chore: merge branch 'master' into v2-exp

spinner/spinner.go

@@ -1,7 +1,7 @@
 package spinner
 
 import (
-	"sync"
+	"sync/atomic"
 	"time"
 
 	tea "github.com/charmbracelet/bubbletea/v2"
@@ -10,17 +10,10 @@ import (
 
 // Internal ID management. Used during animating to ensure that frame messages
 // are received only by spinner components that sent them.
-var (
-	lastID int
-	idMtx  sync.Mutex
-)
+var lastID int64
 
-// Return the next ID we should use on the Model.
 func nextID() int {
-	idMtx.Lock()
-	defer idMtx.Unlock()
-	lastID++
-	return lastID
+	return int(atomic.AddInt64(&lastID, 1))
 }
 
 // Spinner is a set of frames used in animating the spinner.