reading: split the book tracker into books, papers and articles (kind column + migration classifying 20 papers), segmented tabs with counts, article cards that open the link, owner + add link with server-side unfurl, kind switch on detail pages, /trackers/reading alias

src/routes/sitemap.xml/+server.ts

@@ -4,7 +4,7 @@ import { blogArticles, bookWorks } from '#lib/server/db/schema/index.js';
 import { SITE_ORIGIN } from '#lib/seo.js';
 import { races } from '#lib/derby/races.js';
 import { COURSES } from '#lib/language-learner/courses/index.js';
-import { eq } from 'drizzle-orm';
+import { eq, ne } from 'drizzle-orm';
 import type { RequestHandler } from './$types';
 
 const staticPaths = [
@@ -60,7 +60,11 @@ export const GET: RequestHandler = async () => {
 			.from(blogArticles)
 			.where(eq(blogArticles.status, 'published')),
 		listSummaries(),
-		db.select({ id: bookWorks.id, updatedAt: bookWorks.updatedAt }).from(bookWorks)
+		db
+			.select({ id: bookWorks.id, updatedAt: bookWorks.updatedAt })
+			.from(bookWorks)
+			// Articles are links to other sites; their pages here are thin.
+			.where(ne(bookWorks.kind, 'article'))
 	]);
 	const entries: { path: string; lastmod?: string }[] = [
 		...staticPaths.map((path) => ({ path })),