fix(documents): align the re-extraction guard error code between client and server

src/components/documents/__tests__/library-utils.test.ts

@@ -128,7 +128,7 @@ describe("isProviderUnsupportedError", () => {
 describe("isAlreadyConfirmedError", () => {
   it("matches the extract 422 already-confirmed signal", () => {
     const err = new ApiError("already confirmed", 422, {
-      errorCode: "documents.inbound.alreadyConfirmed",
+      errorCode: "documents.inbound.alreadyPartlyConfirmed",
     });
     expect(isAlreadyConfirmedError(err)).toBe(true);
   });

src/components/documents/library-utils.ts

@@ -91,7 +91,7 @@ export function isProviderUnsupportedError(error: unknown): boolean {
 export function isAlreadyConfirmedError(error: unknown): boolean {
   return (
     error instanceof ApiError &&
-    error.meta?.errorCode === "documents.inbound.alreadyConfirmed"
+    error.meta?.errorCode === "documents.inbound.alreadyPartlyConfirmed"
   );
 }