fix(mcp): adding passthrough types

Author: edelauna

packages/types/src/mcp.ts

@@ -102,31 +102,16 @@ export type McpResourceResponse = {
 export type McpToolCallResponse = {
 	_meta?: Record<string, any> // eslint-disable-line @typescript-eslint/no-explicit-any
 	content: Array<
-		| {
-				type: "text"
-				text: string
-		  }
-		| {
-				type: "image"
-				data: string
-				mimeType: string
-		  }
-		| {
-				type: "audio"
-				data: string
-				mimeType: string
-		  }
-		| {
-				type: "resource"
-				resource: {
-					uri: string
-					mimeType?: string
-					text?: string
-					blob?: string
-				}
-		  }
+		(
+			| { type: "text"; text: string }
+			| { type: "image"; data: string; mimeType: string }
+			| { type: "audio"; data: string; mimeType: string }
+			| { type: "resource"; resource: { uri: string; mimeType?: string; text?: string; blob?: string } }
+			| { type: string; [key: string]: unknown }
+		) & { [key: string]: unknown }
 	>
 	isError?: boolean
+	[key: string]: unknown
 }
 
 export type McpErrorEntry = {