Update app.py

app.py

@@ -453,6 +453,9 @@ def handle_analyze(resume_text: str, job_text: str, provider: str, api_key: str,
 def handle_generate(resume_text: str, job_desc: str, provider: str, api_key: str, model_name: str, template_style: str, company: str, position: str):
     if not (resume_text and job_desc):
         return "❌ Missing resume or job description.", "", "", "N/A", "", []
+
+    # Fallback to environment variable if UI key is empty
+    api_key = api_key or os.environ.get("API_KEY", "")
     
     if not api_key:
         return "❌ API key required.", "", "", "N/A", "", []