Clear stale unanswered calls before new invite

server/topic_test.go

@@ -530,6 +530,28 @@ func TestHandleBroadcastCallRequiresStructuredInvite(t *testing.T) {
 	}
 }
 
+func TestVideoCallStaleUnanswered(t *testing.T) {
+	now := time.Date(2026, time.September, 4, 10, 5, 0, 0, time.UTC)
+	call := &videoCall{
+		parties:   map[string]callPartyData{"origin": {isOriginator: true}},
+		startedAt: now.Add(-31 * time.Second),
+	}
+	if !call.isStaleUnanswered(now, 30) {
+		t.Fatal("unanswered call older than establishment timeout should be stale")
+	}
+
+	call.startedAt = now.Add(-29 * time.Second)
+	if call.isStaleUnanswered(now, 30) {
+		t.Fatal("unanswered call within establishment timeout should not be stale")
+	}
+
+	call.parties["callee"] = callPartyData{}
+	call.startedAt = now.Add(-31 * time.Second)
+	if call.isStaleUnanswered(now, 30) {
+		t.Fatal("accepted call must not be treated as stale by establishment timeout")
+	}
+}
+
 func TestHandleBroadcastDataGroup(t *testing.T) {
 	topicName := "grp-test"
 	numUsers := 4