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internal/audio/recorder.go

@@ -206,6 +206,21 @@ func (r *Recorder) BeginQSO() {
 	r.active = true
 }
 
+// RestartQSO begins a fresh accumulation even if one is already active —
+// re-seeding from the pre-roll ring. Used when the target QSO changes (a new
+// call+freq from a clicked spot or an external app) so the previous take is
+// dropped and a new one starts from the pre-roll, rather than continuing to
+// accumulate the old contact.
+func (r *Recorder) RestartQSO() {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	if !r.running {
+		return
+	}
+	r.acc = append([]int16(nil), r.ring...)
+	r.active = true
+}
+
 // SaveQSO writes the accumulated recording to path as a WAV and stops
 // accumulating. Returns an error if no recording was active.
 func (r *Recorder) SaveQSO(path string) error {