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    },
+    {
+      "format": "GLTF",
+      "family": "GLTF",
+      "operation": "EXPORT",
+      "operator": "export_scene.gltf",
+      "registered": true,
+      "rnaIdentifier": "EXPORT_SCENE_OT_gltf",
+      "buildOption": null,
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "GLTF_SEPARATE"
+      ],
+      "extensions": [
+        ".gltf"
+      ],
+      "sourceSha256": "a1c2dea067898071d6d4f0fc4f83e81df920bc572a9250ed01229d618ef15a37",
+      "settingsSha256": "df7db92e5ea9a4d52a81dc8092f48ca9dfda80594e500b05f3787352891962f9",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    },
+    {
+      "format": "GLB",
+      "family": "GLTF",
+      "operation": "IMPORT",
+      "operator": "import_scene.gltf",
+      "registered": true,
+      "rnaIdentifier": "IMPORT_SCENE_OT_gltf",
+      "buildOption": null,
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "GLB"
+      ],
+      "extensions": [
+        ".glb"
+      ],
+      "sourceSha256": "d78e336432dc578727992b8ca53368e3ac49ffdafeb1c16847fe48c54e35a079",
+      "settingsSha256": "b909a16f4103dfad49997c597c80ad3e71a932989f8a4594eb4f019223bd56e6",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    },
+    {
+      "format": "GLB",
+      "family": "GLTF",
+      "operation": "EXPORT",
+      "operator": "export_scene.gltf",
+      "registered": true,
+      "rnaIdentifier": "EXPORT_SCENE_OT_gltf",
+      "buildOption": null,
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "GLB"
+      ],
+      "extensions": [
+        ".glb"
+      ],
+      "sourceSha256": "0c2820eb9d7b82a1cd1cb208f75f263a527c58576952d4bd934cf0f7eb29ee3e",
+      "settingsSha256": "3b375dcb889e594e61da9d8e912037d8fa0220ea876e7465e6c37da4f5b21cee",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    },
+    {
+      "format": "OBJ",
+      "family": "OBJ",
+      "operation": "IMPORT",
+      "operator": "wm.obj_import",
+      "registered": true,
+      "rnaIdentifier": "WM_OT_obj_import",
+      "buildOption": "io_wavefront_obj",
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "OBJ"
+      ],
+      "extensions": [
+        ".obj"
+      ],
+      "sourceSha256": "42f9e3b35f753e43100aaea618ed306f1bf062fb7bb44af841a2e2d599449fbd",
+      "settingsSha256": "4e879a3018ffcf529c28fb54e09efe5f3829b501a2b001da86f9a9b4b303bccb",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    },
+    {
+      "format": "OBJ",
+      "family": "OBJ",
+      "operation": "EXPORT",
+      "operator": "wm.obj_export",
+      "registered": true,
+      "rnaIdentifier": "WM_OT_obj_export",
+      "buildOption": "io_wavefront_obj",
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "OBJ"
+      ],
+      "extensions": [
+        ".obj"
+      ],
+      "sourceSha256": "b4328f82639bdfefb016aec15629135ebd080e0a5696759dd670ab85168b7c60",
+      "settingsSha256": "f7660d5742890d2f05e8da803f5d8616233570a4f06960b85a2142efd9396d2f",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    },
+    {
+      "format": "STL",
+      "family": "STL",
+      "operation": "IMPORT",
+      "operator": "wm.stl_import",
+      "registered": true,
+      "rnaIdentifier": "WM_OT_stl_import",
+      "buildOption": "io_stl",
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "STL_BINARY",
+        "STL_ASCII"
+      ],
+      "extensions": [
+        ".stl"
+      ],
+      "sourceSha256": "f6bb7a058c246914f5f077665aab1f3d45c60b176f917b15a54522d12164c703",
+      "settingsSha256": "b01bd0b819aa72cf1de817b3e9bca2df03b9ceac41f639f738176973fea9accb",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    },
+    {
+      "format": "STL",
+      "family": "STL",
+      "operation": "EXPORT",
+      "operator": "wm.stl_export",
+      "registered": true,
+      "rnaIdentifier": "WM_OT_stl_export",
+      "buildOption": "io_stl",
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "STL_BINARY",
+        "STL_ASCII"
+      ],
+      "extensions": [
+        ".stl"
+      ],
+      "sourceSha256": "8be11ddd9bd68dcddc676529d30abcc236289f25ece32e137fd79bcd5ff3286d",
+      "settingsSha256": "5f1797ab8291fb3d84a8c1a892aa692a120a7db4ef84c9d3a9b1e78d5a6d92b7",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    },
+    {
+      "format": "PLY",
+      "family": "PLY",
+      "operation": "IMPORT",
+      "operator": "wm.ply_import",
+      "registered": true,
+      "rnaIdentifier": "WM_OT_ply_import",
+      "buildOption": "io_ply",
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "PLY"
+      ],
+      "extensions": [
+        ".ply"
+      ],
+      "sourceSha256": "2c8483351e293c5e0450f55902c24e3346bf95d53243ebf194fccc1efc1caa80",
+      "settingsSha256": "390cbc8a4843d88bd567a7f7d51b9e0d5853992bfc7a66c4a2fd335ed33d25a3",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    },
+    {
+      "format": "PLY",
+      "family": "PLY",
+      "operation": "EXPORT",
+      "operator": "wm.ply_export",
+      "registered": true,
+      "rnaIdentifier": "WM_OT_ply_export",
+      "buildOption": "io_ply",
+      "buildOptionEnabled": true,
+      "runtimeStatus": "AVAILABLE",
+      "variants": [
+        "PLY"
+      ],
+      "extensions": [
+        ".ply"
+      ],
+      "sourceSha256": "2f6cf92d5a813083b206b9c38a4442f82685b1c5740f313b90a0a7b60604a2b5",
+      "settingsSha256": "cd4bf21d72086001a02377cdc5c7f22856cbd1e04b261e37484260f3fc2ea6ae",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    },
+    {
+      "format": "USD",
+      "family": "USD",
+      "operation": "IMPORT",
+      "operator": "wm.usd_import",
+      "registered": false,
+      "rnaIdentifier": null,
+      "buildOption": "usd",
+      "buildOptionEnabled": null,
+      "runtimeStatus": "OPERATOR_UNREGISTERED",
+      "variants": [
+        "USD",
+        "USDA",
+        "USDC",
+        "USDZ"
+      ],
+      "extensions": [
+        ".usd",
+        ".usda",
+        ".usdc",
+        ".usdz"
+      ],
+      "sourceSha256": "a8f79c9243ffa9ba0ba8e3e948c198fdffa727bac578269d8ec041f56cad1c5d",
+      "settingsSha256": "5a396eb68ddd5943df9834996b1e6b993ad7e66b019308aa318517980b518390",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    },
+    {
+      "format": "USD",
+      "family": "USD",
+      "operation": "EXPORT",
+      "operator": "wm.usd_export",
+      "registered": false,
+      "rnaIdentifier": null,
+      "buildOption": "usd",
+      "buildOptionEnabled": null,
+      "runtimeStatus": "OPERATOR_UNREGISTERED",
+      "variants": [
+        "USD",
+        "USDA",
+        "USDC",
+        "USDZ"
+      ],
+      "extensions": [
+        ".usd",
+        ".usda",
+        ".usdc",
+        ".usdz"
+      ],
+      "sourceSha256": "cf6a9737773c27faf82cd8b3d4df84a9b671e1c873cd5041f12d70926ec62abf",
+      "settingsSha256": "5a396eb68ddd5943df9834996b1e6b993ad7e66b019308aa318517980b518390",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    },
+    {
+      "format": "ALEMBIC",
+      "family": "ALEMBIC",
+      "operation": "IMPORT",
+      "operator": "wm.alembic_import",
+      "registered": false,
+      "rnaIdentifier": null,
+      "buildOption": "alembic",
+      "buildOptionEnabled": null,
+      "runtimeStatus": "OPERATOR_UNREGISTERED",
+      "variants": [
+        "ALEMBIC"
+      ],
+      "extensions": [
+        ".abc"
+      ],
+      "sourceSha256": "7471c261ab8520df718399e69f6f8d73be11fb76f1717eac9a407964fc2f7ee3",
+      "settingsSha256": "fa2669dd3c464f8312581faf665690709dc503fdfb5662642a6e635bd2e91e55",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    },
+    {
+      "format": "ALEMBIC",
+      "family": "ALEMBIC",
+      "operation": "EXPORT",
+      "operator": "wm.alembic_export",
+      "registered": false,
+      "rnaIdentifier": null,
+      "buildOption": "alembic",
+      "buildOptionEnabled": null,
+      "runtimeStatus": "OPERATOR_UNREGISTERED",
+      "variants": [
+        "ALEMBIC"
+      ],
+      "extensions": [
+        ".abc"
+      ],
+      "sourceSha256": "8d983f6f8c5bb722d2b12c47c56115ae4bdff0a173a9fb9f4d93f083bea8e513",
+      "settingsSha256": "fa2669dd3c464f8312581faf665690709dc503fdfb5662642a6e635bd2e91e55",
+      "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+    }
+  ]
+}

tests/golden/M12-05E/manifest.json

@@ -0,0 +1,28 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-05E",
+  "parentTask": "M12-05D",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "BLENDER_5_2_BOUND_RUNTIME_RECEIPT",
+  "operation": "IO_FORMAT_RECEIPT_BINDING",
+  "assertions": {
+    "receiptCount": 14,
+    "sourceHashBound": true,
+    "settingsHashBound": true,
+    "runtimeHashBound": true,
+    "parentInventoryBound": true,
+    "deterministic": true,
+    "packageHashPreserved": true
+  },
+  "artifacts": {
+    "parentManifest": { "path": "tests/golden/M12-05D/manifest.json", "sha256": "3d0049a7b0331f01bb71df043270c18d1a5c9ce6dc74353c49c8ce591761df1b" },
+    "protocol": { "path": "web/protocol/io-format-receipt-binding.ts", "sha256": "681e719ab2b18eb85d056547fb70b461dd73b3a7fb4fdbe6295b8e49d5649e49" },
+    "generator": { "path": "tools/web/generate-io-format-receipt-bindings.mjs", "sha256": "eb7b5c499f141c1788bc37e53585662eedff3f2dabff870f4ad166f4a619796f" },
+    "checker": { "path": "tools/web/check-io-format-receipt-bindings.mjs", "sha256": "ec2b22b468809ecc25ab2d4983065680a66ad3be6705d1827b44bf45ac622e26" },
+    "unit": { "path": "web/tests/unit/io-format-receipt-binding.test.mjs", "sha256": "e9ae3e360ad41c32da3634a4efa915654853e79a35df36728c1ddf586a0bf7b5" },
+    "boundReceipts": { "path": "tests/golden/M12-05E/bound-runtime-receipts.json", "sha256": "7f765bf16b62466f579b3de00751a0e012fef1c788f229c8e9675a57caa18aad" },
+    "package": { "path": "web/package.json", "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c" }
+  },
+  "nextTask": "M12-05F"
+}

tests/golden/M12-05F/fresh-runtime-receipts.json

@@ -0,0 +1,332 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-05F",
+  "parentBindingSha256": "7f765bf16b62466f579b3de00751a0e012fef1c788f229c8e9675a57caa18aad",
+  "boundReceiptSetSha256": "2015d719a2046f76dda3daf7c8ae7a3fc5183a499489ef06a0c33f166c6ea0b9",
+  "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6",
+  "bound": {
+    "schemaVersion": 1,
+    "task": "M12-05E",
+    "parentReceiptSetSha256": "f2c9a77e2cfad0ef3574b804fc06fb22972c07f55c72b0e6db2e359c4d95f57b",
+    "inventorySha256": "0d660b0fd8b647ebbf4e91afebd5006bd100973ab8e2507a5bfe759f477b33b4",
+    "runtime": {
+      "binarySha256": "d4483926610484ef9c2ad9241aae1469f934d955ebe791f1920e263e0ba85b82",
+      "blenderVersion": "5.2.0 LTS",
+      "buildBranch": "unknown",
+      "buildCommitTimestamp": 0,
+      "buildDate": "2026-07-24",
+      "buildHash": "unknown",
+      "buildOptions": {
+        "alembic": false,
+        "io_ply": true,
+        "io_stl": true,
+        "io_wavefront_obj": true,
+        "usd": false
+      },
+      "buildPlatform": "Linux",
+      "buildTime": "08:03:47",
+      "buildType": "Release",
+      "versionTuple": [
+        5,
+        2,
+        0
+      ]
+    },
+    "receipts": [
+      {
+        "format": "GLTF",
+        "family": "GLTF",
+        "operation": "IMPORT",
+        "operator": "import_scene.gltf",
+        "registered": true,
+        "rnaIdentifier": "IMPORT_SCENE_OT_gltf",
+        "buildOption": null,
+        "buildOptionEnabled": true,
+        "runtimeStatus": "AVAILABLE",
+        "variants": [
+          "GLTF_SEPARATE"
+        ],
+        "extensions": [
+          ".gltf"
+        ],
+        "sourceSha256": "843c7eb040189ccd7fcccfb697c4ecfd35d405add50008967b7ca5a89e4dcde7",
+        "settingsSha256": "01a5fbe96ab7af4bf38c35a3723a7619233299086e400ff5064dbd91e9d586e8",
+        "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+      },
+      {
+        "format": "GLTF",
+        "family": "GLTF",
+        "operation": "EXPORT",
+        "operator": "export_scene.gltf",
+        "registered": true,
+        "rnaIdentifier": "EXPORT_SCENE_OT_gltf",
+        "buildOption": null,
+        "buildOptionEnabled": true,
+        "runtimeStatus": "AVAILABLE",
+        "variants": [
+          "GLTF_SEPARATE"
+        ],
+        "extensions": [
+          ".gltf"
+        ],
+        "sourceSha256": "a1c2dea067898071d6d4f0fc4f83e81df920bc572a9250ed01229d618ef15a37",
+        "settingsSha256": "df7db92e5ea9a4d52a81dc8092f48ca9dfda80594e500b05f3787352891962f9",
+        "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+      },
+      {
+        "format": "GLB",
+        "family": "GLTF",
+        "operation": "IMPORT",
+        "operator": "import_scene.gltf",
+        "registered": true,
+        "rnaIdentifier": "IMPORT_SCENE_OT_gltf",
+        "buildOption": null,
+        "buildOptionEnabled": true,
+        "runtimeStatus": "AVAILABLE",
+        "variants": [
+          "GLB"
+        ],
+        "extensions": [
+          ".glb"
+        ],
+        "sourceSha256": "d78e336432dc578727992b8ca53368e3ac49ffdafeb1c16847fe48c54e35a079",
+        "settingsSha256": "b909a16f4103dfad49997c597c80ad3e71a932989f8a4594eb4f019223bd56e6",
+        "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+      },
+      {
+        "format": "GLB",
+        "family": "GLTF",
+        "operation": "EXPORT",
+        "operator": "export_scene.gltf",
+        "registered": true,
+        "rnaIdentifier": "EXPORT_SCENE_OT_gltf",
+        "buildOption": null,
+        "buildOptionEnabled": true,
+        "runtimeStatus": "AVAILABLE",
+        "variants": [
+          "GLB"
+        ],
+        "extensions": [
+          ".glb"
+        ],
+        "sourceSha256": "0c2820eb9d7b82a1cd1cb208f75f263a527c58576952d4bd934cf0f7eb29ee3e",
+        "settingsSha256": "3b375dcb889e594e61da9d8e912037d8fa0220ea876e7465e6c37da4f5b21cee",
+        "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+      },
+      {
+        "format": "OBJ",
+        "family": "OBJ",
+        "operation": "IMPORT",
+        "operator": "wm.obj_import",
+        "registered": true,
+        "rnaIdentifier": "WM_OT_obj_import",
+        "buildOption": "io_wavefront_obj",
+        "buildOptionEnabled": true,
+        "runtimeStatus": "AVAILABLE",
+        "variants": [
+          "OBJ"
+        ],
+        "extensions": [
+          ".obj"
+        ],
+        "sourceSha256": "42f9e3b35f753e43100aaea618ed306f1bf062fb7bb44af841a2e2d599449fbd",
+        "settingsSha256": "4e879a3018ffcf529c28fb54e09efe5f3829b501a2b001da86f9a9b4b303bccb",
+        "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+      },
+      {
+        "format": "OBJ",
+        "family": "OBJ",
+        "operation": "EXPORT",
+        "operator": "wm.obj_export",
+        "registered": true,
+        "rnaIdentifier": "WM_OT_obj_export",
+        "buildOption": "io_wavefront_obj",
+        "buildOptionEnabled": true,
+        "runtimeStatus": "AVAILABLE",
+        "variants": [
+          "OBJ"
+        ],
+        "extensions": [
+          ".obj"
+        ],
+        "sourceSha256": "b4328f82639bdfefb016aec15629135ebd080e0a5696759dd670ab85168b7c60",
+        "settingsSha256": "f7660d5742890d2f05e8da803f5d8616233570a4f06960b85a2142efd9396d2f",
+        "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+      },
+      {
+        "format": "STL",
+        "family": "STL",
+        "operation": "IMPORT",
+        "operator": "wm.stl_import",
+        "registered": true,
+        "rnaIdentifier": "WM_OT_stl_import",
+        "buildOption": "io_stl",
+        "buildOptionEnabled": true,
+        "runtimeStatus": "AVAILABLE",
+        "variants": [
+          "STL_BINARY",
+          "STL_ASCII"
+        ],
+        "extensions": [
+          ".stl"
+        ],
+        "sourceSha256": "f6bb7a058c246914f5f077665aab1f3d45c60b176f917b15a54522d12164c703",
+        "settingsSha256": "b01bd0b819aa72cf1de817b3e9bca2df03b9ceac41f639f738176973fea9accb",
+        "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+      },
+      {
+        "format": "STL",
+        "family": "STL",
+        "operation": "EXPORT",
+        "operator": "wm.stl_export",
+        "registered": true,
+        "rnaIdentifier": "WM_OT_stl_export",
+        "buildOption": "io_stl",
+        "buildOptionEnabled": true,
+        "runtimeStatus": "AVAILABLE",
+        "variants": [
+          "STL_BINARY",
+          "STL_ASCII"
+        ],
+        "extensions": [
+          ".stl"
+        ],
+        "sourceSha256": "8be11ddd9bd68dcddc676529d30abcc236289f25ece32e137fd79bcd5ff3286d",
+        "settingsSha256": "5f1797ab8291fb3d84a8c1a892aa692a120a7db4ef84c9d3a9b1e78d5a6d92b7",
+        "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+      },
+      {
+        "format": "PLY",
+        "family": "PLY",
+        "operation": "IMPORT",
+        "operator": "wm.ply_import",
+        "registered": true,
+        "rnaIdentifier": "WM_OT_ply_import",
+        "buildOption": "io_ply",
+        "buildOptionEnabled": true,
+        "runtimeStatus": "AVAILABLE",
+        "variants": [
+          "PLY"
+        ],
+        "extensions": [
+          ".ply"
+        ],
+        "sourceSha256": "2c8483351e293c5e0450f55902c24e3346bf95d53243ebf194fccc1efc1caa80",
+        "settingsSha256": "390cbc8a4843d88bd567a7f7d51b9e0d5853992bfc7a66c4a2fd335ed33d25a3",
+        "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+      },
+      {
+        "format": "PLY",
+        "family": "PLY",
+        "operation": "EXPORT",
+        "operator": "wm.ply_export",
+        "registered": true,
+        "rnaIdentifier": "WM_OT_ply_export",
+        "buildOption": "io_ply",
+        "buildOptionEnabled": true,
+        "runtimeStatus": "AVAILABLE",
+        "variants": [
+          "PLY"
+        ],
+        "extensions": [
+          ".ply"
+        ],
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+        "settingsSha256": "cd4bf21d72086001a02377cdc5c7f22856cbd1e04b261e37484260f3fc2ea6ae",
+        "runtimeSha256": "729b46fdfea424feb258ee42ad0f3360aa433abaf31831eeb8e4f6203fa298b6"
+      },
+      {
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+        "family": "USD",
+        "operation": "IMPORT",
+        "operator": "wm.usd_import",
+        "registered": false,
+        "rnaIdentifier": null,
+        "buildOption": "usd",
+        "buildOptionEnabled": null,
+        "runtimeStatus": "OPERATOR_UNREGISTERED",
+        "variants": [
+          "USD",
+          "USDA",
+          "USDC",
+          "USDZ"
+        ],
+        "extensions": [
+          ".usd",
+          ".usda",
+          ".usdc",
+          ".usdz"
+        ],
+        "sourceSha256": "a8f79c9243ffa9ba0ba8e3e948c198fdffa727bac578269d8ec041f56cad1c5d",
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+      },
+      {
+        "format": "USD",
+        "family": "USD",
+        "operation": "EXPORT",
+        "operator": "wm.usd_export",
+        "registered": false,
+        "rnaIdentifier": null,
+        "buildOption": "usd",
+        "buildOptionEnabled": null,
+        "runtimeStatus": "OPERATOR_UNREGISTERED",
+        "variants": [
+          "USD",
+          "USDA",
+          "USDC",
+          "USDZ"
+        ],
+        "extensions": [
+          ".usd",
+          ".usda",
+          ".usdc",
+          ".usdz"
+        ],
+        "sourceSha256": "cf6a9737773c27faf82cd8b3d4df84a9b671e1c873cd5041f12d70926ec62abf",
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+      },
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+        "family": "ALEMBIC",
+        "operation": "IMPORT",
+        "operator": "wm.alembic_import",
+        "registered": false,
+        "rnaIdentifier": null,
+        "buildOption": "alembic",
+        "buildOptionEnabled": null,
+        "runtimeStatus": "OPERATOR_UNREGISTERED",
+        "variants": [
+          "ALEMBIC"
+        ],
+        "extensions": [
+          ".abc"
+        ],
+        "sourceSha256": "7471c261ab8520df718399e69f6f8d73be11fb76f1717eac9a407964fc2f7ee3",
+        "settingsSha256": "fa2669dd3c464f8312581faf665690709dc503fdfb5662642a6e635bd2e91e55",
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+      },
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+        "family": "ALEMBIC",
+        "operation": "EXPORT",
+        "operator": "wm.alembic_export",
+        "registered": false,
+        "rnaIdentifier": null,
+        "buildOption": "alembic",
+        "buildOptionEnabled": null,
+        "runtimeStatus": "OPERATOR_UNREGISTERED",
+        "variants": [
+          "ALEMBIC"
+        ],
+        "extensions": [
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+      }
+    ]
+  }
+}

tests/golden/M12-05F/manifest.json

@@ -0,0 +1,34 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-05F",
+  "parentTask": "M12-05E",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "BLENDER_5_2_RUNTIME_RECEIPT_FRESHNESS",
+  "operation": "IO_FORMAT_RECEIPT_FRESHNESS_GATE",
+  "assertions": {
+    "receiptCount": 14,
+    "parentBindingBound": true,
+    "canonicalReceiptSetHash": true,
+    "runtimeIdentityHash": true,
+    "forgedReceiptBlocked": true,
+    "staleReceiptBlocked": true,
+    "crossVersionReceiptBlocked": true,
+    "appRouteBound": true,
+    "deterministic": true,
+    "packageHashPreserved": true
+  },
+  "artifacts": {
+    "parentManifest": { "path": "tests/golden/M12-05E/manifest.json", "sha256": "2fbaaf39c6acd9f55fbdbadccc0b027e9e7763bf069c954a96ca49b193648990" },
+    "protocol": { "path": "web/protocol/io-format-receipt-freshness.ts", "sha256": "111a630c7beccd31989dc4f78932b7d7b741fb6bef03e45cb39a8139f774d235" },
+    "generator": { "path": "tools/web/generate-io-format-receipt-freshness.mjs", "sha256": "6a1e798ce46e1d14d833091d4d7ae452dccb13efe583594277785465eb725bbf" },
+    "checker": { "path": "tools/web/check-io-format-receipt-freshness.mjs", "sha256": "7a8fe69ea1aa2c1e121be008a9fb60fc236f7ef776d2088a7b00b14f46fe3fba" },
+    "unit": { "path": "web/tests/unit/io-format-receipt-freshness.test.mjs", "sha256": "cd1c2adca81653f98f9a1c6c7d104ad0e3052283213fb7166dac827c956928fe" },
+    "freshnessReceipts": { "path": "tests/golden/M12-05F/fresh-runtime-receipts.json", "sha256": "0187ad0d9ea05fc4b152b7abd4945191dbe9ec24dfde4ca7dbe4aadfd1230efe" },
+    "appFreshnessReceipts": { "path": "web/app/src/capabilities/io-format-runtime-receipts-freshness.json", "sha256": "0187ad0d9ea05fc4b152b7abd4945191dbe9ec24dfde4ca7dbe4aadfd1230efe" },
+    "appExpected": { "path": "web/app/src/capabilities/io-format-runtime-receipts-freshness-expected.json", "sha256": "8d65f78aa774ff252871cb1cc09e69b4ff04fbb45e61200eaf67534c9d2651b2" },
+    "app": { "path": "web/app/src/app/App.tsx", "sha256": "043ff3a2f39ef3a1303791081b80851b427e7db5dfd9af2161926dd6f1ea9ca4" },
+    "package": { "path": "web/package.json", "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c" }
+  },
+  "nextTask": "M12-06A"
+}

tests/golden/M12-06A/desktop-fixtures.json

@@ -0,0 +1,697 @@
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+                    ],
+                    "min": [
+                      -0.75,
+                      0,
+                      -0.75
+                    ],
+                    "normalized": false,
+                    "type": "VEC3"
+                  }
+                },
+                "indices": {
+                  "componentType": 5123,
+                  "count": 3,
+                  "max": null,
+                  "min": null,
+                  "normalized": false,
+                  "type": "SCALAR"
+                },
+                "material": 0,
+                "mode": 4,
+                "targets": []
+              }
+            ]
+          }
+        ],
+        "nodeNames": [
+          "M12 Animation Fixture"
+        ],
+        "nodes": [
+          {
+            "children": [],
+            "mesh": 0,
+            "name": "M12 Animation Fixture",
+            "rotation": null,
+            "scale": null,
+            "skin": null,
+            "translation": [
+              -1,
+              0,
+              0
+            ]
+          }
+        ],
+        "samplers": [],
+        "scene": 0,
+        "skins": [],
+        "textures": []
+      },
+      "sha256": "44f6cc47961a146dc97ea337ae31a8b64bb4ab213b716f81ec22129db704f1fb"
+    }
+  ],
+  "maxFixtureBytes": 524288,
+  "nextTask": "M12-06B",
+  "operation": "DESKTOP_GLB_FIXTURE_GENERATION",
+  "runtime": {
+    "binarySha256": "d4483926610484ef9c2ad9241aae1469f934d955ebe791f1920e263e0ba85b82",
+    "blenderVersion": "5.2.0 LTS",
+    "buildBranch": "unknown",
+    "buildDate": "2026-07-24",
+    "buildHash": "unknown",
+    "buildPlatform": "Linux",
+    "buildTime": "08:03:47",
+    "buildType": "Release",
+    "versionTuple": [
+      5,
+      2,
+      0
+    ]
+  },
+  "schemaVersion": 1,
+  "task": "M12-06A"
+}

tests/golden/M12-06A/manifest.json

@@ -0,0 +1,57 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-06A",
+  "parentTask": "M12-05F",
+  "enablingTask": true,
+  "parityStateChange": false,
+  "runtime": "BLENDER_5_2_DESKTOP",
+  "operation": "DESKTOP_GLB_FIXTURE_GENERATION",
+  "fixtureIds": [
+    "mesh",
+    "pbr",
+    "uv",
+    "skin",
+    "animation"
+  ],
+  "fixtureCount": 5,
+  "maxFixtureBytes": 524288,
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-05F/manifest.json",
+      "sha256": "63e1506801ddee2f1eaf64cad68a9d5c918405f642ca237c6a1ec249ff297623"
+    },
+    "generator": {
+      "path": "tools/web/generate-glb-desktop-fixtures.py",
+      "sha256": "0247dd2405a68b42d99c2b005546ad2aa99b46416e3fe9489832467f6ea4eb4d"
+    },
+    "checker": {
+      "path": "tools/web/check-glb-desktop-fixtures.mjs",
+      "sha256": "211ebdb66bf2e2d349455d5303e889a4a1ae3323639a89dd78b3bda574dd820b"
+    },
+    "desktopReport": {
+      "path": "tests/golden/M12-06A/desktop-fixtures.json",
+      "sha256": "dea31cc861622166dc502b333bc177b70b66b54d9c62aaccc6522745dab5ae13"
+    },
+    "meshFixture": {
+      "path": "tests/files/web/m12_glb_desktop_v1/mesh.glb",
+      "sha256": "e52b9268b6524744fb498691f976000635e544ba3b47e9f8ff22b03bcdf17a94"
+    },
+    "pbrFixture": {
+      "path": "tests/files/web/m12_glb_desktop_v1/pbr.glb",
+      "sha256": "244cc8a992c5a70692b8bbc8333533718b3bac7022110715ce3b23d2e4c0b361"
+    },
+    "uvFixture": {
+      "path": "tests/files/web/m12_glb_desktop_v1/uv.glb",
+      "sha256": "1e0397d2b69d8261b3252451b50ab4aba6525b94713719f35069a9a9d96fcfa2"
+    },
+    "skinFixture": {
+      "path": "tests/files/web/m12_glb_desktop_v1/skin.glb",
+      "sha256": "4086ee4c8873aa03090338b676575b7a5335fb7c9384fec6ccb36108e71929f6"
+    },
+    "animationFixture": {
+      "path": "tests/files/web/m12_glb_desktop_v1/animation.glb",
+      "sha256": "44f6cc47961a146dc97ea337ae31a8b64bb4ab213b716f81ec22129db704f1fb"
+    }
+  },
+  "nextTask": "M12-06B"
+}

tests/golden/M12-06B/manifest.json

@@ -0,0 +1,63 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-06B",
+  "parentTask": "M12-06A",
+  "enablingTask": true,
+  "parityStateChange": false,
+  "runtime": "WEB_TYPESCRIPT_CHROMIUM_WORKER",
+  "operation": "WEB_GLB_IMPORT_SEMANTIC_COMPARISON",
+  "fixtureIds": [
+    "mesh",
+    "pbr",
+    "uv",
+    "skin",
+    "animation"
+  ],
+  "comparedDomains": [
+    "topology",
+    "attributes",
+    "materials",
+    "nodes",
+    "animations"
+  ],
+  "routeState": "BLOCKED_UNTIL_MAIN_PERSISTENCE",
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-06A/manifest.json",
+      "sha256": "e3554a1e739cbe3f217f6169130532365538b0c0eafbb97afc58d4d56c4287cb"
+    },
+    "protocol": {
+      "path": "web/protocol/glb-import.ts",
+      "sha256": "45d9a7912c4a59a552789a8ea0dfaff5f1849f8d213f14d238de024b77acdb0d"
+    },
+    "generator": {
+      "path": "tools/web/generate-glb-desktop-import-report.mjs",
+      "sha256": "6f97527b7da04c7b4f9b09c48b9f367d1270db9f7820498d33832a80754436c2"
+    },
+    "checker": {
+      "path": "tools/web/check-glb-desktop-import.mjs",
+      "sha256": "804a4b5545d95d7ab1ba265469a981d0a10b71dab36f0c96283eb73b401443d2"
+    },
+    "unit": {
+      "path": "web/tests/unit/glb-desktop-import.test.mjs",
+      "sha256": "6bf2a96b3e43e5fae93589ea5dcf98e7a69b10266378e442988198925286a8d8"
+    },
+    "worker": {
+      "path": "web/app/src/workers/glb-desktop-import-test.worker.ts",
+      "sha256": "eb32049631113270fb62acb7ae9379e8ff9a03e38086db2fa309c6891cd707bf"
+    },
+    "chromium": {
+      "path": "web/tests/e2e/glb-desktop-import.spec.ts",
+      "sha256": "fa3e06419c918406f24b5a4260523bd94cfe729a84786e9434517fdfed624d45"
+    },
+    "webImportReport": {
+      "path": "tests/golden/M12-06B/web-import-report.json",
+      "sha256": "79933888cc5aa2d1e3639ec349ca4c31d028fe89f751ebb8d4342f06d15ecfc2"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-06C"
+}

tests/golden/M12-06B/web-import-report.json

@@ -0,0 +1,220 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-06B",
+  "operation": "WEB_GLB_IMPORT_SEMANTIC_COMPARISON",
+  "parentManifestSha256": "e3554a1e739cbe3f217f6169130532365538b0c0eafbb97afc58d4d56c4287cb",
+  "fixtureReportSha256": "dea31cc861622166dc502b333bc177b70b66b54d9c62aaccc6522745dab5ae13",
+  "fixtureCount": 5,
+  "comparedDomains": [
+    "topology",
+    "attributes",
+    "materials",
+    "nodes",
+    "animations"
+  ],
+  "allCompatible": true,
+  "comparisons": [
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+      "file": "mesh.glb",
+      "sourceSha256": "e52b9268b6524744fb498691f976000635e544ba3b47e9f8ff22b03bcdf17a94",
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+      "mismatchCount": 0,
+      "topology": {
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+      "attributes": [
+        "COLOR_0",
+        "NORMAL",
+        "POSITION"
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+      "materials": {
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+        "texturedCount": 0
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+      "nodes": {
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+        "hierarchyEdges": 0,
+        "skinnedCount": 0
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+      "animations": {
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+        "channelPaths": [],
+        "sampleCounts": []
+      }
+    },
+    {
+      "id": "pbr",
+      "file": "pbr.glb",
+      "sourceSha256": "244cc8a992c5a70692b8bbc8333533718b3bac7022110715ce3b23d2e4c0b361",
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+      "desktopSemanticSha256": "6a44faf6de63ed31261f30a494921c18427779f04c01e3923b2cb92b43e29ad2",
+      "webSemanticSha256": "6a44faf6de63ed31261f30a494921c18427779f04c01e3923b2cb92b43e29ad2",
+      "compatible": true,
+      "mismatchCount": 0,
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+        "WEIGHTS_0"
+      ],
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+    },
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+  "routeState": "BLOCKED_UNTIL_MAIN_PERSISTENCE",
+  "nextTask": "M12-06C"
+}

tests/golden/M12-06C/desktop-main-report.json

@@ -0,0 +1,451 @@
+{
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+            "name": "M12 Mesh Fixture Mesh",
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+            "uvLayers": [],
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+            "name": "M12 UV Fixture Mesh",
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+              0.0,
+              0.0
+            ],
+            "name": "Icosphere",
+            "parent": null,
+            "type": "MESH"
+          },
+          {
+            "children": [
+              "M12 Skin Fixture"
+            ],
+            "data": "M12 Skin Armature",
+            "location": [
+              0.0,
+              0.0,
+              0.0
+            ],
+            "name": "M12 Skin Armature",
+            "parent": null,
+            "type": "ARMATURE"
+          },
+          {
+            "children": [],
+            "data": "M12 Skin Fixture Mesh",
+            "location": [
+              0.0,
+              0.0,
+              0.0
+            ],
+            "name": "M12 Skin Fixture",
+            "parent": "M12 Skin Armature",
+            "type": "MESH"
+          }
+        ],
+        "stableIds": {
+          "actions": [],
+          "armatures": [
+            "armature:M12 Skin Armature"
+          ],
+          "images": [],
+          "materials": [
+            "material:M12 Skin Material"
+          ],
+          "meshes": [
+            "mesh:Icosphere",
+            "mesh:M12 Skin Fixture Mesh"
+          ],
+          "objects": [
+            "object:Icosphere",
+            "object:M12 Skin Armature",
+            "object:M12 Skin Fixture"
+          ]
+        }
+      },
+      "id": "skin"
+    },
+    {
+      "blend": {
+        "byteLength": 91107,
+        "file": "animation.blend",
+        "sha256": "fa6baf3a67ff11fe3d2922210089a7c508e4ee28bfaabe4cf628ba6addee1ff5"
+      },
+      "glb": {
+        "file": "animation.glb",
+        "sha256": "44f6cc47961a146dc97ea337ae31a8b64bb4ab213b716f81ec22129db704f1fb"
+      },
+      "graph": {
+        "actions": [
+          {
+            "fcurves": [
+              [
+                "location",
+                0
+              ],
+              [
+                "location",
+                1
+              ],
+              [
+                "location",
+                2
+              ],
+              [
+                "rotation_quaternion",
+                0
+              ],
+              [
+                "rotation_quaternion",
+                1
+              ],
+              [
+                "rotation_quaternion",
+                2
+              ],
+              [
+                "rotation_quaternion",
+                3
+              ]
+            ],
+            "frameRange": [
+              1.0,
+              25.0
+            ],
+            "name": "M12 Animation Action"
+          }
+        ],
+        "armatures": [],
+        "images": [],
+        "materials": [
+          {
+            "name": "M12 Animation Material",
+            "nodeNames": [
+              "Material Output",
+              "Principled BSDF"
+            ]
+          }
+        ],
+        "meshes": [
+          {
+            "materials": [
+              "M12 Animation Material"
+            ],
+            "name": "M12 Animation Fixture Mesh",
+            "polygonCount": 1,
+            "triangleCount": 1,
+            "uvLayers": [],
+            "vertexCount": 3
+          }
+        ],
+        "objects": [
+          {
+            "children": [],
+            "data": "M12 Animation Fixture Mesh",
+            "location": [
+              -1.0,
+              -0.0,
+              0.0
+            ],
+            "name": "M12 Animation Fixture",
+            "parent": null,
+            "type": "MESH"
+          }
+        ],
+        "stableIds": {
+          "actions": [
+            "action:M12 Animation Action:object:M12 Animation Fixture"
+          ],
+          "armatures": [],
+          "images": [],
+          "materials": [
+            "material:M12 Animation Material"
+          ],
+          "meshes": [
+            "mesh:M12 Animation Fixture Mesh"
+          ],
+          "objects": [
+            "object:M12 Animation Fixture"
+          ]
+        }
+      },
+      "id": "animation"
+    }
+  ],
+  "nextTask": "M12-06D",
+  "operation": "DESKTOP_GLB_IMPORT_MAIN_PERSISTENCE_BASELINE",
+  "schemaVersion": 1,
+  "task": "M12-06C"
+}

tests/golden/M12-06C/manifest.json

@@ -0,0 +1,64 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-06C",
+  "parentTask": "M12-06B",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "BLENDER_5_2_DESKTOP_WASM_CHROMIUM",
+  "operation": "GLB_IMPORT_MAIN_SAVE_REOPEN",
+  "assertions": {
+    "fixtureCount": 5,
+    "desktopImportSaveReopen": true,
+    "webMainAuthority": true,
+    "oneVisibilityTransaction": true,
+    "stableIdsPreserved": true,
+    "resourceCountersZeroAfterOpen": true
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-06B/manifest.json",
+      "sha256": "5275310394b34726a05b30ab67658e1381662dddf9163a97cb02f47f646a8fa4"
+    },
+    "generator": {
+      "path": "tools/web/generate-glb-main-persistence-fixtures.py",
+      "sha256": "8989d6ce4196f140a7bfb44b863dc530a6aa462ca4a57fa7b77c468e06ab61ad"
+    },
+    "checker": {
+      "path": "tools/web/check-glb-main-persistence.mjs",
+      "sha256": "5bbbbeaf2d20ff9bbdeb74c8dd10fa6ffc421d1d59f86540e95f29c2cfd10903"
+    },
+    "desktopReport": {
+      "path": "tests/golden/M12-06C/desktop-main-report.json",
+      "sha256": "76b000454a9073ef762d25fa546d5c65a004659a93eb6ec82fad1e679b2e81be"
+    },
+    "chromium": {
+      "path": "web/tests/e2e/glb-main-persistence.spec.ts",
+      "sha256": "7c97877f1cbbfd0166e106c80faee53f474f78816cca68ea924df5aa3c47776d"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    },
+    "meshBlend": {
+      "path": "tests/files/web/m12_glb_main_v1/mesh.blend",
+      "sha256": "66e29adc016f07e220019b6f24eb7e5016c684dca4b3102b20c8e836968d422d"
+    },
+    "pbrBlend": {
+      "path": "tests/files/web/m12_glb_main_v1/pbr.blend",
+      "sha256": "ba08aeb2876d82ddf731abe81d3a42041a1be36617d0b6324c870d5bcd4cc771"
+    },
+    "uvBlend": {
+      "path": "tests/files/web/m12_glb_main_v1/uv.blend",
+      "sha256": "1270cb452d34d2fd7a19181a2b20f70b7a028bdd2db7cf1bba4e1003f7de0f48"
+    },
+    "skinBlend": {
+      "path": "tests/files/web/m12_glb_main_v1/skin.blend",
+      "sha256": "23f175e44ec588c75db99d3f9134863fc3d7d1f192bbd815d5d1c4e3218bce0c"
+    },
+    "animationBlend": {
+      "path": "tests/files/web/m12_glb_main_v1/animation.blend",
+      "sha256": "fa6baf3a67ff11fe3d2922210089a7c508e4ee28bfaabe4cf628ba6addee1ff5"
+    }
+  },
+  "nextTask": "M12-06D"
+}

tests/golden/M12-06D/manifest.json

@@ -0,0 +1,55 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-06D",
+  "parentTask": "M12-06C",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "BLENDER_5_2_WASM_CHROMIUM",
+  "operation": "GLB_EXPORT_LOSS_REPORT",
+  "assertions": {
+    "fixtureCount": 5,
+    "machineReport": true,
+    "unsupportedShaderFailsClosed": true,
+    "exportableFixtureOutputsHashed": true,
+    "warningOrderDeterministic": true
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-06C/manifest.json",
+      "sha256": "e3a57636a47591e3b02dff5a07e8a0aec5e0dc43bf6b4829bffc811035dbbb31"
+    },
+    "exportProtocol": {
+      "path": "web/protocol/glb-export.ts",
+      "sha256": "a5d342827860a9e55b49a3bb3a196a01b1e53546325d6e594778afb9360c3125"
+    },
+    "lossReportProtocol": {
+      "path": "web/protocol/glb-loss-report.ts",
+      "sha256": "dce9c790b2f52d46efe0908ecb044d63d21b3c6c3f7d77ddb5e697b29a7a2d6e"
+    },
+    "worker": {
+      "path": "web/app/src/workers/glb-loss-report-test.worker.ts",
+      "sha256": "6f6294d26fe7b717416a5dd25fe834fb4b9a2ecbe8b011395c9559a26701ec77"
+    },
+    "chromium": {
+      "path": "web/tests/e2e/glb-export-loss-report.spec.ts",
+      "sha256": "ce334b6bb5d82c133d317e916c03711029fba1c19c634dec06c06da9eddbd776"
+    },
+    "checker": {
+      "path": "tools/web/check-glb-loss-report.mjs",
+      "sha256": "a23346860fa26405b2cd24591b0ab36fea29cb561ec8c2991ecfeabcffc17ee1"
+    },
+    "unit": {
+      "path": "web/tests/unit/glb-loss-report.test.mjs",
+      "sha256": "dfcc2d968e4e0c0cef4496bc304cb481f10d1f0dc4c76a40ea1d6e2f11b6b708"
+    },
+    "webLossReport": {
+      "path": "tests/golden/M12-06D/web-loss-report.json",
+      "sha256": "c6db52234d867985ef5fbcdc7c62298ec9aaa013028b5a54e2b9a16aa4133397"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-06E"
+}

tests/golden/M12-06D/web-loss-report.json

@@ -0,0 +1,163 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-06D",
+  "operation": "WEB_GLB_EXPORT_LOSS_REPORT",
+  "fixtureCount": 5,
+  "fixtures": [
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+      "sourceBlendSha256": "66e29adc016f07e220019b6f24eb7e5016c684dca4b3102b20c8e836968d422d",
+      "lossReport": {
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+        "operation": "GLB_EXPORT_LOSS_REPORT",
+        "sceneId": "scene:Scene",
+        "sourceRevision": 1,
+        "canExport": false,
+        "errorCount": 1,
+        "warningCount": 1,
+        "losses": [
+          {
+            "code": "LINKED_MATERIAL_INPUT_UNEVALUATED",
+            "severity": "warning",
+            "message": "Material M12 Mesh Material contains unevaluated linked inputs",
+            "id": "material:M12 Mesh Material"
+          },
+          {
+            "code": "SHADER_GRAPH_UNMAPPABLE",
+            "severity": "error",
+            "message": "Material M12 Mesh Material: Shader node UNSUPPORTED cannot be represented by glTF PBR",
+            "id": "material:M12 Mesh Material"
+          }
+        ],
+        "surface": {
+          "nodeCount": 1,
+          "meshCount": 1,
+          "materialCount": 1,
+          "imageCount": 0,
+          "animationCount": 0,
+          "nonMeshCount": 0
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+      },
+      "output": null
+    },
+    {
+      "fixtureId": "pbr",
+      "sourceBlendSha256": "ba08aeb2876d82ddf731abe81d3a42041a1be36617d0b6324c870d5bcd4cc771",
+      "lossReport": {
+        "schemaVersion": 1,
+        "operation": "GLB_EXPORT_LOSS_REPORT",
+        "sceneId": "scene:Scene",
+        "sourceRevision": 1,
+        "canExport": true,
+        "errorCount": 0,
+        "warningCount": 0,
+        "losses": [],
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+          "meshCount": 1,
+          "materialCount": 1,
+          "imageCount": 0,
+          "animationCount": 0,
+          "nonMeshCount": 0
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+      },
+      "output": {
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+        "sha256": "1ab7936fae6e0c28e1b90e8a6ae24b3893c075c9fc58ac8896f780fdefb8277e"
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+    {
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+          {
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+            "severity": "warning",
+            "message": "Material M12 UV Material contains unevaluated linked inputs",
+            "id": "material:M12 UV Material"
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+        ],
+        "surface": {
+          "nodeCount": 1,
+          "meshCount": 1,
+          "materialCount": 1,
+          "imageCount": 1,
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+    {
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+        "sourceRevision": 1,
+        "canExport": true,
+        "errorCount": 0,
+        "warningCount": 1,
+        "losses": [
+          {
+            "code": "MODIFIER_STACK_NOT_BAKED",
+            "severity": "warning",
+            "message": "Mesh M12 Skin Fixture Mesh has enabled modifiers that are not baked for export",
+            "id": "mesh:M12 Skin Fixture Mesh"
+          }
+        ],
+        "surface": {
+          "nodeCount": 3,
+          "meshCount": 2,
+          "materialCount": 1,
+          "imageCount": 0,
+          "animationCount": 0,
+          "nonMeshCount": 0
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+      "output": {
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+        "sha256": "4a45d00dfa23638682bb61a4f74b283bcd986126da4890d068902e3c85efc332"
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+    {
+      "fixtureId": "animation",
+      "sourceBlendSha256": "fa6baf3a67ff11fe3d2922210089a7c508e4ee28bfaabe4cf628ba6addee1ff5",
+      "lossReport": {
+        "schemaVersion": 1,
+        "operation": "GLB_EXPORT_LOSS_REPORT",
+        "sceneId": "scene:Scene",
+        "sourceRevision": 1,
+        "canExport": true,
+        "errorCount": 0,
+        "warningCount": 0,
+        "losses": [],
+        "surface": {
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+          "meshCount": 1,
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+          "imageCount": 0,
+          "animationCount": 1,
+          "nonMeshCount": 0
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+      },
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+        "sha256": "b83de103df3f5a49487868f3ede3046875c90b0d084bbd998511c3a7c987a4fa"
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+  ],
+  "nextTask": "M12-06E"
+}

tests/golden/M12-06E/desktop-reimport-report.json

@@ -0,0 +1,393 @@
+{
+  "blenderVersion": "5.2.0 LTS",
+  "fixtureCount": 4,
+  "fixtures": [
+    {
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+        "file": "pbr.glb",
+        "sha256": "1ab7936fae6e0c28e1b90e8a6ae24b3893c075c9fc58ac8896f780fdefb8277e"
+      },
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+              "Principled BSDF"
+            ]
+          }
+        ],
+        "meshes": [
+          {
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+              "M12 PBR Material"
+            ],
+            "name": "M12 PBR Fixture Mesh",
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+            "triangleCount": 2,
+            "uvLayers": [],
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+          }
+        ],
+        "objects": [
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+            "data": "M12 PBR Fixture Mesh",
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+            "name": "M12 PBR Fixture",
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+            "type": "MESH"
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+        ],
+        "stableIds": {
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+          "armatures": [],
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+          ],
+          "objects": [
+            "object:M12 PBR Fixture"
+          ]
+        }
+      },
+      "id": "pbr"
+    },
+    {
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+        "file": "uv.glb",
+        "sha256": "8bd045388527ddad7cf886c0c7a2a45b6e7d6db603568a10a959bc6d423ae145"
+      },
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+          {
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+            "size": [
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+              2
+            ]
+          }
+        ],
+        "materials": [
+          {
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+            "nodeNames": [
+              "Image Texture",
+              "Material Output",
+              "Mix",
+              "Principled BSDF"
+            ]
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+        ],
+        "meshes": [
+          {
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+              "M12 UV Material"
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+            "name": "M12 UV Fixture Mesh",
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+            "triangleCount": 2,
+            "uvLayers": [
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+          }
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+              {
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+                "parent": "Root"
+              }
+            ],
+            "name": "M12 Skin Armature"
+          }
+        ],
+        "images": [],
+        "materials": [
+          {
+            "name": "M12 Skin Material",
+            "nodeNames": [
+              "Material Output",
+              "Principled BSDF"
+            ]
+          }
+        ],
+        "meshes": [
+          {
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+            "triangleCount": 80,
+            "uvLayers": [
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+          },
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+            "triangleCount": 80,
+            "uvLayers": [
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+          },
+          {
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+              "M12 Skin Material"
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+            "name": "Icosphere",
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+            "type": "MESH"
+          },
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+            "data": "Icosphere.001",
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+            ],
+            "name": "Icosphere.001",
+            "parent": null,
+            "type": "MESH"
+          },
+          {
+            "children": [
+              "M12 Skin Fixture"
+            ],
+            "data": "M12 Skin Armature",
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+              0.0,
+              0.0,
+              0.0
+            ],
+            "name": "M12 Skin Armature",
+            "parent": null,
+            "type": "ARMATURE"
+          },
+          {
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+            "data": "M12 Skin Fixture Mesh",
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+            "name": "M12 Skin Fixture",
+            "parent": "M12 Skin Armature",
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+          }
+        ],
+        "stableIds": {
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+          "armatures": [
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+          ],
+          "images": [],
+          "materials": [
+            "material:M12 Skin Material"
+          ],
+          "meshes": [
+            "mesh:Icosphere",
+            "mesh:Icosphere.001",
+            "mesh:M12 Skin Fixture Mesh"
+          ],
+          "objects": [
+            "object:Icosphere",
+            "object:Icosphere.001",
+            "object:M12 Skin Armature",
+            "object:M12 Skin Fixture"
+          ]
+        }
+      },
+      "id": "skin"
+    },
+    {
+      "glb": {
+        "byteLength": 3708,
+        "file": "animation.glb",
+        "sha256": "b83de103df3f5a49487868f3ede3046875c90b0d084bbd998511c3a7c987a4fa"
+      },
+      "graph": {
+        "actions": [
+          {
+            "fcurves": [
+              [
+                "location",
+                0
+              ],
+              [
+                "location",
+                1
+              ],
+              [
+                "location",
+                2
+              ],
+              [
+                "rotation_quaternion",
+                0
+              ],
+              [
+                "rotation_quaternion",
+                1
+              ],
+              [
+                "rotation_quaternion",
+                2
+              ],
+              [
+                "rotation_quaternion",
+                3
+              ]
+            ],
+            "frameRange": [
+              1.0,
+              25.0
+            ],
+            "name": "M12 Animation Action"
+          }
+        ],
+        "armatures": [],
+        "images": [],
+        "materials": [
+          {
+            "name": "M12 Animation Material",
+            "nodeNames": [
+              "Material Output",
+              "Principled BSDF"
+            ]
+          }
+        ],
+        "meshes": [
+          {
+            "materials": [
+              "M12 Animation Material"
+            ],
+            "name": "M12 Animation Fixture Mesh",
+            "polygonCount": 1,
+            "triangleCount": 1,
+            "uvLayers": [],
+            "vertexCount": 3
+          }
+        ],
+        "objects": [
+          {
+            "children": [],
+            "data": "M12 Animation Fixture Mesh",
+            "location": [
+              -1.0,
+              -0.0,
+              0.0
+            ],
+            "name": "M12 Animation Fixture",
+            "parent": null,
+            "type": "MESH"
+          }
+        ],
+        "stableIds": {
+          "actions": [
+            "action:M12 Animation Action:object:M12 Animation Fixture"
+          ],
+          "armatures": [],
+          "images": [],
+          "materials": [
+            "material:M12 Animation Material"
+          ],
+          "meshes": [
+            "mesh:M12 Animation Fixture Mesh"
+          ],
+          "objects": [
+            "object:M12 Animation Fixture"
+          ]
+        }
+      },
+      "id": "animation"
+    }
+  ],
+  "nextTask": "M12-06F",
+  "operation": "DESKTOP_REIMPORT_WEB_GLB_CANONICAL_REPORT",
+  "schemaVersion": 1,
+  "task": "M12-06E"
+}

tests/golden/M12-06E/manifest.json

@@ -0,0 +1,60 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-06E",
+  "parentTask": "M12-06D",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "BLENDER_5_2_DESKTOP",
+  "operation": "DESKTOP_REIMPORT_WEB_GLB_CANONICAL_REPORT",
+  "assertions": {
+    "fixtureCount": 4,
+    "desktopReimportSaveReopen": true,
+    "exactFixtures": ["pbr", "animation"],
+    "knownMismatchedFixtures": ["uv", "skin"],
+    "mismatchesReported": true,
+    "deterministicReport": true
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-06D/manifest.json",
+      "sha256": "c01c5861d493e1f177e8cde3038bc5283a7671fa39bf84484662d307623325a2"
+    },
+    "generator": {
+      "path": "tools/web/generate-glb-web-reimport-report.py",
+      "sha256": "3ae1ba45e15cae5d0308fc3fcb3766764cd374c096e27eaaddba9228a3d75004"
+    },
+    "checker": {
+      "path": "tools/web/check-glb-web-reimport.mjs",
+      "sha256": "c21b45a975ec70586da1b9e50b8cf4ccf74644300b4f381c3fee0ad735cfcdb9"
+    },
+    "desktopReport": {
+      "path": "tests/golden/M12-06E/desktop-reimport-report.json",
+      "sha256": "e4d03d25cfac3c4beff4d0af0769b1c39b058670c679c12f4a11ae30d2d91f3c"
+    },
+    "webExportTest": {
+      "path": "web/tests/e2e/glb-export-loss-report.spec.ts",
+      "sha256": "ce334b6bb5d82c133d317e916c03711029fba1c19c634dec06c06da9eddbd776"
+    },
+    "pbrGLB": {
+      "path": "tests/files/web/m12_glb_web_v1/pbr.glb",
+      "sha256": "1ab7936fae6e0c28e1b90e8a6ae24b3893c075c9fc58ac8896f780fdefb8277e"
+    },
+    "uvGLB": {
+      "path": "tests/files/web/m12_glb_web_v1/uv.glb",
+      "sha256": "8bd045388527ddad7cf886c0c7a2a45b6e7d6db603568a10a959bc6d423ae145"
+    },
+    "skinGLB": {
+      "path": "tests/files/web/m12_glb_web_v1/skin.glb",
+      "sha256": "4a45d00dfa23638682bb61a4f74b283bcd986126da4890d068902e3c85efc332"
+    },
+    "animationGLB": {
+      "path": "tests/files/web/m12_glb_web_v1/animation.glb",
+      "sha256": "b83de103df3f5a49487868f3ede3046875c90b0d084bbd998511c3a7c987a4fa"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-06F"
+}

tests/golden/M12-06F/manifest.json

@@ -0,0 +1,51 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-06F",
+  "parentTask": "M12-06E",
+  "enablingTask": false,
+  "parityStateChange": false,
+  "runtime": "WEB_TYPESCRIPT_CHROMIUM_WORKER",
+  "operation": "GLB_IMPORT_NEGATIVE_CASES",
+  "assertions": {
+    "sparseAccessor": "GLB_SPARSE_ACCESSOR_UNSUPPORTED",
+    "extensions": "GLB_EXTENSION_UNSUPPORTED",
+    "externalUri": "GLB_EXTERNAL_URI_BLOCKED",
+    "overBudget": "GLB_IMPORT_BUDGET_EXCEEDED",
+    "browserWorker": true
+  },
+  "artifacts": {
+    "parentManifest": {
+      "path": "tests/golden/M12-06E/manifest.json",
+      "sha256": "3d3b13fd54a314fd6f6907fc2d314e66ef74e8ca770a8accd823370d272737fc"
+    },
+    "protocol": {
+      "path": "web/protocol/glb-import.ts",
+      "sha256": "0b6329c08e6f3cd9af6f27ef7c463b037a7cab94192afb4538d3d6c4cfcbc147"
+    },
+    "unit": {
+      "path": "web/tests/unit/glb-negative-cases.test.mjs",
+      "sha256": "9af1c155143a0c685a62f569f705afd9fcc3bb49e0d724ebf3ad2c6356d63d6d"
+    },
+    "worker": {
+      "path": "web/app/src/workers/glb-negative-cases-test.worker.ts",
+      "sha256": "d84a6b884ce1bfedd598b2602d803493bf10f6ad62fdfac49d64fca3f30f3931"
+    },
+    "chromium": {
+      "path": "web/tests/e2e/glb-negative-cases.spec.ts",
+      "sha256": "c6694689ce04ff2faea2c20be648f438a9f7eb25cdfd2f714b94c1f556ea1510"
+    },
+    "checker": {
+      "path": "tools/web/check-glb-negative-cases.mjs",
+      "sha256": "08377c306fd7d1082f7fd734e37809960c9798d29d626681fe9ad3f94cb7a29e"
+    },
+    "report": {
+      "path": "tests/golden/M12-06F/negative-report.json",
+      "sha256": "7367a624b562a9613b4b908c894ab04c731ae0a348a3b58689075f4a9decd90c"
+    },
+    "package": {
+      "path": "web/package.json",
+      "sha256": "cfb232baa494ff59f6c8d65514a08c86332ee9354350b2a0392b6f932a7ee42c"
+    }
+  },
+  "nextTask": "M12-06G"
+}

tests/golden/M12-06F/negative-report.json

@@ -0,0 +1,18 @@
+{
+  "schemaVersion": 1,
+  "task": "M12-06F",
+  "operation": "GLB_IMPORT_NEGATIVE_CASES",
+  "budget": {
+    "maxBytes": 524288,
+    "maxJsonBytes": 262144,
+    "maxBufferViews": 4096,
+    "maxAccessors": 8192
+  },
+  "cases": [
+    { "id": "sparse", "code": "GLB_SPARSE_ACCESSOR_UNSUPPORTED" },
+    { "id": "extension", "code": "GLB_EXTENSION_UNSUPPORTED" },
+    { "id": "external-uri", "code": "GLB_EXTERNAL_URI_BLOCKED" },
+    { "id": "over-budget", "code": "GLB_IMPORT_BUDGET_EXCEEDED" }
+  ],
+  "nextTask": "M12-06G"
+}