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>

tools/web/inspect-workflow-controls.mjs

@@ -0,0 +1,41 @@
+import fs from 'node:fs';
+import path from 'node:path';
+import { fileURLToPath } from 'node:url';
+import ts from '../../web/node_modules/typescript/lib/typescript.js';
+
+const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '../..');
+const file = 'web/app/src/app/App.tsx';
+const labels = process.argv.slice(2);
+if (!labels.length || labels.length > 8 || labels.some(label => label.length > 100)) {
+  throw new Error('Provide one to eight exact workflow aria-labels');
+}
+const tree = ts.createSourceFile(file, fs.readFileSync(path.join(root, file), 'utf8'),
+  ts.ScriptTarget.Latest, true, ts.ScriptKind.TSX);
+const results = [];
+function inspect(node) {
+  if (ts.isJsxElement(node)) {
+    const attribute = node.openingElement.attributes.properties.find(item => ts.isJsxAttribute(item)
+      && item.name.text === 'aria-label' && item.initializer && ts.isStringLiteral(item.initializer)
+      && labels.includes(item.initializer.text));
+    if (attribute) {
+      const record = { workflow: attribute.initializer.text, file,
+        line: tree.getLineAndCharacterOfPosition(node.getStart(tree)).line + 1, controls: [], buttons: [] };
+      function visit(child) {
+        if (ts.isJsxAttribute(child) && ['aria-label', 'data-testid'].includes(child.name.text)
+            && child.initializer && ts.isStringLiteral(child.initializer)) {
+          record.controls.push({ attribute: child.name.text, value: child.initializer.text });
+        }
+        if (ts.isJsxElement(child) && ts.isIdentifier(child.openingElement.tagName)
+            && child.openingElement.tagName.text === 'button') {
+          record.buttons.push(child.children.filter(ts.isJsxText).map(text => text.text.trim()).filter(Boolean).join(' '));
+        }
+        ts.forEachChild(child, visit);
+      }
+      visit(node);
+      results.push(record);
+    }
+  }
+  ts.forEachChild(node, inspect);
+}
+inspect(tree);
+console.log(JSON.stringify({ results, missing: labels.filter(label => !results.some(result => result.workflow === label)) }));