fix: add /u/[token] route for unsubscribe links

frontend/src/components/mining/stepper-panels/mine/MinePanel.vue

@@ -109,6 +109,7 @@
 import type { TreeSelectionKeys } from 'primevue/tree';
 
 import ProgressCard from '@/components/mining/ProgressCard.vue';
+import { requiresActiveMiningSource } from '@/utils/mining-source-guards';
 import { useWebNotification } from '@vueuse/core';
 import type { MiningSource } from '~/types/mining';
 import MiningSettingsDialog from './MiningSettingsDialog.vue';
@@ -136,24 +137,29 @@
 
 async function handleAuthErrorAndRetry(
   retryFn: () => Promise<void>,
-  sourceEmail: string,
-  sourceTypeVal: string,
+  sourceEmail?: string,
+  sourceTypeVal?: string,
 ) {
   try {
     const { error: refreshError } = await $supabase.auth.refreshSession();
     if (refreshError) {
       console.error('Token refresh failed:', refreshError);
     }
     await retryFn();
   } catch (error) {
-    if (error instanceof FetchError && error.response?.status === 401) {
+    if (
+      error instanceof FetchError &&
+      error.response?.status === 401 &&
+      sourceEmail &&
+      sourceTypeVal
+    ) {
       $consentSidebar.show(
         sourceTypeVal as 'google' | 'microsoft' | 'imap',
         sourceEmail,
         '/mine',
       );
     } else {
       console.error('Mining error:', error);
       $toast.add({
         severity: 'error',
         summary: $t('common.start_mining'),
@@ -266,7 +272,7 @@
 
   try {
     await $leadminerStore.fetchInbox();
   } catch (error: any) {
     if (error?.statusCode === 502 || error?.statusCode === 503) {
       $stepper.prev();
     } else if (miningSource) {
@@ -349,33 +355,33 @@
     return;
   }
   canceled.value = false;
-  if (!$leadminerStore.activeMiningSource) return;
+
+  if (
+    requiresActiveMiningSource(sourceType.value) &&
+    !$leadminerStore.activeMiningSource
+  ) {
+    return;
+  }
+
+  const activeSource = $leadminerStore.activeMiningSource;
+  if (!activeSource) return;
+
   await handleAuthErrorAndRetry(
     () => $leadminerStore.startMining(sourceType.value),
-    $leadminerStore.activeMiningSource.email,
-    $leadminerStore.activeMiningSource.type,
+    activeSource.email,
+    activeSource.type,
   );
 }
 
 async function startMiningFile() {
-  if (!$leadminerStore.activeMiningSource) return;
-  await handleAuthErrorAndRetry(
-    () => $leadminerStore.startMining(sourceType.value),
-    $leadminerStore.activeMiningSource.email,
-    $leadminerStore.activeMiningSource.type,
+  await handleAuthErrorAndRetry(() =>
+    $leadminerStore.startMining(sourceType.value),
   );
 }
 
 async function startMiningPst() {
-  if (!$leadminerStore.activeMiningSource) return;
-  await handleAuthErrorAndRetry(
-    () =>
-      $leadminerStore.startMining(
-        sourceType.value,
-        $leadminerStore.pstFilePath,
-      ),
-    $leadminerStore.activeMiningSource.email,
-    $leadminerStore.activeMiningSource.type,
+  await handleAuthErrorAndRetry(() =>
+    $leadminerStore.startMining(sourceType.value, $leadminerStore.pstFilePath),
   );
 }
 

frontend/src/pages/u/[token].vue

@@ -0,0 +1,16 @@
+<template>
+  <div />
+</template>
+
+<script setup lang="ts">
+const $route = useRoute();
+const token = $route.params.token as string;
+
+const previewModes = ['preview-unsubscribe', 'preview-open', 'preview-click'];
+
+if (previewModes.includes(token)) {
+  await navigateTo(`/unsubscribe/success?preview=true`, { external: true });
+} else {
+  await navigateTo(`/unsubscribe/success?sender=`, { external: true });
+}
+</script>

frontend/src/tests/unit/mining-source-guards.test.ts

@@ -0,0 +1,11 @@
+import { describe, expect, it } from 'vitest';
+
+import { requiresActiveMiningSource } from '@/utils/mining-source-guards';
+
+describe('requiresActiveMiningSource', () => {
+  it('requires an active source only for email mining', () => {
+    expect(requiresActiveMiningSource('email')).toBe(true);
+    expect(requiresActiveMiningSource('file')).toBe(false);
+    expect(requiresActiveMiningSource('pst')).toBe(false);
+  });
+});

frontend/src/utils/mining-source-guards.ts

@@ -0,0 +1,5 @@
+import type { MiningType } from '~/types/mining';
+
+export function requiresActiveMiningSource(miningType: MiningType): boolean {
+  return miningType === 'email';
+}