feat: 完善听力口语辅助状态记录、练习分块与复习抽查间隔机制

kouyu_english/assets/courses/A2/A2-U01.json

@@ -627,12 +627,16 @@
           "在家",
           "在市场",
           "在奶奶家"
-        ]
+        ],
+        "itemIds": []
       },
       "speaking": [
         {
           "text": "How was your weekend?",
-          "tip": "weekend 重音在前：/ˈwiːkend/"
+          "tip": "weekend 重音在前：/ˈwiːkend/",
+          "itemIds": [
+            "A2-U01-P01"
+          ]
         },
         {
           "text": "What did you do last weekend?"
@@ -690,12 +694,16 @@
           "和朋友烧烤",
           "打扫房子",
           "看电影"
-        ]
+        ],
+        "itemIds": []
       },
       "speaking": [
         {
           "text": "I didn't do much.",
-          "tip": "didn't 末尾的 t 很轻"
+          "tip": "didn't 末尾的 t 很轻",
+          "itemIds": [
+            "A2-U01-P06"
+          ]
         },
         {
           "text": "I watched a film."
@@ -754,12 +762,18 @@
           "很棒",
           "很无聊",
           "很糟糕"
+        ],
+        "itemIds": [
+          "A2-U01-P10"
         ]
       },
       "speaking": [
         {
           "text": "Did you have a good time?",
-          "tip": "句尾语调上扬"
+          "tip": "句尾语调上扬",
+          "itemIds": [
+            "A2-U01-P03"
+          ]
         },
         {
           "text": "It was great!"