app: leave SIGHUP alone so nohup keeps the app running (#248 follow-up)

#445 also closed the window on SIGHUP, which overrides the SIG_IGN that
`nohup fieldcraft &` sets so the app outlives its terminal. A safe API cannot
ask whether a signal was ignored at launch, so SIGHUP keeps its default.
SIGTERM and SIGINT still close the window the normal way.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo
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jyvikoandClaude Opus 5.5 authored and Irakli Kourtis committed 2026-10-16 00:47:35 -04:00
1 parent 9a30c7d9ed
commit 7a5363e07b
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@@ -268,7 +268,7 @@ fn main() -> eframe::Result {
log::info!("graphics {:?} {} ({}), MSAA {}x (requested {MSAA}x)", info.backend, info.name, info.driver, rs.msaa_samples);
app.set_wgpu(rs, DEPTH_BITS, rs.msaa_samples, &cc.egui_ctx);
}
// `kill`, Ctrl-C or a logout closes the window as Close does: autosaved, no crash (#248).
// `kill` or Ctrl-C closes the window as Close does: autosaved, no crash (#248).
let ctx = cc.egui_ctx.clone();
if let Err(e) = terminate::watch(move || {
ctx.send_viewport_cmd(egui::ViewportCommand::Close);