fix: add delay in OnStackStart for status refresh timing

The goroutine fires immediately but needs the stack manager's
state to reflect 'running' before checking.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

controller/internal/integrations/lifecycle.go

@@ -2,6 +2,7 @@ package integrations
 
 import (
 	"context"
+	"time"
 
 	"gitea.dooplex.hu/admin/felhom-controller/internal/stacks"
 )
@@ -56,7 +57,12 @@ func (m *Manager) OnStackStop(_ context.Context, stackName string) {
 
 // OnStackStart is called when a stack starts.
 // Re-applies integrations that were previously enabled but are not currently active.
+// Waits briefly for the stack manager to refresh container state.
 func (m *Manager) OnStackStart(_ context.Context, stackName string) {
+	// Brief delay so the stack manager's periodic status refresh
+	// picks up the new container state (runs every 30s).
+	time.Sleep(5 * time.Second)
+
 	m.mu.Lock()
 	defer m.mu.Unlock()