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>

blender-5.2.0/source/blender/python/intern/bpy.hh

@@ -18,6 +18,10 @@ struct bContext;
 
 /** Creates the `bpy` module and adds it to `sys.modules` for importing. */
 void BPy_init_modules(bContext *C);
+#ifdef WITH_WEB
+int BPy_register_embedded_modules();
+void BPy_init_embedded_modules(bContext *C);
+#endif
 
 extern PyObject *bpy_package_py;