diff --git a/src/resources/extensions/sf/auto.js b/src/resources/extensions/sf/auto.js
index d23393337..dad4bdc99 100644
--- a/src/resources/extensions/sf/auto.js
+++ b/src/resources/extensions/sf/auto.js
@@ -1470,10 +1470,13 @@ export async function startAuto(ctx, pi, base, verboseMode, options) {
 	// Skip if workMode is already "build" — runControl is reset to "manual" on
 	// autonomous stop but workMode persists, so this avoids a spurious prompt
 	// for users who stay in Build mode between autonomous runs.
+	// Skip in headless mode — the user already consented by calling /next or
+	// /autonomous explicitly; showing a TUI confirm dialog would block forever.
 	if (
 		s.runControl === "manual" &&
 		s.workMode !== "build" &&
-		!options?.skipModeGate
+		!options?.skipModeGate &&
+		process.env.SF_HEADLESS !== "1"
 	) {
 		const confirmed = await showConfirm(ctx, {
 			title: "Switch to Build mode?",