feat: Support grouped generation responses and improve generation ID extraction for polling.

src/views/ImageGenerationView.vue

@@ -211,8 +211,15 @@ const handleGenerate = async () => {
 
         const response = await aiService.runGeneration(payload)
 
-        if (response && response.id) {
-            pollStatus(response.id)
+        let genId = null
+        if (response && response.generations && response.generations.length > 0) {
+            genId = response.generations[0].id
+        } else if (response && response.id) {
+            genId = response.id
+        }
+
+        if (genId) {
+            pollStatus(genId)
         } else {
             // Fallback immediate response
             generatedResult.value = response