fix(log): F6 polish — log datasource create error log + schema patches for auth_type/token/headers + ES default index sync on datasource select

backend/pkg/database/database.go

@@ -192,4 +192,16 @@ func applySchemaPatches(db *gorm.DB) {
 	patchUserColumn("ApiAccessKeyDescription", "api_access_key_description")
 	patchUserColumn("ApiAccessKeyDurationMonths", "api_access_key_duration_months")
 	patchUserColumn("ApiAccessKeyLastUsedAt", "api_access_key_last_used_at")
+
+	// 补全日志数据源表可能缺失的列（旧表仅有基础字段）// Logan.Li
+	patchLogDSColumn := func(field string, col string) {
+		if !m.HasColumn(&model.LogDataSource{}, col) {
+			if err := m.AddColumn(&model.LogDataSource{}, field); err != nil {
+				log.Printf("[DB] 补列 monitor_log_datasources.%s 失败: %v", col, err)
+			}
+		}
+	}
+	patchLogDSColumn("AuthType", "auth_type")
+	patchLogDSColumn("Token", "token")
+	patchLogDSColumn("Headers", "headers")
 }