- Make logs go to stderr by default (keep LSP stdout clean). - Add --log-stderr/--log-stdout flags and wire config.use_stderr into spdlog. - Log an explicit message when waiting for LSP input on stdin.
- Make logs go to stderr by default (keep LSP stdout clean). - Add --log-stderr/--log-stdout flags and wire config.use_stderr into spdlog. - Log an explicit message when waiting for LSP input on stdin.