feat: enhance keys page with grouped key display and inline editing functionality

app.py

@@ -123,11 +123,29 @@ def _keys_context():
 
     key_query += f" ORDER BY {order_by} "
     keys = conn.execute(key_query, params).fetchall()
-    conn.close()
 
     key_maps = {k: sorted(v) for k, v in key_maps.items()}
+
+    # Build info view data: all keys (unfiltered), grouped by map then unassigned.
+    all_keys = conn.execute("""
+        SELECT k.id, k.name, k.grid_image_url, k.wiki_url,
+               r.priority, r.reason, COALESCE(r.used_in_quest, 0) AS used_in_quest
+        FROM keys k
+        LEFT JOIN key_ratings r ON k.id = r.key_id
+        ORDER BY k.name ASC
+    """).fetchall()
+    conn.close()
+
+    # keys_by_map: list of (map_row, [key_row, ...]) sorted by map name
+    keys_by_map = []
+    for m in sorted(maps, key=lambda r: r["name"]):
+        bucket = [k for k in all_keys if m["id"] in key_maps.get(k["id"], [])]
+        keys_by_map.append((m, bucket))
+    unassigned_keys = [k for k in all_keys if not key_maps.get(k["id"])]
+
     return dict(keys=keys, maps=maps, key_maps=key_maps,
-                map_filter=map_filter, sort=sort, show=show)
+                map_filter=map_filter, sort=sort, show=show,
+                keys_by_map=keys_by_map, unassigned_keys=unassigned_keys)
 
 
 @app.route("/keys")
@@ -183,6 +201,23 @@ def rate_key():
     return redirect(f"{base_url}#key-{key_id}")
 
 
+@app.route("/rate_json", methods=["POST"])
+def rate_json():
+    data = request.get_json(force=True)
+    key_id = data.get("key_id")
+    if not key_id:
+        return jsonify({"ok": False, "error": "missing key_id"}), 400
+    priority = data.get("priority")  # None or int
+    reason = data.get("reason", "")
+    used_in_quest = 1 if data.get("used_in_quest") else 0
+    map_ids = [int(m) for m in data.get("map_ids", [])]
+    conn = get_db()
+    _update_key(conn, key_id, priority, reason, used_in_quest, map_ids)
+    conn.commit()
+    conn.close()
+    return jsonify({"ok": True})
+
+
 def _update_key(conn, key_id, priority, reason, used_in_quest, map_ids):
     conn.execute("""
         INSERT INTO key_ratings (key_id, priority, reason, used_in_quest)