refactor: simplify bot control logic and improve error handling in routes

src/dashboard/BotController.ts

@@ -1,15 +1,12 @@
 import { dashboardState } from './state'
-
-// We'll import and run the bot directly in the same process
-let botRunning = false
-let botPromise: Promise<void> | null = null
+import type { MicrosoftRewardsBot } from '../index'
 
 export class BotController {
-  private isRunning: boolean = false
+  private botInstance: MicrosoftRewardsBot | null = null
+  private botPromise: Promise<void> | null = null
   private startTime?: Date
 
   constructor() {
-    // Cleanup on exit
     process.on('exit', () => this.stop())
   }
 
@@ -26,30 +23,26 @@ export class BotController {
   }
 
   public async start(): Promise<{ success: boolean; error?: string; pid?: number }> {
-    if (this.isRunning || botRunning) {
+    if (this.botInstance) {
       return { success: false, error: 'Bot is already running' }
     }
 
     try {
       this.log('🚀 Starting bot...', 'log')
 
-      // Import the bot main logic
       const { MicrosoftRewardsBot } = await import('../index')
       
-      this.isRunning = true
-      botRunning = true
+      this.botInstance = new MicrosoftRewardsBot(false)
       this.startTime = new Date()
       dashboardState.setRunning(true)
+      dashboardState.setBotInstance(this.botInstance)
 
-      // Run the bot in the same process using the exact same logic as npm start
-      botPromise = (async () => {
+      this.botPromise = (async () => {
         try {
-          const rewardsBot = new MicrosoftRewardsBot(false)
-          
           this.log('✓ Bot initialized, starting execution...', 'log')
           
-          await rewardsBot.initialize()
-          await rewardsBot.run()
+          await this.botInstance!.initialize()
+          await this.botInstance!.run()
           
           this.log('✓ Bot completed successfully', 'log')
         } catch (error) {
@@ -61,8 +54,7 @@ export class BotController {
         }
       })()
 
-      // Don't await - let it run in background
-      botPromise.catch(error => {
+      this.botPromise.catch(error => {
         this.log(`Bot execution failed: ${error instanceof Error ? error.message : String(error)}`, 'error')
       })
 
@@ -77,15 +69,12 @@ export class BotController {
   }
 
   public stop(): { success: boolean; error?: string } {
-    if (!this.isRunning && !botRunning) {
+    if (!this.botInstance) {
       return { success: false, error: 'Bot is not running' }
     }
 
     try {
       this.log('🛑 Stopping bot...', 'warn')
-      
-      // For now, we can't gracefully stop a running bot in the same process
-      // This would require refactoring the bot to support cancellation
       this.log('⚠ Note: Bot will complete current task before stopping', 'warn')
       
       this.cleanup()
@@ -103,7 +92,6 @@ export class BotController {
     this.log('🔄 Restarting bot...', 'log')
     this.stop()
     
-    // Wait a bit before restarting
     return new Promise((resolve) => {
       setTimeout(async () => {
         const result = await this.start()
@@ -119,7 +107,7 @@ export class BotController {
     startTime?: string
   } {
     return {
-      running: this.isRunning || botRunning,
+      running: !!this.botInstance,
       pid: process.pid,
       uptime: this.startTime ? Date.now() - this.startTime.getTime() : undefined,
       startTime: this.startTime?.toISOString()
@@ -127,13 +115,12 @@ export class BotController {
   }
 
   private cleanup(): void {
-    this.isRunning = false
-    botRunning = false
-    botPromise = null
+    this.botInstance = null
+    this.botPromise = null
     this.startTime = undefined
     dashboardState.setRunning(false)
+    dashboardState.setBotInstance(undefined)
   }
 }
 
-// Singleton instance
 export const botController = new BotController()

src/dashboard/routes.ts

@@ -1,7 +1,6 @@
 import { Router, Request, Response } from 'express'
 import fs from 'fs'
 import path from 'path'
-import { spawn } from 'child_process'
 import { dashboardState } from './state'
 import { loadAccounts, loadConfig, getConfigPath } from '../util/Load'
 import { botController } from './BotController'
@@ -209,7 +208,7 @@ apiRouter.post('/restart', async (_req: Request, res: Response): Promise<void> =
   }
 })
 
-// POST /api/sync/:email - Force sync single account
+// POST /api/sync/:email - Force sync single account (deprecated - use full bot restart)
 apiRouter.post('/sync/:email', async (req: Request, res: Response): Promise<void> => {
   try {
     const { email } = req.params
@@ -226,18 +225,10 @@ apiRouter.post('/sync/:email', async (req: Request, res: Response): Promise<void
       return
     }
 
-    dashboardState.updateAccount(email, { status: 'running', lastSync: new Date().toISOString() })
-
-    // Spawn single account run
-    const child = spawn(process.execPath, [
-      path.join(process.cwd(), 'dist', 'index.js'),
-      '-account',
-      email
-    ], { detached: true, stdio: 'ignore' })
-    
-    if (child.unref) child.unref()
-
-    res.json({ success: true, pid: child.pid || undefined })
+    res.status(501).json({ 
+      error: 'Single account sync not implemented. Please use restart bot instead.',
+      suggestion: 'Use /api/restart endpoint to run all accounts'
+    })
   } catch (error) {
     res.status(500).json({ error: error instanceof Error ? error.message : 'Unknown error' })
   }
@@ -318,7 +309,13 @@ apiRouter.post('/account/:email/reset', (req: Request, res: Response): void => {
 function maskUrl(url: string): string {
   try {
     const parsed = new URL(url)
-    return `${parsed.protocol}//${parsed.hostname.slice(0, 3)}***${parsed.pathname.slice(0, 5)}***`
+    const maskedHost = parsed.hostname.length > 6 
+      ? `${parsed.hostname.slice(0, 3)}***${parsed.hostname.slice(-3)}`
+      : '***'
+    const maskedPath = parsed.pathname.length > 5 
+      ? `${parsed.pathname.slice(0, 3)}***`
+      : '***'
+    return `${parsed.protocol}//${maskedHost}${maskedPath}`
   } catch {
     return '***'
   }

src/dashboard/server.ts

@@ -108,17 +108,14 @@ export class DashboardServer {
   }
 
   private interceptBotLogs(): void {
-    // Store reference to this.clients for closure
-    const clients = this.clients
-    
-    // Intercept bot logs and forward to dashboard
     const originalLog = botLog
-    ;(global as Record<string, unknown>).botLog = function(
+    
+    ;(global as Record<string, unknown>).botLog = (
       isMobile: boolean | 'main',
       title: string,
       message: string,
       type: 'log' | 'warn' | 'error' = 'log'
-    ) {
+    ) => {
       const result = originalLog(isMobile, title, message, type)
       
       const logEntry: DashboardLog = {
@@ -130,18 +127,7 @@ export class DashboardServer {
       }
       
       dashboardState.addLog(logEntry)
-      
-      // Broadcast to WebSocket clients
-      const payload = JSON.stringify({ type: 'log', log: logEntry })
-      for (const client of clients) {
-        if (client.readyState === WebSocket.OPEN) {
-          try {
-            client.send(payload)
-          } catch (error) {
-            console.error('[Dashboard] Error sending to WebSocket client:', error)
-          }
-        }
-      }
+      this.broadcastUpdate('log', { log: logEntry })
       
       return result
     }

src/index.ts

@@ -48,16 +48,12 @@ export class MicrosoftRewardsBot {
     public queryEngine?: QueryDiversityEngine
     public compromisedModeActive: boolean = false
     public compromisedReason?: string
-    // Mutex-like flag to prevent parallel execution when config.parallel is accidentally misconfigured
-    private isDesktopRunning: boolean = false
-    private isMobileRunning: boolean = false
 
     private activeWorkers: number
     private browserFactory: Browser = new Browser(this)
     private accounts: Account[]
     private workers: Workers
     private login = new Login(this)
-    // Buy mode (manual spending) tracking
     private buyMode: { enabled: boolean; email?: string } = { enabled: false }
 
     // Summary collection (per process)
@@ -632,12 +628,7 @@ export class MicrosoftRewardsBot {
                 }
             } else {
                 // Sequential execution with safety checks
-                if (this.isDesktopRunning || this.isMobileRunning) {
-                    log('main', 'TASK', `Race condition detected: Desktop=${this.isDesktopRunning}, Mobile=${this.isMobileRunning}. Skipping to prevent conflicts.`, 'error')
-                    errors.push('race-condition-detected')
-                } else {
                 this.isMobile = false
-                    this.isDesktopRunning = true
                 const desktopResult = await this.Desktop(account).catch(e => {
                     const msg = e instanceof Error ? e.message : String(e)
                     this.recordRiskEvent('error', 6, `desktop:${msg}`)
@@ -654,12 +645,9 @@ export class MicrosoftRewardsBot {
                     desktopInitial = desktopResult.initialPoints
                     desktopCollected = desktopResult.collectedPoints
                 }
-                    this.isDesktopRunning = false
 
-                    // If banned or compromised detected, skip mobile to save time
                 if (!banned.status && !this.compromisedModeActive) {
                     this.isMobile = true
-                        this.isMobileRunning = true
                     const mobileResult = await this.Mobile(account).catch((e: unknown) => {
                         const msg = e instanceof Error ? e.message : String(e)
                         this.recordRiskEvent('error', 6, `mobile:${msg}`)
@@ -676,13 +664,11 @@ export class MicrosoftRewardsBot {
                         mobileInitial = mobileResult.initialPoints
                         mobileCollected = mobileResult.collectedPoints
                     }
-                        this.isMobileRunning = false
                 } else {
                     const why = banned.status ? 'banned status' : 'compromised status'
                     log(true, 'TASK', `Skipping mobile flow for ${account.email} due to ${why}`, 'warn')
                 }
             }
-            }
 
             const accountEnd = Date.now()
             const durationMs = accountEnd - accountStart