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Mason Daugherty
d1f3afecdc
Fixed dcode hanging when its terminal was suspended or closed while it was running the built-in `langgraph dev` server. When dcode starts its built-in `langgraph dev` server, closing or suspending the terminal could stop the server unexpectedly and leave dcode hanging during cleanup. This PR separates the server from the terminal on macOS and Linux while keeping dcode responsible for shutting it down. --- ## Before dcode and its built-in server shared the same terminal session. Actions such as suspending dcode with Ctrl+Z or closing its terminal could therefore affect both processes at once. The server could stop before dcode had a chance to clean it up, which could leave dcode stuck. ## After The built-in server now runs in a separate session on macOS and Linux, so terminal signals intended for dcode no longer stop the server at the same time. When dcode exits, restarts the server, or encounters a startup failure, it still shuts down the server and any child processes it started. This separation matters in both directions: the server should not be accidentally stopped by the terminal, but it also must not be left running after dcode is gone. Shutdown first gives the full server process tree a chance to exit cleanly, then forces it to stop if necessary. Safety checks ensure dcode never signals its own process group. Windows behavior is unchanged. --- Made by [Open SWE](https://openswe.vercel.app/agents/0c752fd0-cfc3-0b00-87ba-fb1e67b483ce) --------- Co-authored-by: open-swe[bot] <open-swe@users.noreply.github.com>