feat(scanner): add live scan progress via WebSocket and auto-scan

packages/types/src/index.ts

@@ -1,3 +1,4 @@
 export * from "./auth";
 export * from "./library";
 export * from "./reader-settings";
+export * from "./scanner";

packages/types/src/scanner.ts

@@ -0,0 +1,11 @@
+export interface ScanProgressEvent {
+  jobId: number;
+  libraryId: number;
+  status: 'running' | 'completed' | 'failed';
+  processed: number;
+  total: number;
+  added: number;
+  updated: number;
+  missing: number;
+  errorMessage?: string;
+}