Update environment variable name to ANTHROPIC_KEY consistently across test files

src/minimal_test.py

@@ -13,26 +13,26 @@ st.write("Available environment variables:", [k for k in os.environ.keys()])
 api_key = None
 
 # Try direct environment variable
-if 'ANTHROPIC_API_KEY' in os.environ:
-    api_key = os.environ['ANTHROPIC_API_KEY']
-    st.success("Found API key in os.environ['ANTHROPIC_API_KEY']")
+if 'ANTHROPIC_KEY' in os.environ:
+    api_key = os.environ['ANTHROPIC_KEY']
+    st.success("Found API key in os.environ['ANTHROPIC_KEY']")
 
 # Try getenv
 if not api_key:
-    api_key = os.getenv('ANTHROPIC_API_KEY')
+    api_key = os.getenv('ANTHROPIC_KEY')
     if api_key:
         st.success("Found API key using os.getenv()")
 
 # Try Streamlit secrets
-if not api_key and hasattr(st, 'secrets') and 'ANTHROPIC_API_KEY' in st.secrets:
-    api_key = st.secrets['ANTHROPIC_API_KEY']
+if not api_key and hasattr(st, 'secrets') and 'ANTHROPIC_KEY' in st.secrets:
+    api_key = st.secrets['ANTHROPIC_KEY']
     st.success("Found API key in Streamlit secrets")
 
 if not api_key:
     st.error("""
     ⚠️ No API key found. Please make sure:
     1. You've added the secret in Hugging Face Space settings
-    2. The secret is named exactly 'ANTHROPIC_API_KEY'
+    2. The secret is named exactly 'ANTHROPIC_KEY'
     3. The Space has been rebuilt after adding the secret
     """)
     st.stop()

src/test_api.py

@@ -6,7 +6,7 @@ st.title("Anthropic API Key Test")
 
 try:
     # Get API key from environment
-    api_key = os.getenv('ANTHROPIC_API_KEY')
+    api_key = os.getenv('ANTHROPIC_KEY')
     if not api_key:
         st.error("❌ No API key found in environment variables")
         st.stop()