feat(downloader): add rTorrent UI support

Add rTorrent as a downloader option in settings, setup wizard, and
downloader card with config form (host, username, password) and
ruTorrent logo. Include i18n translations for zh-CN, zh-TW, and en-US.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/api/constants.ts

@@ -52,6 +52,10 @@ export const downloaderOptions = [
     value: 'transmission',
     title: i18n.global.t('setting.system.transmission'),
   },
+  {
+    value: 'rtorrent',
+    title: i18n.global.t('setting.system.rtorrent'),
+  },
 ]
 
 export const downloaderDict = downloaderOptions.reduce((dict, item) => {

src/components/cards/DownloaderCard.vue

@@ -206,6 +206,8 @@ const getIcon = computed(() => {
       return getLogoUrl('qbittorrent')
     case 'transmission':
       return getLogoUrl('transmission')
+    case 'rtorrent':
+      return getLogoUrl('rtorrent')
     default:
       return getLogoUrl('downloader')
   }
@@ -443,6 +445,51 @@ onUnmounted(() => {
                 />
               </VCol>
             </VRow>
+            <VRow v-else-if="downloaderInfo.type == 'rtorrent'">
+              <VCol cols="12" md="6">
+                <VTextField
+                  v-model="downloaderInfo.name"
+                  :label="t('downloader.name')"
+                  :placeholder="t('downloader.nameRequired')"
+                  :hint="t('downloader.name')"
+                  persistent-hint
+                  active
+                  prepend-inner-icon="mdi-label"
+                />
+              </VCol>
+              <VCol cols="12" md="6">
+                <VTextField
+                  v-model="downloaderInfo.config.host"
+                  :label="t('downloader.host')"
+                  placeholder="http(s)://ip:port/RPC2"
+                  :hint="t('downloader.rtorrentHostHint')"
+                  persistent-hint
+                  active
+                  prepend-inner-icon="mdi-server"
+                />
+              </VCol>
+              <VCol cols="12" md="6">
+                <VTextField
+                  v-model="downloaderInfo.config.username"
+                  :label="t('downloader.username')"
+                  :hint="t('downloader.username')"
+                  persistent-hint
+                  active
+                  prepend-inner-icon="mdi-account"
+                />
+              </VCol>
+              <VCol cols="12" md="6">
+                <VTextField
+                  v-model="downloaderInfo.config.password"
+                  type="password"
+                  :label="t('downloader.password')"
+                  :hint="t('downloader.password')"
+                  persistent-hint
+                  active
+                  prepend-inner-icon="mdi-lock"
+                />
+              </VCol>
+            </VRow>
             <VRow v-else>
               <VCol cols="12" md="6">
                 <VTextField

src/locales/en-US.ts

@@ -1337,6 +1337,7 @@ export default {
       reloading: 'Applying configuration...',
       qbittorrent: 'Qbittorrent',
       transmission: 'Transmission',
+      rtorrent: 'rTorrent',
       emby: 'Emby',
       jellyfin: 'Jellyfin',
       plex: 'Plex',
@@ -2782,6 +2783,7 @@ export default {
     type: 'Type',
     enabled: 'Enabled',
     customTypeHint: 'Custom downloader type, for plugin scenarios',
+    rtorrentHostHint: 'HTTP: http://ip:port/RPC2 or SCGI: scgi://ip:port',
     default: 'Default',
     host: 'Host',
     username: 'Username',

src/locales/zh-CN.ts

@@ -1332,6 +1332,7 @@ export default {
       reloading: '正在应用配置...',
       qbittorrent: 'Qbittorrent',
       transmission: 'Transmission',
+      rtorrent: 'rTorrent',
       emby: 'Emby',
       jellyfin: 'Jellyfin',
       plex: 'Plex',
@@ -2746,6 +2747,7 @@ export default {
     type: '类型',
     enabled: '启用',
     customTypeHint: '自定义下载器类型，用于插件等场景',
+    rtorrentHostHint: 'HTTP: http://ip:port/RPC2 或 SCGI: scgi://ip:port',
     default: '默认',
     host: '地址',
     username: '用户名',

src/locales/zh-TW.ts

@@ -1333,6 +1333,7 @@ export default {
       reloading: '正在應用配置...',
       qbittorrent: 'Qbittorrent',
       transmission: 'Transmission',
+      rtorrent: 'rTorrent',
       emby: 'Emby',
       jellyfin: 'Jellyfin',
       plex: 'Plex',
@@ -2746,6 +2747,7 @@ export default {
     name: '名稱',
     type: '類型',
     customTypeHint: '自定義下載器類型，用於插件等場景',
+    rtorrentHostHint: 'HTTP: http://ip:port/RPC2 或 SCGI: scgi://ip:port',
     enabled: '啟用',
     default: '預設',
     host: '地址',

src/utils/imageUtils.ts

@@ -6,6 +6,7 @@
 // 导入所有 logo 图标
 import qbittorrentLogo from '@/assets/images/logos/qbittorrent.png'
 import transmissionLogo from '@/assets/images/logos/transmission.png'
+import rtorrentLogo from '@/assets/images/logos/rtorrent.png'
 import embyLogo from '@/assets/images/logos/emby.png'
 import jellyfinLogo from '@/assets/images/logos/jellyfin.png'
 import plexLogo from '@/assets/images/logos/plex.png'
@@ -34,6 +35,7 @@ import doubanBlackLogo from '@/assets/images/logos/douban-black.png'
 const logoMap: Record<string, string> = {
   qbittorrent: qbittorrentLogo,
   transmission: transmissionLogo,
+  rtorrent: rtorrentLogo,
   emby: embyLogo,
   jellyfin: jellyfinLogo,
   plex: plexLogo,

src/views/setup/DownloaderSettingsStep.vue

@@ -27,7 +27,7 @@ const { wizardData, selectDownloader, validationErrors } = useSetupWizard()
           <div class="mb-4">
             <h4 class="text-h6 mb-4">{{ t('setupWizard.downloader.type') }}</h4>
             <VRow>
-              <VCol cols="12" md="6">
+              <VCol cols="12" md="4">
                 <VCard
                   :color="wizardData.downloader.type === 'qbittorrent' ? 'primary' : 'default'"
                   :variant="wizardData.downloader.type === 'qbittorrent' ? 'tonal' : 'outlined'"
@@ -40,7 +40,7 @@ const { wizardData, selectDownloader, validationErrors } = useSetupWizard()
                   </VCardText>
                 </VCard>
               </VCol>
-              <VCol cols="12" md="6">
+              <VCol cols="12" md="4">
                 <VCard
                   :color="wizardData.downloader.type === 'transmission' ? 'primary' : 'default'"
                   :variant="wizardData.downloader.type === 'transmission' ? 'tonal' : 'outlined'"
@@ -53,6 +53,19 @@ const { wizardData, selectDownloader, validationErrors } = useSetupWizard()
                   </VCardText>
                 </VCard>
               </VCol>
+              <VCol cols="12" md="4">
+                <VCard
+                  :color="wizardData.downloader.type === 'rtorrent' ? 'primary' : 'default'"
+                  :variant="wizardData.downloader.type === 'rtorrent' ? 'tonal' : 'outlined'"
+                  class="cursor-pointer"
+                  @click="selectDownloader('rtorrent')"
+                >
+                  <VCardText class="text-center">
+                    <VImg :src="getLogoUrl('rtorrent')" height="48" width="48" class="mx-auto mb-2" />
+                    <div class="text-h6">rTorrent</div>
+                  </VCardText>
+                </VCard>
+              </VCol>
             </VRow>
           </div>
         </VCol>
@@ -203,6 +216,63 @@ const { wizardData, selectDownloader, validationErrors } = useSetupWizard()
                     />
                   </VCol>
                 </VRow>
+                <VRow v-else-if="wizardData.downloader.type === 'rtorrent'">
+                  <VCol cols="12" md="6">
+                    <VTextField
+                      v-model="wizardData.downloader.name"
+                      :label="t('downloader.name')"
+                      :placeholder="t('downloader.nameRequired')"
+                      :hint="t('downloader.name')"
+                      :error="validationErrors.downloader.name"
+                      :error-messages="validationErrors.downloader.name ? [t('downloader.nameRequired')] : []"
+                      persistent-hint
+                      active
+                      prepend-inner-icon="mdi-label"
+                      required
+                    />
+                  </VCol>
+                  <VCol cols="12" md="6">
+                    <VTextField
+                      v-model="wizardData.downloader.config.host"
+                      :label="t('downloader.host')"
+                      placeholder="http(s)://ip:port/RPC2"
+                      :hint="t('downloader.rtorrentHostHint')"
+                      :error="validationErrors.downloader.host"
+                      :error-messages="validationErrors.downloader.host ? [t('downloader.hostRequired')] : []"
+                      persistent-hint
+                      active
+                      prepend-inner-icon="mdi-server"
+                      required
+                    />
+                  </VCol>
+                  <VCol cols="12" md="6">
+                    <VTextField
+                      v-model="wizardData.downloader.config.username"
+                      :label="t('downloader.username')"
+                      :hint="t('downloader.username')"
+                      :error="validationErrors.downloader.username"
+                      :error-messages="validationErrors.downloader.username ? [t('downloader.usernameRequired')] : []"
+                      persistent-hint
+                      active
+                      prepend-inner-icon="mdi-account"
+                      required
+                    />
+                  </VCol>
+                  <VCol cols="12" md="6">
+                    <VTextField
+                      v-model="wizardData.downloader.config.password"
+                      type="password"
+                      :label="t('downloader.password')"
+                      :hint="t('downloader.password')"
+                      :error="validationErrors.downloader.password"
+                      :error-messages="validationErrors.downloader.password ? [t('downloader.passwordRequired')] : []"
+                      persistent-hint
+                      active
+                      prepend-inner-icon="mdi-lock"
+                      required
+                    />
+                  </VCol>
+                </VRow>
                 <VRow v-else>
                   <VCol cols="12" md="6">
                     <VTextField