fix(aihr): scope daily drills to today

backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/service/AihrPracticeSeedService.java

@@ -1913,6 +1913,7 @@ public class AihrPracticeSeedService {
             SELECT id, reason, source, status, scenario_id
             FROM aihr_practice_assignment
             WHERE tenant_id = ? AND id = ? AND source = 'daily'
+              AND DATE(create_time) = CURRENT_DATE()
               AND status = '待训练'
               AND (? = '' OR ext_party_id = ?)
             LIMIT 1
@@ -1936,7 +1937,9 @@ public class AihrPracticeSeedService {
                 correct = ?,
                 finished_time = ?,
                 update_time = ?
-            WHERE tenant_id = ? AND id = ? AND source = 'daily' AND status = '待训练'
+            WHERE tenant_id = ? AND id = ? AND source = 'daily'
+              AND DATE(create_time) = CURRENT_DATE()
+              AND status = '待训练'
             """,
             answer,
             audioUrl,

backend/ruoyi-modules/ruoyi-aihr/src/test/java/org/dromara/aihr/service/AihrPracticeSeedServiceTest.java

@@ -131,6 +131,7 @@ public class AihrPracticeSeedServiceTest {
         String statusGuard = "status = '待训练'";
         assertTrue(method.contains("AND " + statusGuard));
         assertTrue(method.indexOf("AND " + statusGuard) != method.lastIndexOf("AND " + statusGuard));
+        assertTrue(method.contains("DATE(create_time) = CURRENT_DATE()"));
         assertTrue(method.contains("if (updated == 0)"));
     }