ANTHROPIC_API_KEY=<your_key_here>
OPENAI_API_KEY=<your_key_here>
ELEVENLABS_API_KEY=<your_key_here>
DEEPGRAM_API_KEY=<your_key_here>

# Required for banking_knowledge qwen_embeddings* retrieval configs (via OpenRouter)
OPENROUTER_API_KEY=<your_key_here>