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 {

plugin/notifications/discord.ts

@@ -42,7 +42,7 @@ interface CreateDmChannelResponse {
 interface SendDiscordDirectMessageOptions {
   config: DiscordNotificationConfig;
   message: string;
-  fetcher?: DiscordFetch;
+  fetcher: DiscordFetch;
 }
 
 const DISCORD_API_BASE_URL = "https://discord.com/api/v10";

plugin/types/ws.d.ts

@@ -0,0 +1,21 @@
+declare module "ws" {
+  export type RawData = Buffer | ArrayBuffer | Buffer[] | string;
+
+  export class WebSocket {
+    static readonly OPEN: number;
+    readonly readyState: number;
+    send(data: string): void;
+    close(code?: number, reason?: string): void;
+    on(event: "message", listener: (data: RawData) => void): this;
+    on(event: "close", listener: (code: number, reason: Buffer) => void): this;
+    on(event: "error", listener: (error: Error) => void): this;
+  }
+
+  export class WebSocketServer {
+    constructor(options: { host?: string; port: number });
+    on(event: "error", listener: (error: Error) => void): this;
+    on(event: "listening", listener: () => void): this;
+    on(event: "connection", listener: (ws: WebSocket, req: import("http").IncomingMessage) => void): this;
+    close(callback?: () => void): void;
+  }
+}

tests/state-recovery.test.ts

@@ -5,6 +5,7 @@ import { join } from "node:path";
 import { afterEach, describe, expect, it, vi } from "vitest";
 
 import { createYonexusServerRuntime } from "../plugin/core/runtime.js";
+import { createMockNotificationService } from "../plugin/notifications/discord.js";
 import {
   createYonexusServerStore,
   loadServerStore,
@@ -90,6 +91,7 @@ describe("YNX-1105e: Server state recovery", () => {
       },
       store,
       transport: firstTransport.transport,
+      notificationService: createMockNotificationService(),
       now: () => now
     });
 
@@ -145,6 +147,7 @@ describe("YNX-1105e: Server state recovery", () => {
       },
       store,
       transport: secondTransport.transport,
+      notificationService: createMockNotificationService(),
       now: () => now
     });
 

tsconfig.json

@@ -4,7 +4,7 @@
     "module": "NodeNext",
     "moduleResolution": "NodeNext",
     "outDir": "dist",
-    "rootDir": ".",
+    "rootDir": "..",
     "strict": true,
     "skipLibCheck": true,
     "esModuleInterop": true,
@@ -15,7 +15,9 @@
   },
   "include": [
     "plugin/**/*.ts",
-    "servers/**/*.ts"
+    "plugin/**/*.d.ts",
+    "servers/**/*.ts",
+    "../Yonexus.Protocol/src/**/*.ts"
   ],
   "exclude": [
     "dist",