Update agents.py

agents.py

@@ -3,13 +3,18 @@ import anthropic
 import json
 import os
 
-# Initialize the Claude client with API key from environment or Streamlit secrets
-api_key = os.environ.get("ANTHROPIC_API_KEY")
-if not api_key and hasattr(st, "secrets") and "ANTHROPIC_API_KEY" in st.secrets:
-    api_key = st.secrets["ANTHROPIC_API_KEY"]
-
-# Create the client
-client = anthropic.Anthropic(api_key=api_key)
+# Initialize the Claude client with API key from environment (Huggingface secrets)
+api_key = os.getenv("ANTHROPIC_API_KEY")
+if not api_key:
+    st.sidebar.error("ANTHROPIC_API_KEY not found in environment variables")
+    client = None
+else:
+    # Create the client
+    try:
+        client = anthropic.Anthropic(api_key=api_key)
+    except Exception as e:
+        st.sidebar.error(f"Error initializing Anthropic API: {str(e)}")
+        client = None
 
 def enhance_slide_component(slide, component, instruction=None):
     """Enhance a specific component of a slide using Claude API"""
@@ -47,7 +52,7 @@ def enhance_title(slide, instruction=None):
     
     try:
         response = client.messages.create(
-            model="claude-3-sonnet-20240229",
+            model="claude-3-7-sonnet-20250219",
             max_tokens=100,
             temperature=0.7,
             system="You are an expert presentation title specialist. Respond only with the revised title.",
@@ -91,7 +96,7 @@ def enhance_content(slide, instruction=None):
     
     try:
         response = client.messages.create(
-            model="claude-3-sonnet-20240229",
+            model="claude-3-7-sonnet-20250219",
             max_tokens=500,
             temperature=0.7,
             system="You are an expert presentation content specialist. Respond with a JSON array of bullet points.",
@@ -146,7 +151,7 @@ def enhance_visuals(slide, instruction=None):
     
     try:
         response = client.messages.create(
-            model="claude-3-sonnet-20240229",
+            model="claude-3-7-sonnet-20250219",
             max_tokens=300,
             temperature=0.7,
             system="You are an expert presentation visual designer. Respond with a JSON array of visual element recommendations.",
@@ -200,7 +205,7 @@ def enhance_notes(slide, instruction=None):
     
     try:
         response = client.messages.create(
-            model="claude-3-sonnet-20240229",
+            model="claude-3-7-sonnet-20250219",
             max_tokens=500,
             temperature=0.7,
             system="You are an expert presentation coach. Provide comprehensive presenter notes.",
@@ -247,7 +252,7 @@ def enhance_structure(slide, instruction=None):
     
     try:
         response = client.messages.create(
-            model="claude-3-sonnet-20240229",
+            model="claude-3-7-sonnet-20250219",
             max_tokens=400,
             temperature=0.7,
             system="You are an expert presentation structure specialist. Respond with a JSON object containing layout recommendations.",