Watch: what changed on Recent cards and the thread screen, search in All threads, a switching complication with Allow and Deny in the Smart Stack, and question options on notifications

watch/WristCode/Shared/SharedState.swift

@@ -1,6 +1,7 @@
 // What the app tells the complication besides the credentials: whether it is in demo mode, and the
 // last summary it saw, which the complication shows when it cannot reach the gateway. Both live in
-// the shared Keychain group next to the device token, the one store the two processes share.
+// the shared Keychain group next to the device token, the one store the two processes share. `api`
+// is the gateway the complication and its Allow and Deny buttons call.
 
 import Foundation
 
@@ -14,6 +15,12 @@ enum SharedState {
         set { DeviceStore.setSharedData(newValue ? Data([1]) : nil, account: demoAccount) }
     }
 
+    /// The demo gateway in demo mode, the paired gateway otherwise, and nil when not paired.
+    static var api: (any GatewayAPI)? {
+        if demo { return DemoGateway.shared }
+        return DeviceStore.load().map { GatewayClient(baseURL: $0.gatewayURL, token: $0.token) }
+    }
+
     /// The last summary the app or the complication saw, or nil after signing out.
     static var lastSummary: Summary? {
         get { DeviceStore.sharedData(summaryAccount).flatMap { try? JSON.decoder().decode(Summary.self, from: $0) } }