feat: support explicit instance data deletion

cmd/chub/main.go

@@ -133,6 +133,12 @@ func runWindow(logger *slog.Logger) {
 		monitor:          exitMonitor,
 	}.Start, window.Invalidate)
 	shell.OnStopInstance(instanceStopper{launcher: launcher, managedProfiles: launcher, monitor: exitMonitor}.Stop, window.Invalidate)
+	dataRemover := files.NewInstanceDataRemover()
+	shell.OnDeleteInstanceData(instanceDataDeleter{
+		managedProfiles:  launcher,
+		externalProfiles: externalProfiles,
+		dataRemover:      dataRemover,
+	}.Delete, window.Invalidate)
 	shell.OnRefreshInstances(instanceStatusRefresher{
 		managedProfiles:  launcher,
 		externalProfiles: externalProfiles,
@@ -483,6 +489,43 @@ func (s instanceStatusRefresher) refreshOne(ctx context.Context, row ui.Instance
 	return result
 }
 
+type instanceDataDeleter struct {
+	managedProfiles  managedProfileInspector
+	externalProfiles browser.ExternalProfileInspector
+	dataRemover      files.InstanceDataRemover
+}
+
+func (d instanceDataDeleter) Delete(ctx context.Context, row ui.InstanceRow) error {
+	if err := ctx.Err(); err != nil {
+		return err
+	}
+	if d.managedProfiles == nil || d.externalProfiles == nil || d.dataRemover == nil {
+		return errors.New("实例数据删除服务尚未准备好")
+	}
+	if strings.TrimSpace(row.UserDataDir) == "" || !filepath.IsAbs(row.UserDataDir) {
+		return files.ErrUnsafeInstanceDataDirectory
+	}
+	kind, err := browserKind(row.Browser)
+	if err != nil {
+		return err
+	}
+	managed, err := d.managedProfiles.InspectProfile(ctx, row.UserDataDir)
+	if err != nil {
+		return fmt.Errorf("检查 Chub 实例占用失败：%w", err)
+	}
+	if managed.Occupied {
+		return domain.ErrProfileOccupied
+	}
+	external, err := d.externalProfiles.InspectProfile(ctx, kind, row.UserDataDir, row.PID)
+	if err != nil {
+		return fmt.Errorf("检查外部浏览器占用失败：%w", err)
+	}
+	if external.Occupied {
+		return domain.ErrProfileOccupied
+	}
+	return d.dataRemover.RemoveInstanceData(ctx, row.UserDataDir)
+}
+
 func (s instanceStarter) Start(ctx context.Context, row ui.InstanceRow, settings ui.SettingsState, launchGeneration uint64) (ui.InstanceStartOutcome, error) {
 	kind, err := browserKind(row.Browser)
 	if err != nil {