Add offline transfer history and tighten anonymous access

front/src/pages/transfer-state.test.ts

@@ -3,6 +3,9 @@ import test from 'node:test';
 
 import { buildTransferShareUrl } from '../lib/transfer-links';
 import {
+  getAvailableTransferModes,
+  getOfflineTransferSessionLabel,
+  getOfflineTransferSessionSize,
   canArchiveTransferSelection,
   buildQrImageUrl,
   canSendTransferFiles,
@@ -51,14 +54,19 @@ test('buildQrImageUrl encodes the share url as a QR image endpoint', () => {
 });
 
 test('resolveInitialTransferTab prefers receive mode for public visitors and shared sessions', () => {
-  assert.equal(resolveInitialTransferTab(false, null), 'receive');
+  assert.equal(resolveInitialTransferTab(false, null), 'send');
   assert.equal(resolveInitialTransferTab(true, '849201'), 'receive');
   assert.equal(resolveInitialTransferTab(true, null), 'send');
 });
 
-test('canSendTransferFiles requires an authenticated session', () => {
+test('canSendTransferFiles allows public online transfer entry', () => {
   assert.equal(canSendTransferFiles(true), true);
-  assert.equal(canSendTransferFiles(false), false);
+  assert.equal(canSendTransferFiles(false), true);
+});
+
+test('getAvailableTransferModes keeps offline mode behind login', () => {
+  assert.deepEqual(getAvailableTransferModes(false), ['ONLINE']);
+  assert.deepEqual(getAvailableTransferModes(true), ['ONLINE', 'OFFLINE']);
 });
 
 test('getTransferModeSummary describes the offline seven-day retention rule', () => {
@@ -68,6 +76,31 @@ test('getTransferModeSummary describes the offline seven-day retention rule', ()
   });
 });
 
+test('offline transfer history helpers summarize the session title and total size', () => {
+  const singleFileSession = {
+    sessionId: 'session-1',
+    pickupCode: '723325',
+    mode: 'OFFLINE' as const,
+    expiresAt: '2026-04-09T08:00:00Z',
+    files: [
+      {name: 'cover.png', relativePath: '活动图/cover.png', size: 2048, contentType: 'image/png', uploaded: true},
+    ],
+  };
+
+  const multiFileSession = {
+    ...singleFileSession,
+    sessionId: 'session-2',
+    files: [
+      {name: 'cover.png', relativePath: '活动图/cover.png', size: 2048, contentType: 'image/png', uploaded: true},
+      {name: 'notes.pdf', relativePath: '活动图/notes.pdf', size: 1024, contentType: 'application/pdf', uploaded: true},
+    ],
+  };
+
+  assert.equal(getOfflineTransferSessionLabel(singleFileSession), 'cover.png');
+  assert.equal(getOfflineTransferSessionLabel(multiFileSession), 'cover.png 等 2 项');
+  assert.equal(getOfflineTransferSessionSize(multiFileSession), '3 KB');
+});
+
 test('canArchiveTransferSelection is enabled for multi-file or folder downloads', () => {
   assert.equal(canArchiveTransferSelection([
     {