fix(stacks): pass prune option through the deploy pipeline [BE-12738] (#2098)

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

api/internal/testhelpers/stack_deployer.go

@@ -0,0 +1,61 @@
+package testhelpers
+
+import portainer "github.com/portainer/portainer/api"
+
+type TestStackDeployer struct {
+	DeployComposeCallCount int
+	DeploySwarmCallCount   int
+	LastPrune              bool
+}
+
+func NewTestStackDeployer() *TestStackDeployer {
+	return &TestStackDeployer{}
+}
+
+func (d *TestStackDeployer) DeployComposeStack(stack *portainer.Stack, endpoint *portainer.Endpoint, registries []portainer.Registry, prune, forcePullImage, forceRecreate bool) error {
+	d.DeployComposeCallCount++
+	d.LastPrune = prune
+	return nil
+}
+
+func (d *TestStackDeployer) DeploySwarmStack(stack *portainer.Stack, endpoint *portainer.Endpoint, registries []portainer.Registry, prune, pullImage bool) error {
+	d.DeploySwarmCallCount++
+	d.LastPrune = prune
+	return nil
+}
+
+func (d *TestStackDeployer) DeployKubernetesStack(stack *portainer.Stack, endpoint *portainer.Endpoint, user *portainer.User) error {
+	return nil
+}
+
+func (d *TestStackDeployer) DeployRemoteComposeStack(stack *portainer.Stack, endpoint *portainer.Endpoint, registries []portainer.Registry, prune, forcePullImage, forceRecreate bool) error {
+	return nil
+}
+
+func (d *TestStackDeployer) UndeployRemoteComposeStack(stack *portainer.Stack, endpoint *portainer.Endpoint) error {
+	return nil
+}
+
+func (d *TestStackDeployer) StartRemoteComposeStack(stack *portainer.Stack, endpoint *portainer.Endpoint, registries []portainer.Registry) error {
+	return nil
+}
+
+func (d *TestStackDeployer) StopRemoteComposeStack(stack *portainer.Stack, endpoint *portainer.Endpoint) error {
+	return nil
+}
+
+func (d *TestStackDeployer) DeployRemoteSwarmStack(stack *portainer.Stack, endpoint *portainer.Endpoint, registries []portainer.Registry, prune, pullImage bool) error {
+	return nil
+}
+
+func (d *TestStackDeployer) UndeployRemoteSwarmStack(stack *portainer.Stack, endpoint *portainer.Endpoint) error {
+	return nil
+}
+
+func (d *TestStackDeployer) StartRemoteSwarmStack(stack *portainer.Stack, endpoint *portainer.Endpoint, registries []portainer.Registry) error {
+	return nil
+}
+
+func (d *TestStackDeployer) StopRemoteSwarmStack(stack *portainer.Stack, endpoint *portainer.Endpoint) error {
+	return nil
+}