feat(api): add captcha fields and admin authentication endpoints

- Add CaptchaId and CaptchaCode fields to login/register/reset requests
- Add /v1/auth/captcha/generate endpoint for user captcha generation
- Add /v1/auth/admin/login endpoint for admin authentication
- Add /v1/auth/admin/reset-password endpoint for admin password reset
- Add /v1/auth/admin/captcha/generate endpoint for admin captcha generation
- Update GlobalConfigResponse with new verify configuration fields
- Add GenerateCaptchaResponse type for captcha generation

apis/common.api

@@ -12,10 +12,12 @@ import "./types.api"
 
 type (
 	VeifyConfig {
-		TurnstileSiteKey          string `json:"turnstile_site_key"`
-		EnableLoginVerify         bool   `json:"enable_login_verify"`
-		EnableRegisterVerify      bool   `json:"enable_register_verify"`
-		EnableResetPasswordVerify bool   `json:"enable_reset_password_verify"`
+		CaptchaType                   string `json:"captcha_type"`
+		TurnstileSiteKey              string `json:"turnstile_site_key"`
+		EnableUserLoginCaptcha        bool   `json:"enable_user_login_captcha"`
+		EnableUserRegisterCaptcha     bool   `json:"enable_user_register_captcha"`
+		EnableAdminLoginCaptcha       bool   `json:"enable_admin_login_captcha"`
+		EnableUserResetPasswordCaptcha bool  `json:"enable_user_reset_password_captcha"`
 	}
 	GetGlobalConfigResponse {
 		Site         SiteConfig             `json:"site"`