feat: add scan library functionality and related error handling in LibraryHeader and services

src/app/api/komga/libraries/[libraryId]/scan/route.ts

@@ -0,0 +1,45 @@
+import { NextResponse } from "next/server";
+import { LibraryService } from "@/lib/services/library.service";
+import { ERROR_CODES } from "@/constants/errorCodes";
+import { AppError } from "@/utils/errors";
+import { getErrorMessage } from "@/utils/errors";
+import type { NextRequest } from "next/server";
+
+export async function POST(
+  request: NextRequest,
+  { params }: { params: Promise<{ libraryId: string }> }
+) {
+  try {
+    const libraryId: string = (await params).libraryId;
+    
+    // Scan library with deep=false
+    await LibraryService.scanLibrary(libraryId, false);
+
+    return NextResponse.json({ success: true });
+  } catch (error) {
+    console.error("API Library Scan - Erreur:", error);
+    if (error instanceof AppError) {
+      return NextResponse.json(
+        {
+          error: {
+            code: error.code,
+            name: "Library scan error",
+            message: getErrorMessage(error.code),
+          },
+        },
+        { status: 500 }
+      );
+    }
+    return NextResponse.json(
+      {
+        error: {
+          code: ERROR_CODES.LIBRARY.SCAN_ERROR,
+          name: "Library scan error",
+          message: getErrorMessage(ERROR_CODES.LIBRARY.SCAN_ERROR),
+        },
+      },
+      { status: 500 }
+    );
+  }
+}
+