diff --git a/cmd/nomos/continue.go b/cmd/nomos/continue.go
index 072cf74..ac532b7 100644
--- a/cmd/nomos/continue.go
+++ b/cmd/nomos/continue.go
@@ -176,6 +176,21 @@ func (a *agent) resumeSession(ctx context.Context, sessionID, note string) {
 
 	if errText != "" && finalText == "" {
 		slog.Error("nomos: resume produced no response after retry", "session", sessionID, "error", errText)
+		// Give the task a real, operator-visible terminal state instead of
+		// leaving it silently stuck at whatever status it was in (typically
+		// 'executing' or 'awaiting_input') forever. Before this, a
+		// permanently-failed resume was invisible beyond a log line — the
+		// task board just showed a task that never changed, with nothing
+		// telling the operator it needed attention. Marking it failed here
+		// doesn't prevent the operator from continuing to work the task via
+		// a fresh chat message afterward; it just stops the silent hang.
+		summary := fmt.Sprintf("Auto-resume failed after retrying: %s", errText)
+		if len(summary) > 200 {
+			summary = summary[:200] + "…"
+		}
+		if cerr := a.store.completeTask(context.Background(), sessionID, "failure", summary); cerr != nil {
+			slog.Error("nomos: failed to mark task failed after resume gave up", "session", sessionID, "error", cerr)
+		}
 	}
 	persist() // final state — same row, updated one last time with the concluding text
 }