fix: restore ai-cad model outputs

app/api/ai-cad/tasks/[taskId]/route.ts

@@ -19,6 +19,10 @@ type KittyCadTaskResponse = {
   output_format?: string | null;
 };
 
+type KittyCadAsyncOperationResponse = KittyCadTaskResponse & {
+  type?: string | null;
+};
+
 type ArchivedFile = {
   sourceHash: string;
   archivedUrl: string;
@@ -134,6 +138,78 @@ function pickPreviewImageFile(files: Array<{ name: string; url: string }>) {
   );
 }
 
+function extractOutputEntries(task: KittyCadTaskResponse) {
+  return Object.entries(task.outputs || {}).filter(
+    (entry): entry is [string, string] =>
+      typeof entry[0] === "string" &&
+      entry[0].trim().length > 0 &&
+      typeof entry[1] === "string" &&
+      entry[1].trim().length > 0
+  );
+}
+
+async function enrichTextToCadOutputs(params: {
+  config: Awaited<ReturnType<typeof getKittyCadProviderConfig>>;
+  task: KittyCadTaskResponse;
+  taskId: string;
+}) {
+  if (extractOutputEntries(params.task).length > 0) {
+    return params.task;
+  }
+
+  try {
+    const asyncOperation = await kittyCadRequest<KittyCadAsyncOperationResponse>(
+      params.config,
+      {
+        method: "GET",
+        path: `/async/operations/${encodeURIComponent(params.taskId)}`,
+      }
+    );
+
+    if (extractOutputEntries(asyncOperation).length === 0) {
+      return params.task;
+    }
+
+    return {
+      ...params.task,
+      ...asyncOperation,
+      code: asyncOperation.code || params.task.code || null,
+      conversation_id:
+        asyncOperation.conversation_id || params.task.conversation_id || null,
+      model_version:
+        asyncOperation.model_version || params.task.model_version || null,
+      output_format:
+        asyncOperation.output_format || params.task.output_format || null,
+      outputs: asyncOperation.outputs,
+      prompt: asyncOperation.prompt || params.task.prompt || null,
+    } satisfies KittyCadTaskResponse;
+  } catch (error) {
+    console.warn("[KittyCADStatus] async output fallback failed", {
+      taskId: params.taskId,
+      error: error instanceof Error ? error.message : String(error),
+    });
+    return params.task;
+  }
+}
+
+function createClientSafeTaskOutput(task: KittyCadTaskResponse) {
+  const outputEntries = extractOutputEntries(task);
+  const outputSummary = Object.fromEntries(
+    outputEntries.map(([name, base64]) => [
+      name,
+      {
+        base64Length: base64.length,
+        extension: getFileExtension(name) || null,
+      },
+    ])
+  );
+
+  return {
+    ...task,
+    outputs: outputSummary,
+  };
+}
+
 async function archiveOutputIfNeeded(params: {
   taskId: string;
   filename: string;
@@ -269,7 +345,7 @@ export async function GET(_request: Request, { params }: RouteParams) {
     }
 
     const config = await getKittyCadProviderConfig();
-    const result = await kittyCadRequest<KittyCadTaskResponse>(config, {
+    let result = await kittyCadRequest<KittyCadTaskResponse>(config, {
       method: "GET",
       path: `/user/text-to-cad/${encodeURIComponent(normalizedTaskId)}`,
     });
@@ -287,18 +363,18 @@ export async function GET(_request: Request, { params }: RouteParams) {
           conversationId: result.conversation_id || null,
           modelVersion: result.model_version || null,
           outputFormat: result.output_format || null,
-          output: result,
+          output: createClientSafeTaskOutput(result),
         },
       });
     }
 
-    const outputEntries = Object.entries(result.outputs || {}).filter(
-      (entry): entry is [string, string] =>
-        typeof entry[0] === "string" &&
-        entry[0].trim().length > 0 &&
-        typeof entry[1] === "string" &&
-        entry[1].trim().length > 0
-    );
+    result = await enrichTextToCadOutputs({
+      config,
+      task: result,
+      taskId: normalizedTaskId,
+    });
+
+    const outputEntries = extractOutputEntries(result);
 
     const archivedEntries = await Promise.all(
       outputEntries.map(async ([name, base64]) => {
@@ -365,7 +441,7 @@ export async function GET(_request: Request, { params }: RouteParams) {
         outputFormat: result.output_format || null,
         codeUrl: codeFile?.url || null,
         downloadUrls,
-        output: result,
+        output: createClientSafeTaskOutput(result),
       },
     });
   } catch (error) {