fix(plugins): allow reinstalling rolled-back marketplace versions

apps/desktop/src/components/plugins/PluginContributionsPanel.vue

@@ -205,6 +205,10 @@ async function installMarketplaceListing(listing: MarketplacePluginListing) {
     selectPlugin(result.plugin.manifest.id);
   } catch (cause) {
     toast(cause instanceof Error ? cause.message : String(cause), 8000);
+    // A failed install can still have mutated the store (a partially replaced version directory, for
+    // instance), so re-read the installed list instead of leaving the card on state it may no longer
+    // describe.
+    installedPlugins.value = await api.listPlugins().catch(() => installedPlugins.value);
   } finally {
     marketplaceInstallingKey.value = "";
   }
@@ -870,6 +874,9 @@ onBeforeUnmount(() => {
               <div class="mt-auto flex items-center justify-between gap-3 pt-4">
                 <div class="text-[11px] text-muted-foreground">
                   <span v-if="listing.status === 'unsupported'">{{ t("pluginPlatform.unsupportedTarget", { target: listing.target }) }}</span>
+                  <!-- In the update state the left line states both versions: the badge above shows the
+                       catalog latest version, which otherwise reads as the installed one. -->
+                  <span v-else-if="listing.installed && listing.status === 'update'">{{ t("pluginPlatform.installedVersionUpdatable", { installed: listing.installed.manifest.version, latest: listing.plugin.latestVersion }) }}</span>
                   <span v-else-if="listing.installed">{{ t("pluginPlatform.installedVersion", { version: listing.installed.manifest.version }) }}</span>
                   <span v-else>{{ listing.plugin.license || t("pluginPlatform.licenseUnknown") }}</span>
                 </div>

apps/desktop/src/i18n/locales/en.ts

@@ -184,6 +184,7 @@ export default {
     permissionsCount: "{count} permissions",
     unsupportedTarget: "Not available for {target}",
     installedVersion: "Installed v{version}",
+    installedVersionUpdatable: "Installed v{installed} · Update to v{latest}",
     licenseUnknown: "License not specified",
     sourceRepository: "Source repository",
     pluginHomepage: "Homepage",

apps/desktop/src/i18n/locales/es.ts

@@ -187,6 +187,7 @@ export default withEnglishFallback({
     permissionsCount: "{count} permisos",
     unsupportedTarget: "No disponible para {target}",
     installedVersion: "Instalado v{version}",
+    installedVersionUpdatable: "Instalado v{installed} · Actualizar a v{latest}",
     licenseUnknown: "Licencia no especificada",
     sourceRepository: "Repositorio de código fuente",
     pluginHomepage: "Página principal",

apps/desktop/src/i18n/locales/it.ts

@@ -186,6 +186,7 @@ export default withEnglishFallback({
     permissionsCount: "{count} autorizzazioni",
     unsupportedTarget: "Non disponibile per {target}",
     installedVersion: "Installato v{version}",
+    installedVersionUpdatable: "Installato v{installed} · Aggiorna a v{latest}",
     licenseUnknown: "Licenza non specificata",
     sourceRepository: "Repository del codice sorgente",
     pluginHomepage: "Sito web",

apps/desktop/src/i18n/locales/ja.ts

@@ -187,6 +187,7 @@ export default withEnglishFallback({
     permissionsCount: "権限 {count} 件",
     unsupportedTarget: "{target} では利用できません",
     installedVersion: "インストール済み v{version}",
+    installedVersionUpdatable: "インストール済み v{installed} · v{latest} に更新可能",
     licenseUnknown: "ライセンス未指定",
     sourceRepository: "ソースリポジトリ",
     pluginHomepage: "ホームページ",

apps/desktop/src/i18n/locales/ko.ts

@@ -186,6 +186,7 @@ export default withEnglishFallback({
     permissionsCount: "권한 {count}개",
     unsupportedTarget: "{target}에서는 사용할 수 없음",
     installedVersion: "설치된 버전 v{version}",
+    installedVersionUpdatable: "설치된 버전 v{installed} · v{latest}(으)로 업데이트 가능",
     licenseUnknown: "라이선스 미지정",
     sourceRepository: "소스 저장소",
     pluginHomepage: "홈페이지",

apps/desktop/src/i18n/locales/pt-BR.ts

@@ -187,6 +187,7 @@ export default withEnglishFallback({
     permissionsCount: "{count} permissões",
     unsupportedTarget: "Indisponível para {target}",
     installedVersion: "Instalado v{version}",
+    installedVersionUpdatable: "Instalado v{installed} · Atualizar para v{latest}",
     licenseUnknown: "Licença não informada",
     sourceRepository: "Repositório do código-fonte",
     pluginHomepage: "Página inicial",

apps/desktop/src/i18n/locales/zh-CN.ts

@@ -109,6 +109,7 @@ export default withEnglishFallback({
     permissionsCount: "{count} 项权限",
     unsupportedTarget: "暂不支持 {target}",
     installedVersion: "已安装 v{version}",
+    installedVersionUpdatable: "已安装 v{installed} · 可更新至 v{latest}",
     licenseUnknown: "未声明许可证",
     sourceRepository: "源码仓库",
     pluginHomepage: "主页",

apps/desktop/src/i18n/locales/zh-TW.ts

@@ -187,6 +187,7 @@ export default withEnglishFallback({
     permissionsCount: "{count} 項權限",
     unsupportedTarget: "暫不支援 {target}",
     installedVersion: "已安裝 v{version}",
+    installedVersionUpdatable: "已安裝 v{installed} · 可更新至 v{latest}",
     licenseUnknown: "未指定授權條款",
     sourceRepository: "原始碼倉庫",
     pluginHomepage: "主頁",

apps/desktop/src/lib/plugins/pluginMarketplace.spec.ts

@@ -65,6 +65,16 @@ describe("plugin marketplace listings", () => {
     expect(buildMarketplacePluginListings([unsupported], [], "en")[0].status).toBe("unsupported");
   });
 
+  it("keeps a newer installed version installed instead of offering a downgrade", () => {
+    const listings = buildMarketplacePluginListings([result], [installed("1.2.0")], "en");
+
+    // The catalog lags behind the installed build: the card must stay on the installed state.
+    expect(listings[0]).toMatchObject({ status: "installed", installed: { manifest: { version: "1.2.0" } } });
+    // Only "update" swaps the card's bottom-left line to the two-version text, so this state renders the
+    // plain installed line for 1.2.0 rather than the catalog's older 1.1.0.
+    expect(listings[0].plugin.latestVersion).toBe("1.1.0");
+  });
+
   it("uses a universal artifact when the current target has no exact artifact", () => {
     const universal = structuredClone(result);
     universal.target = "linux-x64";