feat: 补齐消毒、种源与二维码身份链

server-go/internal/database/db.go

@@ -41,6 +41,9 @@ func Init(cfg *config.Config) error {
 			&model.DetectionTask{},
 			&model.Sample{},
 			&model.DiseaseEvent{},
+			&model.SeedSource{},
+			&model.DisinfectionRecord{},
+			&model.IdentityLink{},
 			&model.Tray{}, &model.Batch{}, &model.RearingRecord{},
 			&model.WechatBinding{},
 			&model.WeatherAlert{},

server-go/internal/database/migrate.go

@@ -13,7 +13,7 @@ import (
 )
 
 // CurrentSchemaVersion 是当前后端代码期望的迁移版本。
-const CurrentSchemaVersion = "5"
+const CurrentSchemaVersion = "6"
 
 // RunMigrations 使用嵌入式 SQL 迁移文件将数据库升级到最新版本。
 func RunMigrations(db *gorm.DB) error {

server-go/internal/database/migrate_test.go

@@ -112,4 +112,8 @@ func TestEmbeddedMigrationsIncludeBaseline(t *testing.T) {
 	if err != nil || next != 5 {
 		t.Fatalf("expected detection/disease migration version 5, got %d (err %v)", next, err)
 	}
+	next, err = driver.Next(next)
+	if err != nil || next != 6 {
+		t.Fatalf("expected biosecurity migration version 6, got %d (err %v)", next, err)
+	}
 }