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fix(webcrt): replay login banner/prompt on attach

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Drain and nudge the device prompt after Netmiko login, replay bootstrap stdout when the WebSocket attaches, and surface connect errors in the terminal pane.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
oliver 2026-07-29 18:54:59 +08:00
parent 8e3bed562f
commit 30f2db9708
6 changed files with 87 additions and 9 deletions
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7
web/src/components/WebTerminal.tsx
View file

@ -75,7 +75,6 @@ export function WebTerminal({ wsUrl, title, onStatus, onReady }: Props) {
ws.onopen = () => {
onStatusRef.current?.("open");
term.writeln("\x1b[32mConnected.\x1b[0m");
sendResize();
onReadyRef.current?.();
};
@ -87,6 +86,9 @@ export function WebTerminal({ wsUrl, title, onStatus, onReady }: Props) {
data?: string;
state?: string;
message?: string;
ne_name?: string;
ne_ip?: string;
protocol?: string;
};
if (msg.type === "stdout" && typeof msg.data === "string") {
term.write(msg.data);
@ -95,7 +97,8 @@ export function WebTerminal({ wsUrl, title, onStatus, onReady }: Props) {
if (msg.type === "status") {
onStatusRef.current?.(String(msg.state || ""), msg.message);
if (msg.state === "connected") {
// Server ack; keep terminal clean.
const where = [msg.ne_name || title, msg.ne_ip, msg.protocol].filter(Boolean).join(" · ");
term.writeln(`\x1b[90m--- session ready${where ? `: ${where}` : ""} ---\x1b[0m`);
return;
}
if (msg.state === "closed" || msg.state === "error") {

10
web/src/index.css
View file

@ -1741,6 +1741,16 @@ pre {
color: #fecaca;
}
.webcrt-error-detail {
margin: 8px 0 0;
max-width: 80%;
white-space: pre-wrap;
word-break: break-word;
font-size: 12px;
color: #fee2e2;
text-align: left;
}
.webcrt-statusline {
padding: 3px 8px;
background: #ececec;

9
web/src/pages/WebcrtPage.tsx
View file

@ -22,6 +22,7 @@ type TermTab = {
wsUrl: string;
target: CliTargetItem;
status: "connecting" | "connected" | "error" | "closed";
errorMessage?: string;
};
function targetKey(t: Pick<CliTargetItem, "source" | "id">): string {
@ -120,8 +121,9 @@ export function WebcrtPage() {
updateTab(key, { sessionId: sess.session_id, wsUrl, status: "connecting" });
showOk(t("webcrt.opened", { name: target.name || target.ip_address }));
} catch (err) {
updateTab(key, { status: "error" });
showError(webcrtErrorMessage(err, t));
const message = webcrtErrorMessage(err, t);
updateTab(key, { status: "error", errorMessage: message });
showError(message);
} finally {
connectingKeysRef.current.delete(key);
}
@ -344,7 +346,8 @@ export function WebcrtPage() {
) : null}
{tab.status === "error" && !tab.wsUrl ? (
<div className="webcrt-main__placeholder webcrt-main__placeholder--error">
{t("webcrt.status.error")}
<div>{t("webcrt.status.error")}</div>
{tab.errorMessage ? <pre className="webcrt-error-detail">{tab.errorMessage}</pre> : null}
</div>
) : null}
{tab.wsUrl ? (