refactoring, numbering plan

src/lib/pending-files.ts

@@ -1,16 +1,37 @@
-let pendingFiles: File[] = [];
+/** Routes that can receive a handoff from another route. */
+export type PendingFileTarget = 'bea' | 'pagination';
+
+type QueuedFile = { file: File; target: PendingFileTarget };
+
+let queue: QueuedFile[] = [];
 
 /**
  * In-memory handoff between routes (start page → beA workspace, merge →
  * pagination). Nothing is uploaded or persisted; the receiving route takes and
- * clears the queue on mount.
+ * clears the files queued for its own target on mount.
+ *
+ * The target keeps a queued ZIP from being consumed — and silently dropped — by
+ * a tool that only accepts PDFs.
  */
-export const queuePendingFiles = (files: File[]) => {
-	pendingFiles = [...pendingFiles, ...files];
+export const queuePendingFiles = (files: File[], target: PendingFileTarget) => {
+	queue = [...queue, ...files.map((file) => ({ file, target }))];
 };
 
-export const takePendingFiles = () => {
-	const files = pendingFiles;
-	pendingFiles = [];
-	return files;
+/** Takes (and clears) the files queued for `target`; other targets stay queued. */
+export const takePendingFiles = (target: PendingFileTarget): File[] => {
+	const taken: File[] = [];
+	const remaining: QueuedFile[] = [];
+
+	for (const entry of queue) {
+		if (entry.target === target) taken.push(entry.file);
+		else remaining.push(entry);
+	}
+
+	queue = remaining;
+	return taken;
+};
+
+/** Test/storybook helper: forget everything that is still queued. */
+export const clearPendingFiles = () => {
+	queue = [];
 };