Add deployment reading windows and progress-aware quiz unlock

config/reading-quiz.example.json

@@ -0,0 +1,14 @@
+{
+  "version": 1,
+  "manga": {
+    "Exact library manga folder name": [
+      {
+        "id": "unique-question-id",
+        "prompt": "Which character is revealed to be the captain in chapter 12?",
+        "answers": ["Full Character Name", "Commonly Used Name"],
+        "requires": ["1/12"],
+        "evidence": "Reviewed source URL or chapter citation; never sent to the browser"
+      }
+    ]
+  }
+}