feat(ai): 添加 ai_analysis_queue 迁移 + Entity

异步分析队列表，支持优先级/重试/状态机（pending→running→completed/failed）
索引覆盖租户状态查询和调度扫描，迁移号 000118

crates/erp-server/migration/src/lib.rs

@@ -117,6 +117,7 @@ mod m20260505_000114_dialysis_record_add_workflow_instance;
 mod m20260505_000115_family_member_health_proxy;
 mod m20260505_000116_seed_missing_health_menus;
 mod m20260505_000117_create_ai_tenant_configs;
+mod m20260505_000118_create_ai_analysis_queue;
 
 pub struct Migrator;
 
@@ -241,6 +242,7 @@ impl MigratorTrait for Migrator {
             Box::new(m20260505_000115_family_member_health_proxy::Migration),
             Box::new(m20260505_000116_seed_missing_health_menus::Migration),
             Box::new(m20260505_000117_create_ai_tenant_configs::Migration),
+            Box::new(m20260505_000118_create_ai_analysis_queue::Migration),
         ]
     }
 }