feat: improve API keys and build workflows

shared/api.ts

@@ -244,7 +244,8 @@ export type ApiKey = {
   username: string;
   capabilities: Capability[];
   workspace?: string;
-  expiresAt: string;
+  /** Absent for a key that never expires. */
+  expiresAt?: string;
   disabled: boolean;
 };
 export type CreateApiKeyRequest = {

shared/build-protocol.ts

@@ -32,14 +32,24 @@ export type BuildRequest = {
   project: string;
   service: string;
   spec: BuildSpec;
+  /** Additional service destinations for the same build artifact. */
+  destinations?: Array<{ service: string; image: string }>;
 };
 
 export type BuildState = "queued" | "running" | "succeeded" | "failed";
+export type BuildPhase =
+  | "queued"
+  | "creating"
+  | "starting"
+  | "running"
+  | "done";
 
 export type BuildStatus = {
   version: typeof BUILD_PROTOCOL_VERSION;
   id: string;
   state: BuildState;
+  /** Optional lifecycle detail; absent on older persisted builds and servers. */
+  phase?: BuildPhase;
   createdAt: string;
   startedAt?: string;
   finishedAt?: string;