feat(ui): name controls and preserve modal state

job-tracker-ui/src/confirm.tsx

@@ -1,4 +1,4 @@
-import React, { createContext, useCallback, useContext, useMemo, useRef, useState } from "react";
+import React, { createContext, useCallback, useContext, useId, useMemo, useRef, useState } from "react";
 import { Alert, Button, Dialog, DialogActions, DialogContent, DialogTitle, Typography } from "@mui/material";
 import { useOptionalI18n } from "./i18n/I18nProvider";
 
@@ -22,6 +22,7 @@ const ConfirmContext = createContext<ConfirmContextValue | null>(null);
 
 export function ConfirmProvider({ children }: { children: React.ReactNode }) {
   const i18n = useOptionalI18n();
+  const messageId = useId();
   const resolverRef = useRef<((value: boolean) => void) | null>(null);
   const [state, setState] = useState<ConfirmState>({
     open: false,
@@ -58,7 +59,7 @@ export function ConfirmProvider({ children }: { children: React.ReactNode }) {
   return (
     <ConfirmContext.Provider value={value}>
       {children}
-      <Dialog open={state.open} onClose={() => closeWith(false)} fullWidth maxWidth="xs"
+      <Dialog open={state.open} onClose={() => closeWith(false)} aria-describedby={messageId} fullWidth maxWidth="xs"
         slotProps={{ paper: { sx: { borderRadius: 3, border: 1, borderColor: "divider", backgroundImage: "none" } } }}>
         <DialogTitle sx={{ pb: 1, fontWeight: 800 }}>{state.title}</DialogTitle>
         <DialogContent>
@@ -67,10 +68,10 @@ export function ConfirmProvider({ children }: { children: React.ReactNode }) {
               ? i18n?.t("confirmDestructiveHint") ?? "This action may be hard to undo."
               : i18n?.t("confirmStandardHint") ?? "Please confirm this action."}
           </Alert>
-          <Typography sx={{ color: "text.secondary" }}>{state.message}</Typography>
+          <Typography id={messageId} sx={{ color: "text.secondary" }}>{state.message}</Typography>
         </DialogContent>
         <DialogActions sx={{ px: 3, pb: 2.5, gap: 1 }}>
-          <Button 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>