fix(web+health): 修复咨询轮询 temp ID 400 + 健康数据统计 500

- ConsultationDetail: 轮询取 lastId 时过滤 temp_ 前缀的乐观消息 ID，
  避免将非法 UUID 传给 after_id 参数导致后端 400
- stats_service: count_abnormal_lab_items 和 compute_daily_report_rate
  中 SQL 字面量 0 类型为 INT4，与 Rust i64 (INT8) 不匹配，
  改为 0::bigint 确保类型兼容

crates/erp-health/src/service/stats_service.rs

@@ -386,7 +386,7 @@ async fn count_abnormal_lab_items(
                 (SELECT jsonb_agg(elem) FROM jsonb_array_elements(items) elem WHERE elem->>'is_abnormal' = 'true'),
                 '[]'::jsonb
             )
-        )), 0) AS total
+        )), 0::bigint) AS total
         FROM lab_report
         WHERE tenant_id = $1 AND deleted_at IS NULL AND items IS NOT NULL
           AND created_at >= date_trunc('month', NOW())
@@ -446,7 +446,7 @@ async fn compute_daily_report_rate(
     let sql = r#"
         SELECT d::date::text AS date,
                COUNT(DISTINCT vs.patient_id) AS reported,
-               0 AS total
+               0::bigint AS total
         FROM generate_series(
             CURRENT_DATE - INTERVAL '6 days',
             CURRENT_DATE,