up

internal/audio/recorder.go

@@ -221,27 +221,43 @@ func (r *Recorder) RestartQSO() {
 	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 {
+// TakeQSO snapshots the accumulated recording as raw 16 kHz mono PCM bytes and
+// stops accumulating — fast, no encoding. The next BeginQSO can safely start a
+// new take immediately. Pair with WritePCM to encode/write off the hot path so
+// a long recording doesn't delay logging.
+func (r *Recorder) TakeQSO() ([]byte, error) {
 	r.mu.Lock()
 	if !r.active {
 		r.mu.Unlock()
-		return fmt.Errorf("no active recording")
+		return nil, fmt.Errorf("no active recording")
 	}
 	samples := r.acc
 	r.acc, r.active = nil, false
 	r.mu.Unlock()
 	if len(samples) == 0 {
-		return fmt.Errorf("recording was empty")
+		return nil, fmt.Errorf("recording was empty")
 	}
-	data := int16sToBytes(samples)
+	return int16sToBytes(samples), nil
+}
+
+// WritePCM encodes raw 16 kHz mono PCM to path (WAV, or MP3 when path ends in
+// .mp3). Slow for MP3 — call off the logging path.
+func WritePCM(path string, data []byte) error {
 	if strings.HasSuffix(strings.ToLower(path), ".mp3") {
 		return writeMP3(path, data)
 	}
 	return writeWAV(path, data)
 }
 
+// SaveQSO snapshots and writes the recording in one call (synchronous).
+func (r *Recorder) SaveQSO(path string) error {
+	data, err := r.TakeQSO()
+	if err != nil {
+		return err
+	}
+	return WritePCM(path, data)
+}
+
 // DiscardQSO drops the active accumulation without saving (callsign cleared).
 func (r *Recorder) DiscardQSO() {
 	r.mu.Lock()

internal/email/email.go

@@ -16,6 +16,7 @@ type Config struct {
 	User       string
 	Password   string
 	From       string
+	ReplyTo    string // optional Reply-To: where replies should go (e.g. a personal inbox)
 	Encryption string // "ssl" | "starttls" | "none"
 	Auth       bool   // SMTP requires authorization (send username/password)
 }
@@ -57,6 +58,11 @@ func Send(cfg Config, to, subject, body, attachPath string) error {
 	if err := m.To(to); err != nil {
 		return fmt.Errorf("bad recipient %q: %w", to, err)
 	}
+	if cfg.ReplyTo != "" {
+		if err := m.ReplyTo(cfg.ReplyTo); err != nil {
+			return fmt.Errorf("bad reply-to %q: %w", cfg.ReplyTo, err)
+		}
+	}
 	m.Subject(subject)
 	m.SetBodyString(mail.TypeTextPlain, body)
 	if attachPath != "" {

internal/qslcard/placement.go

@@ -255,7 +255,7 @@ func (HeuristicEngine) Propose(photos []PhotoAnalysis, profile ProfileInfo) ([]T
 		cool:    sorted[0].Warmth < 0.02,
 	}
 	if len(sorted) > 1 {
-		plan.inserts = sorted[1:min(len(sorted), 3)] // hero + up to 2 inserts
+		plan.inserts = sorted[1:min(len(sorted), 5)] // hero + up to 4 inserts
 	}
 
 	// Only side-column inserts (or none): a bottom strip collides with the QSO
@@ -671,9 +671,19 @@ func placeInserts(inserts []PhotoAnalysis, hero PhotoAnalysis, archetype string)
 		return els, pxRect{x: margin, y: cardH - 380, w: cardW - 2*margin, h: 380 - margin}
 	}
 
-	// Side column: pick the calmer half of the hero photo.
-	n := min(len(inserts), 3)
-	w, gap, margin := 400.0, 20.0, 70.0
+	// Side column: pick the calmer half of the hero photo. The insert width
+	// shrinks as needed so up to 4 framed photos stack down the side.
+	n := min(len(inserts), 4)
+	gap, margin := 20.0, 70.0
+	availH := float64(cardH) - 2*margin - float64(n-1)*gap
+	var arSum float64
+	for i := 0; i < n; i++ {
+		arSum += float64(inserts[i].H) / float64(inserts[i].W)
+	}
+	w := 400.0
+	if arSum > 0 {
+		w = clamp(availH/arSum, 240, 400) // fit all n vertically, within sane bounds
+	}
 	left := halfDetail(hero, true) < halfDetail(hero, false)
 	x := cardW - w - margin
 	if left {

internal/qslcard/template.go

@@ -106,6 +106,8 @@ type FxParams struct {
 	Grunge *float64 `json:"grunge,omitempty"`
 	Bevel  *float64 `json:"bevel,omitempty"`
 	Seed   *float64 `json:"seed,omitempty"`
+	Dark   string   `json:"dark,omitempty"`  // dark inter-letter edge (per colour palette)
+	Outer  string   `json:"outer,omitempty"` // silver/rim colour (glossy)
 }
 
 // setKeys lists the JSON names of the params that are actually set, for