feat: review and dismiss duplicate books

Adds the per-library review screen, a muted note in the upload tray for a book
that may already be held, and the remote functions behind them. The tray note
is deliberately weaker than the file-level one, which means something stronger.

frontend/src/lib/schema/book.ts

@@ -15,6 +15,27 @@ export type BookProgress = components['schemas']['BookProgressRead'];
 export type DuplicateFile = components['schemas']['DuplicateFileRead'];
 export type BooksUploadResult = components['schemas']['BooksUploadResult'];
 
+/**
+ * A stored book that may be the same book as another one.
+ *
+ * Weaker than `DuplicateFile`, and deliberately so: that one means the library holds
+ * these exact bytes, this one means the metadata agrees. A second edition and a
+ * translation both look like this, so nothing is ever refused on the strength of it.
+ */
+export type DuplicateBook = components['schemas']['DuplicateBookRead'];
+
+/** A book that was imported, together with what it might be a second copy of. */
+export type PossibleDuplicate = components['schemas']['PossibleDuplicateRead'];
+
+/** Books the library holds that all look like copies of one book. */
+export type DuplicateBookGroup = components['schemas']['DuplicateBookGroupRead'];
+
+/** Mirrors DuplicateDismissal in backend/src/chitai/schemas/book.py */
+export const duplicateDismissalSchema = z.object({
+	book_a_id: z.coerce.number(),
+	book_b_id: z.coerce.number()
+});
+
 export const bookQuerySchema = commonQuerySchema.extend({
 	libraries: stringArrayCoerce,
 	authors: stringArrayCoerce,
@@ -106,4 +127,5 @@ export type BookQuery = z.infer<typeof bookQuerySchema>;
 export type BookEditMetadata = z.infer<typeof editBookMetadataSchema>;
 export type DeleteBook = z.infer<typeof deleteBooksSchema>;
 export type DeleteBookFiles = z.infer<typeof deleteBookFilesSchema>;
+export type DuplicateDismissal = z.infer<typeof duplicateDismissalSchema>;
 export type UpdateBookProgress = z.infer<typeof updateBookProgressSchema>;