feat(ssh-terminal): add host setting to turn off password prompt auto-fill

plugins/ssh-terminal/src/frontend/terminal/Terminal.tsx

@@ -1262,6 +1262,8 @@ const TerminalInner = forwardRef<TerminalHandle, SSHTerminalProps>(
     }
 
     function maybeOfferPasswordFill(strippedData: string) {
+      if (hostConfig.terminalConfig?.passwordPromptAutoFill === false) return;
+
       // PTY output can split a short prompt like "[sudo] password for user: "
       // across multiple WebSocket chunks, so match against a rolling buffer
       // of recent output rather than each chunk in isolation.

plugins/ssh-terminal/src/frontend/types.ts

@@ -28,6 +28,7 @@ export interface TerminalConfig {
   startupSnippetId: number | null;
   autoMosh: boolean;
   moshCommand: string;
+  passwordPromptAutoFill?: boolean;
   sudoPasswordAutoFill: boolean;
   sudoPassword?: string | null;
   keepaliveInterval?: number;

src/types/index.ts

@@ -377,6 +377,7 @@ export interface TerminalConfig {
   startupSnippetId: number | null;
   autoMosh: boolean;
   moshCommand: string;
+  passwordPromptAutoFill?: boolean;
   sudoPasswordAutoFill: boolean;
   sudoPassword?: string | null;
   keepaliveInterval?: number;

src/ui/lib/terminal-themes.ts

@@ -856,6 +856,7 @@ export const DEFAULT_TERMINAL_CONFIG = {
   startupSnippetId: null as number | null,
   autoMosh: false,
   moshCommand: "mosh-server new -s -l LANG=en_US.UTF-8",
+  passwordPromptAutoFill: true,
   sudoPasswordAutoFill: false,
   keepaliveInterval: undefined as number | undefined,
   keepaliveCountMax: undefined as number | undefined,

src/ui/locales/en.json

@@ -567,6 +567,8 @@
     "linkClickBehaviorDefault": "Default (follow app setting)",
     "linkClickBehaviorConfirm": "Show popup to open or copy",
     "linkClickBehaviorDirect": "Open directly",
+    "passwordPromptAutoFillLabel": "Offer Password Auto-fill",
+    "passwordPromptAutoFillDesc": "Offer to fill in the saved password when the terminal asks for one. Turn off to never auto-fill any password on this host.",
     "sudoPasswordAutoFillLabel": "Sudo Password Auto-fill",
     "sudoPasswordAutoFillShortDesc": "Automatically provide sudo password when prompted",
     "sudoPasswordAutoFillDesc": "Store a sudo password so host metrics, terminal prompts, and others can run privileged commands automatically.",

src/ui/sidebar/HostEditor.tsx

@@ -1005,6 +1005,15 @@ export function HostEditor({
                       onChange={(v) => setField("allowLegacyAlgorithms", v)}
                     />
                   </SettingRow>
+                  <SettingRow
+                    label={t("hosts.passwordPromptAutoFillLabel")}
+                    description={t("hosts.passwordPromptAutoFillDesc")}
+                  >
+                    <FakeSwitch
+                      checked={form.passwordPromptAutoFill}
+                      onChange={(v) => setField("passwordPromptAutoFill", v)}
+                    />
+                  </SettingRow>
                   <SettingRow
                     label={t("hosts.sudoPasswordAutoFillLabel")}
                     description={t("hosts.sudoPasswordAutoFillDesc")}

src/ui/sidebar/HostEditorData.ts

@@ -200,6 +200,8 @@ export function createHostEditorForm(
     agentForwarding: host?.terminalConfig?.agentForwarding ?? false,
     autoMosh: host?.terminalConfig?.autoMosh ?? false,
     autoTmux: host?.terminalConfig?.autoTmux ?? d?.autoTmux ?? false,
+    passwordPromptAutoFill:
+      host?.terminalConfig?.passwordPromptAutoFill ?? true,
     sudoPasswordAutoFill: host?.terminalConfig?.sudoPasswordAutoFill ?? false,
     sudoPassword: host?.hasSudoPassword
       ? "existing_sudo_password"
@@ -344,6 +346,7 @@ export function buildHostEditorPayload(
     agentForwarding: form.agentForwarding,
     autoMosh: form.autoMosh,
     autoTmux: form.autoTmux,
+    passwordPromptAutoFill: form.passwordPromptAutoFill,
     sudoPasswordAutoFill: form.sudoPasswordAutoFill,
     sudoPassword:
       form.sudoPassword === "existing_sudo_password"

src/ui/tests/sidebar/HostEditorData.test.ts

@@ -278,6 +278,18 @@ describe("buildHostEditorPayload auth field isolation", () => {
     expect(tc?.sudoPasswordAutoFill).toBe(true);
     expect(tc?.sudoPassword).toBe("sudo-secret");
   });
+
+  it("defaults password prompt autofill on and saves it when turned off", () => {
+    expect(createHostEditorForm(null).passwordPromptAutoFill).toBe(true);
+
+    const form = {
+      ...createHostEditorForm(null),
+      passwordPromptAutoFill: false,
+    };
+    const payload = buildHostEditorPayload(form, sshOnly);
+
+    expect(payload.terminalConfig?.passwordPromptAutoFill).toBe(false);
+  });
 });
 
 describe("sudo password persistence indicator", () => {