feat(books): add manual write-and-rename action in metadata editor

allow users to trigger file write-back and rename from the edit metadata tab as a single explicit action.

return write and rename outcomes with library setting flags so the UI can show clear result and warning states.

Closes #143

packages/types/src/audit.ts

@@ -53,6 +53,8 @@ export enum AuditAction {
   BookBulkUpdateTags = "book.bulk.update_tags",
   BookBulkSetMetadataLock = "book.bulk.set_metadata_lock",
 
+  BookWriteAndRename = "book.write_and_rename",
+
   CollectionCreate = "collection.create",
   CollectionUpdate = "collection.update",
   CollectionDelete = "collection.delete",

packages/types/src/file-write.ts

@@ -28,6 +28,13 @@ export interface FileRenameResult {
   durationMs: number;
 }
 
+export interface BookWriteAndRenameResult {
+  write: WriteResult;
+  rename: FileRenameResult;
+  libraryAutoWriteEnabled: boolean;
+  libraryAutoRenameEnabled: boolean;
+}
+
 // ── Bulk Rename ─────────────────────────────────────────────────────────────
 
 export type BulkRenameStatus = "will_rename" | "unchanged" | "collision" | "no_pattern" | "error";