fixed lint issues

apps/stock/web-app/src/features/pipeline/PipelinePage.tsx

@@ -1,4 +1,4 @@
-import { useState, useEffect } from 'react';
+import { useState, useEffect, useCallback } from 'react';
 import { 
   ArrowPathIcon, 
   CircleStackIcon,
@@ -7,7 +7,7 @@ import {
   CheckCircleIcon,
 } from '@heroicons/react/24/outline';
 import { usePipeline } from './hooks/usePipeline';
-import type { PipelineOperation } from './types';
+import type { PipelineOperation, ExchangeStats, ProviderMappingStats, DataClearType } from './types';
 
 const operations: PipelineOperation[] = [
   // Symbol operations
@@ -93,14 +93,14 @@ export function PipelinePage() {
   const [selectedProvider, setSelectedProvider] = useState('yahoo');
   const [clearFirst, setClearFirst] = useState(false);
   const [clearDataType, setClearDataType] = useState<'all' | 'exchanges' | 'provider_mappings'>('all');
-  const [stats, setStats] = useState<{ exchanges?: any; providerMappings?: any }>({});
+  const [stats, setStats] = useState<{ exchanges?: ExchangeStats; providerMappings?: ProviderMappingStats }>({});
 
   // Load stats on mount
   useEffect(() => {
     loadStats();
-  }, []);
+  }, [loadStats]);
 
-  const loadStats = async () => {
+  const loadStats = useCallback(async () => {
     const [exchangeStats, mappingStats] = await Promise.all([
       getExchangeStats(),
       getProviderMappingStats(),
@@ -109,7 +109,7 @@ export function PipelinePage() {
       exchanges: exchangeStats,
       providerMappings: mappingStats,
     });
-  };
+  }, [getExchangeStats, getProviderMappingStats]);
 
   const handleOperation = async (op: PipelineOperation) => {
     switch (op.id) {
@@ -368,7 +368,7 @@ export function PipelinePage() {
                     <label className="block text-xs text-text-muted mb-1">Data Type</label>
                     <select
                       value={clearDataType}
-                      onChange={e => setClearDataType(e.target.value as any)}
+                      onChange={e => setClearDataType(e.target.value as DataClearType)}
                       className="w-full px-2 py-1 text-xs bg-surface border border-border rounded focus:ring-1 focus:ring-warning focus:border-warning"
                     >
                       <option value="all">All Data</option>

apps/stock/web-app/src/features/pipeline/services/pipelineApi.ts

@@ -7,7 +7,7 @@ import type {
 const API_BASE_URL = import.meta.env.VITE_API_BASE_URL || 'http://localhost:2003';
 
 class PipelineApiService {
-  private async request<T = any>(
+  private async request<T = unknown>(
     endpoint: string,
     options?: RequestInit
   ): Promise<T> {

apps/stock/web-app/src/features/pipeline/types/index.ts

@@ -5,12 +5,12 @@ export interface PipelineJobResult {
   jobId?: string;
   message?: string;
   error?: string;
-  data?: any;
+  data?: unknown;
 }
 
 export interface PipelineStatsResult {
   success: boolean;
-  data?: any;
+  data?: unknown;
   error?: string;
 }
 
@@ -54,5 +54,5 @@ export interface PipelineOperation {
   method: 'GET' | 'POST';
   category: 'sync' | 'stats' | 'maintenance';
   dangerous?: boolean;
-  params?: Record<string, any>;
+  params?: Record<string, unknown>;
 }