feat(rss-feed): add configurable description max length (#7051)

Co-authored-by: ajnart <thomas@ajnart.dev>

packages/api/src/router/widgets/rssFeed.ts

@@ -28,6 +28,7 @@ const redactFeedFailureMessage = (message: string) => message.replace(/https?:\/
 const feedsInput = z.object({
   urls: z.array(z.string()).max(100),
   maximumAmountPosts: z.number(),
+  descriptionMaxLength: z.number().int().min(1).max(5000).default(250),
 });
 
 export const rssFeedRouter = createTRPCRouter({
@@ -43,6 +44,7 @@ export const rssFeedRouter = createTRPCRouter({
         const innerHandler = rssFeedsRequestHandler.handler({
           url,
           count: input.maximumAmountPosts,
+          descriptionMaxLength: input.descriptionMaxLength,
         });
         return await innerHandler.getDataAsync();
       }),