feat: 补齐消毒、种源与二维码身份链

server-go/internal/handler/trace.go

@@ -262,6 +262,35 @@ func autoTrace(db *gorm.DB) gin.HandlerFunc {
 			"pastCount":  pastCount,
 		}
 
+		// 生物安全证据：种源与消毒记录
+		bio := map[string]interface{}{
+			"seedSourceCount":    int64(0),
+			"disinfectionCount":  int64(0),
+			"evidenceSufficient": false,
+			"missing":            []string{"种源", "消毒"},
+		}
+		if t.RoomID != nil {
+			var seedCount, disinfectionCount int64
+			db.Table("seed_sources").
+				Joins("JOIN batches ON batches.id = seed_sources.batch_id AND batches.room_id = ?", *t.RoomID).
+				Count(&seedCount)
+			db.Table("disinfection_records").
+				Joins("JOIN batches ON batches.id = disinfection_records.batch_id AND batches.room_id = ?", *t.RoomID).
+				Count(&disinfectionCount)
+			missing := []string{}
+			if seedCount == 0 {
+				missing = append(missing, "种源")
+			}
+			if disinfectionCount == 0 {
+				missing = append(missing, "消毒")
+			}
+			bio["seedSourceCount"] = seedCount
+			bio["disinfectionCount"] = disinfectionCount
+			bio["evidenceSufficient"] = seedCount > 0 && disinfectionCount > 0
+			bio["missing"] = missing
+		}
+		report["biosecurity"] = bio
+
 		// 传播途径推断
 		mode, source := service.TransmissionInference(t.Disease)
 		report["transmission"] = map[string]interface{}{"mode": mode, "source": source}