[backport core/1.41] feat: show App/Node Graph type indicator on template cards (#9746)

Manual backport of #9695 to core/1.41.

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-9746-backport-core-1-41-feat-show-App-Node-Graph-type-indicator-on-template-cards-3206d73d36508166a8f9f257357d927f)
by [Unito](https://www.unito.io)

Co-authored-by: Robin Huang <robin.j.huang@gmail.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: github-actions <github-actions@github.com>

src/components/custom/widget/WorkflowTemplateSelectorDialog.vue

@@ -178,7 +178,7 @@
             v-show="isTemplateVisibleOnDistribution(template)"
             :key="template.name"
             ref="cardRefs"
-            size="compact"
+            size="tall"
             variant="ghost"
             rounded="lg"
             :data-testid="`template-workflow-${template.name}`"
@@ -318,6 +318,20 @@
                       </Button>
                     </div>
                   </div>
+                  <div class="flex">
+                    <span
+                      class="text-neutral flex items-center gap-1.5 text-xs font-bold"
+                    >
+                      <template v-if="isAppTemplate(template)">
+                        <i class="icon-[lucide--panels-top-left]" />
+                        {{ $t('builderToolbar.app', 'App') }}
+                      </template>
+                      <template v-else>
+                        <i class="icon-[lucide--workflow]" />
+                        {{ $t('builderToolbar.nodeGraph', 'Node Graph') }}
+                      </template>
+                    </span>
+                  </div>
                 </div>
               </CardBottom>
             </template>
@@ -483,6 +497,8 @@ const {
 const getEffectiveSourceModule = (template: TemplateInfo) =>
   template.sourceModule || 'default'
 
+const isAppTemplate = (template: TemplateInfo) => template.name.endsWith('.app')
+
 const getBaseThumbnailSrc = (template: TemplateInfo) => {
   const sm = getEffectiveSourceModule(template)
   return getTemplateThumbnailUrl(template, sm, sm === 'default' ? '1' : '')