fix(library): expose rename setting in scoped library list

Return fileRenameEnabled for non-superuser library responses so the bulk rename selector includes configured libraries.

Closes #918

server/src/modules/library/library.repository.test.ts

@@ -6,6 +6,7 @@ vi.mock('drizzle-orm', () => ({
   sql: vi.fn((strings: TemplateStringsArray, ...values: unknown[]) => ({ op: 'sql', text: strings.join(''), values })),
 }));
 
+import { libraries } from '../../db/schema';
 import { LibraryRepository } from './library.repository';
 
 describe('LibraryRepository', () => {
@@ -51,6 +52,24 @@ describe('LibraryRepository', () => {
     expect(txUpdateSet).toHaveBeenNthCalledWith(2, { displayOrder: 6 });
   });
 
+  it('findAllForUser includes file rename eligibility in the scoped library projection', async () => {
+    const orderBy = vi.fn().mockResolvedValue([]);
+    const groupBy = vi.fn().mockReturnValue({ orderBy });
+    const leftJoin = vi.fn().mockReturnValue({ groupBy });
+    const innerJoin = vi.fn().mockReturnValue({ leftJoin });
+    const from = vi.fn().mockReturnValue({ innerJoin });
+    db.select.mockReturnValue({ from });
+
+    await repo.findAllForUser(42);
+
+    expect(db.select).toHaveBeenCalledWith(
+      expect.objectContaining({
+        fileRenameEnabled: libraries.fileRenameEnabled,
+      }),
+    );
+    expect(orderBy).toHaveBeenCalledWith(libraries.displayOrder, libraries.name);
+  });
+
   it('getStats aggregates counts, sizes, and format map', async () => {
     const countChain = {
       from: vi.fn().mockReturnValue({

server/src/modules/library/library.repository.ts

@@ -39,6 +39,7 @@ export class LibraryRepository {
         displayOrder: libraries.displayOrder,
         coverAspectRatio: libraries.coverAspectRatio,
         scanMode: libraries.scanMode,
+        fileRenameEnabled: libraries.fileRenameEnabled,
         createdAt: libraries.createdAt,
         updatedAt: libraries.updatedAt,
         bookCount: sql<number>`count(${books.id})::int`,

server/src/modules/library/library.service.test.ts

@@ -95,7 +95,7 @@ describe('LibraryService', () => {
   });
 
   it('findAll uses scoped folder query for non-superusers', async () => {
-    libraryRepo.findAllForUser.mockResolvedValue([{ id: 10, name: 'A', coverAspectRatio: '1/1' }]);
+    libraryRepo.findAllForUser.mockResolvedValue([{ id: 10, name: 'A', coverAspectRatio: '1/1', fileRenameEnabled: true }]);
     libraryRepo.findFoldersByLibraryIds.mockResolvedValue([{ id: 1, libraryId: 10, path: '/a', createdAt: new Date() }]);
 
     const result = await service.findAll({ id: 7, isSuperuser: false, contentFilters: EMPTY_CONTENT_FILTER_RULES } as any);
@@ -105,6 +105,7 @@ describe('LibraryService', () => {
     expect(libraryRepo.findAllFolders).not.toHaveBeenCalled();
     expect(result[0].folders).toEqual([{ id: 1, path: '/a', createdAt: expect.any(Date) }]);
     expect(result[0].coverAspectRatio).toBe('1/1');
+    expect(result[0].fileRenameEnabled).toBe(true);
   });
 
   it('passes contentFilters to findAllForUser for non-superuser and skips for superuser', async () => {