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/B1/B1-U09.json

@@ -702,11 +702,15 @@
           "没有，学生免费",
           "每月五英镑",
           "第一年免费"
-        ]
+        ],
+        "itemIds": []
       },
       "speaking": [
         {
-          "text": "I'd like to open a bank account."
+          "text": "I'd like to open a bank account.",
+          "itemIds": [
+            "B1-U09-P01"
+          ]
         },
         {
           "text": "What do I need to bring?"
@@ -760,11 +764,15 @@
           "商店里",
           "银行柜台",
           "邮局"
-        ]
+        ],
+        "itemIds": []
       },
       "speaking": [
         {
-          "text": "I'd like to send money to China."
+          "text": "I'd like to send money to China.",
+          "itemIds": [
+            "B1-U09-P04"
+          ]
         },
         {
           "text": "I'd like to top up my phone.",
@@ -815,11 +823,20 @@
           "十天左右",
           "三天左右",
           "一个月左右"
-        ]
+        ],
+        "itemIds": []
       },
       "speaking": [
         {
-          "text": "I'd like to send this parcel to China."
+          "text": "I'd like to send this parcel to China.",
+          "chunks": [
+            "I'd like to send",
+            "this parcel",
+            "to China."
+          ],
+          "itemIds": [
+            "B1-U09-P06"
+          ]
         },
         {
           "text": "When will it arrive?"
@@ -878,11 +895,15 @@
           "周四上午",
           "周四下午",
           "周五上午"
-        ]
+        ],
+        "itemIds": []
       },
       "speaking": [
         {
-          "text": "I'd like to book a repair."
+          "text": "I'd like to book a repair.",
+          "itemIds": [
+            "B1-U09-P10"
+          ]
         },
         {
           "text": "Is anyone free on Thursday?"