Fix strict TypeScript checks for server

plugin/core/config.ts

@@ -35,7 +35,7 @@ function normalizeOptionalString(value: unknown): string | undefined {
 }
 
 function isValidPort(value: unknown): value is number {
-  return Number.isInteger(value) && value >= 1 && value <= 65535;
+  return typeof value === "number" && Number.isInteger(value) && value >= 1 && value <= 65535;
 }
 
 function isValidWsUrl(value: string): boolean {
@@ -67,18 +67,18 @@ export function validateYonexusServerConfig(raw: unknown): YonexusServerConfig {
     issues.push("followerIdentifiers must not contain duplicates");
   }
 
-  const notifyBotToken = source.notifyBotToken;
-  if (!isNonEmptyString(notifyBotToken)) {
+  const rawNotifyBotToken = source.notifyBotToken;
+  if (!isNonEmptyString(rawNotifyBotToken)) {
     issues.push("notifyBotToken is required");
   }
 
-  const adminUserId = source.adminUserId;
-  if (!isNonEmptyString(adminUserId)) {
+  const rawAdminUserId = source.adminUserId;
+  if (!isNonEmptyString(rawAdminUserId)) {
     issues.push("adminUserId is required");
   }
 
-  const listenPort = source.listenPort;
-  if (!isValidPort(listenPort)) {
+  const rawListenPort = source.listenPort;
+  if (!isValidPort(rawListenPort)) {
     issues.push("listenPort must be an integer between 1 and 65535");
   }
 
@@ -93,6 +93,10 @@ export function validateYonexusServerConfig(raw: unknown): YonexusServerConfig {
     throw new YonexusServerConfigError(issues);
   }
 
+  const notifyBotToken = rawNotifyBotToken as string;
+  const adminUserId = rawAdminUserId as string;
+  const listenPort = rawListenPort as number;
+
   return {
     followerIdentifiers,
     notifyBotToken: notifyBotToken.trim(),

plugin/core/persistence.ts

@@ -79,6 +79,9 @@ export interface ClientRecord {
   /** Last successful authentication timestamp (UTC unix seconds) */
   lastAuthenticatedAt?: number;
 
+  /** Last successful pairing timestamp (UTC unix seconds) */
+  pairedAt?: number;
+
   /**
    * Recent nonces used in authentication attempts.
    * This is a rolling window that may be cleared on restart.
@@ -151,6 +154,7 @@ export interface SerializedClientRecord {
   status: ClientLivenessStatus;
   lastHeartbeatAt?: number;
   lastAuthenticatedAt?: number;
+  pairedAt?: number;
   createdAt: number;
   updatedAt: number;
   // Note: recentNonces and recentHandshakeAttempts are intentionally
@@ -203,6 +207,7 @@ export function serializeClientRecord(record: ClientRecord): SerializedClientRec
     status: record.status,
     lastHeartbeatAt: record.lastHeartbeatAt,
     lastAuthenticatedAt: record.lastAuthenticatedAt,
+    pairedAt: record.pairedAt,
     createdAt: record.createdAt,
     updatedAt: record.updatedAt
   };

plugin/core/runtime.ts

@@ -52,6 +52,7 @@ export interface YonexusServerRuntimeOptions {
   config: YonexusServerConfig;
   store: YonexusServerStore;
   transport: ServerTransport;
+  notificationService?: DiscordNotificationService;
   now?: () => number;
   sweepIntervalMs?: number;
 }
@@ -80,10 +81,12 @@ export class YonexusServerRuntime {
     };
     this.sweepIntervalMs = options.sweepIntervalMs ?? 30_000;
     this.pairingService = createPairingService({ now: this.now });
-    this.notificationService = createDiscordNotificationService({
-      botToken: options.config.notifyBotToken,
-      adminUserId: options.config.adminUserId
-    });
+    this.notificationService =
+      options.notificationService ??
+      createDiscordNotificationService({
+        botToken: options.config.notifyBotToken,
+        adminUserId: options.config.adminUserId
+      });
   }
 
   get state(): ServerLifecycleState {