chore: checkpoint web Blender migration source, tools and docs

Accumulated uncommitted work: GHOST Web backend, WebGL/GPU web layer,
web workflow engine and protocol, tooling, docs and task records.
Large generated evidence, user-testing archives, build snapshots and
imported test assets remain untracked.

Co-Authored-By: Claude Code <noreply@anthropic.com>

filepath

@@ -0,0 +1,22 @@
+{
+  "schemaVersion": 1,
+  "task": "WBV2-P1424-001",
+  "scope": "batch",
+  "pattern": "library-",
+  "selectedUnits": [],
+  "sourcePathCount": 1,
+  "runtimePathCount": 0,
+  "hitCount": 9,
+  "truncated": false,
+  "hits": [
+    "21189:  STRNCPY(path, library->filepath);",
+    "21201:    if (library && library->packedfile) {",
+    "21202:      handle.reset(BLO_blendhandle_from_memory(library->packedfile->data,",
+    "21203:                                             library->packedfile->size, nullptr));",
+    "21645:          iter->override_library->reference == &object->id && GS(iter->name) == ID_OB) {",
+    "22065:    if (packed_library->packedfile) BKE_packedfile_free(packed_library->packedfile);",
+    "22066:    packed_library->packedfile = packed;",
+    "22073:      record[\"libraryId\"] = \"library:\" + id_name(packed_library->id);",
+    "22074:      record[\"libraryName\"] = id_name(packed_library->id);"
+  ]
+}