fix(email): clarify provider capability states

job-tracker-ui/src/views/CorrespondenceInboxPage.tsx

@@ -50,6 +50,13 @@ type EmailProviderStatus = {
   canSend: boolean;
 };
 
+export function emailProviderStatusLabel(provider: EmailProviderStatus) {
+  if (!provider.connected) return `${provider.displayName}: Not connected`;
+  const identity = provider.address || "Connected account";
+  if (!provider.canRead) return `${provider.displayName}: ${identity} · Mailbox access unavailable`;
+  return `${provider.displayName}: ${identity}${provider.canSend ? " · Read + send" : " · Read only; reconnect to enable send"}`;
+}
+
 type EmailMessageDetail = {
   id: string;
   threadId: string;
@@ -94,6 +101,7 @@ export default function CorrespondenceInboxPage() {
   const { confirm } = useConfirm();
   const [items, setItems] = useState<CorrespondenceInboxItem[]>([]);
   const [providers, setProviders] = useState<EmailProviderStatus[]>([]);
+  const [providerStatusError, setProviderStatusError] = useState(false);
   const [selectedMessageId, setSelectedMessageId] = useState<number | null>(null);
   const [messageDetail, setMessageDetail] = useState<EmailMessageDetail | null>(null);
   const [detailLoading, setDetailLoading] = useState(false);
@@ -134,8 +142,14 @@ export default function CorrespondenceInboxPage() {
 
   useEffect(() => {
     api.get<EmailProviderStatus[]>("/email/providers")
-      .then((response) => setProviders(response.data ?? []))
-      .catch(() => setProviders([]));
+      .then((response) => {
+        setProviders(response.data ?? []);
+        setProviderStatusError(false);
+      })
+      .catch(() => {
+        setProviders([]);
+        setProviderStatusError(true);
+      });
   }, []);
 
   const filteredSummary = useMemo(() => {
@@ -346,10 +360,13 @@ export default function CorrespondenceInboxPage() {
             size="small"
             color={provider.connected ? "success" : "default"}
             variant="outlined"
-            label={`${provider.displayName}: ${provider.connected ? provider.address || "Connected" : "Not connected"}${provider.canSend ? " · Send access granted" : " · Read only"}`}
+            label={emailProviderStatusLabel(provider)}
           />
         ))}
       </Box>
+      {providerStatusError ? (
+        <Alert severity="warning" sx={{ mb: 2 }}>Email provider status is temporarily unavailable. Saved JobTracker correspondence remains available.</Alert>
+      ) : null}
 
       {view === "review" ? <GmailReviewPage embedded /> : <>
         <Box sx={{ display: "grid", gridTemplateColumns: { xs: "1fr", md: "2fr 1fr 1fr auto" }, gap: 1.25, mb: 2 }}>