Update app.py

app.py

@@ -92,6 +92,19 @@ def check_and_setup_environment():
     if not os.getenv("OPENAI_API_KEY") and not os.getenv("ANTHROPIC_API_KEY"):
         status_messages.append("ℹ No LLM API keys found (LLM modes will be unavailable)")
     
+    # Check gradio-client
+    try:
+        import gradio_client
+        status_messages.append("✓ gradio-client installed")
+    except ImportError:
+        status_messages.append("⚠ gradio-client not found - installing...")
+        try:
+            subprocess.run([sys.executable, "-m", "pip", "install", "gradio-client"], check=True)
+            status_messages.append("✓ gradio-client installed successfully")
+        except Exception as e:
+            status_messages.append(f"✗ gradio-client installation failed: {e}")
+    
+    
     return "\n".join(status_messages)
 
 # Run setup on startup
@@ -427,10 +440,10 @@ def create_interface():
                 )
                 
                 nmt_backend = gr.Dropdown(
-                    choices=["NLLB", "Madlad", "Opus", "CT2", "Auto"],
+                    choices=["NLLB", "Madlad", "Opus", "CT2", "SauerkrautLM (API)", "Auto"],
                     value="NLLB",
                     label="NMT Backend",
-                    info="NLLB: Fast & balanced | Madlad: Academic | Opus: Specialized pairs"
+                    info="NLLB: Local | SauerkrautLM: High-quality API (German/EU)"
                 )
                 
                 nllb_size = gr.Dropdown(
@@ -555,8 +568,20 @@ def create_interface():
         def handle_translate(input_f, src_lang_name, tgt_lang_name, mode, nmt, nllb_sz, algn, llm):
             src_code = languages.get(src_lang_name, "en")
             tgt_code = languages.get(tgt_lang_name, "de")
-            return translate_document_sync(input_f, src_code, tgt_code, mode, nmt, nllb_sz, algn, llm)
-        
+            
+            # Map UI name to backend string
+            backend_map = {
+                "NLLB": "nllb",
+                "Madlad": "madlad",
+                "Opus": "opus",
+                "CT2": "ct2",
+                "SauerkrautLM (API)": "sauerkraut",
+                "Auto": "auto"
+            }
+            nmt_val = backend_map.get(nmt, "nllb")
+            
+            return translate_document_sync(input_f, src_code, tgt_code, mode, nmt_val, nllb_sz, algn, llm)
+
         translate_btn.click(
             fn=handle_translate,
             inputs=[