fix(a11y): preserve keyboard focus during confirmation transitions

job-tracker-ui/src/confirm.tsx

@@ -25,7 +25,6 @@ export function ConfirmProvider({ children }: { children: React.ReactNode }) {
   const messageId = useId();
   const titleId = useId();
   const resolverRef = useRef<((value: boolean) => void) | null>(null);
-  const cancelButtonRef = useRef<HTMLButtonElement>(null);
   const [state, setState] = useState<ConfirmState>({
     open: false,
     message: "",
@@ -64,7 +63,6 @@ export function ConfirmProvider({ children }: { children: React.ReactNode }) {
       <Dialog open={state.open} onClose={() => closeWith(false)} aria-labelledby={titleId} aria-describedby={messageId} fullWidth maxWidth="xs"
         slotProps={{
           paper: { sx: { borderRadius: 3, border: 1, borderColor: "divider", backgroundImage: "none" } },
-          transition: { onEntered: () => cancelButtonRef.current?.focus() },
         }}>
         <DialogTitle id={titleId} sx={{ pb: 1, fontWeight: 800 }}>{state.title}</DialogTitle>
         <DialogContent role="region" aria-labelledby={titleId} tabIndex={0}>
@@ -76,7 +74,7 @@ export function ConfirmProvider({ children }: { children: React.ReactNode }) {
           <Typography id={messageId} sx={{ color: "text.secondary" }}>{state.message}</Typography>
         </DialogContent>
         <DialogActions sx={{ px: 3, pb: 2.5, gap: 1 }}>
-          <Button ref={cancelButtonRef} autoFocus onClick={() => closeWith(false)}>{state.cancelLabel}</Button>
+          <Button autoFocus onClick={() => closeWith(false)}>{state.cancelLabel}</Button>
           <Button color={state.destructive ? "error" : "primary"} variant="contained" onClick={() => closeWith(true)}>
             {state.confirmLabel}
           </Button>