`thv mcp list tools` does not work with streamable HTTP servers.

[dave-dixon-ck]

Bug description

thv mcp list tools does not work with streamable HTTP servers.

Steps to reproduce

1. thv run fetch
2. thv list, copy URL.
3. thv mcp list tools --server <URL>

Expected behavior

List of available tools for the fetch server.

Actual behavior

Error: failed to start MCP transport: failed to connect to SSE stream: Get "http://127.0.0.1:36258/mcp": context deadline exceeded

Environment (if relevant)

• OS/version: MacOS 15.5
• ToolHive version: 0.2.0

Additional context

N/A