refactor: resolve() internal links instead of plain hrefs

Type-checks every link against the real route tree. Caught a dead one: the
book page linked tags to /tag/{id}, a route that has never existed.

frontend/src/lib/components/forms/books-upload.svelte

@@ -1,4 +1,5 @@
 <script lang="ts">
+	import { resolve } from '$app/paths';
 	import * as Dialog from '$lib/components/ui/dialog/index.js';
 	import * as Field from '$lib/components/ui/field/index.js';
 	import { Button } from '$lib/components/ui/button';
@@ -36,8 +37,8 @@
 
 	const onUpload: FileDropZoneProps['onUpload'] = async (uploadedFiles) => {
 		// Rename files to use webkitRelativePath so directory structure is preserved through form submission
-		const renamedFiles = uploadedFiles.map(f =>
-			new File([f], f.webkitRelativePath || f.name, { type: f.type })
+		const renamedFiles = uploadedFiles.map(
+			(f) => new File([f], f.webkitRelativePath || f.name, { type: f.type })
 		);
 		uploadBooks.fields.files.set([...Array.from(files), ...renamedFiles]);
 		if (autoUploadOnDrop && files.length > 0) {
@@ -55,9 +56,12 @@
 		let libraryId = books.items[0].library_id;
 		libraryState.setActive(libraryId);
 		if (books.items.length === 1) {
-			goto(`/book/${books.items[0].id}`);
+			goto(resolve('/(root)/(library)/book/[bookId]', { bookId: String(books.items[0].id) }));
 		} else {
-			goto(`/library/${libraryId}/view?orderBy=created_at&sortOrder=desc`);
+			// The path is resolved; the query string is what the rule cannot see past.
+			const view = resolve('/(root)/(library)/library/[libraryId]/view', { libraryId: String(libraryId) });
+			// eslint-disable-next-line svelte/no-navigation-without-resolve
+			goto(`${view}?orderBy=created_at&sortOrder=desc`);
 		}
 	}
 </script>
@@ -88,8 +92,10 @@
 						}
 
 						// Update library book count
-						const count = uploadBooks.result.total
-						libraryState.libraries.find(lib => uploadBooks.fields.library_id.value() == lib.id.toString())!.total += count
+						const count = uploadBooks.result.total;
+						libraryState.libraries.find(
+							(lib) => uploadBooks.fields.library_id.value() == lib.id.toString()
+						)!.total += count;
 
 						// Reset the files field
 						uploadBooks.fields.files.set([]);