chore: checkpoint web Blender feature-gap work, docs and tests

- update native web_engine sources and rebuilt wasm artifacts
- add task cards, status notes and tooling scripts
- add web e2e specs, tutorial UI sources and tutorial assets
- sync golden task manifests and audit records

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

web/protocol/native-workflow.ts

@@ -10,6 +10,7 @@ export interface NativeWorkflowContext {
   selectedObjects?: string[];
   mode?: EditorMode;
   meshSelection?: { domain: 'VERT' | 'EDGE' | 'FACE'; indices: number[] };
+  nonMeshSelection?: { controlPoints: number[] };
   nodeTreeType?: 'ShaderNodeTree' | 'GeometryNodeTree' | 'CompositorNodeTree';
   nodeTreeName?: string;
   areaType?: 'VIEW_3D' | 'IMAGE_EDITOR' | 'NODE_EDITOR' | 'GRAPH_EDITOR' | 'DOPESHEET_EDITOR' | 'SEQUENCE_EDITOR' | 'TEXT_EDITOR' | 'NLA_EDITOR' | 'CLIP_EDITOR' | 'CONSOLE' | 'INFO' | 'OUTLINER' | 'PROPERTIES' | 'FILE_BROWSER' | 'SPREADSHEET' | 'PREFERENCES';