diff --git a/apps/stock/web-app/src/components/layout/Layout.tsx b/apps/stock/web-app/src/components/layout/Layout.tsx
index 5842c50..c20fe04 100644
--- a/apps/stock/web-app/src/components/layout/Layout.tsx
+++ b/apps/stock/web-app/src/components/layout/Layout.tsx
@@ -10,7 +10,7 @@ export function Layout() {
   // Determine title from current route
   const getTitle = () => {
     const path = location.pathname.replace('/', '');
-    if (!path || path === 'dashboard') return 'Dashboard';
+    if (!path || path === 'dashboard') {return 'Dashboard';}
     
     // Handle nested routes
     if (path.includes('/')) {
diff --git a/apps/stock/web-app/src/components/layout/Sidebar.tsx b/apps/stock/web-app/src/components/layout/Sidebar.tsx
index 8289993..e31466e 100644
--- a/apps/stock/web-app/src/components/layout/Sidebar.tsx
+++ b/apps/stock/web-app/src/components/layout/Sidebar.tsx
@@ -1,4 +1,5 @@
 import { navigation } from '@/lib/constants';
+import type { NavigationItem } from '@/lib/constants';
 import { cn } from '@/lib/utils';
 import { Dialog, Transition } from '@headlessui/react';
 import { XMarkIcon, ChevronDownIcon, ChevronRightIcon } from '@heroicons/react/24/outline';
@@ -101,7 +102,7 @@ function SidebarContent() {
     setExpandedItems(newExpanded);
   };
 
-  const isChildActive = (children: any[]) => {
+  const isChildActive = (children: NavigationItem[]) => {
     return children.some(child => location.pathname === child.href);
   };
 
@@ -148,7 +149,7 @@ function SidebarContent() {
                           {item.children.map(child => (
                             <li key={child.name}>
                               <NavLink
-                                to={child.href!}
+                                to={child.href || ''}
                                 className={({ isActive }) =>
                                   cn(
                                     isActive
@@ -180,7 +181,7 @@ function SidebarContent() {
                     </>
                   ) : (
                     <NavLink
-                      to={item.href!}
+                      to={item.href || ''}
                       className={({ isActive }) =>
                         cn(
                           isActive
diff --git a/apps/stock/web-app/src/features/exchanges/components/AddProviderMappingDialog.tsx b/apps/stock/web-app/src/features/exchanges/components/AddProviderMappingDialog.tsx
index 8052875..17b56cd 100644
--- a/apps/stock/web-app/src/features/exchanges/components/AddProviderMappingDialog.tsx
+++ b/apps/stock/web-app/src/features/exchanges/components/AddProviderMappingDialog.tsx
@@ -8,7 +8,15 @@ interface AddProviderMappingDialogProps {
   exchangeId: string;
   exchangeName: string;
   onClose: () => void;
-  onCreateMapping: (request: CreateProviderMappingRequest) => Promise<any>;
+  onCreateMapping: (request: CreateProviderMappingRequest) => Promise<boolean | void>;
+}
+
+interface UnmappedExchange {
+  provider_exchange_code: string;
+  provider_exchange_name: string;
+  country_code?: string;
+  currency?: string;
+  symbol_count?: number;
 }
 
 export function AddProviderMappingDialog({
@@ -21,29 +29,12 @@ export function AddProviderMappingDialog({
   const { fetchProviders, fetchUnmappedProviderExchanges } = useExchanges();
   const [providers, setProviders] = useState<string[]>([]);
   const [selectedProvider, setSelectedProvider] = useState('');
-  const [unmappedExchanges, setUnmappedExchanges] = useState<any[]>([]);
+  const [unmappedExchanges, setUnmappedExchanges] = useState<UnmappedExchange[]>([]);
   const [selectedProviderExchange, setSelectedProviderExchange] = useState('');
   const [loading, setLoading] = useState(false);
   const [providersLoading, setProvidersLoading] = useState(false);
   const [exchangesLoading, setExchangesLoading] = useState(false);
 
-  // Load providers on mount
-  useEffect(() => {
-    if (isOpen) {
-      loadProviders();
-    }
-  }, [isOpen, loadProviders]);
-
-  // Load unmapped exchanges when provider changes
-  useEffect(() => {
-    if (selectedProvider) {
-      loadUnmappedExchanges(selectedProvider);
-    } else {
-      setUnmappedExchanges([]);
-      setSelectedProviderExchange('');
-    }
-  }, [selectedProvider, loadUnmappedExchanges]);
-
   const loadProviders = useCallback(async () => {
     setProvidersLoading(true);
     try {
@@ -71,6 +62,23 @@ export function AddProviderMappingDialog({
     [fetchUnmappedProviderExchanges]
   );
 
+  // Load providers on mount
+  useEffect(() => {
+    if (isOpen) {
+      loadProviders();
+    }
+  }, [isOpen, loadProviders]);
+
+  // Load unmapped exchanges when provider changes
+  useEffect(() => {
+    if (selectedProvider) {
+      loadUnmappedExchanges(selectedProvider);
+    } else {
+      setUnmappedExchanges([]);
+      setSelectedProviderExchange('');
+    }
+  }, [selectedProvider, loadUnmappedExchanges]);
+
   const handleSubmit = useCallback(
     async (e: React.FormEvent) => {
       e.preventDefault();
diff --git a/apps/stock/web-app/src/features/exchanges/components/ExchangesTable.tsx b/apps/stock/web-app/src/features/exchanges/components/ExchangesTable.tsx
index 96018b5..8fe0b24 100644
--- a/apps/stock/web-app/src/features/exchanges/components/ExchangesTable.tsx
+++ b/apps/stock/web-app/src/features/exchanges/components/ExchangesTable.tsx
@@ -1,6 +1,6 @@
 import { DataTable } from '@/components/ui';
 import { PlusIcon, TrashIcon } from '@heroicons/react/24/outline';
-import type { ColumnDef } from '@tanstack/react-table';
+import type { ColumnDef, Row } from '@tanstack/react-table';
 import { useCallback, useMemo, useState } from 'react';
 import { useExchanges } from '../hooks/useExchanges';
 import type { AddProviderMappingDialogState, DeleteDialogState, EditingCell, Exchange } from '../types';
@@ -70,7 +70,7 @@ export function ExchangesTable() {
   );
 
   const handleRowExpand = useCallback(
-    async (_row: any) => {
+    (_row: Row<Exchange>) => {
       // Row expansion is now handled automatically by TanStack Table
       // No need to fetch data since all mappings are already loaded
     },
@@ -319,7 +319,6 @@ export function ExchangesTable() {
     handleToggleActive,
     handleAddProviderMapping,
     handleDeleteExchange,
-    handleConfirmDelete,
     handleRowExpand,
   ]);
 
@@ -335,7 +334,7 @@ export function ExchangesTable() {
     );
   }
 
-  const renderSubComponent = ({ row }: { row: any }) => {
+  const renderSubComponent = ({ row }: { row: Row<Exchange> }) => {
     const exchange = row.original as Exchange;
     const mappings = exchange.provider_mappings || [];
     
diff --git a/apps/stock/web-app/src/features/monitoring/components/ProxyStatsCard.tsx b/apps/stock/web-app/src/features/monitoring/components/ProxyStatsCard.tsx
index 2388b08..942e7f9 100644
--- a/apps/stock/web-app/src/features/monitoring/components/ProxyStatsCard.tsx
+++ b/apps/stock/web-app/src/features/monitoring/components/ProxyStatsCard.tsx
@@ -17,7 +17,7 @@ export function ProxyStatsCard({ stats }: ProxyStatsCardProps) {
     : 0;
 
   const formatDate = (dateString?: string) => {
-    if (!dateString) return 'Never';
+    if (!dateString) {return 'Never';}
     const date = new Date(dateString);
     return date.toLocaleString();
   };
diff --git a/apps/stock/web-app/src/features/monitoring/types/index.ts b/apps/stock/web-app/src/features/monitoring/types/index.ts
index edfcd1a..e22a419 100644
--- a/apps/stock/web-app/src/features/monitoring/types/index.ts
+++ b/apps/stock/web-app/src/features/monitoring/types/index.ts
@@ -18,7 +18,7 @@ export interface CacheStats {
     evictedKeys?: number;
     expiredKeys?: number;
   };
-  info?: Record<string, any>;
+  info?: Record<string, unknown>;
 }
 
 export interface QueueStats {
@@ -57,7 +57,7 @@ export interface DatabaseStats {
     waiting?: number;
     max: number;
   };
-  stats?: Record<string, any>;
+  stats?: Record<string, unknown>;
 }
 
 export interface SystemHealth {
diff --git a/apps/stock/web-app/src/features/monitoring/utils/formatters.ts b/apps/stock/web-app/src/features/monitoring/utils/formatters.ts
index e666731..a07878a 100644
--- a/apps/stock/web-app/src/features/monitoring/utils/formatters.ts
+++ b/apps/stock/web-app/src/features/monitoring/utils/formatters.ts
@@ -8,9 +8,9 @@ export function formatUptime(ms: number): string {
   const hours = Math.floor(minutes / 60);
   const days = Math.floor(hours / 24);
 
-  if (days > 0) return `${days}d ${hours % 24}h`;
-  if (hours > 0) return `${hours}h ${minutes % 60}m`;
-  if (minutes > 0) return `${minutes}m ${seconds % 60}s`;
+  if (days > 0) {return `${days}d ${hours % 24}h`;}
+  if (hours > 0) {return `${hours}h ${minutes % 60}m`;}
+  if (minutes > 0) {return `${minutes}m ${seconds % 60}s`;}
   return `${seconds}s`;
 }
 
diff --git a/apps/stock/web-app/src/features/pipeline/PipelinePage.tsx b/apps/stock/web-app/src/features/pipeline/PipelinePage.tsx
index 1adf1df..bb980c0 100644
--- a/apps/stock/web-app/src/features/pipeline/PipelinePage.tsx
+++ b/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>
diff --git a/apps/stock/web-app/src/features/pipeline/services/pipelineApi.ts b/apps/stock/web-app/src/features/pipeline/services/pipelineApi.ts
index 949a43d..cfb97fe 100644
--- a/apps/stock/web-app/src/features/pipeline/services/pipelineApi.ts
+++ b/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> {
diff --git a/apps/stock/web-app/src/features/pipeline/types/index.ts b/apps/stock/web-app/src/features/pipeline/types/index.ts
index b5a0f78..d22be10 100644
--- a/apps/stock/web-app/src/features/pipeline/types/index.ts
+++ b/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>;
 }
\ No newline at end of file
diff --git a/apps/stock/web-app/src/lib/constants.ts b/apps/stock/web-app/src/lib/constants.ts
index f1428d8..7501445 100644
--- a/apps/stock/web-app/src/lib/constants.ts
+++ b/apps/stock/web-app/src/lib/constants.ts
@@ -13,7 +13,7 @@ import {
 export interface NavigationItem {
   name: string;
   href?: string;
-  icon: any;
+  icon: React.ComponentType<React.SVGProps<SVGSVGElement>>;
   children?: NavigationItem[];
 }
 
diff --git a/libs/core/di/src/registrations/service.registration.ts b/libs/core/di/src/registrations/service.registration.ts
index 5aef5e1..55e1f42 100644
--- a/libs/core/di/src/registrations/service.registration.ts
+++ b/libs/core/di/src/registrations/service.registration.ts
@@ -32,7 +32,7 @@ export function registerApplicationServices(
   if (config.proxy && config.redis.enabled) {
     container.register({
       proxyManager: asFunction(({ cache, logger }) => {
-        if (!cache) return null;
+        if (!cache) {return null;}
         
         const proxyCache = new NamespacedCache(cache, 'proxy');
         const proxyManager = new ProxyManager(proxyCache, config.proxy, logger);