diff --git a/src/dashboard/server.ts b/src/dashboard/server.ts
index 2a56fbc..0ad8ad9 100644
--- a/src/dashboard/server.ts
+++ b/src/dashboard/server.ts
@@ -21,7 +21,7 @@ export class DashboardServer {
   private server: ReturnType<typeof createServer>
   private wss: WebSocketServer
   private clients: Set<WebSocket> = new Set()
-  private heartbeatInterval?: NodeJS.Timer
+  private heartbeatInterval?: NodeJS.Timeout
   private dashboardLimiter = rateLimit({
     windowMs: 15 * 60 * 1000, // 15 minutes
     max: 100, // limit each IP to 100 requests per windowMs for dashboard UI
diff --git a/src/functions/Login.ts b/src/functions/Login.ts
index 4e2a186..e19fb92 100644
--- a/src/functions/Login.ts
+++ b/src/functions/Login.ts
@@ -964,6 +964,17 @@ export class Login {
         }
     }
 
+    private async clickFirstVisibleSelector(page: Page, selectors: readonly string[]): Promise<boolean> {
+        for (const sel of selectors) {
+            const loc = page.locator(sel).first()
+            if (await loc.isVisible().catch(() => false)) {
+                await loc.click().catch(logError('LOGIN', `Click failed for selector: ${sel}`, this.bot.isMobile))
+                return true
+            }
+        }
+        return false
+    }
+
     private async switchToPasswordLink(page: Page) {
         try {
             const passwordClicked = await this.tryClickPasswordOption(page)
diff --git a/src/util/network/QueryDiversityEngine.ts b/src/util/network/QueryDiversityEngine.ts
index db99bb0..a898bcc 100644
--- a/src/util/network/QueryDiversityEngine.ts
+++ b/src/util/network/QueryDiversityEngine.ts
@@ -22,7 +22,7 @@ export class QueryDiversityEngine {
   private logger?: (source: string, message: string, level?: 'info' | 'warn' | 'error') => void
   private httpClient: HttpClient
 
-  constructor(config?: Partial<QueryDiversityConfig>, logger?: (source: string, message: string, level?: 'info' | 'warn' | 'error'), httpClient?: HttpClient) {
+  constructor(config?: Partial<QueryDiversityConfig>, logger?: (source: string, message: string, level?: 'info' | 'warn' | 'error') => void, httpClient?: HttpClient) {
     const maxQueriesPerSource = Math.max(1, Math.min(config?.maxQueriesPerSource || 10, 50))
     const cacheMinutes = Math.max(1, Math.min(config?.cacheMinutes || 30, 1440))