task-199: 超保留期活跃 job 巡检 SQL（06_over_retention_active_job.sql，RUNNING 超24h 候选，清理走 stuck 扫描）+ 8 条测试

backend-java/src/main/resources/inspection/06_over_retention_active_job.sql

@@ -0,0 +1,18 @@
+-- =============================================================
+-- 巡检 06：超保留期仍活跃的 job（RUNNING 且 updated_at 超 24h）— 只读报表（task-199）
+-- 疑似滞留/心跳丢失的 job；实际清理走 stuck 扫描（module-09），本 SQL 仅给出候选。
+-- 保留期阈值按需调整 INTERVAL；仅副本库只读执行，无副作用。
+-- =============================================================
+SELECT j.id                 AS job_id,
+       j.task_id,
+       j.module_type,
+       j.status,
+       j.updated_at,
+       t.module_type        AS task_module_type,
+       TIMESTAMPDIFF(MINUTE, j.updated_at, NOW()) AS age_minutes
+FROM biz_task_file_job j
+JOIN biz_file_task t ON t.id = j.task_id
+WHERE j.status = 'RUNNING'
+  AND j.updated_at < DATE_SUB(NOW(), INTERVAL 24 HOUR)
+ORDER BY j.updated_at ASC
+LIMIT 200;

backend-java/src/test/java/com/nanri/aiimage/config/OverRetentionActiveJobSqlInspectionTest.java

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+package com.nanri.aiimage.config;
+
+/** task-199：超保留期仍活跃 job 巡检 SQL 契约。 */
+class OverRetentionActiveJobSqlInspectionTest extends InspectionSqlFileTestBase {
+    @Override
+    String fileName() {
+        return "06_over_retention_active_job.sql";
+    }
+}