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/gpu/shader_tool/enum.cc

@@ -94,7 +94,8 @@ void SourceProcessor::lower_enums(Parser &parser)
       if (class_tok.is_valid()) {
         name = enum_name_str + "::" + name;
       }
-      string decl = "constant static constexpr " + type_str + " " + name + " " + value + ";\n";
+      string decl = "constant static constexpr " + type_str + " " + name + " = " + type_str +
+                    "(" + value.substr(1) + ");\n";
       parser.insert_line_number(enum_tok.prev(), name_tok.line_number());
       parser.insert_after(enum_tok.prev(), decl);
 

blender-5.2.0/source/blender/gpu/shader_tool/scope.hh

@@ -38,7 +38,7 @@ struct Scope {
   Scope(const ParserBase &parser, int64_t index) : parser_(&parser), index_(index)
   {
     if (index < 0 || index >= parser.scope_types.size()) {
-      index = parser.scope_types.size();
+      index_ = parser.scope_types.size();
       return;
     }
 #ifndef NDEBUG