feat(apple): wake-until-up overlay + host edit with MAC prefill

- HostWaker + WakeOverlay: after sending the Wake-on-LAN packet, wait until the host
  is really back (resend + mDNS poll, timeout, cancel/retry) before connecting.
  macOS-only in practice — WoL stays gated off on iOS/tvOS pending the multicast
  entitlement.
- Add/Edit host sheet gains a Wake-on-LAN MAC field, prefilled from the stored MAC
  or the live mDNS advert; parseMacs validates aa:bb:cc:dd:ee:ff.
- Gamepad chrome/home and glass-style polish.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

clients/apple/Sources/PunktfunkClient/Home/HostCards.swift

@@ -89,6 +89,8 @@ struct HostCardView: View {
     /// Send a Wake-on-LAN magic packet. Shown only when the host is offline and we have a stored
     /// MAC to target (a tap-to-connect already auto-wakes; this is the explicit "just wake it").
     var onWake: (() -> Void)? = nil
+    /// Open the edit sheet (name / address / port / Wake-on-LAN MAC).
+    var onEdit: (() -> Void)? = nil
 
     var body: some View {
         let m = CardMetrics.current
@@ -136,6 +138,9 @@ struct HostCardView: View {
         #endif
         .disabled(isBusy)
         .contextMenu {
+            if let onEdit {
+                Button("Edit…", systemImage: "pencil", action: onEdit)
+            }
             Button("Pair with PIN…", action: onPair)
             Button("Test Network Speed…", action: onSpeedTest)
             if let onBrowseLibrary {