fix: redirect print() to stderr for stdio MCP transport

print() statements to stdout were corrupting the JSON-RPC protocol
when using stdio transport, causing "connection closed: initialize
response" error. All diagnostic messages now go to stderr.

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

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

config.toml

@@ -2,6 +2,10 @@ model_provider = "litellm"
 # model = "anthropic/claude-sonnet-4-5-20250929"
 model = "hosted_vllm/meta-llama/Llama-3.1-8B-Instruct"
 
+# Override litellm provider to set max_tokens
+[model_providers.litellm]
+max_tokens = 8192
+
 [projects."/home/valknar"]
 trust_level = "trusted"