fix(aihr): protect daily drill submissions

backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/controller/AihrMobileController.java

@@ -204,7 +204,7 @@ public class AihrMobileController {
     @PostMapping("/practice/assignments/{id}/answer")
     public R<DailyDrillAnswerResponse> answerDailyDrill(@PathVariable Long id, @RequestBody(required = false) DailyDrillAnswerRequest request) {
         DailyDrillAnswerResponse response = mobileSeedService.answerDailyDrill(id, request, ownMobileExtPartyId(null));
-        return response == null ? R.fail("每日三题不存在") : R.ok(response);
+        return response == null ? R.fail("每日三题不存在或已完成") : R.ok(response);
     }
 
     @PostMapping("/practice/satisfaction")

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 status = '待训练'
               AND (? = '' OR ext_party_id = ?)
             LIMIT 1
             """, tenantId(), id, party, party);
@@ -1935,7 +1936,7 @@ public class AihrPracticeSeedService {
                 correct = ?,
                 finished_time = ?,
                 update_time = ?
-            WHERE tenant_id = ? AND id = ? AND source = 'daily'
+            WHERE tenant_id = ? AND id = ? AND source = 'daily' AND status = '待训练'
             """,
             answer,
             audioUrl,

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

@@ -120,6 +120,19 @@ public class AihrPracticeSeedServiceTest {
         assertFalse(AihrPracticeSeedService.isWithinNewHireWindow(null, asOf));
     }
 
+    @Test
+    public void dailyDrillAnswerDoesNotOverwriteCompletedAttempt() throws Exception {
+        String source = Files.readString(Path.of("src/main/java/org/dromara/aihr/service/AihrPracticeSeedService.java"));
+        int methodStart = source.indexOf("public DailyDrillAnswerResponse answerDailyDrill");
+        int methodEnd = source.indexOf("public List<PromptTemplateResponse> promptTemplates", methodStart);
+        assertTrue(methodStart >= 0 && methodEnd > methodStart);
+
+        String method = source.substring(methodStart, methodEnd);
+        String statusGuard = "status = '待训练'";
+        assertTrue(method.contains("AND " + statusGuard));
+        assertTrue(method.indexOf("AND " + statusGuard) != method.lastIndexOf("AND " + statusGuard));
+    }
+
     @Test
     public void mobilePracticeSessionRejectsForeignAndUnknownOwner() {
         JdbcTemplate jdbcTemplate = mock(JdbcTemplate.class);