feat: harden query read-only workflow

frontend/scripts/audit-page-size.mjs

@@ -0,0 +1,28 @@
+import fs from 'node:fs';
+import path from 'node:path';
+
+const root = process.cwd();
+const pagesDir = path.join(root, 'src/pages');
+const limit = Number(process.argv[2] || 700);
+
+const files = fs.readdirSync(pagesDir)
+  .filter((file) => file.endsWith('.tsx'))
+  .map((file) => {
+    const fullPath = path.join(pagesDir, file);
+    const lines = fs.readFileSync(fullPath, 'utf8').split('\n').length;
+    return { file, lines };
+  })
+  .sort((a, b) => b.lines - a.lines);
+
+const overLimit = files.filter((item) => item.lines > limit);
+
+console.log(`Page size budget: ${limit} lines\n`);
+for (const item of files) {
+  const mark = item.lines > limit ? '!' : ' ';
+  console.log(`${mark} ${String(item.lines).padStart(4, ' ')}  ${item.file}`);
+}
+
+if (overLimit.length > 0) {
+  console.log(`\n${overLimit.length} page(s) exceed the ${limit}-line budget.`);
+  process.exitCode = 1;
+}