Refactor: Remove legacy code and improve import statements across multiple files

src/util/Analytics.ts

@@ -1,3 +0,0 @@
-// Placeholder kept for backward compatibility with older imports.
-// New code should implement its own reporting or use webhooks.
-export {}

src/util/ConfigValidator.ts

@@ -207,24 +207,6 @@ export class ConfigValidator {
       })
     }
 
-    if (config.legacy?.diagnosticsConfigured) {
-      issues.push({
-        severity: 'warning',
-        field: 'diagnostics',
-        message: 'Unrecognized diagnostics.* block in config.jsonc.',
-        suggestion: 'Delete the diagnostics section; logs and webhooks now cover troubleshooting.'
-      })
-    }
-
-    if (config.legacy?.analyticsConfigured) {
-      issues.push({
-        severity: 'warning',
-        field: 'analytics',
-        message: 'Unrecognized analytics.* block in config.jsonc.',
-        suggestion: 'Delete the analytics section because those values are ignored.'
-      })
-    }
-
     // Check workers
     if (config.workers) {
       const allDisabled = !config.workers.doDailySet && 

src/util/Diagnostics.ts

@@ -1,3 +0,0 @@
-// Placeholder kept for backward compatibility with older imports.
-// New code should handle troubleshooting through logging and webhooks instead.
-export {}

src/util/Humanizer.ts

@@ -1,5 +1,5 @@
 import { Page } from 'rebrowser-playwright'
-import Util from './Utils'
+import { Util } from './Utils'
 import type { ConfigHumanization } from '../interface/Config'
 
 export class Humanizer {

src/util/Load.ts

@@ -3,9 +3,8 @@ import { BrowserFingerprintWithHeaders } from 'fingerprint-generator'
 import fs from 'fs'
 import path from 'path'
 
-
 import { Account } from '../interface/Account'
-import { Config, ConfigLegacyFlags, ConfigSaveFingerprint } from '../interface/Config'
+import { Config, ConfigSaveFingerprint } from '../interface/Config'
 
 let configCache: Config
 let configSourcePath = ''
@@ -188,15 +187,6 @@ function normalizeConfig(raw: unknown): Config {
         skipCompletedAccounts: jobStateRaw.skipCompletedAccounts !== false
     }
 
-    const legacy: ConfigLegacyFlags = {}
-    if (typeof n.diagnostics !== 'undefined') {
-        legacy.diagnosticsConfigured = true
-    }
-    if (typeof n.analytics !== 'undefined') {
-        legacy.analyticsConfigured = true
-    }
-    const hasLegacyFlags = legacy.diagnosticsConfigured === true || legacy.analyticsConfigured === true
-
     const cfg: Config = {
         baseURL: n.baseURL ?? 'https://rewards.bing.com',
         sessionPath: n.sessionPath ?? 'sessions',
@@ -226,8 +216,7 @@ function normalizeConfig(raw: unknown): Config {
         crashRecovery: n.crashRecovery || {},
         riskManagement,
         dryRun,
-        queryDiversity,
-        legacy: hasLegacyFlags ? legacy : undefined
+        queryDiversity
     }
 
     return cfg

src/util/QueryDiversityEngine.ts

@@ -1,4 +1,5 @@
 import axios from 'axios'
+import { Util } from './Utils'
 
 export interface QuerySource {
   name: string
@@ -21,6 +22,7 @@ export interface QueryDiversityConfig {
 export class QueryDiversityEngine {
   private config: QueryDiversityConfig
   private cache: Map<string, { queries: string[]; expires: number }> = new Map()
+  private util: Util = new Util()
 
   constructor(config?: Partial<QueryDiversityConfig>) {
     this.config = {
@@ -56,7 +58,7 @@ export class QueryDiversityEngine {
     }
 
     // Shuffle and limit to requested count
-    final = this.shuffleArray(final).slice(0, count)
+    final = this.util.shuffleArray(final).slice(0, count)
 
     return final.length > 0 ? final : this.getLocalFallback(count)
   }
@@ -275,7 +277,7 @@ export class QueryDiversityEngine {
       'education resources'
     ]
 
-    return this.shuffleArray(fallback).slice(0, count)
+    return this.util.shuffleArray(fallback).slice(0, count)
   }
 
   /**
@@ -319,18 +321,6 @@ export class QueryDiversityEngine {
     return 'trends'
   }
 
-  /**
-   * Shuffle array (Fisher-Yates)
-   */
-  private shuffleArray<T>(array: T[]): T[] {
-    const shuffled = [...array]
-    for (let i = shuffled.length - 1; i > 0; i--) {
-      const j = Math.floor(Math.random() * (i + 1));
-      [shuffled[i], shuffled[j]] = [shuffled[j]!, shuffled[i]!]
-    }
-    return shuffled
-  }
-
   /**
    * Clear cache (call between runs)
    */

src/util/Retry.ts

@@ -1,5 +1,5 @@
 import type { ConfigRetryPolicy } from '../interface/Config'
-import Util from './Utils'
+import { Util } from './Utils'
 
 type NumericPolicy = {
   maxAttempts: number
@@ -60,5 +60,3 @@ export class Retry {
     throw lastErr instanceof Error ? lastErr : new Error(String(lastErr))
   }
 }
-
-export default Retry

src/util/StartupValidator.ts

@@ -338,15 +338,6 @@ export class StartupValidator {
         }
       }
     }
-
-    if (config.legacy?.diagnosticsConfigured || config.legacy?.analyticsConfigured) {
-      this.addWarning(
-        'filesystem',
-        'Unrecognized diagnostics/analytics block detected in config.jsonc',
-        'Remove those sections to keep the file aligned with the current schema.',
-        'docs/diagnostics.md'
-      )
-    }
   }
 
   private validateBrowserSettings(config: Config): void {

src/util/UserAgent.ts

@@ -2,7 +2,7 @@ import axios from 'axios'
 import { BrowserFingerprintWithHeaders } from 'fingerprint-generator'
 
 import { log } from './Logger'
-import Retry from './Retry'
+import { Retry } from './Retry'
 
 import { ChromeVersion, EdgeVersion, Architecture, Platform } from '../interface/UserAgentUtil'
 

src/util/Utils.ts

@@ -1,6 +1,6 @@
 import ms from 'ms'
 
-export default class Util {
+export class Util {
 
     async wait(ms: number): Promise<void> {
         // Safety check: prevent extremely long or negative waits