fix: remove dead code (toast stubs, unused Redis key, tunnel manager fields)

- Remove 7 no-op exported stubs from toast.tsx (ToastProvider, ToastViewport,
  Toast, ToastTitle, ToastDescription, ToastClose, useToasts) — nothing imports them
- Remove fwFailKey variable and its Set() call from worker.go — the
  firmware:check-failed Redis key was never read anywhere
- Remove unused deviceStore and credCache fields from tunnel.Manager struct
  and drop corresponding parameters from NewManager(); update call site in
  main.go and all test usages

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

poller/cmd/poller/main.go

@@ -196,8 +196,6 @@ func main() {
 		cfg.TunnelPortMin,
 		cfg.TunnelPortMax,
 		time.Duration(cfg.TunnelIdleTimeout)*time.Second,
-		deviceStore,
-		credentialCache,
 	)
 	defer tunnelMgr.Shutdown()
 	slog.Info("tunnel manager initialized",

poller/internal/poller/worker.go

@@ -390,10 +390,6 @@ func PollDevice(
 				slog.Warn("firmware check failed", "device_id", dev.ID, "error", fwErr)
 				// Set cooldown on failure too, but shorter (6h) so we retry sooner than success (24h).
 				// Prevents hammering devices that can't reach MikroTik update servers every poll cycle.
-				fwFailKey := fmt.Sprintf("firmware:check-failed:%s", dev.ID)
-				if err := redisClientForFirmware.Set(ctx, fwFailKey, "1", 6*time.Hour).Err(); err != nil {
-					slog.Warn("Redis SET failed", "key", fwFailKey, "error", err)
-				}
 				// Also set the main checked key to prevent the success path from re-checking.
 				if err := redisClientForFirmware.Set(ctx, fwCacheKey, "1", 6*time.Hour).Err(); err != nil {
 					slog.Warn("Redis SET failed", "key", fwCacheKey, "error", err)

poller/internal/tunnel/manager.go

@@ -9,8 +9,6 @@ import (
 	"time"
 
 	"github.com/google/uuid"
-	"github.com/staack/the-other-dude/poller/internal/store"
-	"github.com/staack/the-other-dude/poller/internal/vault"
 )
 
 // OpenTunnelResponse is returned by Manager.OpenTunnel.
@@ -32,26 +30,22 @@ type TunnelStatus struct {
 // Manager orchestrates the lifecycle of WinBox tunnels: open, close, idle
 // cleanup, and status queries.
 type Manager struct {
-	mu          sync.Mutex
-	tunnels     map[string]*Tunnel
-	portPool    *PortPool
-	idleTime    time.Duration
-	deviceStore *store.DeviceStore
-	credCache   *vault.CredentialCache
-	cancel      context.CancelFunc
+	mu       sync.Mutex
+	tunnels  map[string]*Tunnel
+	portPool *PortPool
+	idleTime time.Duration
+	cancel   context.CancelFunc
 }
 
 // NewManager creates a Manager with ports in [portMin, portMax] and an idle
-// timeout of idleTime. deviceStore and credCache may be nil for tests.
-func NewManager(portMin, portMax int, idleTime time.Duration, ds *store.DeviceStore, cc *vault.CredentialCache) *Manager {
+// timeout of idleTime.
+func NewManager(portMin, portMax int, idleTime time.Duration) *Manager {
 	ctx, cancel := context.WithCancel(context.Background())
 	m := &Manager{
-		tunnels:     make(map[string]*Tunnel),
-		portPool:    NewPortPool(portMin, portMax),
-		idleTime:    idleTime,
-		deviceStore: ds,
-		credCache:   cc,
-		cancel:      cancel,
+		tunnels:  make(map[string]*Tunnel),
+		portPool: NewPortPool(portMin, portMax),
+		idleTime: idleTime,
+		cancel:   cancel,
 	}
 	go m.idleLoop(ctx)
 	return m

poller/internal/tunnel/manager_test.go

@@ -12,7 +12,7 @@ func TestManager_OpenTunnel(t *testing.T) {
 	routerAddr, cleanup := mockRouter(t)
 	defer cleanup()
 
-	mgr := NewManager(49000, 49010, 5*time.Minute, nil, nil)
+	mgr := NewManager(49000, 49010, 5*time.Minute)
 	defer mgr.Shutdown()
 
 	resp, err := mgr.OpenTunnel("dev-1", "ten-1", "usr-1", routerAddr)
@@ -26,7 +26,7 @@ func TestManager_CloseTunnel(t *testing.T) {
 	routerAddr, cleanup := mockRouter(t)
 	defer cleanup()
 
-	mgr := NewManager(49000, 49010, 5*time.Minute, nil, nil)
+	mgr := NewManager(49000, 49010, 5*time.Minute)
 	defer mgr.Shutdown()
 
 	resp, _ := mgr.OpenTunnel("dev-1", "ten-1", "usr-1", routerAddr)
@@ -43,7 +43,7 @@ func TestManager_PortExhaustion(t *testing.T) {
 	routerAddr, cleanup := mockRouter(t)
 	defer cleanup()
 
-	mgr := NewManager(49000, 49001, 5*time.Minute, nil, nil) // 2 ports
+	mgr := NewManager(49000, 49001, 5*time.Minute) // 2 ports
 	defer mgr.Shutdown()
 
 	_, err := mgr.OpenTunnel("dev-1", "ten-1", "usr-1", routerAddr)
@@ -58,7 +58,7 @@ func TestManager_IdleCleanup(t *testing.T) {
 	routerAddr, cleanup := mockRouter(t)
 	defer cleanup()
 
-	mgr := NewManager(49000, 49010, 100*time.Millisecond, nil, nil) // very short idle
+	mgr := NewManager(49000, 49010, 100*time.Millisecond) // very short idle
 	defer mgr.Shutdown()
 
 	resp, _ := mgr.OpenTunnel("dev-1", "ten-1", "usr-1", routerAddr)
@@ -73,7 +73,7 @@ func TestManager_StatusList(t *testing.T) {
 	routerAddr, cleanup := mockRouter(t)
 	defer cleanup()
 
-	mgr := NewManager(49000, 49010, 5*time.Minute, nil, nil)
+	mgr := NewManager(49000, 49010, 5*time.Minute)
 	defer mgr.Shutdown()
 
 	mgr.OpenTunnel("dev-1", "ten-1", "usr-1", routerAddr)