fix type issues

Author: icecrasher321

apps/sim/app/api/tools/jupyter/upload/route.ts

@@ -1,5 +1,6 @@
 import { createLogger } from '@sim/logger'
 import { getErrorMessage } from '@sim/utils/errors'
+import { isPlainRecord } from '@sim/utils/object'
 import { type NextRequest, NextResponse } from 'next/server'
 import { jupyterUploadContract } from '@/lib/api/contracts/storage-transfer'
 import { parseRequest } from '@/lib/api/server'
@@ -129,16 +130,28 @@ export const POST = withRouteHandler(async (request: NextRequest) => {
     }
 
     const uploaded = await response.json()
+    if (!isPlainRecord(uploaded)) {
+      logger.error(`[${requestId}] Jupyter returned an invalid upload response`)
+      return NextResponse.json(
+        { success: false, error: 'Jupyter returned an invalid upload response' },
+        { status: 502 }
+      )
+    }
+
+    const uploadedName = typeof uploaded.name === 'string' ? uploaded.name : fileName
+    const uploadedPath = typeof uploaded.path === 'string' ? uploaded.path : destinationPath
+    const uploadedSize = typeof uploaded.size === 'number' ? uploaded.size : fileBuffer.length
+    const lastModified = typeof uploaded.last_modified === 'string' ? uploaded.last_modified : null
 
-    logger.info(`[${requestId}] File uploaded to Jupyter: ${uploaded.path}`)
+    logger.info(`[${requestId}] File uploaded to Jupyter: ${uploadedPath}`)
 
     return NextResponse.json({
       success: true,
       output: {
-        name: uploaded.name ?? fileName,
-        path: uploaded.path ?? destinationPath,
-        size: uploaded.size ?? fileBuffer.length,
-        lastModified: uploaded.last_modified ?? null,
+        name: uploadedName,
+        path: uploadedPath,
+        size: uploadedSize,
+        lastModified,
       },
     })
   } catch (error) {