Gateway: multi-select answers and a summary endpoint for the complication

gateway/src/contract.ts

@@ -30,6 +30,8 @@ export interface PendingRequest {
     question: string;
     options: Array<{ label: string; value: string }>;
     allowCustomAnswer: boolean;
+    /** When true, answer with an array of option values. */
+    multiSelect: boolean;
   }>;
 }
 
@@ -47,6 +49,15 @@ export interface FeedItem {
   request: PendingRequest | null;
 }
 
+/** Counts for the watch face complication. Cheap: no thread pages are read. */
+export interface Summary {
+  needsYou: number;
+  working: number;
+  /** The thread that has waited longest for you, if any. */
+  next: { hostId: string; threadId: string; title: string; hostLabel: string } | null;
+  hostsOffline: number;
+}
+
 export interface Feed {
   /** Waiting for approval or input. Oldest request first. */
   needsYou: FeedItem[];
@@ -106,7 +117,8 @@ export interface SendMessageRequest {
 
 export type RespondRequest =
   | { requestId: string; decision: ApprovalDecision }
-  | { requestId: string; answers: Record<string, string> };
+  /** Per question id: an option value, a typed answer, or for multi-select questions an array of option values. */
+  | { requestId: string; answers: Record<string, string | string[]> };
 
 export interface NewThreadRequest {
   hostId: string;