fix(gui): re-enable hardware acceleration — remove blanket disableHardwareAcceleration()

cmd/gui/main.js

@@ -649,12 +649,6 @@ ipcMain.handle("shell:openPath", (_, p) => {
 // window control from renderer uses preload -> ipcMain above
 
 // ---------- bootstrap ----------
-// Defensive GPU handling: Electron's Chromium GPU process is a frequent
-// source of hard crashes (SIGSEGV) on Linux, especially on hybrid-GPU and
-// Wayland setups. The GUI host is an LLM management shell — a software
-// renderer is perfectly fine. Must run before app.whenReady.
-app.disableHardwareAcceleration();
-
 const gotLock = app.requestSingleInstanceLock();
 if (gotLock) {
   app.on("second-instance", () => {