fix(docker): resolve docker by absolute path on macOS spawn; honest docker_available (#696)#697

Dumbris merged 2 commits into

mainsmart-mcp-proxy/mcpproxy-go:mainfrom

fix/mcp-2715-docker-spawn-pathsmart-mcp-proxy/mcpproxy-go:fix/mcp-2715-docker-spawn-pathCopy head branch name to clipboard