Add deployment reading windows and progress-aware quiz unlock

tools/validate-reading-quiz.js

@@ -0,0 +1,11 @@
+#!/usr/bin/env node
+'use strict';
+const path = require('path');
+const { loadQuestionBank } = require('../reading-access');
+const file = process.argv[2];
+if (!file) { console.error('Usage: node tools/validate-reading-quiz.js <catalog.json>'); process.exit(2); }
+try {
+  const bank = loadQuestionBank(path.resolve(file));
+  console.log(JSON.stringify({ works: Object.keys(bank).length,
+    questions: Object.values(bank).reduce((count, questions) => count + questions.length, 0) }));
+} catch (error) { console.error(error.message); process.exitCode = 1; }