From 588b08d02b1d33e3bbbad93f9a5383180a57aac3 Mon Sep 17 00:00:00 2001
From: shrimbly <falloon.willie@gmail.com>
Date: Sun, 15 Feb 2026 22:23:56 +1300
Subject: [PATCH] fix: guard against undefined from empty array unwrap in fal
 provider

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 src/app/api/generate/providers/fal.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/app/api/generate/providers/fal.ts b/src/app/api/generate/providers/fal.ts
index 5fcbe0c1..112e6c9e 100644
--- a/src/app/api/generate/providers/fal.ts
+++ b/src/app/api/generate/providers/fal.ts
@@ -279,7 +279,9 @@ export async function generateWithFalQueue(
           filteredInputs[key] = [processedValue];
         } else if (!schemaArrayParams.has(key) && Array.isArray(processedValue)) {
           // Unwrap array to single value if schema expects a string (e.g. image_url)
-          filteredInputs[key] = processedValue[0];
+          if (processedValue.length > 0) {
+            filteredInputs[key] = processedValue[0];
+          }
         } else {
           filteredInputs[key] = processedValue;
         }