feat(student-plan): 添加完成学案功能

- 新增 FinishStudentPlanReqVO 类用于请求参数封装
- 学生端学习计划页面新增“完成”按钮及其交互状态
- 实现 finishLessonPlan API 调用，用于标记学案完成
- 后端新增 finishStudentPlan 接口，处理学案完成逻辑
- StudentLessonPlansDOMapper 增加 finfishStudentPlan 方法及对应 SQL 更新语句
- StudentLessonPlansService 添加 finishStudentLessonPlan 接口实现统计记忆单词数并更新学案状态
- VocabularyBankDOMapper 和 WordMasteryLogDOMapper 增加相关统计查询方法和 SQL
- 前端完善完成按钮状态和操作反馈，防止重复提交

enlish-service/src/main/resources/mapper/StudentLessonPlansDOMapper.xml

@@ -37,6 +37,7 @@
             ORDER BY slp_in.student_id
             LIMIT #{startIndex}, #{pageSize}
         ) AS temp ON slp.student_id = temp.student_id
+        where slp.is_finished = 0
         ORDER BY slp.id
     </select>
 
@@ -45,4 +46,12 @@
         FROM student_lesson_plans;
     </select>
 
+    <update id="finfishStudentPlan">
+        update student_lesson_plans
+        set is_finished = 1,
+            total_count = #{count},
+            mastery_rat = #{mastery}
+        where student_id = #{studentId}
+            and plan_id = #{planId}
+    </update>
 </mapper>

enlish-service/src/main/resources/mapper/VocabularyBankDOMapper.xml

@@ -117,5 +117,9 @@
         </if>
         limit #{wordCount}
     </select>
+    <select id="selectWordTotal" resultType="java.lang.Integer">
+        select count(*)
+        from vocabulary_bank
+    </select>
 
 </mapper>

enlish-service/src/main/resources/mapper/WordMasteryLogDOMapper.xml

@@ -22,6 +22,12 @@
         order by memory_strength desc
         limit #{limit}
     </select>
+    <select id="selectStudentStrengthCount" resultType="java.lang.Integer">
+        select count(*)
+        from word_mastery_log
+        where student_id = #{studentId}
+            and memory_strength > 0
+    </select>
 
     <insert id="batchInsertInitialization">
         insert into word_mastery_log (student_id, word_id, update_time)