fix(api): support presigned webhook attachments (#2264)

packages/schema/src/domains/webhook/WebhookRequestSchemas.ts

@@ -7,6 +7,7 @@ import {
 	MessageFlagsDescriptions,
 } from '@fluxer/constants/src/ChannelConstants';
 import {AVATAR_MAX_SIZE, MAX_MESSAGE_LENGTH_PREMIUM} from '@fluxer/constants/src/LimitConstants';
+import {ClientUploadedAttachmentRequest} from '@fluxer/schema/src/domains/message/AttachmentSchemas';
 import {
 	MessageContentRequest,
 	MessageNonceRequest,
@@ -69,6 +70,8 @@ const WebhookAttachmentRequest = z.object({
 	filename: createStringType(1, 1024).optional().describe('Name of the file (1-1024 characters)'),
 	description: createStringType(1, 4096).optional().describe('Description for the attachment (max 4096 characters)'),
 	content_type: createStringType(1, 256).optional().describe('MIME type of the file'),
+	upload_filename: z.never().optional(),
+	file_size: z.never().optional(),
 	size: NonNegativeSafeIntegerType.optional().describe('Size of the file in bytes'),
 	url: URLType.optional().describe('URL of the attachment'),
 	proxy_url: URLType.optional().describe('Proxied URL of the attachment'),
@@ -89,7 +92,10 @@ export const WebhookMessageRequest = z
 	.object({
 		content: MessageContentRequest.nullish(),
 		embeds: z.array(RichEmbedRequest).optional().describe('Array of embed objects to include in the message'),
-		attachments: z.array(WebhookAttachmentRequest).optional().describe('Array of attachment objects'),
+		attachments: z
+			.array(z.union([ClientUploadedAttachmentRequest, WebhookAttachmentRequest]))
+			.optional()
+			.describe('Array of attachment objects'),
 		message_reference: MessageReferenceRequest.nullish().describe(
 			'Reference to another message (for replies or forwards)',
 		),