continue scaffolding and refine the basic foundation

server/api/chat/generations/[id].get.ts

@@ -1,6 +1,6 @@
 import { protectRoute } from '~~/server/utils/auth';
-import { getPendingGeneration, getActiveGeneration, isGenerationActive } from '~~/server/utils/generation';
-import type { GenerationStatus } from '~~/server/types/chat';
+import { getGenerationStatus } from '~~/server/utils/generation';
+import type { GenerationStatusResponse } from '~~/server/types/chat';
 
 export default defineEventHandler(async (event) => {
     await protectRoute(event);
@@ -14,39 +14,30 @@ export default defineEventHandler(async (event) => {
         });
     }
 
-    const pendingGeneration = getPendingGeneration(generationId);
-    const isActive = isGenerationActive(generationId);
-    const activeGeneration = getActiveGeneration(generationId);
+    const generation = await getGenerationStatus(generationId);
 
-    if (!pendingGeneration && !activeGeneration) {
+    if (!generation) {
         throw createError({
             statusCode: 404,
             statusMessage: 'Generation not found'
         });
     }
 
-    if (pendingGeneration) {
-        const status: GenerationStatus = {
-            generationId,
-            status: 'pending',
-            topicId: pendingGeneration.topicId
-        };
-        return status;
+    // Verify ownership
+    if (generation.userId !== event.context.user.id) {
+        throw createError({
+            statusCode: 403,
+            statusMessage: 'Unauthorized'
+        });
     }
 
-    if (isActive && activeGeneration) {
-        const status: GenerationStatus = {
-            generationId,
-            status: 'active',
-            content: activeGeneration.content,
-            topicId: activeGeneration.topicId
-        };
-        return status;
-    }
-
-    const status: GenerationStatus = {
+    const status: GenerationStatusResponse = {
         generationId,
-        status: 'completed'
+        status: generation.status as any,
+        topicId: generation.topicId,
+        content: generation.content,
+        error: generation.error || undefined
     };
+
     return status;
 });