Update requirements.txt

requirements.txt

@@ -5,7 +5,7 @@ uvicorn[standard]>=0.24.0
 python-multipart>=0.0.6
 
 # Strands Agents SDK with OpenAI provider support
-strands-agents[openai]>=1.0.0
+strands-agents[openai,anthropic]>=1.0.0
 
 # Gradio for web interface
 gradio>=4.0.0
@@ -16,13 +16,9 @@ httpx>=0.24.0
 # Environment variable management
 python-dotenv>=1.0.0
 
-# Confluence Integration (Optional but Recommended)
+# Confluence document integration (RAG)
 # ==================================================
 
-# Confluence document ingestion and RAG
-# Install with: pip install -r requirements-with-confluence.txt
-# Or: pip install confluence-ingestor[strands,huggingface,chroma]
-
 # confluence-ingestor[strands,huggingface,chroma]>=0.3.0
 
 # Vector store
@@ -32,6 +28,9 @@ chromadb>=1.4.0
 torch>=2.9.1
 sentence-transformers>=5.2.0
 
+# PDF text extractor
+pypdf>=6.6.0
+
 # Development/Production (Optional)
 # ==================================