feat: Add Time Tracking page with analytics and time distribution charts

- Add TimeTrackingPage with pie/bar charts for time spent per label
- Add task_time_logs schema for tracking time entries
- Add /api/analytics/time-distribution endpoint
- Update sidebar navigation with time tracking link
- Update App routing for new pages
- Fix routine blocker and settings card issues
- Add German translations for analytics

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

client/src/components/AppSidebar.tsx

@@ -1,6 +1,6 @@
 
 import { useTranslation } from 'react-i18next';
-import { Home, Calendar, List, LayoutGrid, Settings, CheckSquare, Target, Trophy, LogOut, Award, Bot, CalendarOff, Bell } from 'lucide-react';
+import { Home, Calendar, List, LayoutGrid, Settings, CheckSquare, Target, Trophy, LogOut, Award, Bot, CalendarOff, Bell, Clock } from 'lucide-react';
 import { useQueryClient, useMutation, useQuery } from '@tanstack/react-query';
 import { useToast } from "@/hooks/use-toast";
 import { Button } from "@/components/ui/button";
@@ -60,6 +60,7 @@ export function AppSidebar({ user, ...props }: AppSidebarProps) {
         { title: t('navigation.kanban'), id: 'kanban', path: '/kanban', icon: LayoutGrid, color: 'text-orange-500' },
         { title: t('navigation.achievements'), id: 'achievements', path: '/achievements', icon: Trophy, color: 'text-yellow-500' },
         { title: t('navigation.leaderboard'), id: 'leaderboard', path: '/leaderboard', icon: Award, color: 'text-yellow-500' },
+        { title: t('analytics.timeTracking'), id: 'time-tracking', path: '/time-tracking', icon: Clock, color: 'text-teal-500' },
         ...(user?.aiEnabled ? [{ title: t('navigation.aiChat', 'AI Chat'), id: 'ai-chat', path: '/ai', icon: Bot, color: 'text-indigo-500' }] : []),
         { title: t('navigation.settings'), id: 'settings', path: '/settings', icon: Settings, color: 'text-gray-500' },
     ]