fix: update HTML title to mockupAWS

- Change generic 'frontend' title to 'mockupAWS - AWS Cost Simulator'
- Resolves frontend branding issue identified in testing

frontend/src/components/charts/ComparisonBar.tsx

@@ -10,7 +10,7 @@ import {
   Cell,
 } from 'recharts';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
-import { CHART_PALETTE, formatCurrency, formatNumber } from './ChartContainer';
+import { CHART_PALETTE, formatCurrency, formatNumber } from './chart-utils';
 import type { Scenario } from '@/types/api';
 
 interface ComparisonMetric {

frontend/src/components/charts/TimeSeries.tsx

@@ -12,7 +12,7 @@ import {
 } from 'recharts';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
 import { format } from 'date-fns';
-import { formatCurrency, formatNumber } from './ChartContainer';
+import { formatCurrency, formatNumber } from './chart-utils';
 
 interface TimeSeriesDataPoint {
   timestamp: string;

frontend/src/pages/Compare.tsx

@@ -6,7 +6,7 @@ import { Button } from '@/components/ui/button';
 import { Badge } from '@/components/ui/badge';
 import { useComparisonCache } from '@/hooks/useComparison';
 import { ComparisonBarChart, GroupedComparisonChart } from '@/components/charts';
-import { formatCurrency, formatNumber } from '@/components/charts/ChartContainer';
+import { formatCurrency, formatNumber } from '@/components/charts/chart-utils';
 import { Skeleton } from '@/components/ui/skeleton';
 
 interface LocationState {

frontend/src/pages/Dashboard.tsx

@@ -2,7 +2,7 @@ import { useScenarios } from '@/hooks/useScenarios';
 import { Activity, DollarSign, Server, AlertTriangle, TrendingUp } from 'lucide-react';
 import { Card, CardContent, CardHeader, CardTitle, CardDescription } from '@/components/ui/card';
 import { CostBreakdownChart } from '@/components/charts';
-import { formatCurrency, formatNumber } from '@/components/charts/ChartContainer';
+import { formatCurrency, formatNumber } from '@/components/charts/chart-utils';
 import { Skeleton } from '@/components/ui/skeleton';
 import { Link } from 'react-router-dom';
 

frontend/src/pages/ScenarioDetail.tsx

@@ -8,7 +8,7 @@ import { Button } from '@/components/ui/button';
 import { Card, CardContent, CardHeader, CardTitle, CardDescription } from '@/components/ui/card';
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
 import { CostBreakdownChart, TimeSeriesChart } from '@/components/charts';
-import { formatCurrency, formatNumber } from '@/components/charts/ChartContainer';
+import { formatCurrency, formatNumber } from '@/components/charts/chart-utils';
 import { Skeleton } from '@/components/ui/skeleton';
 
 const statusColors = {