1 files changed, 20 insertions, 8 deletions
diff --git a/internal/engine/tick.go b/internal/engine/tick.go
index 8c64cdd..e2e7343 100644
--- a/internal/engine/tick.go
+++ b/internal/engine/tick.go
@@ -20,14 +20,15 @@ type subscriber struct {
 }
 
 type Engine struct {
-	tickMu      sync.Mutex // serializes manual ticks and successive ticker runs
-	mu          sync.Mutex
-	subscribers map[uint64]*subscriber
-	nextID      uint64
-	ticker      *time.Ticker
-	running     bool
-	stopCh      chan struct{}
-	loopDone    chan struct{}
+	tickMu       sync.Mutex // serializes manual ticks and successive ticker runs
+	mu           sync.Mutex
+	subscribers  map[uint64]*subscriber
+	nextID       uint64
+	ticker       *time.Ticker
+	running      bool
+	tickLengthMs int
+	stopCh       chan struct{}
+	loopDone     chan struct{}
 }
 
 func New() *Engine {
@@ -36,6 +37,16 @@ func New() *Engine {
 	}
 }
 
+// TickLengthMilliseconds reports the configured cadence for countdown displays.
+func (e *Engine) TickLengthMilliseconds() int {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	if e.tickLengthMs == 0 {
+		return 600
+	}
+	return e.tickLengthMs
+}
+
 func (e *Engine) Subscribe(interval int, cb Callback) uint64 {
 	e.mu.Lock()
 	defer e.mu.Unlock()
@@ -64,6 +75,7 @@ func (e *Engine) Start(tickLengthMs int) {
 	if tickLengthMs < 50 {
 		tickLengthMs = 50
 	}
+	e.tickLengthMs = tickLengthMs
 	e.ticker = time.NewTicker(time.Duration(tickLengthMs) * time.Millisecond)
 	e.stopCh = make(chan struct{})
 	// Capture this run's resources. A quick Stop/Start must not make the