Fix HuggingFace Space deployment issues

- Downgrade to Gradio 4.44.0 for HF compatibility
- Add better error handling for IdeaGenerator initialization
- Improve debugging output for deployment issues
- Handle missing API keys gracefully

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

README.md

@@ -4,7 +4,7 @@ emoji: 🚀
 colorFrom: purple
 colorTo: pink
 sdk: gradio
-sdk_version: 5.4.0
+sdk_version: 4.44.0
 app_file: app.py
 pinned: false
 license: mit

app.py

@@ -19,12 +19,20 @@ BAD_IDEAS_FILE = 'bad_ideas.jsonl'
 SLEEP_TIME = 2
 
 initialization_error = None
+generator = None
 try:
     generator = IdeaGenerator()
+    print("✅ IdeaGenerator initialized successfully")
 except Exception as e:
-    initialization_error = str(e)
+    initialization_error = f"IdeaGenerator initialization failed: {str(e)}"
+    print(f"⚠️ {initialization_error}")
+    generator = None
 
 def generate_and_evaluate(query, ideas_count, random_seed, progress=gr.Progress()):
+    if generator is None:
+        yield "❌ Generator not initialized. Please check your API keys.", pd.DataFrame(), "$0.00", [], pd.DataFrame()
+        return
+    
     generator.set_seed(random_seed)
     start_time = time.time()
     yield "Loading papers...", pd.DataFrame(), "$0.00", None, pd.DataFrame()

requirements.txt

@@ -1,9 +1,9 @@
+gradio==4.44.0
 openai
 tiktoken
 anthropic
 backoff
 PyPDF2
 xlsxwriter
-gradio
 pandas
 requests