fix: JSON_CONTAINS 参数类型修复 + API sync

- 修复 JSON_CONTAINS(node_group_ids, int64) 类型错误，改为传 JSON 字符串
- 添加 node_group_ids IS NOT NULL 兼容判断，防止 NULL 列报错
- 同步 apis/ 及 routes.go、compat_types.go 改动

Co-Authored-By: claude-flow <ruv@ruv.net>

apis/auth/auth.api

@@ -58,14 +58,14 @@ type (
 	}
 	// Email login request
 	EmailLoginRequest {
-		Identifier string `json:"identifier"`
-		Email      string `json:"email" validate:"required"`
-		Code       string `json:"code" validate:"required"`
-		Invite     string `json:"invite,optional"`
+		Identifier string `json:"identifier" form:"identifier"`
+		Email      string `json:"email" form:"email" validate:"required,email"`
+		Code       string `json:"code" form:"code" validate:"required"`
+		Invite     string `json:"invite,optional" form:"invite"`
 		IP         string `header:"X-Original-Forwarded-For"`
 		UserAgent  string `header:"User-Agent"`
 		LoginType  string `header:"Login-Type"`
-		CfToken    string `json:"cf_token,optional"`
+		CfToken    string `json:"cf_token,optional" form:"cf_token"`
 	}
 	LoginResponse {
 		Token string `json:"token"`