feat: UX

2025-12-16 13:47:29 -05:00
commit 4a0db63a30
84 changed files with 12595 additions and 0 deletions
--- a/frontend/src/App.css
+++ b/frontend/src/App.css
@@ -0,0 +1,42 @@
+#root {
+  max-width: 1280px;
+  margin: 0 auto;
+  padding: 2rem;
+  text-align: center;
+}
+
+.logo {
+  height: 6em;
+  padding: 1.5em;
+  will-change: filter;
+  transition: filter 300ms;
+}
+.logo:hover {
+  filter: drop-shadow(0 0 2em #646cffaa);
+}
+.logo.react:hover {
+  filter: drop-shadow(0 0 2em #61dafbaa);
+}
+
+@keyframes logo-spin {
+  from {
+    transform: rotate(0deg);
+  }
+  to {
+    transform: rotate(360deg);
+  }
+}
+
+@media (prefers-reduced-motion: no-preference) {
+  a:nth-of-type(2) .logo {
+    animation: logo-spin infinite 20s linear;
+  }
+}
+
+.card {
+  padding: 2em;
+}
+
+.read-the-docs {
+  color: #888;
+}
--- a/frontend/src/App.tsx
+++ b/frontend/src/App.tsx
@@ -0,0 +1,27 @@
+import { Toaster } from "@/components/ui/toaster";
+import { Toaster as Sonner } from "@/components/ui/sonner";
+import { TooltipProvider } from "@/components/ui/tooltip";
+import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
+import { BrowserRouter, Routes, Route } from "react-router-dom";
+import Index from "./pages/Index";
+import NotFound from "./pages/NotFound";
+
+const queryClient = new QueryClient();
+
+const App = () => (
+  <QueryClientProvider client={queryClient}>
+    <TooltipProvider>
+      <Toaster />
+      <Sonner />
+      <BrowserRouter>
+        <Routes>
+          <Route path="/" element={<Index />} />
+          {/* ADD ALL CUSTOM ROUTES ABOVE THE CATCH-ALL "*" ROUTE */}
+          <Route path="*" element={<NotFound />} />
+        </Routes>
+      </BrowserRouter>
+    </TooltipProvider>
+  </QueryClientProvider>
+);
+
+export default App;
--- a/frontend/src/components/AvailabilityHeatmap.tsx
+++ b/frontend/src/components/AvailabilityHeatmap.tsx
@@ -0,0 +1,179 @@
+import { TimeSlot, Participant } from '@/types/calendar';
+import { days, hours } from '@/data/mockData';
+import { cn } from '@/lib/utils';
+import {
+  Popover,
+  PopoverContent,
+  PopoverTrigger,
+} from '@/components/ui/popover';
+import { Button } from '@/components/ui/button';
+import { Check, X } from 'lucide-react';
+
+interface AvailabilityHeatmapProps {
+  slots: TimeSlot[];
+  selectedParticipants: Participant[];
+  onSlotSelect: (slot: TimeSlot) => void;
+  showPartialAvailability?: boolean;
+}
+
+export const AvailabilityHeatmap = ({
+  slots,
+  selectedParticipants,
+  onSlotSelect,
+  showPartialAvailability = false,
+}: AvailabilityHeatmapProps) => {
+  const getSlot = (day: string, hour: number) => {
+    return slots.find((s) => s.day === day && s.hour === hour);
+  };
+
+  const getEffectiveAvailability = (slot: TimeSlot) => {
+    if (slot.availability === 'partial' && !showPartialAvailability) {
+      return 'none';
+    }
+    return slot.availability;
+  };
+
+  const formatHour = (hour: number) => {
+    return `${hour.toString().padStart(2, '0')}:00`;
+  };
+
+  const getWeekDateRange = () => {
+    const now = new Date();
+    const monday = new Date(now);
+    monday.setDate(now.getDate() - now.getDay() + 1);
+    const friday = new Date(monday);
+    friday.setDate(monday.getDate() + 4);
+
+    const format = (d: Date) => d.toLocaleDateString('en-US', { month: 'short', day: 'numeric' });
+    return `${format(monday)} – ${format(friday)}`;
+  };
+
+  if (selectedParticipants.length === 0) {
+    return (
+      <div className="bg-card rounded-xl shadow-card p-8 text-center animate-fade-in">
+        <div className="text-muted-foreground">
+          <p className="text-lg font-medium mb-2">Select participants to view availability</p>
+          <p className="text-sm">Add people from the search above to see their common free times</p>
+        </div>
+      </div>
+    );
+  }
+
+  return (
+    <div className="bg-card rounded-xl shadow-card p-6 animate-slide-up">
+      <div className="mb-6">
+        <h3 className="text-lg font-semibold text-foreground">
+          Common Availability — Week of {getWeekDateRange()}
+        </h3>
+        <p className="text-sm text-muted-foreground mt-1">
+          {selectedParticipants.length} participant{selectedParticipants.length > 1 ? 's' : ''}: {selectedParticipants.map(p => p.name.split(' ')[0]).join(', ')}
+        </p>
+      </div>
+
+      <div className="overflow-x-auto">
+        <div className="min-w-[600px]">
+          {/* Header */}
+          <div className="grid grid-cols-[60px_repeat(5,1fr)] gap-1 mb-2">
+            <div></div>
+            {days.map((day) => (
+              <div
+                key={day}
+                className="text-center text-sm font-medium text-muted-foreground py-2"
+              >
+                {day}
+              </div>
+            ))}
+          </div>
+
+          {/* Grid */}
+          <div className="space-y-1">
+            {hours.map((hour) => (
+              <div key={hour} className="grid grid-cols-[60px_repeat(5,1fr)] gap-1">
+                <div className="text-xs text-muted-foreground flex items-center justify-end pr-3">
+                  {formatHour(hour)}
+                </div>
+                {days.map((day) => {
+                  const slot = getSlot(day, hour);
+                  if (!slot) return <div key={`${day}-${hour}`} className="h-12 bg-muted rounded" />;
+
+                  const effectiveAvailability = getEffectiveAvailability(slot);
+
+                  return (
+                    <Popover key={`${day}-${hour}`}>
+                      <PopoverTrigger asChild>
+                        <button
+                          className={cn(
+                            "h-12 rounded-md transition-all duration-200 hover:scale-105 hover:shadow-md focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2",
+                            effectiveAvailability === 'full' && "bg-availability-full hover:bg-availability-full/90",
+                            effectiveAvailability === 'partial' && "bg-availability-partial hover:bg-availability-partial/90",
+                            effectiveAvailability === 'none' && "bg-availability-none hover:bg-availability-none/90"
+                          )}
+                        />
+                      </PopoverTrigger>
+                      <PopoverContent className="w-64 p-4 animate-scale-in" align="center">
+                        <div className="space-y-3">
+                          <div className="font-semibold text-foreground">
+                            {day} {formatHour(hour)}–{formatHour(hour + 1)}
+                          </div>
+                          <div className="space-y-2">
+                            {selectedParticipants.map((participant) => {
+                              const isAvailable = slot.availableParticipants.includes(participant.name);
+                              return (
+                                <div
+                                  key={participant.id}
+                                  className="flex items-center gap-2 text-sm"
+                                >
+                                  {isAvailable ? (
+                                    <Check className="w-4 h-4 text-availability-full" />
+                                  ) : (
+                                    <X className="w-4 h-4 text-destructive" />
+                                  )}
+                                  <span className={cn(
+                                    isAvailable ? "text-foreground" : "text-muted-foreground"
+                                  )}>
+                                    {participant.name.split(' ')[0]} {isAvailable ? 'free' : 'busy'}
+                                  </span>
+                                </div>
+                              );
+                            })}
+                          </div>
+                          {effectiveAvailability !== 'none' && (
+                            <Button
+                              variant="schedule"
+                              className="w-full mt-2"
+                              onClick={() => onSlotSelect(slot)}
+                            >
+                              Schedule
+                            </Button>
+                          )}
+                        </div>
+                      </PopoverContent>
+                    </Popover>
+                  );
+                })}
+              </div>
+            ))}
+          </div>
+        </div>
+      </div>
+
+      {/* Legend */}
+      <div className="flex items-center justify-center gap-6 mt-6 pt-4 border-t border-border">
+        <div className="flex items-center gap-2">
+          <div className="w-4 h-4 rounded bg-availability-full"></div>
+          <span className="text-xs text-muted-foreground">All free</span>
+        </div>
+        {showPartialAvailability && (
+          <div className="flex items-center gap-2">
+            <div className="w-4 h-4 rounded bg-availability-partial"></div>
+            <span className="text-xs text-muted-foreground">Partial</span>
+          </div>
+        )}
+        <div className="flex items-center gap-2">
+          <div className="w-4 h-4 rounded bg-availability-none"></div>
+          <span className="text-xs text-muted-foreground">No overlap</span>
+        </div>
+      </div>
+    </div>
+  );
+};
--- a/frontend/src/components/CalendarConnectCard.tsx
+++ b/frontend/src/components/CalendarConnectCard.tsx
@@ -0,0 +1,78 @@
+import { Button } from '@/components/ui/button';
+import { Check, Shield } from 'lucide-react';
+import { useState } from 'react';
+import { toast } from '@/hooks/use-toast';
+
+interface CalendarConnectCardProps {
+  onConnect: () => void;
+}
+
+const providers = [
+  { id: 'google', name: 'Google', color: 'hover:border-red-400' },
+  { id: 'ical', name: 'iCal (.ics)', color: 'hover:border-blue-400' },
+  { id: 'fastmail', name: 'Fastmail', color: 'hover:border-purple-400' },
+];
+
+export const CalendarConnectCard = ({ onConnect }: CalendarConnectCardProps) => {
+  const [connecting, setConnecting] = useState<string | null>(null);
+
+  const handleConnect = (providerId: string) => {
+    setConnecting(providerId);
+
+    // Simulate OAuth connection
+    setTimeout(() => {
+      setConnecting(null);
+      toast({
+        title: "Calendar successfully connected",
+        description: "Auto-sync enabled",
+      });
+      onConnect();
+    }, 1500);
+  };
+
+  return (
+    <div className="bg-card rounded-xl shadow-card p-8 max-w-xl mx-auto animate-fade-in">
+      <h2 className="text-2xl font-semibold text-foreground mb-2 text-center">
+        Connect Your Calendar
+      </h2>
+      <p className="text-muted-foreground text-center mb-8">
+        Choose your provider to get started
+      </p>
+
+      <div className="grid grid-cols-3 gap-4 mb-8">
+        {providers.map((provider) => (
+          <Button
+            key={provider.id}
+            variant="provider"
+            className={`h-20 flex-col gap-2 ${provider.color} ${connecting === provider.id ? 'animate-pulse-subtle' : ''}`}
+            onClick={() => handleConnect(provider.id)}
+            disabled={connecting !== null}
+          >
+            <span className="font-semibold">{provider.name}</span>
+          </Button>
+        ))}
+      </div>
+
+      <div className="space-y-3 text-sm text-muted-foreground">
+        <div className="flex items-center gap-3">
+          <div className="w-5 h-5 rounded-full bg-availability-full/20 flex items-center justify-center">
+            <Check className="w-3 h-3 text-availability-full" />
+          </div>
+          <span>Only free/busy information is accessed</span>
+        </div>
+        <div className="flex items-center gap-3">
+          <div className="w-5 h-5 rounded-full bg-availability-full/20 flex items-center justify-center">
+            <Check className="w-3 h-3 text-availability-full" />
+          </div>
+          <span>Your event names, notes, and attendees stay private</span>
+        </div>
+        <div className="flex items-center gap-3">
+          <div className="w-5 h-5 rounded-full bg-availability-full/20 flex items-center justify-center">
+            <Shield className="w-3 h-3 text-availability-full" />
+          </div>
+          <span>Your availability auto-syncs in the background</span>
+        </div>
+      </div>
+    </div>
+  );
+};
--- a/frontend/src/components/Header.tsx
+++ b/frontend/src/components/Header.tsx
@@ -0,0 +1,24 @@
+import { Calendar } from 'lucide-react';
+
+export const Header = () => {
+  return (
+    <header className="border-b border-border bg-card/50 backdrop-blur-sm sticky top-0 z-50">
+      <div className="container max-w-5xl mx-auto px-4 py-4 flex items-center justify-between">
+        <div className="flex items-center gap-3">
+          <div className="w-10 h-10 rounded-xl bg-primary flex items-center justify-center">
+            <Calendar className="w-5 h-5 text-primary-foreground" />
+          </div>
+          <div>
+            <h1 className="font-semibold text-foreground text-lg">Monadical</h1>
+            <p className="text-xs text-muted-foreground">Calendar Coordination</p>
+          </div>
+        </div>
+        <div className="flex items-center gap-2">
+          <div className="w-8 h-8 rounded-full bg-primary/10 flex items-center justify-center text-sm font-medium text-primary">
+            AR
+          </div>
+        </div>
+      </div>
+    </header>
+  );
+};
--- a/frontend/src/components/NavLink.tsx
+++ b/frontend/src/components/NavLink.tsx
@@ -0,0 +1,28 @@
+import { NavLink as RouterNavLink, NavLinkProps } from "react-router-dom";
+import { forwardRef } from "react";
+import { cn } from "@/lib/utils";
+
+interface NavLinkCompatProps extends Omit<NavLinkProps, "className"> {
+  className?: string;
+  activeClassName?: string;
+  pendingClassName?: string;
+}
+
+const NavLink = forwardRef<HTMLAnchorElement, NavLinkCompatProps>(
+  ({ className, activeClassName, pendingClassName, to, ...props }, ref) => {
+    return (
+      <RouterNavLink
+        ref={ref}
+        to={to}
+        className={({ isActive, isPending }) =>
+          cn(className, isActive && activeClassName, isPending && pendingClassName)
+        }
+        {...props}
+      />
+    );
+  },
+);
+
+NavLink.displayName = "NavLink";
+
+export { NavLink };
--- a/frontend/src/components/ParticipantManager.tsx
+++ b/frontend/src/components/ParticipantManager.tsx
@@ -0,0 +1,153 @@
+import { useState } from 'react';
+import { Participant } from '@/types/calendar';
+import { Input } from '@/components/ui/input';
+import { Button } from '@/components/ui/button';
+import { Label } from '@/components/ui/label';
+import { UserPlus, Trash2, User } from 'lucide-react';
+import { useToast } from '@/hooks/use-toast';
+
+interface ParticipantManagerProps {
+  participants: Participant[];
+  onAddParticipant: (participant: { name: string; email: string; icsLink: string }) => void;
+  onRemoveParticipant: (id: string) => void;
+}
+
+export const ParticipantManager = ({
+  participants,
+  onAddParticipant,
+  onRemoveParticipant,
+}: ParticipantManagerProps) => {
+  const [name, setName] = useState('');
+  const [email, setEmail] = useState('');
+  const [icsLink, setIcsLink] = useState('');
+  const { toast } = useToast();
+
+  const handleSubmit = (e: React.FormEvent) => {
+    e.preventDefault();
+
+    if (!name.trim() || !email.trim() || !icsLink.trim()) {
+      toast({
+        title: "Missing fields",
+        description: "Please fill in all fields",
+        variant: "destructive",
+      });
+      return;
+    }
+
+    onAddParticipant({ name: name.trim(), email: email.trim(), icsLink: icsLink.trim() });
+    setName('');
+    setEmail('');
+    setIcsLink('');
+
+    toast({
+      title: "Participant added",
+      description: `${name} has been added successfully`,
+    });
+  };
+
+  const getInitials = (name: string) => {
+    return name
+      .split(' ')
+      .map((n) => n[0])
+      .join('')
+      .toUpperCase()
+      .slice(0, 2);
+  };
+
+  return (
+    <div className="space-y-8">
+      {/* Add Participant Form */}
+      <div className="bg-card rounded-xl shadow-card p-6">
+        <h3 className="text-lg font-semibold text-foreground mb-4 flex items-center gap-2">
+          <UserPlus className="w-5 h-5 text-primary" />
+          Add Participant
+        </h3>
+
+        <form onSubmit={handleSubmit} className="space-y-4">
+          <div className="grid gap-4 sm:grid-cols-3">
+            <div className="space-y-2">
+              <Label htmlFor="name">Name</Label>
+              <Input
+                id="name"
+                placeholder="John Doe"
+                value={name}
+                onChange={(e) => setName(e.target.value)}
+                className="bg-background"
+              />
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="email">Email</Label>
+              <Input
+                id="email"
+                type="email"
+                placeholder="john@example.com"
+                value={email}
+                onChange={(e) => setEmail(e.target.value)}
+                className="bg-background"
+              />
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="icsLink">Calendar ICS Link</Label>
+              <Input
+                id="icsLink"
+                placeholder="https://calendar.google.com/..."
+                value={icsLink}
+                onChange={(e) => setIcsLink(e.target.value)}
+                className="bg-background"
+              />
+            </div>
+          </div>
+
+          <Button type="submit" className="w-full sm:w-auto">
+            <UserPlus className="w-4 h-4 mr-2" />
+            Add Participant
+          </Button>
+        </form>
+      </div>
+
+      {/* Participants List */}
+      <div className="bg-card rounded-xl shadow-card p-6">
+        <h3 className="text-lg font-semibold text-foreground mb-4">
+          Participants ({participants.length})
+        </h3>
+
+        {participants.length === 0 ? (
+          <div className="text-center py-8 text-muted-foreground">
+            <User className="w-12 h-12 mx-auto mb-3 opacity-50" />
+            <p>No participants yet. Add someone above to get started.</p>
+          </div>
+        ) : (
+          <div className="space-y-3">
+            {participants.map((participant) => (
+              <div
+                key={participant.id}
+                className="flex items-center justify-between p-4 bg-background rounded-lg border border-border"
+              >
+                <div className="flex items-center gap-3">
+                  <div className="w-10 h-10 rounded-full bg-primary/10 flex items-center justify-center text-sm font-medium text-primary">
+                    {getInitials(participant.name)}
+                  </div>
+                  <div>
+                    <div className="font-medium text-foreground">{participant.name}</div>
+                    <div className="text-sm text-muted-foreground">{participant.email}</div>
+                  </div>
+                </div>
+
+                <Button
+                  variant="ghost"
+                  size="icon"
+                  onClick={() => onRemoveParticipant(participant.id)}
+                  className="text-muted-foreground hover:text-destructive"
+                >
+                  <Trash2 className="w-4 h-4" />
+                </Button>
+              </div>
+            ))}
+          </div>
+        )}
+      </div>
+    </div>
+  );
+};
--- a/frontend/src/components/ParticipantSelector.tsx
+++ b/frontend/src/components/ParticipantSelector.tsx
@@ -0,0 +1,122 @@
+import { useState } from 'react';
+import { Participant } from '@/types/calendar';
+import { Input } from '@/components/ui/input';
+import { X, Plus, Search, User } from 'lucide-react';
+import { cn } from '@/lib/utils';
+
+interface ParticipantSelectorProps {
+  participants: Participant[];
+  selectedParticipants: Participant[];
+  onSelectionChange: (participants: Participant[]) => void;
+}
+
+export const ParticipantSelector = ({
+  participants,
+  selectedParticipants,
+  onSelectionChange,
+}: ParticipantSelectorProps) => {
+  const [searchQuery, setSearchQuery] = useState('');
+  const [isDropdownOpen, setIsDropdownOpen] = useState(false);
+
+  const filteredParticipants = participants.filter(
+    (p) =>
+      !selectedParticipants.find((sp) => sp.id === p.id) &&
+      (p.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
+        p.email.toLowerCase().includes(searchQuery.toLowerCase()))
+  );
+
+  const addParticipant = (participant: Participant) => {
+    onSelectionChange([...selectedParticipants, participant]);
+    setSearchQuery('');
+    setIsDropdownOpen(false);
+  };
+
+  const removeParticipant = (participantId: string) => {
+    onSelectionChange(selectedParticipants.filter((p) => p.id !== participantId));
+  };
+
+  const getInitials = (name: string) => {
+    return name
+      .split(' ')
+      .map((n) => n[0])
+      .join('')
+      .toUpperCase()
+      .slice(0, 2);
+  };
+
+  return (
+    <div className="space-y-4">
+      <div className="relative">
+        <Search className="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-muted-foreground" />
+        <Input
+          placeholder="Search people..."
+          value={searchQuery}
+          onChange={(e) => {
+            setSearchQuery(e.target.value);
+            setIsDropdownOpen(true);
+          }}
+          onFocus={() => setIsDropdownOpen(true)}
+          className="pl-10 h-12 bg-background border-border"
+        />
+
+        {isDropdownOpen && filteredParticipants.length > 0 && (
+          <div className="absolute z-10 w-full mt-2 bg-popover border border-border rounded-lg shadow-popover animate-scale-in overflow-hidden">
+            {filteredParticipants.map((participant) => (
+              <button
+                key={participant.id}
+                onClick={() => addParticipant(participant)}
+                className="w-full px-4 py-3 flex items-center gap-3 hover:bg-accent transition-colors text-left"
+              >
+                <div className="w-8 h-8 rounded-full bg-primary/10 flex items-center justify-center text-xs font-medium text-primary">
+                  {getInitials(participant.name)}
+                </div>
+                <div>
+                  <div className="font-medium text-foreground">{participant.name}</div>
+                  <div className="text-xs text-muted-foreground">{participant.email}</div>
+                </div>
+                {!participant.connected && (
+                  <span className="ml-auto text-xs text-muted-foreground bg-muted px-2 py-0.5 rounded">
+                    Not connected
+                  </span>
+                )}
+              </button>
+            ))}
+          </div>
+        )}
+      </div>
+
+      {selectedParticipants.length > 0 && (
+        <div className="flex flex-wrap gap-2">
+          {selectedParticipants.map((participant, index) => (
+            <div
+              key={participant.id}
+              className={cn(
+                "flex items-center gap-2 bg-accent text-accent-foreground px-3 py-2 rounded-full text-sm animate-scale-in",
+                "border border-primary/20"
+              )}
+              style={{ animationDelay: `${index * 50}ms` }}
+            >
+              <div className="w-6 h-6 rounded-full bg-primary/20 flex items-center justify-center text-xs font-medium">
+                {getInitials(participant.name)}
+              </div>
+              <span className="font-medium">{participant.name.split(' ')[0]}</span>
+              <button
+                onClick={() => removeParticipant(participant.id)}
+                className="w-5 h-5 rounded-full hover:bg-primary/20 flex items-center justify-center transition-colors"
+              >
+                <X className="w-3 h-3" />
+              </button>
+            </div>
+          ))}
+          <button
+            onClick={() => setIsDropdownOpen(true)}
+            className="flex items-center gap-1 px-3 py-2 rounded-full text-sm border-2 border-dashed border-border text-muted-foreground hover:border-primary hover:text-primary transition-colors"
+          >
+            <Plus className="w-4 h-4" />
+            <span>Add</span>
+          </button>
+        </div>
+      )}
+    </div>
+  );
+};
--- a/frontend/src/components/ScheduleModal.tsx
+++ b/frontend/src/components/ScheduleModal.tsx
@@ -0,0 +1,132 @@
+import { useState } from 'react';
+import { TimeSlot, Participant } from '@/types/calendar';
+import {
+  Dialog,
+  DialogContent,
+  DialogHeader,
+  DialogTitle,
+} from '@/components/ui/dialog';
+import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
+import { Textarea } from '@/components/ui/textarea';
+import { Label } from '@/components/ui/label';
+import { toast } from '@/hooks/use-toast';
+import { Calendar, Clock, Users, Send } from 'lucide-react';
+
+interface ScheduleModalProps {
+  isOpen: boolean;
+  onClose: () => void;
+  slot: TimeSlot | null;
+  participants: Participant[];
+}
+
+export const ScheduleModal = ({
+  isOpen,
+  onClose,
+  slot,
+  participants,
+}: ScheduleModalProps) => {
+  const [title, setTitle] = useState('');
+  const [notes, setNotes] = useState('');
+  const [isSubmitting, setIsSubmitting] = useState(false);
+
+  const formatHour = (hour: number) => {
+    return `${hour.toString().padStart(2, '0')}:00`;
+  };
+
+  const handleSubmit = () => {
+    if (!title.trim()) {
+      toast({
+        title: "Please enter a meeting title",
+        variant: "destructive",
+      });
+      return;
+    }
+
+    setIsSubmitting(true);
+
+    // Simulate API call
+    setTimeout(() => {
+      setIsSubmitting(false);
+      toast({
+        title: "Meeting scheduled",
+        description: "Invitations sent to all participants",
+      });
+      setTitle('');
+      setNotes('');
+      onClose();
+    }, 1000);
+  };
+
+  if (!slot) return null;
+
+  return (
+    <Dialog open={isOpen} onOpenChange={onClose}>
+      <DialogContent className="sm:max-w-md animate-scale-in">
+        <DialogHeader>
+          <DialogTitle className="text-xl font-semibold">Schedule Meeting</DialogTitle>
+        </DialogHeader>
+
+        <div className="space-y-6 pt-4">
+          {/* Time Info */}
+          <div className="bg-accent/50 rounded-lg p-4 space-y-3">
+            <div className="flex items-center gap-3 text-sm">
+              <Calendar className="w-4 h-4 text-primary" />
+              <span className="font-medium">{slot.day}</span>
+            </div>
+            <div className="flex items-center gap-3 text-sm">
+              <Clock className="w-4 h-4 text-primary" />
+              <span>{formatHour(slot.hour)} – {formatHour(slot.hour + 1)}</span>
+            </div>
+            <div className="flex items-center gap-3 text-sm">
+              <Users className="w-4 h-4 text-primary" />
+              <span>{participants.map(p => p.name.split(' ')[0]).join(', ')}</span>
+            </div>
+          </div>
+
+          {/* Form */}
+          <div className="space-y-4">
+            <div className="space-y-2">
+              <Label htmlFor="title">Meeting Title</Label>
+              <Input
+                id="title"
+                placeholder="Team Sync"
+                value={title}
+                onChange={(e) => setTitle(e.target.value)}
+                className="h-12"
+              />
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="notes">Notes (optional)</Label>
+              <Textarea
+                id="notes"
+                placeholder="Add any notes or agenda items..."
+                value={notes}
+                onChange={(e) => setNotes(e.target.value)}
+                rows={3}
+              />
+            </div>
+          </div>
+
+          {/* Actions */}
+          <Button
+            variant="schedule"
+            className="w-full h-12"
+            onClick={handleSubmit}
+            disabled={isSubmitting}
+          >
+            {isSubmitting ? (
+              <span className="animate-pulse">Sending...</span>
+            ) : (
+              <>
+                <Send className="w-4 h-4" />
+                Send Invites
+              </>
+            )}
+          </Button>
+        </div>
+      </DialogContent>
+    </Dialog>
+  );
+};
--- a/frontend/src/components/ui/accordion.tsx
+++ b/frontend/src/components/ui/accordion.tsx
@@ -0,0 +1,52 @@
+import * as React from "react";
+import * as AccordionPrimitive from "@radix-ui/react-accordion";
+import { ChevronDown } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const Accordion = AccordionPrimitive.Root;
+
+const AccordionItem = React.forwardRef<
+  React.ElementRef<typeof AccordionPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof AccordionPrimitive.Item>
+>(({ className, ...props }, ref) => (
+  <AccordionPrimitive.Item ref={ref} className={cn("border-b", className)} {...props} />
+));
+AccordionItem.displayName = "AccordionItem";
+
+const AccordionTrigger = React.forwardRef<
+  React.ElementRef<typeof AccordionPrimitive.Trigger>,
+  React.ComponentPropsWithoutRef<typeof AccordionPrimitive.Trigger>
+>(({ className, children, ...props }, ref) => (
+  <AccordionPrimitive.Header className="flex">
+    <AccordionPrimitive.Trigger
+      ref={ref}
+      className={cn(
+        "flex flex-1 items-center justify-between py-4 font-medium transition-all hover:underline [&[data-state=open]>svg]:rotate-180",
+        className,
+      )}
+      {...props}
+    >
+      {children}
+      <ChevronDown className="h-4 w-4 shrink-0 transition-transform duration-200" />
+    </AccordionPrimitive.Trigger>
+  </AccordionPrimitive.Header>
+));
+AccordionTrigger.displayName = AccordionPrimitive.Trigger.displayName;
+
+const AccordionContent = React.forwardRef<
+  React.ElementRef<typeof AccordionPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof AccordionPrimitive.Content>
+>(({ className, children, ...props }, ref) => (
+  <AccordionPrimitive.Content
+    ref={ref}
+    className="overflow-hidden text-sm transition-all data-[state=closed]:animate-accordion-up data-[state=open]:animate-accordion-down"
+    {...props}
+  >
+    <div className={cn("pb-4 pt-0", className)}>{children}</div>
+  </AccordionPrimitive.Content>
+));
+
+AccordionContent.displayName = AccordionPrimitive.Content.displayName;
+
+export { Accordion, AccordionItem, AccordionTrigger, AccordionContent };
--- a/frontend/src/components/ui/alert-dialog.tsx
+++ b/frontend/src/components/ui/alert-dialog.tsx
@@ -0,0 +1,104 @@
+import * as React from "react";
+import * as AlertDialogPrimitive from "@radix-ui/react-alert-dialog";
+
+import { cn } from "@/lib/utils";
+import { buttonVariants } from "@/components/ui/button";
+
+const AlertDialog = AlertDialogPrimitive.Root;
+
+const AlertDialogTrigger = AlertDialogPrimitive.Trigger;
+
+const AlertDialogPortal = AlertDialogPrimitive.Portal;
+
+const AlertDialogOverlay = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Overlay>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Overlay>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Overlay
+    className={cn(
+      "fixed inset-0 z-50 bg-black/80 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      className,
+    )}
+    {...props}
+    ref={ref}
+  />
+));
+AlertDialogOverlay.displayName = AlertDialogPrimitive.Overlay.displayName;
+
+const AlertDialogContent = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Content>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPortal>
+    <AlertDialogOverlay />
+    <AlertDialogPrimitive.Content
+      ref={ref}
+      className={cn(
+        "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
+        className,
+      )}
+      {...props}
+    />
+  </AlertDialogPortal>
+));
+AlertDialogContent.displayName = AlertDialogPrimitive.Content.displayName;
+
+const AlertDialogHeader = ({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) => (
+  <div className={cn("flex flex-col space-y-2 text-center sm:text-left", className)} {...props} />
+);
+AlertDialogHeader.displayName = "AlertDialogHeader";
+
+const AlertDialogFooter = ({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) => (
+  <div className={cn("flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2", className)} {...props} />
+);
+AlertDialogFooter.displayName = "AlertDialogFooter";
+
+const AlertDialogTitle = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Title>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Title>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Title ref={ref} className={cn("text-lg font-semibold", className)} {...props} />
+));
+AlertDialogTitle.displayName = AlertDialogPrimitive.Title.displayName;
+
+const AlertDialogDescription = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Description>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Description>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Description ref={ref} className={cn("text-sm text-muted-foreground", className)} {...props} />
+));
+AlertDialogDescription.displayName = AlertDialogPrimitive.Description.displayName;
+
+const AlertDialogAction = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Action>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Action>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Action ref={ref} className={cn(buttonVariants(), className)} {...props} />
+));
+AlertDialogAction.displayName = AlertDialogPrimitive.Action.displayName;
+
+const AlertDialogCancel = React.forwardRef<
+  React.ElementRef<typeof AlertDialogPrimitive.Cancel>,
+  React.ComponentPropsWithoutRef<typeof AlertDialogPrimitive.Cancel>
+>(({ className, ...props }, ref) => (
+  <AlertDialogPrimitive.Cancel
+    ref={ref}
+    className={cn(buttonVariants({ variant: "outline" }), "mt-2 sm:mt-0", className)}
+    {...props}
+  />
+));
+AlertDialogCancel.displayName = AlertDialogPrimitive.Cancel.displayName;
+
+export {
+  AlertDialog,
+  AlertDialogPortal,
+  AlertDialogOverlay,
+  AlertDialogTrigger,
+  AlertDialogContent,
+  AlertDialogHeader,
+  AlertDialogFooter,
+  AlertDialogTitle,
+  AlertDialogDescription,
+  AlertDialogAction,
+  AlertDialogCancel,
+};
--- a/frontend/src/components/ui/alert.tsx
+++ b/frontend/src/components/ui/alert.tsx
@@ -0,0 +1,43 @@
+import * as React from "react";
+import { cva, type VariantProps } from "class-variance-authority";
+
+import { cn } from "@/lib/utils";
+
+const alertVariants = cva(
+  "relative w-full rounded-lg border p-4 [&>svg~*]:pl-7 [&>svg+div]:translate-y-[-3px] [&>svg]:absolute [&>svg]:left-4 [&>svg]:top-4 [&>svg]:text-foreground",
+  {
+    variants: {
+      variant: {
+        default: "bg-background text-foreground",
+        destructive: "border-destructive/50 text-destructive dark:border-destructive [&>svg]:text-destructive",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  },
+);
+
+const Alert = React.forwardRef<
+  HTMLDivElement,
+  React.HTMLAttributes<HTMLDivElement> & VariantProps<typeof alertVariants>
+>(({ className, variant, ...props }, ref) => (
+  <div ref={ref} role="alert" className={cn(alertVariants({ variant }), className)} {...props} />
+));
+Alert.displayName = "Alert";
+
+const AlertTitle = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLHeadingElement>>(
+  ({ className, ...props }, ref) => (
+    <h5 ref={ref} className={cn("mb-1 font-medium leading-none tracking-tight", className)} {...props} />
+  ),
+);
+AlertTitle.displayName = "AlertTitle";
+
+const AlertDescription = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLParagraphElement>>(
+  ({ className, ...props }, ref) => (
+    <div ref={ref} className={cn("text-sm [&_p]:leading-relaxed", className)} {...props} />
+  ),
+);
+AlertDescription.displayName = "AlertDescription";
+
+export { Alert, AlertTitle, AlertDescription };
--- a/frontend/src/components/ui/aspect-ratio.tsx
+++ b/frontend/src/components/ui/aspect-ratio.tsx
@@ -0,0 +1,5 @@
+import * as AspectRatioPrimitive from "@radix-ui/react-aspect-ratio";
+
+const AspectRatio = AspectRatioPrimitive.Root;
+
+export { AspectRatio };
--- a/frontend/src/components/ui/avatar.tsx
+++ b/frontend/src/components/ui/avatar.tsx
@@ -0,0 +1,38 @@
+import * as React from "react";
+import * as AvatarPrimitive from "@radix-ui/react-avatar";
+
+import { cn } from "@/lib/utils";
+
+const Avatar = React.forwardRef<
+  React.ElementRef<typeof AvatarPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof AvatarPrimitive.Root>
+>(({ className, ...props }, ref) => (
+  <AvatarPrimitive.Root
+    ref={ref}
+    className={cn("relative flex h-10 w-10 shrink-0 overflow-hidden rounded-full", className)}
+    {...props}
+  />
+));
+Avatar.displayName = AvatarPrimitive.Root.displayName;
+
+const AvatarImage = React.forwardRef<
+  React.ElementRef<typeof AvatarPrimitive.Image>,
+  React.ComponentPropsWithoutRef<typeof AvatarPrimitive.Image>
+>(({ className, ...props }, ref) => (
+  <AvatarPrimitive.Image ref={ref} className={cn("aspect-square h-full w-full", className)} {...props} />
+));
+AvatarImage.displayName = AvatarPrimitive.Image.displayName;
+
+const AvatarFallback = React.forwardRef<
+  React.ElementRef<typeof AvatarPrimitive.Fallback>,
+  React.ComponentPropsWithoutRef<typeof AvatarPrimitive.Fallback>
+>(({ className, ...props }, ref) => (
+  <AvatarPrimitive.Fallback
+    ref={ref}
+    className={cn("flex h-full w-full items-center justify-center rounded-full bg-muted", className)}
+    {...props}
+  />
+));
+AvatarFallback.displayName = AvatarPrimitive.Fallback.displayName;
+
+export { Avatar, AvatarImage, AvatarFallback };
--- a/frontend/src/components/ui/badge.tsx
+++ b/frontend/src/components/ui/badge.tsx
@@ -0,0 +1,29 @@
+import * as React from "react";
+import { cva, type VariantProps } from "class-variance-authority";
+
+import { cn } from "@/lib/utils";
+
+const badgeVariants = cva(
+  "inline-flex items-center rounded-full border px-2.5 py-0.5 text-xs font-semibold transition-colors focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2",
+  {
+    variants: {
+      variant: {
+        default: "border-transparent bg-primary text-primary-foreground hover:bg-primary/80",
+        secondary: "border-transparent bg-secondary text-secondary-foreground hover:bg-secondary/80",
+        destructive: "border-transparent bg-destructive text-destructive-foreground hover:bg-destructive/80",
+        outline: "text-foreground",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  },
+);
+
+export interface BadgeProps extends React.HTMLAttributes<HTMLDivElement>, VariantProps<typeof badgeVariants> {}
+
+function Badge({ className, variant, ...props }: BadgeProps) {
+  return <div className={cn(badgeVariants({ variant }), className)} {...props} />;
+}
+
+export { Badge, badgeVariants };
--- a/frontend/src/components/ui/breadcrumb.tsx
+++ b/frontend/src/components/ui/breadcrumb.tsx
@@ -0,0 +1,90 @@
+import * as React from "react";
+import { Slot } from "@radix-ui/react-slot";
+import { ChevronRight, MoreHorizontal } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const Breadcrumb = React.forwardRef<
+  HTMLElement,
+  React.ComponentPropsWithoutRef<"nav"> & {
+    separator?: React.ReactNode;
+  }
+>(({ ...props }, ref) => <nav ref={ref} aria-label="breadcrumb" {...props} />);
+Breadcrumb.displayName = "Breadcrumb";
+
+const BreadcrumbList = React.forwardRef<HTMLOListElement, React.ComponentPropsWithoutRef<"ol">>(
+  ({ className, ...props }, ref) => (
+    <ol
+      ref={ref}
+      className={cn(
+        "flex flex-wrap items-center gap-1.5 break-words text-sm text-muted-foreground sm:gap-2.5",
+        className,
+      )}
+      {...props}
+    />
+  ),
+);
+BreadcrumbList.displayName = "BreadcrumbList";
+
+const BreadcrumbItem = React.forwardRef<HTMLLIElement, React.ComponentPropsWithoutRef<"li">>(
+  ({ className, ...props }, ref) => (
+    <li ref={ref} className={cn("inline-flex items-center gap-1.5", className)} {...props} />
+  ),
+);
+BreadcrumbItem.displayName = "BreadcrumbItem";
+
+const BreadcrumbLink = React.forwardRef<
+  HTMLAnchorElement,
+  React.ComponentPropsWithoutRef<"a"> & {
+    asChild?: boolean;
+  }
+>(({ asChild, className, ...props }, ref) => {
+  const Comp = asChild ? Slot : "a";
+
+  return <Comp ref={ref} className={cn("transition-colors hover:text-foreground", className)} {...props} />;
+});
+BreadcrumbLink.displayName = "BreadcrumbLink";
+
+const BreadcrumbPage = React.forwardRef<HTMLSpanElement, React.ComponentPropsWithoutRef<"span">>(
+  ({ className, ...props }, ref) => (
+    <span
+      ref={ref}
+      role="link"
+      aria-disabled="true"
+      aria-current="page"
+      className={cn("font-normal text-foreground", className)}
+      {...props}
+    />
+  ),
+);
+BreadcrumbPage.displayName = "BreadcrumbPage";
+
+const BreadcrumbSeparator = ({ children, className, ...props }: React.ComponentProps<"li">) => (
+  <li role="presentation" aria-hidden="true" className={cn("[&>svg]:size-3.5", className)} {...props}>
+    {children ?? <ChevronRight />}
+  </li>
+);
+BreadcrumbSeparator.displayName = "BreadcrumbSeparator";
+
+const BreadcrumbEllipsis = ({ className, ...props }: React.ComponentProps<"span">) => (
+  <span
+    role="presentation"
+    aria-hidden="true"
+    className={cn("flex h-9 w-9 items-center justify-center", className)}
+    {...props}
+  >
+    <MoreHorizontal className="h-4 w-4" />
+    <span className="sr-only">More</span>
+  </span>
+);
+BreadcrumbEllipsis.displayName = "BreadcrumbElipssis";
+
+export {
+  Breadcrumb,
+  BreadcrumbList,
+  BreadcrumbItem,
+  BreadcrumbLink,
+  BreadcrumbPage,
+  BreadcrumbSeparator,
+  BreadcrumbEllipsis,
+};
--- a/frontend/src/components/ui/button.tsx
+++ b/frontend/src/components/ui/button.tsx
@@ -0,0 +1,49 @@
+import * as React from "react";
+import { Slot } from "@radix-ui/react-slot";
+import { cva, type VariantProps } from "class-variance-authority";
+
+import { cn } from "@/lib/utils";
+
+const buttonVariants = cva(
+  "inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-lg text-sm font-medium transition-all duration-200 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
+  {
+    variants: {
+      variant: {
+        default: "bg-primary text-primary-foreground hover:bg-primary/90 shadow-sm hover:shadow-md active:scale-[0.98]",
+        destructive: "bg-destructive text-destructive-foreground hover:bg-destructive/90 shadow-sm",
+        outline: "border border-input bg-background hover:bg-accent hover:text-accent-foreground",
+        secondary: "bg-secondary text-secondary-foreground hover:bg-secondary/80",
+        ghost: "hover:bg-accent hover:text-accent-foreground",
+        link: "text-primary underline-offset-4 hover:underline",
+        provider: "border-2 border-border bg-card text-foreground hover:border-primary hover:bg-accent shadow-sm hover:shadow-md transition-all duration-200",
+        schedule: "bg-primary text-primary-foreground hover:bg-primary/90 shadow-lg hover:shadow-xl active:scale-[0.98] font-semibold",
+      },
+      size: {
+        default: "h-10 px-4 py-2",
+        sm: "h-9 rounded-md px-3",
+        lg: "h-12 rounded-lg px-8 text-base",
+        icon: "h-10 w-10",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  },
+);
+
+export interface ButtonProps
+  extends React.ButtonHTMLAttributes<HTMLButtonElement>,
+    VariantProps<typeof buttonVariants> {
+  asChild?: boolean;
+}
+
+const Button = React.forwardRef<HTMLButtonElement, ButtonProps>(
+  ({ className, variant, size, asChild = false, ...props }, ref) => {
+    const Comp = asChild ? Slot : "button";
+    return <Comp className={cn(buttonVariants({ variant, size, className }))} ref={ref} {...props} />;
+  },
+);
+Button.displayName = "Button";
+
+export { Button, buttonVariants };
--- a/frontend/src/components/ui/calendar.tsx
+++ b/frontend/src/components/ui/calendar.tsx
@@ -0,0 +1,54 @@
+import * as React from "react";
+import { ChevronLeft, ChevronRight } from "lucide-react";
+import { DayPicker } from "react-day-picker";
+
+import { cn } from "@/lib/utils";
+import { buttonVariants } from "@/components/ui/button";
+
+export type CalendarProps = React.ComponentProps<typeof DayPicker>;
+
+function Calendar({ className, classNames, showOutsideDays = true, ...props }: CalendarProps) {
+  return (
+    <DayPicker
+      showOutsideDays={showOutsideDays}
+      className={cn("p-3", className)}
+      classNames={{
+        months: "flex flex-col sm:flex-row space-y-4 sm:space-x-4 sm:space-y-0",
+        month: "space-y-4",
+        caption: "flex justify-center pt-1 relative items-center",
+        caption_label: "text-sm font-medium",
+        nav: "space-x-1 flex items-center",
+        nav_button: cn(
+          buttonVariants({ variant: "outline" }),
+          "h-7 w-7 bg-transparent p-0 opacity-50 hover:opacity-100",
+        ),
+        nav_button_previous: "absolute left-1",
+        nav_button_next: "absolute right-1",
+        table: "w-full border-collapse space-y-1",
+        head_row: "flex",
+        head_cell: "text-muted-foreground rounded-md w-9 font-normal text-[0.8rem]",
+        row: "flex w-full mt-2",
+        cell: "h-9 w-9 text-center text-sm p-0 relative [&:has([aria-selected].day-range-end)]:rounded-r-md [&:has([aria-selected].day-outside)]:bg-accent/50 [&:has([aria-selected])]:bg-accent first:[&:has([aria-selected])]:rounded-l-md last:[&:has([aria-selected])]:rounded-r-md focus-within:relative focus-within:z-20",
+        day: cn(buttonVariants({ variant: "ghost" }), "h-9 w-9 p-0 font-normal aria-selected:opacity-100"),
+        day_range_end: "day-range-end",
+        day_selected:
+          "bg-primary text-primary-foreground hover:bg-primary hover:text-primary-foreground focus:bg-primary focus:text-primary-foreground",
+        day_today: "bg-accent text-accent-foreground",
+        day_outside:
+          "day-outside text-muted-foreground opacity-50 aria-selected:bg-accent/50 aria-selected:text-muted-foreground aria-selected:opacity-30",
+        day_disabled: "text-muted-foreground opacity-50",
+        day_range_middle: "aria-selected:bg-accent aria-selected:text-accent-foreground",
+        day_hidden: "invisible",
+        ...classNames,
+      }}
+      components={{
+        IconLeft: ({ ..._props }) => <ChevronLeft className="h-4 w-4" />,
+        IconRight: ({ ..._props }) => <ChevronRight className="h-4 w-4" />,
+      }}
+      {...props}
+    />
+  );
+}
+Calendar.displayName = "Calendar";
+
+export { Calendar };
--- a/frontend/src/components/ui/card.tsx
+++ b/frontend/src/components/ui/card.tsx
@@ -0,0 +1,43 @@
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+const Card = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(({ className, ...props }, ref) => (
+  <div ref={ref} className={cn("rounded-lg border bg-card text-card-foreground shadow-sm", className)} {...props} />
+));
+Card.displayName = "Card";
+
+const CardHeader = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
+  ({ className, ...props }, ref) => (
+    <div ref={ref} className={cn("flex flex-col space-y-1.5 p-6", className)} {...props} />
+  ),
+);
+CardHeader.displayName = "CardHeader";
+
+const CardTitle = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLHeadingElement>>(
+  ({ className, ...props }, ref) => (
+    <h3 ref={ref} className={cn("text-2xl font-semibold leading-none tracking-tight", className)} {...props} />
+  ),
+);
+CardTitle.displayName = "CardTitle";
+
+const CardDescription = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLParagraphElement>>(
+  ({ className, ...props }, ref) => (
+    <p ref={ref} className={cn("text-sm text-muted-foreground", className)} {...props} />
+  ),
+);
+CardDescription.displayName = "CardDescription";
+
+const CardContent = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
+  ({ className, ...props }, ref) => <div ref={ref} className={cn("p-6 pt-0", className)} {...props} />,
+);
+CardContent.displayName = "CardContent";
+
+const CardFooter = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
+  ({ className, ...props }, ref) => (
+    <div ref={ref} className={cn("flex items-center p-6 pt-0", className)} {...props} />
+  ),
+);
+CardFooter.displayName = "CardFooter";
+
+export { Card, CardHeader, CardFooter, CardTitle, CardDescription, CardContent };
--- a/frontend/src/components/ui/carousel.tsx
+++ b/frontend/src/components/ui/carousel.tsx
@@ -0,0 +1,224 @@
+import * as React from "react";
+import useEmblaCarousel, { type UseEmblaCarouselType } from "embla-carousel-react";
+import { ArrowLeft, ArrowRight } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+import { Button } from "@/components/ui/button";
+
+type CarouselApi = UseEmblaCarouselType[1];
+type UseCarouselParameters = Parameters<typeof useEmblaCarousel>;
+type CarouselOptions = UseCarouselParameters[0];
+type CarouselPlugin = UseCarouselParameters[1];
+
+type CarouselProps = {
+  opts?: CarouselOptions;
+  plugins?: CarouselPlugin;
+  orientation?: "horizontal" | "vertical";
+  setApi?: (api: CarouselApi) => void;
+};
+
+type CarouselContextProps = {
+  carouselRef: ReturnType<typeof useEmblaCarousel>[0];
+  api: ReturnType<typeof useEmblaCarousel>[1];
+  scrollPrev: () => void;
+  scrollNext: () => void;
+  canScrollPrev: boolean;
+  canScrollNext: boolean;
+} & CarouselProps;
+
+const CarouselContext = React.createContext<CarouselContextProps | null>(null);
+
+function useCarousel() {
+  const context = React.useContext(CarouselContext);
+
+  if (!context) {
+    throw new Error("useCarousel must be used within a <Carousel />");
+  }
+
+  return context;
+}
+
+const Carousel = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement> & CarouselProps>(
+  ({ orientation = "horizontal", opts, setApi, plugins, className, children, ...props }, ref) => {
+    const [carouselRef, api] = useEmblaCarousel(
+      {
+        ...opts,
+        axis: orientation === "horizontal" ? "x" : "y",
+      },
+      plugins,
+    );
+    const [canScrollPrev, setCanScrollPrev] = React.useState(false);
+    const [canScrollNext, setCanScrollNext] = React.useState(false);
+
+    const onSelect = React.useCallback((api: CarouselApi) => {
+      if (!api) {
+        return;
+      }
+
+      setCanScrollPrev(api.canScrollPrev());
+      setCanScrollNext(api.canScrollNext());
+    }, []);
+
+    const scrollPrev = React.useCallback(() => {
+      api?.scrollPrev();
+    }, [api]);
+
+    const scrollNext = React.useCallback(() => {
+      api?.scrollNext();
+    }, [api]);
+
+    const handleKeyDown = React.useCallback(
+      (event: React.KeyboardEvent<HTMLDivElement>) => {
+        if (event.key === "ArrowLeft") {
+          event.preventDefault();
+          scrollPrev();
+        } else if (event.key === "ArrowRight") {
+          event.preventDefault();
+          scrollNext();
+        }
+      },
+      [scrollPrev, scrollNext],
+    );
+
+    React.useEffect(() => {
+      if (!api || !setApi) {
+        return;
+      }
+
+      setApi(api);
+    }, [api, setApi]);
+
+    React.useEffect(() => {
+      if (!api) {
+        return;
+      }
+
+      onSelect(api);
+      api.on("reInit", onSelect);
+      api.on("select", onSelect);
+
+      return () => {
+        api?.off("select", onSelect);
+      };
+    }, [api, onSelect]);
+
+    return (
+      <CarouselContext.Provider
+        value={{
+          carouselRef,
+          api: api,
+          opts,
+          orientation: orientation || (opts?.axis === "y" ? "vertical" : "horizontal"),
+          scrollPrev,
+          scrollNext,
+          canScrollPrev,
+          canScrollNext,
+        }}
+      >
+        <div
+          ref={ref}
+          onKeyDownCapture={handleKeyDown}
+          className={cn("relative", className)}
+          role="region"
+          aria-roledescription="carousel"
+          {...props}
+        >
+          {children}
+        </div>
+      </CarouselContext.Provider>
+    );
+  },
+);
+Carousel.displayName = "Carousel";
+
+const CarouselContent = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
+  ({ className, ...props }, ref) => {
+    const { carouselRef, orientation } = useCarousel();
+
+    return (
+      <div ref={carouselRef} className="overflow-hidden">
+        <div
+          ref={ref}
+          className={cn("flex", orientation === "horizontal" ? "-ml-4" : "-mt-4 flex-col", className)}
+          {...props}
+        />
+      </div>
+    );
+  },
+);
+CarouselContent.displayName = "CarouselContent";
+
+const CarouselItem = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
+  ({ className, ...props }, ref) => {
+    const { orientation } = useCarousel();
+
+    return (
+      <div
+        ref={ref}
+        role="group"
+        aria-roledescription="slide"
+        className={cn("min-w-0 shrink-0 grow-0 basis-full", orientation === "horizontal" ? "pl-4" : "pt-4", className)}
+        {...props}
+      />
+    );
+  },
+);
+CarouselItem.displayName = "CarouselItem";
+
+const CarouselPrevious = React.forwardRef<HTMLButtonElement, React.ComponentProps<typeof Button>>(
+  ({ className, variant = "outline", size = "icon", ...props }, ref) => {
+    const { orientation, scrollPrev, canScrollPrev } = useCarousel();
+
+    return (
+      <Button
+        ref={ref}
+        variant={variant}
+        size={size}
+        className={cn(
+          "absolute h-8 w-8 rounded-full",
+          orientation === "horizontal"
+            ? "-left-12 top-1/2 -translate-y-1/2"
+            : "-top-12 left-1/2 -translate-x-1/2 rotate-90",
+          className,
+        )}
+        disabled={!canScrollPrev}
+        onClick={scrollPrev}
+        {...props}
+      >
+        <ArrowLeft className="h-4 w-4" />
+        <span className="sr-only">Previous slide</span>
+      </Button>
+    );
+  },
+);
+CarouselPrevious.displayName = "CarouselPrevious";
+
+const CarouselNext = React.forwardRef<HTMLButtonElement, React.ComponentProps<typeof Button>>(
+  ({ className, variant = "outline", size = "icon", ...props }, ref) => {
+    const { orientation, scrollNext, canScrollNext } = useCarousel();
+
+    return (
+      <Button
+        ref={ref}
+        variant={variant}
+        size={size}
+        className={cn(
+          "absolute h-8 w-8 rounded-full",
+          orientation === "horizontal"
+            ? "-right-12 top-1/2 -translate-y-1/2"
+            : "-bottom-12 left-1/2 -translate-x-1/2 rotate-90",
+          className,
+        )}
+        disabled={!canScrollNext}
+        onClick={scrollNext}
+        {...props}
+      >
+        <ArrowRight className="h-4 w-4" />
+        <span className="sr-only">Next slide</span>
+      </Button>
+    );
+  },
+);
+CarouselNext.displayName = "CarouselNext";
+
+export { type CarouselApi, Carousel, CarouselContent, CarouselItem, CarouselPrevious, CarouselNext };
--- a/frontend/src/components/ui/chart.tsx
+++ b/frontend/src/components/ui/chart.tsx
@@ -0,0 +1,303 @@
+import * as React from "react";
+import * as RechartsPrimitive from "recharts";
+
+import { cn } from "@/lib/utils";
+
+// Format: { THEME_NAME: CSS_SELECTOR }
+const THEMES = { light: "", dark: ".dark" } as const;
+
+export type ChartConfig = {
+  [k in string]: {
+    label?: React.ReactNode;
+    icon?: React.ComponentType;
+  } & ({ color?: string; theme?: never } | { color?: never; theme: Record<keyof typeof THEMES, string> });
+};
+
+type ChartContextProps = {
+  config: ChartConfig;
+};
+
+const ChartContext = React.createContext<ChartContextProps | null>(null);
+
+function useChart() {
+  const context = React.useContext(ChartContext);
+
+  if (!context) {
+    throw new Error("useChart must be used within a <ChartContainer />");
+  }
+
+  return context;
+}
+
+const ChartContainer = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & {
+    config: ChartConfig;
+    children: React.ComponentProps<typeof RechartsPrimitive.ResponsiveContainer>["children"];
+  }
+>(({ id, className, children, config, ...props }, ref) => {
+  const uniqueId = React.useId();
+  const chartId = `chart-${id || uniqueId.replace(/:/g, "")}`;
+
+  return (
+    <ChartContext.Provider value={{ config }}>
+      <div
+        data-chart={chartId}
+        ref={ref}
+        className={cn(
+          "flex aspect-video justify-center text-xs [&_.recharts-cartesian-axis-tick_text]:fill-muted-foreground [&_.recharts-cartesian-grid_line[stroke='#ccc']]:stroke-border/50 [&_.recharts-curve.recharts-tooltip-cursor]:stroke-border [&_.recharts-dot[stroke='#fff']]:stroke-transparent [&_.recharts-layer]:outline-none [&_.recharts-polar-grid_[stroke='#ccc']]:stroke-border [&_.recharts-radial-bar-background-sector]:fill-muted [&_.recharts-rectangle.recharts-tooltip-cursor]:fill-muted [&_.recharts-reference-line_[stroke='#ccc']]:stroke-border [&_.recharts-sector[stroke='#fff']]:stroke-transparent [&_.recharts-sector]:outline-none [&_.recharts-surface]:outline-none",
+          className,
+        )}
+        {...props}
+      >
+        <ChartStyle id={chartId} config={config} />
+        <RechartsPrimitive.ResponsiveContainer>{children}</RechartsPrimitive.ResponsiveContainer>
+      </div>
+    </ChartContext.Provider>
+  );
+});
+ChartContainer.displayName = "Chart";
+
+const ChartStyle = ({ id, config }: { id: string; config: ChartConfig }) => {
+  const colorConfig = Object.entries(config).filter(([_, config]) => config.theme || config.color);
+
+  if (!colorConfig.length) {
+    return null;
+  }
+
+  return (
+    <style
+      dangerouslySetInnerHTML={{
+        __html: Object.entries(THEMES)
+          .map(
+            ([theme, prefix]) => `
+${prefix} [data-chart=${id}] {
+${colorConfig
+  .map(([key, itemConfig]) => {
+    const color = itemConfig.theme?.[theme as keyof typeof itemConfig.theme] || itemConfig.color;
+    return color ? `  --color-${key}: ${color};` : null;
+  })
+  .join("\n")}
+}
+`,
+          )
+          .join("\n"),
+      }}
+    />
+  );
+};
+
+const ChartTooltip = RechartsPrimitive.Tooltip;
+
+const ChartTooltipContent = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<typeof RechartsPrimitive.Tooltip> &
+    React.ComponentProps<"div"> & {
+      hideLabel?: boolean;
+      hideIndicator?: boolean;
+      indicator?: "line" | "dot" | "dashed";
+      nameKey?: string;
+      labelKey?: string;
+    }
+>(
+  (
+    {
+      active,
+      payload,
+      className,
+      indicator = "dot",
+      hideLabel = false,
+      hideIndicator = false,
+      label,
+      labelFormatter,
+      labelClassName,
+      formatter,
+      color,
+      nameKey,
+      labelKey,
+    },
+    ref,
+  ) => {
+    const { config } = useChart();
+
+    const tooltipLabel = React.useMemo(() => {
+      if (hideLabel || !payload?.length) {
+        return null;
+      }
+
+      const [item] = payload;
+      const key = `${labelKey || item.dataKey || item.name || "value"}`;
+      const itemConfig = getPayloadConfigFromPayload(config, item, key);
+      const value =
+        !labelKey && typeof label === "string"
+          ? config[label as keyof typeof config]?.label || label
+          : itemConfig?.label;
+
+      if (labelFormatter) {
+        return <div className={cn("font-medium", labelClassName)}>{labelFormatter(value, payload)}</div>;
+      }
+
+      if (!value) {
+        return null;
+      }
+
+      return <div className={cn("font-medium", labelClassName)}>{value}</div>;
+    }, [label, labelFormatter, payload, hideLabel, labelClassName, config, labelKey]);
+
+    if (!active || !payload?.length) {
+      return null;
+    }
+
+    const nestLabel = payload.length === 1 && indicator !== "dot";
+
+    return (
+      <div
+        ref={ref}
+        className={cn(
+          "grid min-w-[8rem] items-start gap-1.5 rounded-lg border border-border/50 bg-background px-2.5 py-1.5 text-xs shadow-xl",
+          className,
+        )}
+      >
+        {!nestLabel ? tooltipLabel : null}
+        <div className="grid gap-1.5">
+          {payload.map((item, index) => {
+            const key = `${nameKey || item.name || item.dataKey || "value"}`;
+            const itemConfig = getPayloadConfigFromPayload(config, item, key);
+            const indicatorColor = color || item.payload.fill || item.color;
+
+            return (
+              <div
+                key={item.dataKey}
+                className={cn(
+                  "flex w-full flex-wrap items-stretch gap-2 [&>svg]:h-2.5 [&>svg]:w-2.5 [&>svg]:text-muted-foreground",
+                  indicator === "dot" && "items-center",
+                )}
+              >
+                {formatter && item?.value !== undefined && item.name ? (
+                  formatter(item.value, item.name, item, index, item.payload)
+                ) : (
+                  <>
+                    {itemConfig?.icon ? (
+                      <itemConfig.icon />
+                    ) : (
+                      !hideIndicator && (
+                        <div
+                          className={cn("shrink-0 rounded-[2px] border-[--color-border] bg-[--color-bg]", {
+                            "h-2.5 w-2.5": indicator === "dot",
+                            "w-1": indicator === "line",
+                            "w-0 border-[1.5px] border-dashed bg-transparent": indicator === "dashed",
+                            "my-0.5": nestLabel && indicator === "dashed",
+                          })}
+                          style={
+                            {
+                              "--color-bg": indicatorColor,
+                              "--color-border": indicatorColor,
+                            } as React.CSSProperties
+                          }
+                        />
+                      )
+                    )}
+                    <div
+                      className={cn(
+                        "flex flex-1 justify-between leading-none",
+                        nestLabel ? "items-end" : "items-center",
+                      )}
+                    >
+                      <div className="grid gap-1.5">
+                        {nestLabel ? tooltipLabel : null}
+                        <span className="text-muted-foreground">{itemConfig?.label || item.name}</span>
+                      </div>
+                      {item.value && (
+                        <span className="font-mono font-medium tabular-nums text-foreground">
+                          {item.value.toLocaleString()}
+                        </span>
+                      )}
+                    </div>
+                  </>
+                )}
+              </div>
+            );
+          })}
+        </div>
+      </div>
+    );
+  },
+);
+ChartTooltipContent.displayName = "ChartTooltip";
+
+const ChartLegend = RechartsPrimitive.Legend;
+
+const ChartLegendContent = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> &
+    Pick<RechartsPrimitive.LegendProps, "payload" | "verticalAlign"> & {
+      hideIcon?: boolean;
+      nameKey?: string;
+    }
+>(({ className, hideIcon = false, payload, verticalAlign = "bottom", nameKey }, ref) => {
+  const { config } = useChart();
+
+  if (!payload?.length) {
+    return null;
+  }
+
+  return (
+    <div
+      ref={ref}
+      className={cn("flex items-center justify-center gap-4", verticalAlign === "top" ? "pb-3" : "pt-3", className)}
+    >
+      {payload.map((item) => {
+        const key = `${nameKey || item.dataKey || "value"}`;
+        const itemConfig = getPayloadConfigFromPayload(config, item, key);
+
+        return (
+          <div
+            key={item.value}
+            className={cn("flex items-center gap-1.5 [&>svg]:h-3 [&>svg]:w-3 [&>svg]:text-muted-foreground")}
+          >
+            {itemConfig?.icon && !hideIcon ? (
+              <itemConfig.icon />
+            ) : (
+              <div
+                className="h-2 w-2 shrink-0 rounded-[2px]"
+                style={{
+                  backgroundColor: item.color,
+                }}
+              />
+            )}
+            {itemConfig?.label}
+          </div>
+        );
+      })}
+    </div>
+  );
+});
+ChartLegendContent.displayName = "ChartLegend";
+
+// Helper to extract item config from a payload.
+function getPayloadConfigFromPayload(config: ChartConfig, payload: unknown, key: string) {
+  if (typeof payload !== "object" || payload === null) {
+    return undefined;
+  }
+
+  const payloadPayload =
+    "payload" in payload && typeof payload.payload === "object" && payload.payload !== null
+      ? payload.payload
+      : undefined;
+
+  let configLabelKey: string = key;
+
+  if (key in payload && typeof payload[key as keyof typeof payload] === "string") {
+    configLabelKey = payload[key as keyof typeof payload] as string;
+  } else if (
+    payloadPayload &&
+    key in payloadPayload &&
+    typeof payloadPayload[key as keyof typeof payloadPayload] === "string"
+  ) {
+    configLabelKey = payloadPayload[key as keyof typeof payloadPayload] as string;
+  }
+
+  return configLabelKey in config ? config[configLabelKey] : config[key as keyof typeof config];
+}
+
+export { ChartContainer, ChartTooltip, ChartTooltipContent, ChartLegend, ChartLegendContent, ChartStyle };
--- a/frontend/src/components/ui/checkbox.tsx
+++ b/frontend/src/components/ui/checkbox.tsx
@@ -0,0 +1,26 @@
+import * as React from "react";
+import * as CheckboxPrimitive from "@radix-ui/react-checkbox";
+import { Check } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const Checkbox = React.forwardRef<
+  React.ElementRef<typeof CheckboxPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof CheckboxPrimitive.Root>
+>(({ className, ...props }, ref) => (
+  <CheckboxPrimitive.Root
+    ref={ref}
+    className={cn(
+      "peer h-4 w-4 shrink-0 rounded-sm border border-primary ring-offset-background data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50",
+      className,
+    )}
+    {...props}
+  >
+    <CheckboxPrimitive.Indicator className={cn("flex items-center justify-center text-current")}>
+      <Check className="h-4 w-4" />
+    </CheckboxPrimitive.Indicator>
+  </CheckboxPrimitive.Root>
+));
+Checkbox.displayName = CheckboxPrimitive.Root.displayName;
+
+export { Checkbox };
--- a/frontend/src/components/ui/collapsible.tsx
+++ b/frontend/src/components/ui/collapsible.tsx
@@ -0,0 +1,9 @@
+import * as CollapsiblePrimitive from "@radix-ui/react-collapsible";
+
+const Collapsible = CollapsiblePrimitive.Root;
+
+const CollapsibleTrigger = CollapsiblePrimitive.CollapsibleTrigger;
+
+const CollapsibleContent = CollapsiblePrimitive.CollapsibleContent;
+
+export { Collapsible, CollapsibleTrigger, CollapsibleContent };
--- a/frontend/src/components/ui/command.tsx
+++ b/frontend/src/components/ui/command.tsx
@@ -0,0 +1,132 @@
+import * as React from "react";
+import { type DialogProps } from "@radix-ui/react-dialog";
+import { Command as CommandPrimitive } from "cmdk";
+import { Search } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+import { Dialog, DialogContent } from "@/components/ui/dialog";
+
+const Command = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive>
+>(({ className, ...props }, ref) => (
+  <CommandPrimitive
+    ref={ref}
+    className={cn(
+      "flex h-full w-full flex-col overflow-hidden rounded-md bg-popover text-popover-foreground",
+      className,
+    )}
+    {...props}
+  />
+));
+Command.displayName = CommandPrimitive.displayName;
+
+interface CommandDialogProps extends DialogProps {}
+
+const CommandDialog = ({ children, ...props }: CommandDialogProps) => {
+  return (
+    <Dialog {...props}>
+      <DialogContent className="overflow-hidden p-0 shadow-lg">
+        <Command className="[&_[cmdk-group-heading]]:px-2 [&_[cmdk-group-heading]]:font-medium [&_[cmdk-group-heading]]:text-muted-foreground [&_[cmdk-group]:not([hidden])_~[cmdk-group]]:pt-0 [&_[cmdk-group]]:px-2 [&_[cmdk-input-wrapper]_svg]:h-5 [&_[cmdk-input-wrapper]_svg]:w-5 [&_[cmdk-input]]:h-12 [&_[cmdk-item]]:px-2 [&_[cmdk-item]]:py-3 [&_[cmdk-item]_svg]:h-5 [&_[cmdk-item]_svg]:w-5">
+          {children}
+        </Command>
+      </DialogContent>
+    </Dialog>
+  );
+};
+
+const CommandInput = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive.Input>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive.Input>
+>(({ className, ...props }, ref) => (
+  <div className="flex items-center border-b px-3" cmdk-input-wrapper="">
+    <Search className="mr-2 h-4 w-4 shrink-0 opacity-50" />
+    <CommandPrimitive.Input
+      ref={ref}
+      className={cn(
+        "flex h-11 w-full rounded-md bg-transparent py-3 text-sm outline-none placeholder:text-muted-foreground disabled:cursor-not-allowed disabled:opacity-50",
+        className,
+      )}
+      {...props}
+    />
+  </div>
+));
+
+CommandInput.displayName = CommandPrimitive.Input.displayName;
+
+const CommandList = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive.List>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive.List>
+>(({ className, ...props }, ref) => (
+  <CommandPrimitive.List
+    ref={ref}
+    className={cn("max-h-[300px] overflow-y-auto overflow-x-hidden", className)}
+    {...props}
+  />
+));
+
+CommandList.displayName = CommandPrimitive.List.displayName;
+
+const CommandEmpty = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive.Empty>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive.Empty>
+>((props, ref) => <CommandPrimitive.Empty ref={ref} className="py-6 text-center text-sm" {...props} />);
+
+CommandEmpty.displayName = CommandPrimitive.Empty.displayName;
+
+const CommandGroup = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive.Group>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive.Group>
+>(({ className, ...props }, ref) => (
+  <CommandPrimitive.Group
+    ref={ref}
+    className={cn(
+      "overflow-hidden p-1 text-foreground [&_[cmdk-group-heading]]:px-2 [&_[cmdk-group-heading]]:py-1.5 [&_[cmdk-group-heading]]:text-xs [&_[cmdk-group-heading]]:font-medium [&_[cmdk-group-heading]]:text-muted-foreground",
+      className,
+    )}
+    {...props}
+  />
+));
+
+CommandGroup.displayName = CommandPrimitive.Group.displayName;
+
+const CommandSeparator = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive.Separator>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive.Separator>
+>(({ className, ...props }, ref) => (
+  <CommandPrimitive.Separator ref={ref} className={cn("-mx-1 h-px bg-border", className)} {...props} />
+));
+CommandSeparator.displayName = CommandPrimitive.Separator.displayName;
+
+const CommandItem = React.forwardRef<
+  React.ElementRef<typeof CommandPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof CommandPrimitive.Item>
+>(({ className, ...props }, ref) => (
+  <CommandPrimitive.Item
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none data-[disabled=true]:pointer-events-none data-[selected='true']:bg-accent data-[selected=true]:text-accent-foreground data-[disabled=true]:opacity-50",
+      className,
+    )}
+    {...props}
+  />
+));
+
+CommandItem.displayName = CommandPrimitive.Item.displayName;
+
+const CommandShortcut = ({ className, ...props }: React.HTMLAttributes<HTMLSpanElement>) => {
+  return <span className={cn("ml-auto text-xs tracking-widest text-muted-foreground", className)} {...props} />;
+};
+CommandShortcut.displayName = "CommandShortcut";
+
+export {
+  Command,
+  CommandDialog,
+  CommandInput,
+  CommandList,
+  CommandEmpty,
+  CommandGroup,
+  CommandItem,
+  CommandShortcut,
+  CommandSeparator,
+};
--- a/frontend/src/components/ui/context-menu.tsx
+++ b/frontend/src/components/ui/context-menu.tsx
@@ -0,0 +1,178 @@
+import * as React from "react";
+import * as ContextMenuPrimitive from "@radix-ui/react-context-menu";
+import { Check, ChevronRight, Circle } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const ContextMenu = ContextMenuPrimitive.Root;
+
+const ContextMenuTrigger = ContextMenuPrimitive.Trigger;
+
+const ContextMenuGroup = ContextMenuPrimitive.Group;
+
+const ContextMenuPortal = ContextMenuPrimitive.Portal;
+
+const ContextMenuSub = ContextMenuPrimitive.Sub;
+
+const ContextMenuRadioGroup = ContextMenuPrimitive.RadioGroup;
+
+const ContextMenuSubTrigger = React.forwardRef<
+  React.ElementRef<typeof ContextMenuPrimitive.SubTrigger>,
+  React.ComponentPropsWithoutRef<typeof ContextMenuPrimitive.SubTrigger> & {
+    inset?: boolean;
+  }
+>(({ className, inset, children, ...props }, ref) => (
+  <ContextMenuPrimitive.SubTrigger
+    ref={ref}
+    className={cn(
+      "flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none data-[state=open]:bg-accent data-[state=open]:text-accent-foreground focus:bg-accent focus:text-accent-foreground",
+      inset && "pl-8",
+      className,
+    )}
+    {...props}
+  >
+    {children}
+    <ChevronRight className="ml-auto h-4 w-4" />
+  </ContextMenuPrimitive.SubTrigger>
+));
+ContextMenuSubTrigger.displayName = ContextMenuPrimitive.SubTrigger.displayName;
+
+const ContextMenuSubContent = React.forwardRef<
+  React.ElementRef<typeof ContextMenuPrimitive.SubContent>,
+  React.ComponentPropsWithoutRef<typeof ContextMenuPrimitive.SubContent>
+>(({ className, ...props }, ref) => (
+  <ContextMenuPrimitive.SubContent
+    ref={ref}
+    className={cn(
+      "z-50 min-w-[8rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-md data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+      className,
+    )}
+    {...props}
+  />
+));
+ContextMenuSubContent.displayName = ContextMenuPrimitive.SubContent.displayName;
+
+const ContextMenuContent = React.forwardRef<
+  React.ElementRef<typeof ContextMenuPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof ContextMenuPrimitive.Content>
+>(({ className, ...props }, ref) => (
+  <ContextMenuPrimitive.Portal>
+    <ContextMenuPrimitive.Content
+      ref={ref}
+      className={cn(
+        "z-50 min-w-[8rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-md animate-in fade-in-80 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+        className,
+      )}
+      {...props}
+    />
+  </ContextMenuPrimitive.Portal>
+));
+ContextMenuContent.displayName = ContextMenuPrimitive.Content.displayName;
+
+const ContextMenuItem = React.forwardRef<
+  React.ElementRef<typeof ContextMenuPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof ContextMenuPrimitive.Item> & {
+    inset?: boolean;
+  }
+>(({ className, inset, ...props }, ref) => (
+  <ContextMenuPrimitive.Item
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 focus:bg-accent focus:text-accent-foreground",
+      inset && "pl-8",
+      className,
+    )}
+    {...props}
+  />
+));
+ContextMenuItem.displayName = ContextMenuPrimitive.Item.displayName;
+
+const ContextMenuCheckboxItem = React.forwardRef<
+  React.ElementRef<typeof ContextMenuPrimitive.CheckboxItem>,
+  React.ComponentPropsWithoutRef<typeof ContextMenuPrimitive.CheckboxItem>
+>(({ className, children, checked, ...props }, ref) => (
+  <ContextMenuPrimitive.CheckboxItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 focus:bg-accent focus:text-accent-foreground",
+      className,
+    )}
+    checked={checked}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <ContextMenuPrimitive.ItemIndicator>
+        <Check className="h-4 w-4" />
+      </ContextMenuPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </ContextMenuPrimitive.CheckboxItem>
+));
+ContextMenuCheckboxItem.displayName = ContextMenuPrimitive.CheckboxItem.displayName;
+
+const ContextMenuRadioItem = React.forwardRef<
+  React.ElementRef<typeof ContextMenuPrimitive.RadioItem>,
+  React.ComponentPropsWithoutRef<typeof ContextMenuPrimitive.RadioItem>
+>(({ className, children, ...props }, ref) => (
+  <ContextMenuPrimitive.RadioItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 focus:bg-accent focus:text-accent-foreground",
+      className,
+    )}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <ContextMenuPrimitive.ItemIndicator>
+        <Circle className="h-2 w-2 fill-current" />
+      </ContextMenuPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </ContextMenuPrimitive.RadioItem>
+));
+ContextMenuRadioItem.displayName = ContextMenuPrimitive.RadioItem.displayName;
+
+const ContextMenuLabel = React.forwardRef<
+  React.ElementRef<typeof ContextMenuPrimitive.Label>,
+  React.ComponentPropsWithoutRef<typeof ContextMenuPrimitive.Label> & {
+    inset?: boolean;
+  }
+>(({ className, inset, ...props }, ref) => (
+  <ContextMenuPrimitive.Label
+    ref={ref}
+    className={cn("px-2 py-1.5 text-sm font-semibold text-foreground", inset && "pl-8", className)}
+    {...props}
+  />
+));
+ContextMenuLabel.displayName = ContextMenuPrimitive.Label.displayName;
+
+const ContextMenuSeparator = React.forwardRef<
+  React.ElementRef<typeof ContextMenuPrimitive.Separator>,
+  React.ComponentPropsWithoutRef<typeof ContextMenuPrimitive.Separator>
+>(({ className, ...props }, ref) => (
+  <ContextMenuPrimitive.Separator ref={ref} className={cn("-mx-1 my-1 h-px bg-border", className)} {...props} />
+));
+ContextMenuSeparator.displayName = ContextMenuPrimitive.Separator.displayName;
+
+const ContextMenuShortcut = ({ className, ...props }: React.HTMLAttributes<HTMLSpanElement>) => {
+  return <span className={cn("ml-auto text-xs tracking-widest text-muted-foreground", className)} {...props} />;
+};
+ContextMenuShortcut.displayName = "ContextMenuShortcut";
+
+export {
+  ContextMenu,
+  ContextMenuTrigger,
+  ContextMenuContent,
+  ContextMenuItem,
+  ContextMenuCheckboxItem,
+  ContextMenuRadioItem,
+  ContextMenuLabel,
+  ContextMenuSeparator,
+  ContextMenuShortcut,
+  ContextMenuGroup,
+  ContextMenuPortal,
+  ContextMenuSub,
+  ContextMenuSubContent,
+  ContextMenuSubTrigger,
+  ContextMenuRadioGroup,
+};
--- a/frontend/src/components/ui/dialog.tsx
+++ b/frontend/src/components/ui/dialog.tsx
@@ -0,0 +1,95 @@
+import * as React from "react";
+import * as DialogPrimitive from "@radix-ui/react-dialog";
+import { X } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const Dialog = DialogPrimitive.Root;
+
+const DialogTrigger = DialogPrimitive.Trigger;
+
+const DialogPortal = DialogPrimitive.Portal;
+
+const DialogClose = DialogPrimitive.Close;
+
+const DialogOverlay = React.forwardRef<
+  React.ElementRef<typeof DialogPrimitive.Overlay>,
+  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Overlay>
+>(({ className, ...props }, ref) => (
+  <DialogPrimitive.Overlay
+    ref={ref}
+    className={cn(
+      "fixed inset-0 z-50 bg-black/80 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      className,
+    )}
+    {...props}
+  />
+));
+DialogOverlay.displayName = DialogPrimitive.Overlay.displayName;
+
+const DialogContent = React.forwardRef<
+  React.ElementRef<typeof DialogPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Content>
+>(({ className, children, ...props }, ref) => (
+  <DialogPortal>
+    <DialogOverlay />
+    <DialogPrimitive.Content
+      ref={ref}
+      className={cn(
+        "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg",
+        className,
+      )}
+      {...props}
+    >
+      {children}
+      <DialogPrimitive.Close className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity data-[state=open]:bg-accent data-[state=open]:text-muted-foreground hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none">
+        <X className="h-4 w-4" />
+        <span className="sr-only">Close</span>
+      </DialogPrimitive.Close>
+    </DialogPrimitive.Content>
+  </DialogPortal>
+));
+DialogContent.displayName = DialogPrimitive.Content.displayName;
+
+const DialogHeader = ({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) => (
+  <div className={cn("flex flex-col space-y-1.5 text-center sm:text-left", className)} {...props} />
+);
+DialogHeader.displayName = "DialogHeader";
+
+const DialogFooter = ({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) => (
+  <div className={cn("flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2", className)} {...props} />
+);
+DialogFooter.displayName = "DialogFooter";
+
+const DialogTitle = React.forwardRef<
+  React.ElementRef<typeof DialogPrimitive.Title>,
+  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Title>
+>(({ className, ...props }, ref) => (
+  <DialogPrimitive.Title
+    ref={ref}
+    className={cn("text-lg font-semibold leading-none tracking-tight", className)}
+    {...props}
+  />
+));
+DialogTitle.displayName = DialogPrimitive.Title.displayName;
+
+const DialogDescription = React.forwardRef<
+  React.ElementRef<typeof DialogPrimitive.Description>,
+  React.ComponentPropsWithoutRef<typeof DialogPrimitive.Description>
+>(({ className, ...props }, ref) => (
+  <DialogPrimitive.Description ref={ref} className={cn("text-sm text-muted-foreground", className)} {...props} />
+));
+DialogDescription.displayName = DialogPrimitive.Description.displayName;
+
+export {
+  Dialog,
+  DialogPortal,
+  DialogOverlay,
+  DialogClose,
+  DialogTrigger,
+  DialogContent,
+  DialogHeader,
+  DialogFooter,
+  DialogTitle,
+  DialogDescription,
+};
--- a/frontend/src/components/ui/drawer.tsx
+++ b/frontend/src/components/ui/drawer.tsx
@@ -0,0 +1,87 @@
+import * as React from "react";
+import { Drawer as DrawerPrimitive } from "vaul";
+
+import { cn } from "@/lib/utils";
+
+const Drawer = ({ shouldScaleBackground = true, ...props }: React.ComponentProps<typeof DrawerPrimitive.Root>) => (
+  <DrawerPrimitive.Root shouldScaleBackground={shouldScaleBackground} {...props} />
+);
+Drawer.displayName = "Drawer";
+
+const DrawerTrigger = DrawerPrimitive.Trigger;
+
+const DrawerPortal = DrawerPrimitive.Portal;
+
+const DrawerClose = DrawerPrimitive.Close;
+
+const DrawerOverlay = React.forwardRef<
+  React.ElementRef<typeof DrawerPrimitive.Overlay>,
+  React.ComponentPropsWithoutRef<typeof DrawerPrimitive.Overlay>
+>(({ className, ...props }, ref) => (
+  <DrawerPrimitive.Overlay ref={ref} className={cn("fixed inset-0 z-50 bg-black/80", className)} {...props} />
+));
+DrawerOverlay.displayName = DrawerPrimitive.Overlay.displayName;
+
+const DrawerContent = React.forwardRef<
+  React.ElementRef<typeof DrawerPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof DrawerPrimitive.Content>
+>(({ className, children, ...props }, ref) => (
+  <DrawerPortal>
+    <DrawerOverlay />
+    <DrawerPrimitive.Content
+      ref={ref}
+      className={cn(
+        "fixed inset-x-0 bottom-0 z-50 mt-24 flex h-auto flex-col rounded-t-[10px] border bg-background",
+        className,
+      )}
+      {...props}
+    >
+      <div className="mx-auto mt-4 h-2 w-[100px] rounded-full bg-muted" />
+      {children}
+    </DrawerPrimitive.Content>
+  </DrawerPortal>
+));
+DrawerContent.displayName = "DrawerContent";
+
+const DrawerHeader = ({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) => (
+  <div className={cn("grid gap-1.5 p-4 text-center sm:text-left", className)} {...props} />
+);
+DrawerHeader.displayName = "DrawerHeader";
+
+const DrawerFooter = ({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) => (
+  <div className={cn("mt-auto flex flex-col gap-2 p-4", className)} {...props} />
+);
+DrawerFooter.displayName = "DrawerFooter";
+
+const DrawerTitle = React.forwardRef<
+  React.ElementRef<typeof DrawerPrimitive.Title>,
+  React.ComponentPropsWithoutRef<typeof DrawerPrimitive.Title>
+>(({ className, ...props }, ref) => (
+  <DrawerPrimitive.Title
+    ref={ref}
+    className={cn("text-lg font-semibold leading-none tracking-tight", className)}
+    {...props}
+  />
+));
+DrawerTitle.displayName = DrawerPrimitive.Title.displayName;
+
+const DrawerDescription = React.forwardRef<
+  React.ElementRef<typeof DrawerPrimitive.Description>,
+  React.ComponentPropsWithoutRef<typeof DrawerPrimitive.Description>
+>(({ className, ...props }, ref) => (
+  <DrawerPrimitive.Description ref={ref} className={cn("text-sm text-muted-foreground", className)} {...props} />
+));
+DrawerDescription.displayName = DrawerPrimitive.Description.displayName;
+
+export {
+  Drawer,
+  DrawerPortal,
+  DrawerOverlay,
+  DrawerTrigger,
+  DrawerClose,
+  DrawerContent,
+  DrawerHeader,
+  DrawerFooter,
+  DrawerTitle,
+  DrawerDescription,
+};
--- a/frontend/src/components/ui/dropdown-menu.tsx
+++ b/frontend/src/components/ui/dropdown-menu.tsx
@@ -0,0 +1,179 @@
+import * as React from "react";
+import * as DropdownMenuPrimitive from "@radix-ui/react-dropdown-menu";
+import { Check, ChevronRight, Circle } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const DropdownMenu = DropdownMenuPrimitive.Root;
+
+const DropdownMenuTrigger = DropdownMenuPrimitive.Trigger;
+
+const DropdownMenuGroup = DropdownMenuPrimitive.Group;
+
+const DropdownMenuPortal = DropdownMenuPrimitive.Portal;
+
+const DropdownMenuSub = DropdownMenuPrimitive.Sub;
+
+const DropdownMenuRadioGroup = DropdownMenuPrimitive.RadioGroup;
+
+const DropdownMenuSubTrigger = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.SubTrigger>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.SubTrigger> & {
+    inset?: boolean;
+  }
+>(({ className, inset, children, ...props }, ref) => (
+  <DropdownMenuPrimitive.SubTrigger
+    ref={ref}
+    className={cn(
+      "flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none data-[state=open]:bg-accent focus:bg-accent",
+      inset && "pl-8",
+      className,
+    )}
+    {...props}
+  >
+    {children}
+    <ChevronRight className="ml-auto h-4 w-4" />
+  </DropdownMenuPrimitive.SubTrigger>
+));
+DropdownMenuSubTrigger.displayName = DropdownMenuPrimitive.SubTrigger.displayName;
+
+const DropdownMenuSubContent = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.SubContent>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.SubContent>
+>(({ className, ...props }, ref) => (
+  <DropdownMenuPrimitive.SubContent
+    ref={ref}
+    className={cn(
+      "z-50 min-w-[8rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-lg data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+      className,
+    )}
+    {...props}
+  />
+));
+DropdownMenuSubContent.displayName = DropdownMenuPrimitive.SubContent.displayName;
+
+const DropdownMenuContent = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Content>
+>(({ className, sideOffset = 4, ...props }, ref) => (
+  <DropdownMenuPrimitive.Portal>
+    <DropdownMenuPrimitive.Content
+      ref={ref}
+      sideOffset={sideOffset}
+      className={cn(
+        "z-50 min-w-[8rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-md data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+        className,
+      )}
+      {...props}
+    />
+  </DropdownMenuPrimitive.Portal>
+));
+DropdownMenuContent.displayName = DropdownMenuPrimitive.Content.displayName;
+
+const DropdownMenuItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Item> & {
+    inset?: boolean;
+  }
+>(({ className, inset, ...props }, ref) => (
+  <DropdownMenuPrimitive.Item
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none transition-colors data-[disabled]:pointer-events-none data-[disabled]:opacity-50 focus:bg-accent focus:text-accent-foreground",
+      inset && "pl-8",
+      className,
+    )}
+    {...props}
+  />
+));
+DropdownMenuItem.displayName = DropdownMenuPrimitive.Item.displayName;
+
+const DropdownMenuCheckboxItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.CheckboxItem>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.CheckboxItem>
+>(({ className, children, checked, ...props }, ref) => (
+  <DropdownMenuPrimitive.CheckboxItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none transition-colors data-[disabled]:pointer-events-none data-[disabled]:opacity-50 focus:bg-accent focus:text-accent-foreground",
+      className,
+    )}
+    checked={checked}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <DropdownMenuPrimitive.ItemIndicator>
+        <Check className="h-4 w-4" />
+      </DropdownMenuPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </DropdownMenuPrimitive.CheckboxItem>
+));
+DropdownMenuCheckboxItem.displayName = DropdownMenuPrimitive.CheckboxItem.displayName;
+
+const DropdownMenuRadioItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.RadioItem>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.RadioItem>
+>(({ className, children, ...props }, ref) => (
+  <DropdownMenuPrimitive.RadioItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none transition-colors data-[disabled]:pointer-events-none data-[disabled]:opacity-50 focus:bg-accent focus:text-accent-foreground",
+      className,
+    )}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <DropdownMenuPrimitive.ItemIndicator>
+        <Circle className="h-2 w-2 fill-current" />
+      </DropdownMenuPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </DropdownMenuPrimitive.RadioItem>
+));
+DropdownMenuRadioItem.displayName = DropdownMenuPrimitive.RadioItem.displayName;
+
+const DropdownMenuLabel = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Label>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Label> & {
+    inset?: boolean;
+  }
+>(({ className, inset, ...props }, ref) => (
+  <DropdownMenuPrimitive.Label
+    ref={ref}
+    className={cn("px-2 py-1.5 text-sm font-semibold", inset && "pl-8", className)}
+    {...props}
+  />
+));
+DropdownMenuLabel.displayName = DropdownMenuPrimitive.Label.displayName;
+
+const DropdownMenuSeparator = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Separator>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Separator>
+>(({ className, ...props }, ref) => (
+  <DropdownMenuPrimitive.Separator ref={ref} className={cn("-mx-1 my-1 h-px bg-muted", className)} {...props} />
+));
+DropdownMenuSeparator.displayName = DropdownMenuPrimitive.Separator.displayName;
+
+const DropdownMenuShortcut = ({ className, ...props }: React.HTMLAttributes<HTMLSpanElement>) => {
+  return <span className={cn("ml-auto text-xs tracking-widest opacity-60", className)} {...props} />;
+};
+DropdownMenuShortcut.displayName = "DropdownMenuShortcut";
+
+export {
+  DropdownMenu,
+  DropdownMenuTrigger,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuCheckboxItem,
+  DropdownMenuRadioItem,
+  DropdownMenuLabel,
+  DropdownMenuSeparator,
+  DropdownMenuShortcut,
+  DropdownMenuGroup,
+  DropdownMenuPortal,
+  DropdownMenuSub,
+  DropdownMenuSubContent,
+  DropdownMenuSubTrigger,
+  DropdownMenuRadioGroup,
+};
--- a/frontend/src/components/ui/form.tsx
+++ b/frontend/src/components/ui/form.tsx
@@ -0,0 +1,129 @@
+import * as React from "react";
+import * as LabelPrimitive from "@radix-ui/react-label";
+import { Slot } from "@radix-ui/react-slot";
+import { Controller, ControllerProps, FieldPath, FieldValues, FormProvider, useFormContext } from "react-hook-form";
+
+import { cn } from "@/lib/utils";
+import { Label } from "@/components/ui/label";
+
+const Form = FormProvider;
+
+type FormFieldContextValue<
+  TFieldValues extends FieldValues = FieldValues,
+  TName extends FieldPath<TFieldValues> = FieldPath<TFieldValues>,
+> = {
+  name: TName;
+};
+
+const FormFieldContext = React.createContext<FormFieldContextValue>({} as FormFieldContextValue);
+
+const FormField = <
+  TFieldValues extends FieldValues = FieldValues,
+  TName extends FieldPath<TFieldValues> = FieldPath<TFieldValues>,
+>({
+  ...props
+}: ControllerProps<TFieldValues, TName>) => {
+  return (
+    <FormFieldContext.Provider value={{ name: props.name }}>
+      <Controller {...props} />
+    </FormFieldContext.Provider>
+  );
+};
+
+const useFormField = () => {
+  const fieldContext = React.useContext(FormFieldContext);
+  const itemContext = React.useContext(FormItemContext);
+  const { getFieldState, formState } = useFormContext();
+
+  const fieldState = getFieldState(fieldContext.name, formState);
+
+  if (!fieldContext) {
+    throw new Error("useFormField should be used within <FormField>");
+  }
+
+  const { id } = itemContext;
+
+  return {
+    id,
+    name: fieldContext.name,
+    formItemId: `${id}-form-item`,
+    formDescriptionId: `${id}-form-item-description`,
+    formMessageId: `${id}-form-item-message`,
+    ...fieldState,
+  };
+};
+
+type FormItemContextValue = {
+  id: string;
+};
+
+const FormItemContext = React.createContext<FormItemContextValue>({} as FormItemContextValue);
+
+const FormItem = React.forwardRef<HTMLDivElement, React.HTMLAttributes<HTMLDivElement>>(
+  ({ className, ...props }, ref) => {
+    const id = React.useId();
+
+    return (
+      <FormItemContext.Provider value={{ id }}>
+        <div ref={ref} className={cn("space-y-2", className)} {...props} />
+      </FormItemContext.Provider>
+    );
+  },
+);
+FormItem.displayName = "FormItem";
+
+const FormLabel = React.forwardRef<
+  React.ElementRef<typeof LabelPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof LabelPrimitive.Root>
+>(({ className, ...props }, ref) => {
+  const { error, formItemId } = useFormField();
+
+  return <Label ref={ref} className={cn(error && "text-destructive", className)} htmlFor={formItemId} {...props} />;
+});
+FormLabel.displayName = "FormLabel";
+
+const FormControl = React.forwardRef<React.ElementRef<typeof Slot>, React.ComponentPropsWithoutRef<typeof Slot>>(
+  ({ ...props }, ref) => {
+    const { error, formItemId, formDescriptionId, formMessageId } = useFormField();
+
+    return (
+      <Slot
+        ref={ref}
+        id={formItemId}
+        aria-describedby={!error ? `${formDescriptionId}` : `${formDescriptionId} ${formMessageId}`}
+        aria-invalid={!!error}
+        {...props}
+      />
+    );
+  },
+);
+FormControl.displayName = "FormControl";
+
+const FormDescription = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLParagraphElement>>(
+  ({ className, ...props }, ref) => {
+    const { formDescriptionId } = useFormField();
+
+    return <p ref={ref} id={formDescriptionId} className={cn("text-sm text-muted-foreground", className)} {...props} />;
+  },
+);
+FormDescription.displayName = "FormDescription";
+
+const FormMessage = React.forwardRef<HTMLParagraphElement, React.HTMLAttributes<HTMLParagraphElement>>(
+  ({ className, children, ...props }, ref) => {
+    const { error, formMessageId } = useFormField();
+    const body = error ? String(error?.message) : children;
+
+    if (!body) {
+      return null;
+    }
+
+    return (
+      <p ref={ref} id={formMessageId} className={cn("text-sm font-medium text-destructive", className)} {...props}>
+        {body}
+      </p>
+    );
+  },
+);
+FormMessage.displayName = "FormMessage";
+
+export { useFormField, Form, FormItem, FormLabel, FormControl, FormDescription, FormMessage, FormField };
--- a/frontend/src/components/ui/hover-card.tsx
+++ b/frontend/src/components/ui/hover-card.tsx
@@ -0,0 +1,27 @@
+import * as React from "react";
+import * as HoverCardPrimitive from "@radix-ui/react-hover-card";
+
+import { cn } from "@/lib/utils";
+
+const HoverCard = HoverCardPrimitive.Root;
+
+const HoverCardTrigger = HoverCardPrimitive.Trigger;
+
+const HoverCardContent = React.forwardRef<
+  React.ElementRef<typeof HoverCardPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof HoverCardPrimitive.Content>
+>(({ className, align = "center", sideOffset = 4, ...props }, ref) => (
+  <HoverCardPrimitive.Content
+    ref={ref}
+    align={align}
+    sideOffset={sideOffset}
+    className={cn(
+      "z-50 w-64 rounded-md border bg-popover p-4 text-popover-foreground shadow-md outline-none data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+      className,
+    )}
+    {...props}
+  />
+));
+HoverCardContent.displayName = HoverCardPrimitive.Content.displayName;
+
+export { HoverCard, HoverCardTrigger, HoverCardContent };
--- a/frontend/src/components/ui/input-otp.tsx
+++ b/frontend/src/components/ui/input-otp.tsx
@@ -0,0 +1,61 @@
+import * as React from "react";
+import { OTPInput, OTPInputContext } from "input-otp";
+import { Dot } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const InputOTP = React.forwardRef<React.ElementRef<typeof OTPInput>, React.ComponentPropsWithoutRef<typeof OTPInput>>(
+  ({ className, containerClassName, ...props }, ref) => (
+    <OTPInput
+      ref={ref}
+      containerClassName={cn("flex items-center gap-2 has-[:disabled]:opacity-50", containerClassName)}
+      className={cn("disabled:cursor-not-allowed", className)}
+      {...props}
+    />
+  ),
+);
+InputOTP.displayName = "InputOTP";
+
+const InputOTPGroup = React.forwardRef<React.ElementRef<"div">, React.ComponentPropsWithoutRef<"div">>(
+  ({ className, ...props }, ref) => <div ref={ref} className={cn("flex items-center", className)} {...props} />,
+);
+InputOTPGroup.displayName = "InputOTPGroup";
+
+const InputOTPSlot = React.forwardRef<
+  React.ElementRef<"div">,
+  React.ComponentPropsWithoutRef<"div"> & { index: number }
+>(({ index, className, ...props }, ref) => {
+  const inputOTPContext = React.useContext(OTPInputContext);
+  const { char, hasFakeCaret, isActive } = inputOTPContext.slots[index];
+
+  return (
+    <div
+      ref={ref}
+      className={cn(
+        "relative flex h-10 w-10 items-center justify-center border-y border-r border-input text-sm transition-all first:rounded-l-md first:border-l last:rounded-r-md",
+        isActive && "z-10 ring-2 ring-ring ring-offset-background",
+        className,
+      )}
+      {...props}
+    >
+      {char}
+      {hasFakeCaret && (
+        <div className="pointer-events-none absolute inset-0 flex items-center justify-center">
+          <div className="animate-caret-blink h-4 w-px bg-foreground duration-1000" />
+        </div>
+      )}
+    </div>
+  );
+});
+InputOTPSlot.displayName = "InputOTPSlot";
+
+const InputOTPSeparator = React.forwardRef<React.ElementRef<"div">, React.ComponentPropsWithoutRef<"div">>(
+  ({ ...props }, ref) => (
+    <div ref={ref} role="separator" {...props}>
+      <Dot />
+    </div>
+  ),
+);
+InputOTPSeparator.displayName = "InputOTPSeparator";
+
+export { InputOTP, InputOTPGroup, InputOTPSlot, InputOTPSeparator };
--- a/frontend/src/components/ui/input.tsx
+++ b/frontend/src/components/ui/input.tsx
@@ -0,0 +1,22 @@
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+const Input = React.forwardRef<HTMLInputElement, React.ComponentProps<"input">>(
+  ({ className, type, ...props }, ref) => {
+    return (
+      <input
+        type={type}
+        className={cn(
+          "flex h-10 w-full rounded-md border border-input bg-background px-3 py-2 text-base ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium file:text-foreground placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 md:text-sm",
+          className,
+        )}
+        ref={ref}
+        {...props}
+      />
+    );
+  },
+);
+Input.displayName = "Input";
+
+export { Input };
--- a/frontend/src/components/ui/label.tsx
+++ b/frontend/src/components/ui/label.tsx
@@ -0,0 +1,17 @@
+import * as React from "react";
+import * as LabelPrimitive from "@radix-ui/react-label";
+import { cva, type VariantProps } from "class-variance-authority";
+
+import { cn } from "@/lib/utils";
+
+const labelVariants = cva("text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70");
+
+const Label = React.forwardRef<
+  React.ElementRef<typeof LabelPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof LabelPrimitive.Root> & VariantProps<typeof labelVariants>
+>(({ className, ...props }, ref) => (
+  <LabelPrimitive.Root ref={ref} className={cn(labelVariants(), className)} {...props} />
+));
+Label.displayName = LabelPrimitive.Root.displayName;
+
+export { Label };
--- a/frontend/src/components/ui/menubar.tsx
+++ b/frontend/src/components/ui/menubar.tsx
@@ -0,0 +1,207 @@
+import * as React from "react";
+import * as MenubarPrimitive from "@radix-ui/react-menubar";
+import { Check, ChevronRight, Circle } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const MenubarMenu = MenubarPrimitive.Menu;
+
+const MenubarGroup = MenubarPrimitive.Group;
+
+const MenubarPortal = MenubarPrimitive.Portal;
+
+const MenubarSub = MenubarPrimitive.Sub;
+
+const MenubarRadioGroup = MenubarPrimitive.RadioGroup;
+
+const Menubar = React.forwardRef<
+  React.ElementRef<typeof MenubarPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof MenubarPrimitive.Root>
+>(({ className, ...props }, ref) => (
+  <MenubarPrimitive.Root
+    ref={ref}
+    className={cn("flex h-10 items-center space-x-1 rounded-md border bg-background p-1", className)}
+    {...props}
+  />
+));
+Menubar.displayName = MenubarPrimitive.Root.displayName;
+
+const MenubarTrigger = React.forwardRef<
+  React.ElementRef<typeof MenubarPrimitive.Trigger>,
+  React.ComponentPropsWithoutRef<typeof MenubarPrimitive.Trigger>
+>(({ className, ...props }, ref) => (
+  <MenubarPrimitive.Trigger
+    ref={ref}
+    className={cn(
+      "flex cursor-default select-none items-center rounded-sm px-3 py-1.5 text-sm font-medium outline-none data-[state=open]:bg-accent data-[state=open]:text-accent-foreground focus:bg-accent focus:text-accent-foreground",
+      className,
+    )}
+    {...props}
+  />
+));
+MenubarTrigger.displayName = MenubarPrimitive.Trigger.displayName;
+
+const MenubarSubTrigger = React.forwardRef<
+  React.ElementRef<typeof MenubarPrimitive.SubTrigger>,
+  React.ComponentPropsWithoutRef<typeof MenubarPrimitive.SubTrigger> & {
+    inset?: boolean;
+  }
+>(({ className, inset, children, ...props }, ref) => (
+  <MenubarPrimitive.SubTrigger
+    ref={ref}
+    className={cn(
+      "flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none data-[state=open]:bg-accent data-[state=open]:text-accent-foreground focus:bg-accent focus:text-accent-foreground",
+      inset && "pl-8",
+      className,
+    )}
+    {...props}
+  >
+    {children}
+    <ChevronRight className="ml-auto h-4 w-4" />
+  </MenubarPrimitive.SubTrigger>
+));
+MenubarSubTrigger.displayName = MenubarPrimitive.SubTrigger.displayName;
+
+const MenubarSubContent = React.forwardRef<
+  React.ElementRef<typeof MenubarPrimitive.SubContent>,
+  React.ComponentPropsWithoutRef<typeof MenubarPrimitive.SubContent>
+>(({ className, ...props }, ref) => (
+  <MenubarPrimitive.SubContent
+    ref={ref}
+    className={cn(
+      "z-50 min-w-[8rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+      className,
+    )}
+    {...props}
+  />
+));
+MenubarSubContent.displayName = MenubarPrimitive.SubContent.displayName;
+
+const MenubarContent = React.forwardRef<
+  React.ElementRef<typeof MenubarPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof MenubarPrimitive.Content>
+>(({ className, align = "start", alignOffset = -4, sideOffset = 8, ...props }, ref) => (
+  <MenubarPrimitive.Portal>
+    <MenubarPrimitive.Content
+      ref={ref}
+      align={align}
+      alignOffset={alignOffset}
+      sideOffset={sideOffset}
+      className={cn(
+        "z-50 min-w-[12rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-md data-[state=open]:animate-in data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+        className,
+      )}
+      {...props}
+    />
+  </MenubarPrimitive.Portal>
+));
+MenubarContent.displayName = MenubarPrimitive.Content.displayName;
+
+const MenubarItem = React.forwardRef<
+  React.ElementRef<typeof MenubarPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof MenubarPrimitive.Item> & {
+    inset?: boolean;
+  }
+>(({ className, inset, ...props }, ref) => (
+  <MenubarPrimitive.Item
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm px-2 py-1.5 text-sm outline-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 focus:bg-accent focus:text-accent-foreground",
+      inset && "pl-8",
+      className,
+    )}
+    {...props}
+  />
+));
+MenubarItem.displayName = MenubarPrimitive.Item.displayName;
+
+const MenubarCheckboxItem = React.forwardRef<
+  React.ElementRef<typeof MenubarPrimitive.CheckboxItem>,
+  React.ComponentPropsWithoutRef<typeof MenubarPrimitive.CheckboxItem>
+>(({ className, children, checked, ...props }, ref) => (
+  <MenubarPrimitive.CheckboxItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 focus:bg-accent focus:text-accent-foreground",
+      className,
+    )}
+    checked={checked}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <MenubarPrimitive.ItemIndicator>
+        <Check className="h-4 w-4" />
+      </MenubarPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </MenubarPrimitive.CheckboxItem>
+));
+MenubarCheckboxItem.displayName = MenubarPrimitive.CheckboxItem.displayName;
+
+const MenubarRadioItem = React.forwardRef<
+  React.ElementRef<typeof MenubarPrimitive.RadioItem>,
+  React.ComponentPropsWithoutRef<typeof MenubarPrimitive.RadioItem>
+>(({ className, children, ...props }, ref) => (
+  <MenubarPrimitive.RadioItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 focus:bg-accent focus:text-accent-foreground",
+      className,
+    )}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <MenubarPrimitive.ItemIndicator>
+        <Circle className="h-2 w-2 fill-current" />
+      </MenubarPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </MenubarPrimitive.RadioItem>
+));
+MenubarRadioItem.displayName = MenubarPrimitive.RadioItem.displayName;
+
+const MenubarLabel = React.forwardRef<
+  React.ElementRef<typeof MenubarPrimitive.Label>,
+  React.ComponentPropsWithoutRef<typeof MenubarPrimitive.Label> & {
+    inset?: boolean;
+  }
+>(({ className, inset, ...props }, ref) => (
+  <MenubarPrimitive.Label
+    ref={ref}
+    className={cn("px-2 py-1.5 text-sm font-semibold", inset && "pl-8", className)}
+    {...props}
+  />
+));
+MenubarLabel.displayName = MenubarPrimitive.Label.displayName;
+
+const MenubarSeparator = React.forwardRef<
+  React.ElementRef<typeof MenubarPrimitive.Separator>,
+  React.ComponentPropsWithoutRef<typeof MenubarPrimitive.Separator>
+>(({ className, ...props }, ref) => (
+  <MenubarPrimitive.Separator ref={ref} className={cn("-mx-1 my-1 h-px bg-muted", className)} {...props} />
+));
+MenubarSeparator.displayName = MenubarPrimitive.Separator.displayName;
+
+const MenubarShortcut = ({ className, ...props }: React.HTMLAttributes<HTMLSpanElement>) => {
+  return <span className={cn("ml-auto text-xs tracking-widest text-muted-foreground", className)} {...props} />;
+};
+MenubarShortcut.displayname = "MenubarShortcut";
+
+export {
+  Menubar,
+  MenubarMenu,
+  MenubarTrigger,
+  MenubarContent,
+  MenubarItem,
+  MenubarSeparator,
+  MenubarLabel,
+  MenubarCheckboxItem,
+  MenubarRadioGroup,
+  MenubarRadioItem,
+  MenubarPortal,
+  MenubarSubContent,
+  MenubarSubTrigger,
+  MenubarGroup,
+  MenubarSub,
+  MenubarShortcut,
+};
--- a/frontend/src/components/ui/navigation-menu.tsx
+++ b/frontend/src/components/ui/navigation-menu.tsx
@@ -0,0 +1,120 @@
+import * as React from "react";
+import * as NavigationMenuPrimitive from "@radix-ui/react-navigation-menu";
+import { cva } from "class-variance-authority";
+import { ChevronDown } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const NavigationMenu = React.forwardRef<
+  React.ElementRef<typeof NavigationMenuPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof NavigationMenuPrimitive.Root>
+>(({ className, children, ...props }, ref) => (
+  <NavigationMenuPrimitive.Root
+    ref={ref}
+    className={cn("relative z-10 flex max-w-max flex-1 items-center justify-center", className)}
+    {...props}
+  >
+    {children}
+    <NavigationMenuViewport />
+  </NavigationMenuPrimitive.Root>
+));
+NavigationMenu.displayName = NavigationMenuPrimitive.Root.displayName;
+
+const NavigationMenuList = React.forwardRef<
+  React.ElementRef<typeof NavigationMenuPrimitive.List>,
+  React.ComponentPropsWithoutRef<typeof NavigationMenuPrimitive.List>
+>(({ className, ...props }, ref) => (
+  <NavigationMenuPrimitive.List
+    ref={ref}
+    className={cn("group flex flex-1 list-none items-center justify-center space-x-1", className)}
+    {...props}
+  />
+));
+NavigationMenuList.displayName = NavigationMenuPrimitive.List.displayName;
+
+const NavigationMenuItem = NavigationMenuPrimitive.Item;
+
+const navigationMenuTriggerStyle = cva(
+  "group inline-flex h-10 w-max items-center justify-center rounded-md bg-background px-4 py-2 text-sm font-medium transition-colors hover:bg-accent hover:text-accent-foreground focus:bg-accent focus:text-accent-foreground focus:outline-none disabled:pointer-events-none disabled:opacity-50 data-[active]:bg-accent/50 data-[state=open]:bg-accent/50",
+);
+
+const NavigationMenuTrigger = React.forwardRef<
+  React.ElementRef<typeof NavigationMenuPrimitive.Trigger>,
+  React.ComponentPropsWithoutRef<typeof NavigationMenuPrimitive.Trigger>
+>(({ className, children, ...props }, ref) => (
+  <NavigationMenuPrimitive.Trigger
+    ref={ref}
+    className={cn(navigationMenuTriggerStyle(), "group", className)}
+    {...props}
+  >
+    {children}{" "}
+    <ChevronDown
+      className="relative top-[1px] ml-1 h-3 w-3 transition duration-200 group-data-[state=open]:rotate-180"
+      aria-hidden="true"
+    />
+  </NavigationMenuPrimitive.Trigger>
+));
+NavigationMenuTrigger.displayName = NavigationMenuPrimitive.Trigger.displayName;
+
+const NavigationMenuContent = React.forwardRef<
+  React.ElementRef<typeof NavigationMenuPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof NavigationMenuPrimitive.Content>
+>(({ className, ...props }, ref) => (
+  <NavigationMenuPrimitive.Content
+    ref={ref}
+    className={cn(
+      "left-0 top-0 w-full data-[motion^=from-]:animate-in data-[motion^=to-]:animate-out data-[motion^=from-]:fade-in data-[motion^=to-]:fade-out data-[motion=from-end]:slide-in-from-right-52 data-[motion=from-start]:slide-in-from-left-52 data-[motion=to-end]:slide-out-to-right-52 data-[motion=to-start]:slide-out-to-left-52 md:absolute md:w-auto",
+      className,
+    )}
+    {...props}
+  />
+));
+NavigationMenuContent.displayName = NavigationMenuPrimitive.Content.displayName;
+
+const NavigationMenuLink = NavigationMenuPrimitive.Link;
+
+const NavigationMenuViewport = React.forwardRef<
+  React.ElementRef<typeof NavigationMenuPrimitive.Viewport>,
+  React.ComponentPropsWithoutRef<typeof NavigationMenuPrimitive.Viewport>
+>(({ className, ...props }, ref) => (
+  <div className={cn("absolute left-0 top-full flex justify-center")}>
+    <NavigationMenuPrimitive.Viewport
+      className={cn(
+        "origin-top-center relative mt-1.5 h-[var(--radix-navigation-menu-viewport-height)] w-full overflow-hidden rounded-md border bg-popover text-popover-foreground shadow-lg data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-90 md:w-[var(--radix-navigation-menu-viewport-width)]",
+        className,
+      )}
+      ref={ref}
+      {...props}
+    />
+  </div>
+));
+NavigationMenuViewport.displayName = NavigationMenuPrimitive.Viewport.displayName;
+
+const NavigationMenuIndicator = React.forwardRef<
+  React.ElementRef<typeof NavigationMenuPrimitive.Indicator>,
+  React.ComponentPropsWithoutRef<typeof NavigationMenuPrimitive.Indicator>
+>(({ className, ...props }, ref) => (
+  <NavigationMenuPrimitive.Indicator
+    ref={ref}
+    className={cn(
+      "top-full z-[1] flex h-1.5 items-end justify-center overflow-hidden data-[state=visible]:animate-in data-[state=hidden]:animate-out data-[state=hidden]:fade-out data-[state=visible]:fade-in",
+      className,
+    )}
+    {...props}
+  >
+    <div className="relative top-[60%] h-2 w-2 rotate-45 rounded-tl-sm bg-border shadow-md" />
+  </NavigationMenuPrimitive.Indicator>
+));
+NavigationMenuIndicator.displayName = NavigationMenuPrimitive.Indicator.displayName;
+
+export {
+  navigationMenuTriggerStyle,
+  NavigationMenu,
+  NavigationMenuList,
+  NavigationMenuItem,
+  NavigationMenuContent,
+  NavigationMenuTrigger,
+  NavigationMenuLink,
+  NavigationMenuIndicator,
+  NavigationMenuViewport,
+};
--- a/frontend/src/components/ui/pagination.tsx
+++ b/frontend/src/components/ui/pagination.tsx
@@ -0,0 +1,81 @@
+import * as React from "react";
+import { ChevronLeft, ChevronRight, MoreHorizontal } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+import { ButtonProps, buttonVariants } from "@/components/ui/button";
+
+const Pagination = ({ className, ...props }: React.ComponentProps<"nav">) => (
+  <nav
+    role="navigation"
+    aria-label="pagination"
+    className={cn("mx-auto flex w-full justify-center", className)}
+    {...props}
+  />
+);
+Pagination.displayName = "Pagination";
+
+const PaginationContent = React.forwardRef<HTMLUListElement, React.ComponentProps<"ul">>(
+  ({ className, ...props }, ref) => (
+    <ul ref={ref} className={cn("flex flex-row items-center gap-1", className)} {...props} />
+  ),
+);
+PaginationContent.displayName = "PaginationContent";
+
+const PaginationItem = React.forwardRef<HTMLLIElement, React.ComponentProps<"li">>(({ className, ...props }, ref) => (
+  <li ref={ref} className={cn("", className)} {...props} />
+));
+PaginationItem.displayName = "PaginationItem";
+
+type PaginationLinkProps = {
+  isActive?: boolean;
+} & Pick<ButtonProps, "size"> &
+  React.ComponentProps<"a">;
+
+const PaginationLink = ({ className, isActive, size = "icon", ...props }: PaginationLinkProps) => (
+  <a
+    aria-current={isActive ? "page" : undefined}
+    className={cn(
+      buttonVariants({
+        variant: isActive ? "outline" : "ghost",
+        size,
+      }),
+      className,
+    )}
+    {...props}
+  />
+);
+PaginationLink.displayName = "PaginationLink";
+
+const PaginationPrevious = ({ className, ...props }: React.ComponentProps<typeof PaginationLink>) => (
+  <PaginationLink aria-label="Go to previous page" size="default" className={cn("gap-1 pl-2.5", className)} {...props}>
+    <ChevronLeft className="h-4 w-4" />
+    <span>Previous</span>
+  </PaginationLink>
+);
+PaginationPrevious.displayName = "PaginationPrevious";
+
+const PaginationNext = ({ className, ...props }: React.ComponentProps<typeof PaginationLink>) => (
+  <PaginationLink aria-label="Go to next page" size="default" className={cn("gap-1 pr-2.5", className)} {...props}>
+    <span>Next</span>
+    <ChevronRight className="h-4 w-4" />
+  </PaginationLink>
+);
+PaginationNext.displayName = "PaginationNext";
+
+const PaginationEllipsis = ({ className, ...props }: React.ComponentProps<"span">) => (
+  <span aria-hidden className={cn("flex h-9 w-9 items-center justify-center", className)} {...props}>
+    <MoreHorizontal className="h-4 w-4" />
+    <span className="sr-only">More pages</span>
+  </span>
+);
+PaginationEllipsis.displayName = "PaginationEllipsis";
+
+export {
+  Pagination,
+  PaginationContent,
+  PaginationEllipsis,
+  PaginationItem,
+  PaginationLink,
+  PaginationNext,
+  PaginationPrevious,
+};
--- a/frontend/src/components/ui/popover.tsx
+++ b/frontend/src/components/ui/popover.tsx
@@ -0,0 +1,29 @@
+import * as React from "react";
+import * as PopoverPrimitive from "@radix-ui/react-popover";
+
+import { cn } from "@/lib/utils";
+
+const Popover = PopoverPrimitive.Root;
+
+const PopoverTrigger = PopoverPrimitive.Trigger;
+
+const PopoverContent = React.forwardRef<
+  React.ElementRef<typeof PopoverPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof PopoverPrimitive.Content>
+>(({ className, align = "center", sideOffset = 4, ...props }, ref) => (
+  <PopoverPrimitive.Portal>
+    <PopoverPrimitive.Content
+      ref={ref}
+      align={align}
+      sideOffset={sideOffset}
+      className={cn(
+        "z-50 w-72 rounded-md border bg-popover p-4 text-popover-foreground shadow-md outline-none data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+        className,
+      )}
+      {...props}
+    />
+  </PopoverPrimitive.Portal>
+));
+PopoverContent.displayName = PopoverPrimitive.Content.displayName;
+
+export { Popover, PopoverTrigger, PopoverContent };
--- a/frontend/src/components/ui/progress.tsx
+++ b/frontend/src/components/ui/progress.tsx
@@ -0,0 +1,23 @@
+import * as React from "react";
+import * as ProgressPrimitive from "@radix-ui/react-progress";
+
+import { cn } from "@/lib/utils";
+
+const Progress = React.forwardRef<
+  React.ElementRef<typeof ProgressPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof ProgressPrimitive.Root>
+>(({ className, value, ...props }, ref) => (
+  <ProgressPrimitive.Root
+    ref={ref}
+    className={cn("relative h-4 w-full overflow-hidden rounded-full bg-secondary", className)}
+    {...props}
+  >
+    <ProgressPrimitive.Indicator
+      className="h-full w-full flex-1 bg-primary transition-all"
+      style={{ transform: `translateX(-${100 - (value || 0)}%)` }}
+    />
+  </ProgressPrimitive.Root>
+));
+Progress.displayName = ProgressPrimitive.Root.displayName;
+
+export { Progress };
--- a/frontend/src/components/ui/radio-group.tsx
+++ b/frontend/src/components/ui/radio-group.tsx
@@ -0,0 +1,36 @@
+import * as React from "react";
+import * as RadioGroupPrimitive from "@radix-ui/react-radio-group";
+import { Circle } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const RadioGroup = React.forwardRef<
+  React.ElementRef<typeof RadioGroupPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof RadioGroupPrimitive.Root>
+>(({ className, ...props }, ref) => {
+  return <RadioGroupPrimitive.Root className={cn("grid gap-2", className)} {...props} ref={ref} />;
+});
+RadioGroup.displayName = RadioGroupPrimitive.Root.displayName;
+
+const RadioGroupItem = React.forwardRef<
+  React.ElementRef<typeof RadioGroupPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof RadioGroupPrimitive.Item>
+>(({ className, ...props }, ref) => {
+  return (
+    <RadioGroupPrimitive.Item
+      ref={ref}
+      className={cn(
+        "aspect-square h-4 w-4 rounded-full border border-primary text-primary ring-offset-background focus:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50",
+        className,
+      )}
+      {...props}
+    >
+      <RadioGroupPrimitive.Indicator className="flex items-center justify-center">
+        <Circle className="h-2.5 w-2.5 fill-current text-current" />
+      </RadioGroupPrimitive.Indicator>
+    </RadioGroupPrimitive.Item>
+  );
+});
+RadioGroupItem.displayName = RadioGroupPrimitive.Item.displayName;
+
+export { RadioGroup, RadioGroupItem };
--- a/frontend/src/components/ui/resizable.tsx
+++ b/frontend/src/components/ui/resizable.tsx
@@ -0,0 +1,37 @@
+import { GripVertical } from "lucide-react";
+import * as ResizablePrimitive from "react-resizable-panels";
+
+import { cn } from "@/lib/utils";
+
+const ResizablePanelGroup = ({ className, ...props }: React.ComponentProps<typeof ResizablePrimitive.PanelGroup>) => (
+  <ResizablePrimitive.PanelGroup
+    className={cn("flex h-full w-full data-[panel-group-direction=vertical]:flex-col", className)}
+    {...props}
+  />
+);
+
+const ResizablePanel = ResizablePrimitive.Panel;
+
+const ResizableHandle = ({
+  withHandle,
+  className,
+  ...props
+}: React.ComponentProps<typeof ResizablePrimitive.PanelResizeHandle> & {
+  withHandle?: boolean;
+}) => (
+  <ResizablePrimitive.PanelResizeHandle
+    className={cn(
+      "relative flex w-px items-center justify-center bg-border after:absolute after:inset-y-0 after:left-1/2 after:w-1 after:-translate-x-1/2 data-[panel-group-direction=vertical]:h-px data-[panel-group-direction=vertical]:w-full data-[panel-group-direction=vertical]:after:left-0 data-[panel-group-direction=vertical]:after:h-1 data-[panel-group-direction=vertical]:after:w-full data-[panel-group-direction=vertical]:after:-translate-y-1/2 data-[panel-group-direction=vertical]:after:translate-x-0 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring focus-visible:ring-offset-1 [&[data-panel-group-direction=vertical]>div]:rotate-90",
+      className,
+    )}
+    {...props}
+  >
+    {withHandle && (
+      <div className="z-10 flex h-4 w-3 items-center justify-center rounded-sm border bg-border">
+        <GripVertical className="h-2.5 w-2.5" />
+      </div>
+    )}
+  </ResizablePrimitive.PanelResizeHandle>
+);
+
+export { ResizablePanelGroup, ResizablePanel, ResizableHandle };
--- a/frontend/src/components/ui/scroll-area.tsx
+++ b/frontend/src/components/ui/scroll-area.tsx
@@ -0,0 +1,38 @@
+import * as React from "react";
+import * as ScrollAreaPrimitive from "@radix-ui/react-scroll-area";
+
+import { cn } from "@/lib/utils";
+
+const ScrollArea = React.forwardRef<
+  React.ElementRef<typeof ScrollAreaPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof ScrollAreaPrimitive.Root>
+>(({ className, children, ...props }, ref) => (
+  <ScrollAreaPrimitive.Root ref={ref} className={cn("relative overflow-hidden", className)} {...props}>
+    <ScrollAreaPrimitive.Viewport className="h-full w-full rounded-[inherit]">{children}</ScrollAreaPrimitive.Viewport>
+    <ScrollBar />
+    <ScrollAreaPrimitive.Corner />
+  </ScrollAreaPrimitive.Root>
+));
+ScrollArea.displayName = ScrollAreaPrimitive.Root.displayName;
+
+const ScrollBar = React.forwardRef<
+  React.ElementRef<typeof ScrollAreaPrimitive.ScrollAreaScrollbar>,
+  React.ComponentPropsWithoutRef<typeof ScrollAreaPrimitive.ScrollAreaScrollbar>
+>(({ className, orientation = "vertical", ...props }, ref) => (
+  <ScrollAreaPrimitive.ScrollAreaScrollbar
+    ref={ref}
+    orientation={orientation}
+    className={cn(
+      "flex touch-none select-none transition-colors",
+      orientation === "vertical" && "h-full w-2.5 border-l border-l-transparent p-[1px]",
+      orientation === "horizontal" && "h-2.5 flex-col border-t border-t-transparent p-[1px]",
+      className,
+    )}
+    {...props}
+  >
+    <ScrollAreaPrimitive.ScrollAreaThumb className="relative flex-1 rounded-full bg-border" />
+  </ScrollAreaPrimitive.ScrollAreaScrollbar>
+));
+ScrollBar.displayName = ScrollAreaPrimitive.ScrollAreaScrollbar.displayName;
+
+export { ScrollArea, ScrollBar };
--- a/frontend/src/components/ui/select.tsx
+++ b/frontend/src/components/ui/select.tsx
@@ -0,0 +1,143 @@
+import * as React from "react";
+import * as SelectPrimitive from "@radix-ui/react-select";
+import { Check, ChevronDown, ChevronUp } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const Select = SelectPrimitive.Root;
+
+const SelectGroup = SelectPrimitive.Group;
+
+const SelectValue = SelectPrimitive.Value;
+
+const SelectTrigger = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Trigger>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Trigger>
+>(({ className, children, ...props }, ref) => (
+  <SelectPrimitive.Trigger
+    ref={ref}
+    className={cn(
+      "flex h-10 w-full items-center justify-between rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 [&>span]:line-clamp-1",
+      className,
+    )}
+    {...props}
+  >
+    {children}
+    <SelectPrimitive.Icon asChild>
+      <ChevronDown className="h-4 w-4 opacity-50" />
+    </SelectPrimitive.Icon>
+  </SelectPrimitive.Trigger>
+));
+SelectTrigger.displayName = SelectPrimitive.Trigger.displayName;
+
+const SelectScrollUpButton = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.ScrollUpButton>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.ScrollUpButton>
+>(({ className, ...props }, ref) => (
+  <SelectPrimitive.ScrollUpButton
+    ref={ref}
+    className={cn("flex cursor-default items-center justify-center py-1", className)}
+    {...props}
+  >
+    <ChevronUp className="h-4 w-4" />
+  </SelectPrimitive.ScrollUpButton>
+));
+SelectScrollUpButton.displayName = SelectPrimitive.ScrollUpButton.displayName;
+
+const SelectScrollDownButton = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.ScrollDownButton>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.ScrollDownButton>
+>(({ className, ...props }, ref) => (
+  <SelectPrimitive.ScrollDownButton
+    ref={ref}
+    className={cn("flex cursor-default items-center justify-center py-1", className)}
+    {...props}
+  >
+    <ChevronDown className="h-4 w-4" />
+  </SelectPrimitive.ScrollDownButton>
+));
+SelectScrollDownButton.displayName = SelectPrimitive.ScrollDownButton.displayName;
+
+const SelectContent = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Content>
+>(({ className, children, position = "popper", ...props }, ref) => (
+  <SelectPrimitive.Portal>
+    <SelectPrimitive.Content
+      ref={ref}
+      className={cn(
+        "relative z-50 max-h-96 min-w-[8rem] overflow-hidden rounded-md border bg-popover text-popover-foreground shadow-md data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+        position === "popper" &&
+          "data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1",
+        className,
+      )}
+      position={position}
+      {...props}
+    >
+      <SelectScrollUpButton />
+      <SelectPrimitive.Viewport
+        className={cn(
+          "p-1",
+          position === "popper" &&
+            "h-[var(--radix-select-trigger-height)] w-full min-w-[var(--radix-select-trigger-width)]",
+        )}
+      >
+        {children}
+      </SelectPrimitive.Viewport>
+      <SelectScrollDownButton />
+    </SelectPrimitive.Content>
+  </SelectPrimitive.Portal>
+));
+SelectContent.displayName = SelectPrimitive.Content.displayName;
+
+const SelectLabel = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Label>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Label>
+>(({ className, ...props }, ref) => (
+  <SelectPrimitive.Label ref={ref} className={cn("py-1.5 pl-8 pr-2 text-sm font-semibold", className)} {...props} />
+));
+SelectLabel.displayName = SelectPrimitive.Label.displayName;
+
+const SelectItem = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Item>
+>(({ className, children, ...props }, ref) => (
+  <SelectPrimitive.Item
+    ref={ref}
+    className={cn(
+      "relative flex w-full cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none data-[disabled]:pointer-events-none data-[disabled]:opacity-50 focus:bg-accent focus:text-accent-foreground",
+      className,
+    )}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <SelectPrimitive.ItemIndicator>
+        <Check className="h-4 w-4" />
+      </SelectPrimitive.ItemIndicator>
+    </span>
+
+    <SelectPrimitive.ItemText>{children}</SelectPrimitive.ItemText>
+  </SelectPrimitive.Item>
+));
+SelectItem.displayName = SelectPrimitive.Item.displayName;
+
+const SelectSeparator = React.forwardRef<
+  React.ElementRef<typeof SelectPrimitive.Separator>,
+  React.ComponentPropsWithoutRef<typeof SelectPrimitive.Separator>
+>(({ className, ...props }, ref) => (
+  <SelectPrimitive.Separator ref={ref} className={cn("-mx-1 my-1 h-px bg-muted", className)} {...props} />
+));
+SelectSeparator.displayName = SelectPrimitive.Separator.displayName;
+
+export {
+  Select,
+  SelectGroup,
+  SelectValue,
+  SelectTrigger,
+  SelectContent,
+  SelectLabel,
+  SelectItem,
+  SelectSeparator,
+  SelectScrollUpButton,
+  SelectScrollDownButton,
+};
--- a/frontend/src/components/ui/separator.tsx
+++ b/frontend/src/components/ui/separator.tsx
@@ -0,0 +1,20 @@
+import * as React from "react";
+import * as SeparatorPrimitive from "@radix-ui/react-separator";
+
+import { cn } from "@/lib/utils";
+
+const Separator = React.forwardRef<
+  React.ElementRef<typeof SeparatorPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof SeparatorPrimitive.Root>
+>(({ className, orientation = "horizontal", decorative = true, ...props }, ref) => (
+  <SeparatorPrimitive.Root
+    ref={ref}
+    decorative={decorative}
+    orientation={orientation}
+    className={cn("shrink-0 bg-border", orientation === "horizontal" ? "h-[1px] w-full" : "h-full w-[1px]", className)}
+    {...props}
+  />
+));
+Separator.displayName = SeparatorPrimitive.Root.displayName;
+
+export { Separator };
--- a/frontend/src/components/ui/sheet.tsx
+++ b/frontend/src/components/ui/sheet.tsx
@@ -0,0 +1,107 @@
+import * as SheetPrimitive from "@radix-ui/react-dialog";
+import { cva, type VariantProps } from "class-variance-authority";
+import { X } from "lucide-react";
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+const Sheet = SheetPrimitive.Root;
+
+const SheetTrigger = SheetPrimitive.Trigger;
+
+const SheetClose = SheetPrimitive.Close;
+
+const SheetPortal = SheetPrimitive.Portal;
+
+const SheetOverlay = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Overlay>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Overlay>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Overlay
+    className={cn(
+      "fixed inset-0 z-50 bg-black/80 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+      className,
+    )}
+    {...props}
+    ref={ref}
+  />
+));
+SheetOverlay.displayName = SheetPrimitive.Overlay.displayName;
+
+const sheetVariants = cva(
+  "fixed z-50 gap-4 bg-background p-6 shadow-lg transition ease-in-out data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:duration-300 data-[state=open]:duration-500",
+  {
+    variants: {
+      side: {
+        top: "inset-x-0 top-0 border-b data-[state=closed]:slide-out-to-top data-[state=open]:slide-in-from-top",
+        bottom:
+          "inset-x-0 bottom-0 border-t data-[state=closed]:slide-out-to-bottom data-[state=open]:slide-in-from-bottom",
+        left: "inset-y-0 left-0 h-full w-3/4 border-r data-[state=closed]:slide-out-to-left data-[state=open]:slide-in-from-left sm:max-w-sm",
+        right:
+          "inset-y-0 right-0 h-full w-3/4  border-l data-[state=closed]:slide-out-to-right data-[state=open]:slide-in-from-right sm:max-w-sm",
+      },
+    },
+    defaultVariants: {
+      side: "right",
+    },
+  },
+);
+
+interface SheetContentProps
+  extends React.ComponentPropsWithoutRef<typeof SheetPrimitive.Content>,
+    VariantProps<typeof sheetVariants> {}
+
+const SheetContent = React.forwardRef<React.ElementRef<typeof SheetPrimitive.Content>, SheetContentProps>(
+  ({ side = "right", className, children, ...props }, ref) => (
+    <SheetPortal>
+      <SheetOverlay />
+      <SheetPrimitive.Content ref={ref} className={cn(sheetVariants({ side }), className)} {...props}>
+        {children}
+        <SheetPrimitive.Close className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity data-[state=open]:bg-secondary hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none">
+          <X className="h-4 w-4" />
+          <span className="sr-only">Close</span>
+        </SheetPrimitive.Close>
+      </SheetPrimitive.Content>
+    </SheetPortal>
+  ),
+);
+SheetContent.displayName = SheetPrimitive.Content.displayName;
+
+const SheetHeader = ({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) => (
+  <div className={cn("flex flex-col space-y-2 text-center sm:text-left", className)} {...props} />
+);
+SheetHeader.displayName = "SheetHeader";
+
+const SheetFooter = ({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) => (
+  <div className={cn("flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2", className)} {...props} />
+);
+SheetFooter.displayName = "SheetFooter";
+
+const SheetTitle = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Title>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Title>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Title ref={ref} className={cn("text-lg font-semibold text-foreground", className)} {...props} />
+));
+SheetTitle.displayName = SheetPrimitive.Title.displayName;
+
+const SheetDescription = React.forwardRef<
+  React.ElementRef<typeof SheetPrimitive.Description>,
+  React.ComponentPropsWithoutRef<typeof SheetPrimitive.Description>
+>(({ className, ...props }, ref) => (
+  <SheetPrimitive.Description ref={ref} className={cn("text-sm text-muted-foreground", className)} {...props} />
+));
+SheetDescription.displayName = SheetPrimitive.Description.displayName;
+
+export {
+  Sheet,
+  SheetClose,
+  SheetContent,
+  SheetDescription,
+  SheetFooter,
+  SheetHeader,
+  SheetOverlay,
+  SheetPortal,
+  SheetTitle,
+  SheetTrigger,
+};
--- a/frontend/src/components/ui/sidebar.tsx
+++ b/frontend/src/components/ui/sidebar.tsx
@@ -0,0 +1,637 @@
+import * as React from "react";
+import { Slot } from "@radix-ui/react-slot";
+import { VariantProps, cva } from "class-variance-authority";
+import { PanelLeft } from "lucide-react";
+
+import { useIsMobile } from "@/hooks/use-mobile";
+import { cn } from "@/lib/utils";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Separator } from "@/components/ui/separator";
+import { Sheet, SheetContent } from "@/components/ui/sheet";
+import { Skeleton } from "@/components/ui/skeleton";
+import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from "@/components/ui/tooltip";
+
+const SIDEBAR_COOKIE_NAME = "sidebar:state";
+const SIDEBAR_COOKIE_MAX_AGE = 60 * 60 * 24 * 7;
+const SIDEBAR_WIDTH = "16rem";
+const SIDEBAR_WIDTH_MOBILE = "18rem";
+const SIDEBAR_WIDTH_ICON = "3rem";
+const SIDEBAR_KEYBOARD_SHORTCUT = "b";
+
+type SidebarContext = {
+  state: "expanded" | "collapsed";
+  open: boolean;
+  setOpen: (open: boolean) => void;
+  openMobile: boolean;
+  setOpenMobile: (open: boolean) => void;
+  isMobile: boolean;
+  toggleSidebar: () => void;
+};
+
+const SidebarContext = React.createContext<SidebarContext | null>(null);
+
+function useSidebar() {
+  const context = React.useContext(SidebarContext);
+  if (!context) {
+    throw new Error("useSidebar must be used within a SidebarProvider.");
+  }
+
+  return context;
+}
+
+const SidebarProvider = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & {
+    defaultOpen?: boolean;
+    open?: boolean;
+    onOpenChange?: (open: boolean) => void;
+  }
+>(({ defaultOpen = true, open: openProp, onOpenChange: setOpenProp, className, style, children, ...props }, ref) => {
+  const isMobile = useIsMobile();
+  const [openMobile, setOpenMobile] = React.useState(false);
+
+  // This is the internal state of the sidebar.
+  // We use openProp and setOpenProp for control from outside the component.
+  const [_open, _setOpen] = React.useState(defaultOpen);
+  const open = openProp ?? _open;
+  const setOpen = React.useCallback(
+    (value: boolean | ((value: boolean) => boolean)) => {
+      const openState = typeof value === "function" ? value(open) : value;
+      if (setOpenProp) {
+        setOpenProp(openState);
+      } else {
+        _setOpen(openState);
+      }
+
+      // This sets the cookie to keep the sidebar state.
+      document.cookie = `${SIDEBAR_COOKIE_NAME}=${openState}; path=/; max-age=${SIDEBAR_COOKIE_MAX_AGE}`;
+    },
+    [setOpenProp, open],
+  );
+
+  // Helper to toggle the sidebar.
+  const toggleSidebar = React.useCallback(() => {
+    return isMobile ? setOpenMobile((open) => !open) : setOpen((open) => !open);
+  }, [isMobile, setOpen, setOpenMobile]);
+
+  // Adds a keyboard shortcut to toggle the sidebar.
+  React.useEffect(() => {
+    const handleKeyDown = (event: KeyboardEvent) => {
+      if (event.key === SIDEBAR_KEYBOARD_SHORTCUT && (event.metaKey || event.ctrlKey)) {
+        event.preventDefault();
+        toggleSidebar();
+      }
+    };
+
+    window.addEventListener("keydown", handleKeyDown);
+    return () => window.removeEventListener("keydown", handleKeyDown);
+  }, [toggleSidebar]);
+
+  // We add a state so that we can do data-state="expanded" or "collapsed".
+  // This makes it easier to style the sidebar with Tailwind classes.
+  const state = open ? "expanded" : "collapsed";
+
+  const contextValue = React.useMemo<SidebarContext>(
+    () => ({
+      state,
+      open,
+      setOpen,
+      isMobile,
+      openMobile,
+      setOpenMobile,
+      toggleSidebar,
+    }),
+    [state, open, setOpen, isMobile, openMobile, setOpenMobile, toggleSidebar],
+  );
+
+  return (
+    <SidebarContext.Provider value={contextValue}>
+      <TooltipProvider delayDuration={0}>
+        <div
+          style={
+            {
+              "--sidebar-width": SIDEBAR_WIDTH,
+              "--sidebar-width-icon": SIDEBAR_WIDTH_ICON,
+              ...style,
+            } as React.CSSProperties
+          }
+          className={cn("group/sidebar-wrapper flex min-h-svh w-full has-[[data-variant=inset]]:bg-sidebar", className)}
+          ref={ref}
+          {...props}
+        >
+          {children}
+        </div>
+      </TooltipProvider>
+    </SidebarContext.Provider>
+  );
+});
+SidebarProvider.displayName = "SidebarProvider";
+
+const Sidebar = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & {
+    side?: "left" | "right";
+    variant?: "sidebar" | "floating" | "inset";
+    collapsible?: "offcanvas" | "icon" | "none";
+  }
+>(({ side = "left", variant = "sidebar", collapsible = "offcanvas", className, children, ...props }, ref) => {
+  const { isMobile, state, openMobile, setOpenMobile } = useSidebar();
+
+  if (collapsible === "none") {
+    return (
+      <div
+        className={cn("flex h-full w-[--sidebar-width] flex-col bg-sidebar text-sidebar-foreground", className)}
+        ref={ref}
+        {...props}
+      >
+        {children}
+      </div>
+    );
+  }
+
+  if (isMobile) {
+    return (
+      <Sheet open={openMobile} onOpenChange={setOpenMobile} {...props}>
+        <SheetContent
+          data-sidebar="sidebar"
+          data-mobile="true"
+          className="w-[--sidebar-width] bg-sidebar p-0 text-sidebar-foreground [&>button]:hidden"
+          style={
+            {
+              "--sidebar-width": SIDEBAR_WIDTH_MOBILE,
+            } as React.CSSProperties
+          }
+          side={side}
+        >
+          <div className="flex h-full w-full flex-col">{children}</div>
+        </SheetContent>
+      </Sheet>
+    );
+  }
+
+  return (
+    <div
+      ref={ref}
+      className="group peer hidden text-sidebar-foreground md:block"
+      data-state={state}
+      data-collapsible={state === "collapsed" ? collapsible : ""}
+      data-variant={variant}
+      data-side={side}
+    >
+      {/* This is what handles the sidebar gap on desktop */}
+      <div
+        className={cn(
+          "relative h-svh w-[--sidebar-width] bg-transparent transition-[width] duration-200 ease-linear",
+          "group-data-[collapsible=offcanvas]:w-0",
+          "group-data-[side=right]:rotate-180",
+          variant === "floating" || variant === "inset"
+            ? "group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)_+_theme(spacing.4))]"
+            : "group-data-[collapsible=icon]:w-[--sidebar-width-icon]",
+        )}
+      />
+      <div
+        className={cn(
+          "fixed inset-y-0 z-10 hidden h-svh w-[--sidebar-width] transition-[left,right,width] duration-200 ease-linear md:flex",
+          side === "left"
+            ? "left-0 group-data-[collapsible=offcanvas]:left-[calc(var(--sidebar-width)*-1)]"
+            : "right-0 group-data-[collapsible=offcanvas]:right-[calc(var(--sidebar-width)*-1)]",
+          // Adjust the padding for floating and inset variants.
+          variant === "floating" || variant === "inset"
+            ? "p-2 group-data-[collapsible=icon]:w-[calc(var(--sidebar-width-icon)_+_theme(spacing.4)_+2px)]"
+            : "group-data-[collapsible=icon]:w-[--sidebar-width-icon] group-data-[side=left]:border-r group-data-[side=right]:border-l",
+          className,
+        )}
+        {...props}
+      >
+        <div
+          data-sidebar="sidebar"
+          className="flex h-full w-full flex-col bg-sidebar group-data-[variant=floating]:rounded-lg group-data-[variant=floating]:border group-data-[variant=floating]:border-sidebar-border group-data-[variant=floating]:shadow"
+        >
+          {children}
+        </div>
+      </div>
+    </div>
+  );
+});
+Sidebar.displayName = "Sidebar";
+
+const SidebarTrigger = React.forwardRef<React.ElementRef<typeof Button>, React.ComponentProps<typeof Button>>(
+  ({ className, onClick, ...props }, ref) => {
+    const { toggleSidebar } = useSidebar();
+
+    return (
+      <Button
+        ref={ref}
+        data-sidebar="trigger"
+        variant="ghost"
+        size="icon"
+        className={cn("h-7 w-7", className)}
+        onClick={(event) => {
+          onClick?.(event);
+          toggleSidebar();
+        }}
+        {...props}
+      >
+        <PanelLeft />
+        <span className="sr-only">Toggle Sidebar</span>
+      </Button>
+    );
+  },
+);
+SidebarTrigger.displayName = "SidebarTrigger";
+
+const SidebarRail = React.forwardRef<HTMLButtonElement, React.ComponentProps<"button">>(
+  ({ className, ...props }, ref) => {
+    const { toggleSidebar } = useSidebar();
+
+    return (
+      <button
+        ref={ref}
+        data-sidebar="rail"
+        aria-label="Toggle Sidebar"
+        tabIndex={-1}
+        onClick={toggleSidebar}
+        title="Toggle Sidebar"
+        className={cn(
+          "absolute inset-y-0 z-20 hidden w-4 -translate-x-1/2 transition-all ease-linear after:absolute after:inset-y-0 after:left-1/2 after:w-[2px] group-data-[side=left]:-right-4 group-data-[side=right]:left-0 hover:after:bg-sidebar-border sm:flex",
+          "[[data-side=left]_&]:cursor-w-resize [[data-side=right]_&]:cursor-e-resize",
+          "[[data-side=left][data-state=collapsed]_&]:cursor-e-resize [[data-side=right][data-state=collapsed]_&]:cursor-w-resize",
+          "group-data-[collapsible=offcanvas]:translate-x-0 group-data-[collapsible=offcanvas]:after:left-full group-data-[collapsible=offcanvas]:hover:bg-sidebar",
+          "[[data-side=left][data-collapsible=offcanvas]_&]:-right-2",
+          "[[data-side=right][data-collapsible=offcanvas]_&]:-left-2",
+          className,
+        )}
+        {...props}
+      />
+    );
+  },
+);
+SidebarRail.displayName = "SidebarRail";
+
+const SidebarInset = React.forwardRef<HTMLDivElement, React.ComponentProps<"main">>(({ className, ...props }, ref) => {
+  return (
+    <main
+      ref={ref}
+      className={cn(
+        "relative flex min-h-svh flex-1 flex-col bg-background",
+        "peer-data-[variant=inset]:min-h-[calc(100svh-theme(spacing.4))] md:peer-data-[variant=inset]:m-2 md:peer-data-[state=collapsed]:peer-data-[variant=inset]:ml-2 md:peer-data-[variant=inset]:ml-0 md:peer-data-[variant=inset]:rounded-xl md:peer-data-[variant=inset]:shadow",
+        className,
+      )}
+      {...props}
+    />
+  );
+});
+SidebarInset.displayName = "SidebarInset";
+
+const SidebarInput = React.forwardRef<React.ElementRef<typeof Input>, React.ComponentProps<typeof Input>>(
+  ({ className, ...props }, ref) => {
+    return (
+      <Input
+        ref={ref}
+        data-sidebar="input"
+        className={cn(
+          "h-8 w-full bg-background shadow-none focus-visible:ring-2 focus-visible:ring-sidebar-ring",
+          className,
+        )}
+        {...props}
+      />
+    );
+  },
+);
+SidebarInput.displayName = "SidebarInput";
+
+const SidebarHeader = React.forwardRef<HTMLDivElement, React.ComponentProps<"div">>(({ className, ...props }, ref) => {
+  return <div ref={ref} data-sidebar="header" className={cn("flex flex-col gap-2 p-2", className)} {...props} />;
+});
+SidebarHeader.displayName = "SidebarHeader";
+
+const SidebarFooter = React.forwardRef<HTMLDivElement, React.ComponentProps<"div">>(({ className, ...props }, ref) => {
+  return <div ref={ref} data-sidebar="footer" className={cn("flex flex-col gap-2 p-2", className)} {...props} />;
+});
+SidebarFooter.displayName = "SidebarFooter";
+
+const SidebarSeparator = React.forwardRef<React.ElementRef<typeof Separator>, React.ComponentProps<typeof Separator>>(
+  ({ className, ...props }, ref) => {
+    return (
+      <Separator
+        ref={ref}
+        data-sidebar="separator"
+        className={cn("mx-2 w-auto bg-sidebar-border", className)}
+        {...props}
+      />
+    );
+  },
+);
+SidebarSeparator.displayName = "SidebarSeparator";
+
+const SidebarContent = React.forwardRef<HTMLDivElement, React.ComponentProps<"div">>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="content"
+      className={cn(
+        "flex min-h-0 flex-1 flex-col gap-2 overflow-auto group-data-[collapsible=icon]:overflow-hidden",
+        className,
+      )}
+      {...props}
+    />
+  );
+});
+SidebarContent.displayName = "SidebarContent";
+
+const SidebarGroup = React.forwardRef<HTMLDivElement, React.ComponentProps<"div">>(({ className, ...props }, ref) => {
+  return (
+    <div
+      ref={ref}
+      data-sidebar="group"
+      className={cn("relative flex w-full min-w-0 flex-col p-2", className)}
+      {...props}
+    />
+  );
+});
+SidebarGroup.displayName = "SidebarGroup";
+
+const SidebarGroupLabel = React.forwardRef<HTMLDivElement, React.ComponentProps<"div"> & { asChild?: boolean }>(
+  ({ className, asChild = false, ...props }, ref) => {
+    const Comp = asChild ? Slot : "div";
+
+    return (
+      <Comp
+        ref={ref}
+        data-sidebar="group-label"
+        className={cn(
+          "flex h-8 shrink-0 items-center rounded-md px-2 text-xs font-medium text-sidebar-foreground/70 outline-none ring-sidebar-ring transition-[margin,opa] duration-200 ease-linear focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+          "group-data-[collapsible=icon]:-mt-8 group-data-[collapsible=icon]:opacity-0",
+          className,
+        )}
+        {...props}
+      />
+    );
+  },
+);
+SidebarGroupLabel.displayName = "SidebarGroupLabel";
+
+const SidebarGroupAction = React.forwardRef<HTMLButtonElement, React.ComponentProps<"button"> & { asChild?: boolean }>(
+  ({ className, asChild = false, ...props }, ref) => {
+    const Comp = asChild ? Slot : "button";
+
+    return (
+      <Comp
+        ref={ref}
+        data-sidebar="group-action"
+        className={cn(
+          "absolute right-3 top-3.5 flex aspect-square w-5 items-center justify-center rounded-md p-0 text-sidebar-foreground outline-none ring-sidebar-ring transition-transform hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+          // Increases the hit area of the button on mobile.
+          "after:absolute after:-inset-2 after:md:hidden",
+          "group-data-[collapsible=icon]:hidden",
+          className,
+        )}
+        {...props}
+      />
+    );
+  },
+);
+SidebarGroupAction.displayName = "SidebarGroupAction";
+
+const SidebarGroupContent = React.forwardRef<HTMLDivElement, React.ComponentProps<"div">>(
+  ({ className, ...props }, ref) => (
+    <div ref={ref} data-sidebar="group-content" className={cn("w-full text-sm", className)} {...props} />
+  ),
+);
+SidebarGroupContent.displayName = "SidebarGroupContent";
+
+const SidebarMenu = React.forwardRef<HTMLUListElement, React.ComponentProps<"ul">>(({ className, ...props }, ref) => (
+  <ul ref={ref} data-sidebar="menu" className={cn("flex w-full min-w-0 flex-col gap-1", className)} {...props} />
+));
+SidebarMenu.displayName = "SidebarMenu";
+
+const SidebarMenuItem = React.forwardRef<HTMLLIElement, React.ComponentProps<"li">>(({ className, ...props }, ref) => (
+  <li ref={ref} data-sidebar="menu-item" className={cn("group/menu-item relative", className)} {...props} />
+));
+SidebarMenuItem.displayName = "SidebarMenuItem";
+
+const sidebarMenuButtonVariants = cva(
+  "peer/menu-button flex w-full items-center gap-2 overflow-hidden rounded-md p-2 text-left text-sm outline-none ring-sidebar-ring transition-[width,height,padding] hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 group-has-[[data-sidebar=menu-action]]/menu-item:pr-8 aria-disabled:pointer-events-none aria-disabled:opacity-50 data-[active=true]:bg-sidebar-accent data-[active=true]:font-medium data-[active=true]:text-sidebar-accent-foreground data-[state=open]:hover:bg-sidebar-accent data-[state=open]:hover:text-sidebar-accent-foreground group-data-[collapsible=icon]:!size-8 group-data-[collapsible=icon]:!p-2 [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0",
+  {
+    variants: {
+      variant: {
+        default: "hover:bg-sidebar-accent hover:text-sidebar-accent-foreground",
+        outline:
+          "bg-background shadow-[0_0_0_1px_hsl(var(--sidebar-border))] hover:bg-sidebar-accent hover:text-sidebar-accent-foreground hover:shadow-[0_0_0_1px_hsl(var(--sidebar-accent))]",
+      },
+      size: {
+        default: "h-8 text-sm",
+        sm: "h-7 text-xs",
+        lg: "h-12 text-sm group-data-[collapsible=icon]:!p-0",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  },
+);
+
+const SidebarMenuButton = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button"> & {
+    asChild?: boolean;
+    isActive?: boolean;
+    tooltip?: string | React.ComponentProps<typeof TooltipContent>;
+  } & VariantProps<typeof sidebarMenuButtonVariants>
+>(({ asChild = false, isActive = false, variant = "default", size = "default", tooltip, className, ...props }, ref) => {
+  const Comp = asChild ? Slot : "button";
+  const { isMobile, state } = useSidebar();
+
+  const button = (
+    <Comp
+      ref={ref}
+      data-sidebar="menu-button"
+      data-size={size}
+      data-active={isActive}
+      className={cn(sidebarMenuButtonVariants({ variant, size }), className)}
+      {...props}
+    />
+  );
+
+  if (!tooltip) {
+    return button;
+  }
+
+  if (typeof tooltip === "string") {
+    tooltip = {
+      children: tooltip,
+    };
+  }
+
+  return (
+    <Tooltip>
+      <TooltipTrigger asChild>{button}</TooltipTrigger>
+      <TooltipContent side="right" align="center" hidden={state !== "collapsed" || isMobile} {...tooltip} />
+    </Tooltip>
+  );
+});
+SidebarMenuButton.displayName = "SidebarMenuButton";
+
+const SidebarMenuAction = React.forwardRef<
+  HTMLButtonElement,
+  React.ComponentProps<"button"> & {
+    asChild?: boolean;
+    showOnHover?: boolean;
+  }
+>(({ className, asChild = false, showOnHover = false, ...props }, ref) => {
+  const Comp = asChild ? Slot : "button";
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="menu-action"
+      className={cn(
+        "absolute right-1 top-1.5 flex aspect-square w-5 items-center justify-center rounded-md p-0 text-sidebar-foreground outline-none ring-sidebar-ring transition-transform peer-hover/menu-button:text-sidebar-accent-foreground hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 [&>svg]:size-4 [&>svg]:shrink-0",
+        // Increases the hit area of the button on mobile.
+        "after:absolute after:-inset-2 after:md:hidden",
+        "peer-data-[size=sm]/menu-button:top-1",
+        "peer-data-[size=default]/menu-button:top-1.5",
+        "peer-data-[size=lg]/menu-button:top-2.5",
+        "group-data-[collapsible=icon]:hidden",
+        showOnHover &&
+          "group-focus-within/menu-item:opacity-100 group-hover/menu-item:opacity-100 data-[state=open]:opacity-100 peer-data-[active=true]/menu-button:text-sidebar-accent-foreground md:opacity-0",
+        className,
+      )}
+      {...props}
+    />
+  );
+});
+SidebarMenuAction.displayName = "SidebarMenuAction";
+
+const SidebarMenuBadge = React.forwardRef<HTMLDivElement, React.ComponentProps<"div">>(
+  ({ className, ...props }, ref) => (
+    <div
+      ref={ref}
+      data-sidebar="menu-badge"
+      className={cn(
+        "pointer-events-none absolute right-1 flex h-5 min-w-5 select-none items-center justify-center rounded-md px-1 text-xs font-medium tabular-nums text-sidebar-foreground",
+        "peer-hover/menu-button:text-sidebar-accent-foreground peer-data-[active=true]/menu-button:text-sidebar-accent-foreground",
+        "peer-data-[size=sm]/menu-button:top-1",
+        "peer-data-[size=default]/menu-button:top-1.5",
+        "peer-data-[size=lg]/menu-button:top-2.5",
+        "group-data-[collapsible=icon]:hidden",
+        className,
+      )}
+      {...props}
+    />
+  ),
+);
+SidebarMenuBadge.displayName = "SidebarMenuBadge";
+
+const SidebarMenuSkeleton = React.forwardRef<
+  HTMLDivElement,
+  React.ComponentProps<"div"> & {
+    showIcon?: boolean;
+  }
+>(({ className, showIcon = false, ...props }, ref) => {
+  // Random width between 50 to 90%.
+  const width = React.useMemo(() => {
+    return `${Math.floor(Math.random() * 40) + 50}%`;
+  }, []);
+
+  return (
+    <div
+      ref={ref}
+      data-sidebar="menu-skeleton"
+      className={cn("flex h-8 items-center gap-2 rounded-md px-2", className)}
+      {...props}
+    >
+      {showIcon && <Skeleton className="size-4 rounded-md" data-sidebar="menu-skeleton-icon" />}
+      <Skeleton
+        className="h-4 max-w-[--skeleton-width] flex-1"
+        data-sidebar="menu-skeleton-text"
+        style={
+          {
+            "--skeleton-width": width,
+          } as React.CSSProperties
+        }
+      />
+    </div>
+  );
+});
+SidebarMenuSkeleton.displayName = "SidebarMenuSkeleton";
+
+const SidebarMenuSub = React.forwardRef<HTMLUListElement, React.ComponentProps<"ul">>(
+  ({ className, ...props }, ref) => (
+    <ul
+      ref={ref}
+      data-sidebar="menu-sub"
+      className={cn(
+        "mx-3.5 flex min-w-0 translate-x-px flex-col gap-1 border-l border-sidebar-border px-2.5 py-0.5",
+        "group-data-[collapsible=icon]:hidden",
+        className,
+      )}
+      {...props}
+    />
+  ),
+);
+SidebarMenuSub.displayName = "SidebarMenuSub";
+
+const SidebarMenuSubItem = React.forwardRef<HTMLLIElement, React.ComponentProps<"li">>(({ ...props }, ref) => (
+  <li ref={ref} {...props} />
+));
+SidebarMenuSubItem.displayName = "SidebarMenuSubItem";
+
+const SidebarMenuSubButton = React.forwardRef<
+  HTMLAnchorElement,
+  React.ComponentProps<"a"> & {
+    asChild?: boolean;
+    size?: "sm" | "md";
+    isActive?: boolean;
+  }
+>(({ asChild = false, size = "md", isActive, className, ...props }, ref) => {
+  const Comp = asChild ? Slot : "a";
+
+  return (
+    <Comp
+      ref={ref}
+      data-sidebar="menu-sub-button"
+      data-size={size}
+      data-active={isActive}
+      className={cn(
+        "flex h-7 min-w-0 -translate-x-px items-center gap-2 overflow-hidden rounded-md px-2 text-sidebar-foreground outline-none ring-sidebar-ring aria-disabled:pointer-events-none aria-disabled:opacity-50 hover:bg-sidebar-accent hover:text-sidebar-accent-foreground focus-visible:ring-2 active:bg-sidebar-accent active:text-sidebar-accent-foreground disabled:pointer-events-none disabled:opacity-50 [&>span:last-child]:truncate [&>svg]:size-4 [&>svg]:shrink-0 [&>svg]:text-sidebar-accent-foreground",
+        "data-[active=true]:bg-sidebar-accent data-[active=true]:text-sidebar-accent-foreground",
+        size === "sm" && "text-xs",
+        size === "md" && "text-sm",
+        "group-data-[collapsible=icon]:hidden",
+        className,
+      )}
+      {...props}
+    />
+  );
+});
+SidebarMenuSubButton.displayName = "SidebarMenuSubButton";
+
+export {
+  Sidebar,
+  SidebarContent,
+  SidebarFooter,
+  SidebarGroup,
+  SidebarGroupAction,
+  SidebarGroupContent,
+  SidebarGroupLabel,
+  SidebarHeader,
+  SidebarInput,
+  SidebarInset,
+  SidebarMenu,
+  SidebarMenuAction,
+  SidebarMenuBadge,
+  SidebarMenuButton,
+  SidebarMenuItem,
+  SidebarMenuSkeleton,
+  SidebarMenuSub,
+  SidebarMenuSubButton,
+  SidebarMenuSubItem,
+  SidebarProvider,
+  SidebarRail,
+  SidebarSeparator,
+  SidebarTrigger,
+  useSidebar,
+};
--- a/frontend/src/components/ui/skeleton.tsx
+++ b/frontend/src/components/ui/skeleton.tsx
@@ -0,0 +1,7 @@
+import { cn } from "@/lib/utils";
+
+function Skeleton({ className, ...props }: React.HTMLAttributes<HTMLDivElement>) {
+  return <div className={cn("animate-pulse rounded-md bg-muted", className)} {...props} />;
+}
+
+export { Skeleton };
--- a/frontend/src/components/ui/slider.tsx
+++ b/frontend/src/components/ui/slider.tsx
@@ -0,0 +1,23 @@
+import * as React from "react";
+import * as SliderPrimitive from "@radix-ui/react-slider";
+
+import { cn } from "@/lib/utils";
+
+const Slider = React.forwardRef<
+  React.ElementRef<typeof SliderPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof SliderPrimitive.Root>
+>(({ className, ...props }, ref) => (
+  <SliderPrimitive.Root
+    ref={ref}
+    className={cn("relative flex w-full touch-none select-none items-center", className)}
+    {...props}
+  >
+    <SliderPrimitive.Track className="relative h-2 w-full grow overflow-hidden rounded-full bg-secondary">
+      <SliderPrimitive.Range className="absolute h-full bg-primary" />
+    </SliderPrimitive.Track>
+    <SliderPrimitive.Thumb className="block h-5 w-5 rounded-full border-2 border-primary bg-background ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50" />
+  </SliderPrimitive.Root>
+));
+Slider.displayName = SliderPrimitive.Root.displayName;
+
+export { Slider };
--- a/frontend/src/components/ui/sonner.tsx
+++ b/frontend/src/components/ui/sonner.tsx
@@ -0,0 +1,27 @@
+import { useTheme } from "next-themes";
+import { Toaster as Sonner, toast } from "sonner";
+
+type ToasterProps = React.ComponentProps<typeof Sonner>;
+
+const Toaster = ({ ...props }: ToasterProps) => {
+  const { theme = "system" } = useTheme();
+
+  return (
+    <Sonner
+      theme={theme as ToasterProps["theme"]}
+      className="toaster group"
+      toastOptions={{
+        classNames: {
+          toast:
+            "group toast group-[.toaster]:bg-background group-[.toaster]:text-foreground group-[.toaster]:border-border group-[.toaster]:shadow-lg",
+          description: "group-[.toast]:text-muted-foreground",
+          actionButton: "group-[.toast]:bg-primary group-[.toast]:text-primary-foreground",
+          cancelButton: "group-[.toast]:bg-muted group-[.toast]:text-muted-foreground",
+        },
+      }}
+      {...props}
+    />
+  );
+};
+
+export { Toaster, toast };
--- a/frontend/src/components/ui/switch.tsx
+++ b/frontend/src/components/ui/switch.tsx
@@ -0,0 +1,27 @@
+import * as React from "react";
+import * as SwitchPrimitives from "@radix-ui/react-switch";
+
+import { cn } from "@/lib/utils";
+
+const Switch = React.forwardRef<
+  React.ElementRef<typeof SwitchPrimitives.Root>,
+  React.ComponentPropsWithoutRef<typeof SwitchPrimitives.Root>
+>(({ className, ...props }, ref) => (
+  <SwitchPrimitives.Root
+    className={cn(
+      "peer inline-flex h-6 w-11 shrink-0 cursor-pointer items-center rounded-full border-2 border-transparent transition-colors data-[state=checked]:bg-primary data-[state=unchecked]:bg-input focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 focus-visible:ring-offset-background disabled:cursor-not-allowed disabled:opacity-50",
+      className,
+    )}
+    {...props}
+    ref={ref}
+  >
+    <SwitchPrimitives.Thumb
+      className={cn(
+        "pointer-events-none block h-5 w-5 rounded-full bg-background shadow-lg ring-0 transition-transform data-[state=checked]:translate-x-5 data-[state=unchecked]:translate-x-0",
+      )}
+    />
+  </SwitchPrimitives.Root>
+));
+Switch.displayName = SwitchPrimitives.Root.displayName;
+
+export { Switch };
--- a/frontend/src/components/ui/table.tsx
+++ b/frontend/src/components/ui/table.tsx
@@ -0,0 +1,72 @@
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+const Table = React.forwardRef<HTMLTableElement, React.HTMLAttributes<HTMLTableElement>>(
+  ({ className, ...props }, ref) => (
+    <div className="relative w-full overflow-auto">
+      <table ref={ref} className={cn("w-full caption-bottom text-sm", className)} {...props} />
+    </div>
+  ),
+);
+Table.displayName = "Table";
+
+const TableHeader = React.forwardRef<HTMLTableSectionElement, React.HTMLAttributes<HTMLTableSectionElement>>(
+  ({ className, ...props }, ref) => <thead ref={ref} className={cn("[&_tr]:border-b", className)} {...props} />,
+);
+TableHeader.displayName = "TableHeader";
+
+const TableBody = React.forwardRef<HTMLTableSectionElement, React.HTMLAttributes<HTMLTableSectionElement>>(
+  ({ className, ...props }, ref) => (
+    <tbody ref={ref} className={cn("[&_tr:last-child]:border-0", className)} {...props} />
+  ),
+);
+TableBody.displayName = "TableBody";
+
+const TableFooter = React.forwardRef<HTMLTableSectionElement, React.HTMLAttributes<HTMLTableSectionElement>>(
+  ({ className, ...props }, ref) => (
+    <tfoot ref={ref} className={cn("border-t bg-muted/50 font-medium [&>tr]:last:border-b-0", className)} {...props} />
+  ),
+);
+TableFooter.displayName = "TableFooter";
+
+const TableRow = React.forwardRef<HTMLTableRowElement, React.HTMLAttributes<HTMLTableRowElement>>(
+  ({ className, ...props }, ref) => (
+    <tr
+      ref={ref}
+      className={cn("border-b transition-colors data-[state=selected]:bg-muted hover:bg-muted/50", className)}
+      {...props}
+    />
+  ),
+);
+TableRow.displayName = "TableRow";
+
+const TableHead = React.forwardRef<HTMLTableCellElement, React.ThHTMLAttributes<HTMLTableCellElement>>(
+  ({ className, ...props }, ref) => (
+    <th
+      ref={ref}
+      className={cn(
+        "h-12 px-4 text-left align-middle font-medium text-muted-foreground [&:has([role=checkbox])]:pr-0",
+        className,
+      )}
+      {...props}
+    />
+  ),
+);
+TableHead.displayName = "TableHead";
+
+const TableCell = React.forwardRef<HTMLTableCellElement, React.TdHTMLAttributes<HTMLTableCellElement>>(
+  ({ className, ...props }, ref) => (
+    <td ref={ref} className={cn("p-4 align-middle [&:has([role=checkbox])]:pr-0", className)} {...props} />
+  ),
+);
+TableCell.displayName = "TableCell";
+
+const TableCaption = React.forwardRef<HTMLTableCaptionElement, React.HTMLAttributes<HTMLTableCaptionElement>>(
+  ({ className, ...props }, ref) => (
+    <caption ref={ref} className={cn("mt-4 text-sm text-muted-foreground", className)} {...props} />
+  ),
+);
+TableCaption.displayName = "TableCaption";
+
+export { Table, TableHeader, TableBody, TableFooter, TableHead, TableRow, TableCell, TableCaption };
--- a/frontend/src/components/ui/tabs.tsx
+++ b/frontend/src/components/ui/tabs.tsx
@@ -0,0 +1,53 @@
+import * as React from "react";
+import * as TabsPrimitive from "@radix-ui/react-tabs";
+
+import { cn } from "@/lib/utils";
+
+const Tabs = TabsPrimitive.Root;
+
+const TabsList = React.forwardRef<
+  React.ElementRef<typeof TabsPrimitive.List>,
+  React.ComponentPropsWithoutRef<typeof TabsPrimitive.List>
+>(({ className, ...props }, ref) => (
+  <TabsPrimitive.List
+    ref={ref}
+    className={cn(
+      "inline-flex h-10 items-center justify-center rounded-md bg-muted p-1 text-muted-foreground",
+      className,
+    )}
+    {...props}
+  />
+));
+TabsList.displayName = TabsPrimitive.List.displayName;
+
+const TabsTrigger = React.forwardRef<
+  React.ElementRef<typeof TabsPrimitive.Trigger>,
+  React.ComponentPropsWithoutRef<typeof TabsPrimitive.Trigger>
+>(({ className, ...props }, ref) => (
+  <TabsPrimitive.Trigger
+    ref={ref}
+    className={cn(
+      "inline-flex items-center justify-center whitespace-nowrap rounded-sm px-3 py-1.5 text-sm font-medium ring-offset-background transition-all data-[state=active]:bg-background data-[state=active]:text-foreground data-[state=active]:shadow-sm focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50",
+      className,
+    )}
+    {...props}
+  />
+));
+TabsTrigger.displayName = TabsPrimitive.Trigger.displayName;
+
+const TabsContent = React.forwardRef<
+  React.ElementRef<typeof TabsPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof TabsPrimitive.Content>
+>(({ className, ...props }, ref) => (
+  <TabsPrimitive.Content
+    ref={ref}
+    className={cn(
+      "mt-2 ring-offset-background focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2",
+      className,
+    )}
+    {...props}
+  />
+));
+TabsContent.displayName = TabsPrimitive.Content.displayName;
+
+export { Tabs, TabsList, TabsTrigger, TabsContent };
--- a/frontend/src/components/ui/textarea.tsx
+++ b/frontend/src/components/ui/textarea.tsx
@@ -0,0 +1,21 @@
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+export interface TextareaProps extends React.TextareaHTMLAttributes<HTMLTextAreaElement> {}
+
+const Textarea = React.forwardRef<HTMLTextAreaElement, TextareaProps>(({ className, ...props }, ref) => {
+  return (
+    <textarea
+      className={cn(
+        "flex min-h-[80px] w-full rounded-md border border-input bg-background px-3 py-2 text-sm ring-offset-background placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50",
+        className,
+      )}
+      ref={ref}
+      {...props}
+    />
+  );
+});
+Textarea.displayName = "Textarea";
+
+export { Textarea };
--- a/frontend/src/components/ui/toast.tsx
+++ b/frontend/src/components/ui/toast.tsx
@@ -0,0 +1,111 @@
+import * as React from "react";
+import * as ToastPrimitives from "@radix-ui/react-toast";
+import { cva, type VariantProps } from "class-variance-authority";
+import { X } from "lucide-react";
+
+import { cn } from "@/lib/utils";
+
+const ToastProvider = ToastPrimitives.Provider;
+
+const ToastViewport = React.forwardRef<
+  React.ElementRef<typeof ToastPrimitives.Viewport>,
+  React.ComponentPropsWithoutRef<typeof ToastPrimitives.Viewport>
+>(({ className, ...props }, ref) => (
+  <ToastPrimitives.Viewport
+    ref={ref}
+    className={cn(
+      "fixed top-0 z-[100] flex max-h-screen w-full flex-col-reverse p-4 sm:bottom-0 sm:right-0 sm:top-auto sm:flex-col md:max-w-[420px]",
+      className,
+    )}
+    {...props}
+  />
+));
+ToastViewport.displayName = ToastPrimitives.Viewport.displayName;
+
+const toastVariants = cva(
+  "group pointer-events-auto relative flex w-full items-center justify-between space-x-4 overflow-hidden rounded-md border p-6 pr-8 shadow-lg transition-all data-[swipe=cancel]:translate-x-0 data-[swipe=end]:translate-x-[var(--radix-toast-swipe-end-x)] data-[swipe=move]:translate-x-[var(--radix-toast-swipe-move-x)] data-[swipe=move]:transition-none data-[state=open]:animate-in data-[state=closed]:animate-out data-[swipe=end]:animate-out data-[state=closed]:fade-out-80 data-[state=closed]:slide-out-to-right-full data-[state=open]:slide-in-from-top-full data-[state=open]:sm:slide-in-from-bottom-full",
+  {
+    variants: {
+      variant: {
+        default: "border bg-background text-foreground",
+        destructive: "destructive group border-destructive bg-destructive text-destructive-foreground",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+    },
+  },
+);
+
+const Toast = React.forwardRef<
+  React.ElementRef<typeof ToastPrimitives.Root>,
+  React.ComponentPropsWithoutRef<typeof ToastPrimitives.Root> & VariantProps<typeof toastVariants>
+>(({ className, variant, ...props }, ref) => {
+  return <ToastPrimitives.Root ref={ref} className={cn(toastVariants({ variant }), className)} {...props} />;
+});
+Toast.displayName = ToastPrimitives.Root.displayName;
+
+const ToastAction = React.forwardRef<
+  React.ElementRef<typeof ToastPrimitives.Action>,
+  React.ComponentPropsWithoutRef<typeof ToastPrimitives.Action>
+>(({ className, ...props }, ref) => (
+  <ToastPrimitives.Action
+    ref={ref}
+    className={cn(
+      "inline-flex h-8 shrink-0 items-center justify-center rounded-md border bg-transparent px-3 text-sm font-medium ring-offset-background transition-colors group-[.destructive]:border-muted/40 hover:bg-secondary group-[.destructive]:hover:border-destructive/30 group-[.destructive]:hover:bg-destructive group-[.destructive]:hover:text-destructive-foreground focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 group-[.destructive]:focus:ring-destructive disabled:pointer-events-none disabled:opacity-50",
+      className,
+    )}
+    {...props}
+  />
+));
+ToastAction.displayName = ToastPrimitives.Action.displayName;
+
+const ToastClose = React.forwardRef<
+  React.ElementRef<typeof ToastPrimitives.Close>,
+  React.ComponentPropsWithoutRef<typeof ToastPrimitives.Close>
+>(({ className, ...props }, ref) => (
+  <ToastPrimitives.Close
+    ref={ref}
+    className={cn(
+      "absolute right-2 top-2 rounded-md p-1 text-foreground/50 opacity-0 transition-opacity group-hover:opacity-100 group-[.destructive]:text-red-300 hover:text-foreground group-[.destructive]:hover:text-red-50 focus:opacity-100 focus:outline-none focus:ring-2 group-[.destructive]:focus:ring-red-400 group-[.destructive]:focus:ring-offset-red-600",
+      className,
+    )}
+    toast-close=""
+    {...props}
+  >
+    <X className="h-4 w-4" />
+  </ToastPrimitives.Close>
+));
+ToastClose.displayName = ToastPrimitives.Close.displayName;
+
+const ToastTitle = React.forwardRef<
+  React.ElementRef<typeof ToastPrimitives.Title>,
+  React.ComponentPropsWithoutRef<typeof ToastPrimitives.Title>
+>(({ className, ...props }, ref) => (
+  <ToastPrimitives.Title ref={ref} className={cn("text-sm font-semibold", className)} {...props} />
+));
+ToastTitle.displayName = ToastPrimitives.Title.displayName;
+
+const ToastDescription = React.forwardRef<
+  React.ElementRef<typeof ToastPrimitives.Description>,
+  React.ComponentPropsWithoutRef<typeof ToastPrimitives.Description>
+>(({ className, ...props }, ref) => (
+  <ToastPrimitives.Description ref={ref} className={cn("text-sm opacity-90", className)} {...props} />
+));
+ToastDescription.displayName = ToastPrimitives.Description.displayName;
+
+type ToastProps = React.ComponentPropsWithoutRef<typeof Toast>;
+
+type ToastActionElement = React.ReactElement<typeof ToastAction>;
+
+export {
+  type ToastProps,
+  type ToastActionElement,
+  ToastProvider,
+  ToastViewport,
+  Toast,
+  ToastTitle,
+  ToastDescription,
+  ToastClose,
+  ToastAction,
+};
--- a/frontend/src/components/ui/toaster.tsx
+++ b/frontend/src/components/ui/toaster.tsx
@@ -0,0 +1,24 @@
+import { useToast } from "@/hooks/use-toast";
+import { Toast, ToastClose, ToastDescription, ToastProvider, ToastTitle, ToastViewport } from "@/components/ui/toast";
+
+export function Toaster() {
+  const { toasts } = useToast();
+
+  return (
+    <ToastProvider>
+      {toasts.map(function ({ id, title, description, action, ...props }) {
+        return (
+          <Toast key={id} {...props}>
+            <div className="grid gap-1">
+              {title && <ToastTitle>{title}</ToastTitle>}
+              {description && <ToastDescription>{description}</ToastDescription>}
+            </div>
+            {action}
+            <ToastClose />
+          </Toast>
+        );
+      })}
+      <ToastViewport />
+    </ToastProvider>
+  );
+}
--- a/frontend/src/components/ui/toggle-group.tsx
+++ b/frontend/src/components/ui/toggle-group.tsx
@@ -0,0 +1,49 @@
+import * as React from "react";
+import * as ToggleGroupPrimitive from "@radix-ui/react-toggle-group";
+import { type VariantProps } from "class-variance-authority";
+
+import { cn } from "@/lib/utils";
+import { toggleVariants } from "@/components/ui/toggle";
+
+const ToggleGroupContext = React.createContext<VariantProps<typeof toggleVariants>>({
+  size: "default",
+  variant: "default",
+});
+
+const ToggleGroup = React.forwardRef<
+  React.ElementRef<typeof ToggleGroupPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof ToggleGroupPrimitive.Root> & VariantProps<typeof toggleVariants>
+>(({ className, variant, size, children, ...props }, ref) => (
+  <ToggleGroupPrimitive.Root ref={ref} className={cn("flex items-center justify-center gap-1", className)} {...props}>
+    <ToggleGroupContext.Provider value={{ variant, size }}>{children}</ToggleGroupContext.Provider>
+  </ToggleGroupPrimitive.Root>
+));
+
+ToggleGroup.displayName = ToggleGroupPrimitive.Root.displayName;
+
+const ToggleGroupItem = React.forwardRef<
+  React.ElementRef<typeof ToggleGroupPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof ToggleGroupPrimitive.Item> & VariantProps<typeof toggleVariants>
+>(({ className, children, variant, size, ...props }, ref) => {
+  const context = React.useContext(ToggleGroupContext);
+
+  return (
+    <ToggleGroupPrimitive.Item
+      ref={ref}
+      className={cn(
+        toggleVariants({
+          variant: context.variant || variant,
+          size: context.size || size,
+        }),
+        className,
+      )}
+      {...props}
+    >
+      {children}
+    </ToggleGroupPrimitive.Item>
+  );
+});
+
+ToggleGroupItem.displayName = ToggleGroupPrimitive.Item.displayName;
+
+export { ToggleGroup, ToggleGroupItem };
--- a/frontend/src/components/ui/toggle.tsx
+++ b/frontend/src/components/ui/toggle.tsx
@@ -0,0 +1,37 @@
+import * as React from "react";
+import * as TogglePrimitive from "@radix-ui/react-toggle";
+import { cva, type VariantProps } from "class-variance-authority";
+
+import { cn } from "@/lib/utils";
+
+const toggleVariants = cva(
+  "inline-flex items-center justify-center rounded-md text-sm font-medium ring-offset-background transition-colors hover:bg-muted hover:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50 data-[state=on]:bg-accent data-[state=on]:text-accent-foreground",
+  {
+    variants: {
+      variant: {
+        default: "bg-transparent",
+        outline: "border border-input bg-transparent hover:bg-accent hover:text-accent-foreground",
+      },
+      size: {
+        default: "h-10 px-3",
+        sm: "h-9 px-2.5",
+        lg: "h-11 px-5",
+      },
+    },
+    defaultVariants: {
+      variant: "default",
+      size: "default",
+    },
+  },
+);
+
+const Toggle = React.forwardRef<
+  React.ElementRef<typeof TogglePrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof TogglePrimitive.Root> & VariantProps<typeof toggleVariants>
+>(({ className, variant, size, ...props }, ref) => (
+  <TogglePrimitive.Root ref={ref} className={cn(toggleVariants({ variant, size, className }))} {...props} />
+));
+
+Toggle.displayName = TogglePrimitive.Root.displayName;
+
+export { Toggle, toggleVariants };
--- a/frontend/src/components/ui/tooltip.tsx
+++ b/frontend/src/components/ui/tooltip.tsx
@@ -0,0 +1,28 @@
+import * as React from "react";
+import * as TooltipPrimitive from "@radix-ui/react-tooltip";
+
+import { cn } from "@/lib/utils";
+
+const TooltipProvider = TooltipPrimitive.Provider;
+
+const Tooltip = TooltipPrimitive.Root;
+
+const TooltipTrigger = TooltipPrimitive.Trigger;
+
+const TooltipContent = React.forwardRef<
+  React.ElementRef<typeof TooltipPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof TooltipPrimitive.Content>
+>(({ className, sideOffset = 4, ...props }, ref) => (
+  <TooltipPrimitive.Content
+    ref={ref}
+    sideOffset={sideOffset}
+    className={cn(
+      "z-50 overflow-hidden rounded-md border bg-popover px-3 py-1.5 text-sm text-popover-foreground shadow-md animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+      className,
+    )}
+    {...props}
+  />
+));
+TooltipContent.displayName = TooltipPrimitive.Content.displayName;
+
+export { Tooltip, TooltipTrigger, TooltipContent, TooltipProvider };
--- a/frontend/src/components/ui/use-toast.ts
+++ b/frontend/src/components/ui/use-toast.ts
@@ -0,0 +1,3 @@
+import { useToast, toast } from "@/hooks/use-toast";
+
+export { useToast, toast };
--- a/frontend/src/data/mockData.ts
+++ b/frontend/src/data/mockData.ts
@@ -0,0 +1,42 @@
+import { Participant, TimeSlot } from '@/types/calendar';
+
+export const mockParticipants: Participant[] = [
+  { id: '1', name: 'Ana Rodriguez', email: 'ana@monadical.com', connected: true },
+  { id: '2', name: 'Max Chen', email: 'max@monadical.com', connected: true },
+  { id: '3', name: 'Jordan Kim', email: 'jordan@monadical.com', connected: true },
+  { id: '4', name: 'Jose Garcia', email: 'jose@monadical.com', connected: false },
+  { id: '5', name: 'Sarah Wilson', email: 'sarah@monadical.com', connected: true },
+  { id: '6', name: 'David Park', email: 'david@monadical.com', connected: true },
+];
+
+export const days = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri'];
+export const hours = [9, 10, 11, 12, 13, 14, 15, 16, 17];
+
+export const generateMockAvailability = (selectedParticipants: Participant[]): TimeSlot[] => {
+  const slots: TimeSlot[] = [];
+  
+  days.forEach(day => {
+    hours.forEach(hour => {
+      // Generate random availability based on participants
+      const availableParticipants = selectedParticipants.filter(() => Math.random() > 0.3);
+      
+      let availability: 'full' | 'partial' | 'none';
+      if (availableParticipants.length === selectedParticipants.length) {
+        availability = 'full';
+      } else if (availableParticipants.length > 0) {
+        availability = 'partial';
+      } else {
+        availability = 'none';
+      }
+      
+      slots.push({
+        day,
+        hour,
+        availability,
+        availableParticipants: availableParticipants.map(p => p.name),
+      });
+    });
+  });
+  
+  return slots;
+};
--- a/frontend/src/hooks/use-mobile.tsx
+++ b/frontend/src/hooks/use-mobile.tsx
@@ -0,0 +1,19 @@
+import * as React from "react";
+
+const MOBILE_BREAKPOINT = 768;
+
+export function useIsMobile() {
+  const [isMobile, setIsMobile] = React.useState<boolean | undefined>(undefined);
+
+  React.useEffect(() => {
+    const mql = window.matchMedia(`(max-width: ${MOBILE_BREAKPOINT - 1}px)`);
+    const onChange = () => {
+      setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
+    };
+    mql.addEventListener("change", onChange);
+    setIsMobile(window.innerWidth < MOBILE_BREAKPOINT);
+    return () => mql.removeEventListener("change", onChange);
+  }, []);
+
+  return !!isMobile;
+}
--- a/frontend/src/hooks/use-toast.ts
+++ b/frontend/src/hooks/use-toast.ts
@@ -0,0 +1,186 @@
+import * as React from "react";
+
+import type { ToastActionElement, ToastProps } from "@/components/ui/toast";
+
+const TOAST_LIMIT = 1;
+const TOAST_REMOVE_DELAY = 1000000;
+
+type ToasterToast = ToastProps & {
+  id: string;
+  title?: React.ReactNode;
+  description?: React.ReactNode;
+  action?: ToastActionElement;
+};
+
+const actionTypes = {
+  ADD_TOAST: "ADD_TOAST",
+  UPDATE_TOAST: "UPDATE_TOAST",
+  DISMISS_TOAST: "DISMISS_TOAST",
+  REMOVE_TOAST: "REMOVE_TOAST",
+} as const;
+
+let count = 0;
+
+function genId() {
+  count = (count + 1) % Number.MAX_SAFE_INTEGER;
+  return count.toString();
+}
+
+type ActionType = typeof actionTypes;
+
+type Action =
+  | {
+      type: ActionType["ADD_TOAST"];
+      toast: ToasterToast;
+    }
+  | {
+      type: ActionType["UPDATE_TOAST"];
+      toast: Partial<ToasterToast>;
+    }
+  | {
+      type: ActionType["DISMISS_TOAST"];
+      toastId?: ToasterToast["id"];
+    }
+  | {
+      type: ActionType["REMOVE_TOAST"];
+      toastId?: ToasterToast["id"];
+    };
+
+interface State {
+  toasts: ToasterToast[];
+}
+
+const toastTimeouts = new Map<string, ReturnType<typeof setTimeout>>();
+
+const addToRemoveQueue = (toastId: string) => {
+  if (toastTimeouts.has(toastId)) {
+    return;
+  }
+
+  const timeout = setTimeout(() => {
+    toastTimeouts.delete(toastId);
+    dispatch({
+      type: "REMOVE_TOAST",
+      toastId: toastId,
+    });
+  }, TOAST_REMOVE_DELAY);
+
+  toastTimeouts.set(toastId, timeout);
+};
+
+export const reducer = (state: State, action: Action): State => {
+  switch (action.type) {
+    case "ADD_TOAST":
+      return {
+        ...state,
+        toasts: [action.toast, ...state.toasts].slice(0, TOAST_LIMIT),
+      };
+
+    case "UPDATE_TOAST":
+      return {
+        ...state,
+        toasts: state.toasts.map((t) => (t.id === action.toast.id ? { ...t, ...action.toast } : t)),
+      };
+
+    case "DISMISS_TOAST": {
+      const { toastId } = action;
+
+      // ! Side effects ! - This could be extracted into a dismissToast() action,
+      // but I'll keep it here for simplicity
+      if (toastId) {
+        addToRemoveQueue(toastId);
+      } else {
+        state.toasts.forEach((toast) => {
+          addToRemoveQueue(toast.id);
+        });
+      }
+
+      return {
+        ...state,
+        toasts: state.toasts.map((t) =>
+          t.id === toastId || toastId === undefined
+            ? {
+                ...t,
+                open: false,
+              }
+            : t,
+        ),
+      };
+    }
+    case "REMOVE_TOAST":
+      if (action.toastId === undefined) {
+        return {
+          ...state,
+          toasts: [],
+        };
+      }
+      return {
+        ...state,
+        toasts: state.toasts.filter((t) => t.id !== action.toastId),
+      };
+  }
+};
+
+const listeners: Array<(state: State) => void> = [];
+
+let memoryState: State = { toasts: [] };
+
+function dispatch(action: Action) {
+  memoryState = reducer(memoryState, action);
+  listeners.forEach((listener) => {
+    listener(memoryState);
+  });
+}
+
+type Toast = Omit<ToasterToast, "id">;
+
+function toast({ ...props }: Toast) {
+  const id = genId();
+
+  const update = (props: ToasterToast) =>
+    dispatch({
+      type: "UPDATE_TOAST",
+      toast: { ...props, id },
+    });
+  const dismiss = () => dispatch({ type: "DISMISS_TOAST", toastId: id });
+
+  dispatch({
+    type: "ADD_TOAST",
+    toast: {
+      ...props,
+      id,
+      open: true,
+      onOpenChange: (open) => {
+        if (!open) dismiss();
+      },
+    },
+  });
+
+  return {
+    id: id,
+    dismiss,
+    update,
+  };
+}
+
+function useToast() {
+  const [state, setState] = React.useState<State>(memoryState);
+
+  React.useEffect(() => {
+    listeners.push(setState);
+    return () => {
+      const index = listeners.indexOf(setState);
+      if (index > -1) {
+        listeners.splice(index, 1);
+      }
+    };
+  }, [state]);
+
+  return {
+    ...state,
+    toast,
+    dismiss: (toastId?: string) => dispatch({ type: "DISMISS_TOAST", toastId }),
+  };
+}
+
+export { useToast, toast };
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -0,0 +1,175 @@
+@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&display=swap');
+
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --background: 210 20% 98%;
+    --foreground: 222 47% 11%;
+
+    --card: 0 0% 100%;
+    --card-foreground: 222 47% 11%;
+
+    --popover: 0 0% 100%;
+    --popover-foreground: 222 47% 11%;
+
+    --primary: 173 58% 39%;
+    --primary-foreground: 0 0% 100%;
+
+    --secondary: 210 20% 96%;
+    --secondary-foreground: 222 47% 11%;
+
+    --muted: 210 20% 94%;
+    --muted-foreground: 215 16% 47%;
+
+    --accent: 173 58% 94%;
+    --accent-foreground: 173 58% 25%;
+
+    --destructive: 0 84% 60%;
+    --destructive-foreground: 0 0% 100%;
+
+    --border: 214 32% 91%;
+    --input: 214 32% 91%;
+    --ring: 173 58% 39%;
+
+    --radius: 0.75rem;
+
+    /* Custom colors for heatmap */
+    --availability-full: 142 71% 45%;
+    --availability-partial: 48 96% 53%;
+    --availability-none: 215 16% 85%;
+
+    /* Shadows */
+    --shadow-sm: 0 1px 2px 0 hsl(222 47% 11% / 0.05);
+    --shadow-md: 0 4px 6px -1px hsl(222 47% 11% / 0.1), 0 2px 4px -2px hsl(222 47% 11% / 0.1);
+    --shadow-lg: 0 10px 15px -3px hsl(222 47% 11% / 0.1), 0 4px 6px -4px hsl(222 47% 11% / 0.1);
+    --shadow-xl: 0 20px 25px -5px hsl(222 47% 11% / 0.1), 0 8px 10px -6px hsl(222 47% 11% / 0.1);
+
+    --sidebar-background: 0 0% 98%;
+    --sidebar-foreground: 240 5.3% 26.1%;
+    --sidebar-primary: 240 5.9% 10%;
+    --sidebar-primary-foreground: 0 0% 98%;
+    --sidebar-accent: 240 4.8% 95.9%;
+    --sidebar-accent-foreground: 240 5.9% 10%;
+    --sidebar-border: 220 13% 91%;
+    --sidebar-ring: 217.2 91.2% 59.8%;
+  }
+
+  .dark {
+    --background: 222 47% 6%;
+    --foreground: 210 20% 98%;
+
+    --card: 222 47% 8%;
+    --card-foreground: 210 20% 98%;
+
+    --popover: 222 47% 8%;
+    --popover-foreground: 210 20% 98%;
+
+    --primary: 173 58% 45%;
+    --primary-foreground: 0 0% 100%;
+
+    --secondary: 222 47% 14%;
+    --secondary-foreground: 210 20% 98%;
+
+    --muted: 222 47% 14%;
+    --muted-foreground: 215 16% 65%;
+
+    --accent: 173 58% 15%;
+    --accent-foreground: 173 58% 75%;
+
+    --destructive: 0 62% 30%;
+    --destructive-foreground: 210 20% 98%;
+
+    --border: 222 47% 17%;
+    --input: 222 47% 17%;
+    --ring: 173 58% 45%;
+
+    --availability-full: 142 71% 35%;
+    --availability-partial: 48 96% 40%;
+    --availability-none: 222 47% 20%;
+
+    --sidebar-background: 240 5.9% 10%;
+    --sidebar-foreground: 240 4.8% 95.9%;
+    --sidebar-primary: 224.3 76.3% 48%;
+    --sidebar-primary-foreground: 0 0% 100%;
+    --sidebar-accent: 240 3.7% 15.9%;
+    --sidebar-accent-foreground: 240 4.8% 95.9%;
+    --sidebar-border: 240 3.7% 15.9%;
+    --sidebar-ring: 217.2 91.2% 59.8%;
+  }
+}
+
+@layer base {
+  * {
+    @apply border-border;
+  }
+
+  body {
+    @apply bg-background text-foreground font-sans antialiased;
+    font-family: 'DM Sans', sans-serif;
+  }
+}
+
+@layer utilities {
+  .shadow-card {
+    box-shadow: var(--shadow-md);
+  }
+
+  .shadow-card-hover {
+    box-shadow: var(--shadow-lg);
+  }
+
+  .shadow-popover {
+    box-shadow: var(--shadow-xl);
+  }
+
+  .animate-fade-in {
+    animation: fadeIn 0.3s ease-out;
+  }
+
+  .animate-slide-up {
+    animation: slideUp 0.3s ease-out;
+  }
+
+  .animate-scale-in {
+    animation: scaleIn 0.2s ease-out;
+  }
+
+  .animate-pulse-subtle {
+    animation: pulseSoft 2s ease-in-out infinite;
+  }
+}
+
+@keyframes fadeIn {
+  from { opacity: 0; }
+  to { opacity: 1; }
+}
+
+@keyframes slideUp {
+  from {
+    opacity: 0;
+    transform: translateY(10px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+@keyframes scaleIn {
+  from {
+    opacity: 0;
+    transform: scale(0.95);
+  }
+  to {
+    opacity: 1;
+    transform: scale(1);
+  }
+}
+
+@keyframes pulseSoft {
+  0%, 100% { opacity: 1; }
+  50% { opacity: 0.7; }
+}
--- a/frontend/src/lib/utils.ts
+++ b/frontend/src/lib/utils.ts
@@ -0,0 +1,6 @@
+import { clsx, type ClassValue } from "clsx";
+import { twMerge } from "tailwind-merge";
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}
--- a/frontend/src/main.tsx
+++ b/frontend/src/main.tsx
@@ -0,0 +1,5 @@
+import { createRoot } from "react-dom/client";
+import App from "./App.tsx";
+import "./index.css";
+
+createRoot(document.getElementById("root")!).render(<App />);
--- a/frontend/src/pages/Index.tsx
+++ b/frontend/src/pages/Index.tsx
@@ -0,0 +1,219 @@
+import { useState, useEffect, useMemo } from 'react';
+import { Header } from '@/components/Header';
+import { ParticipantSelector } from '@/components/ParticipantSelector';
+import { ParticipantManager } from '@/components/ParticipantManager';
+import { AvailabilityHeatmap } from '@/components/AvailabilityHeatmap';
+import { ScheduleModal } from '@/components/ScheduleModal';
+import { generateMockAvailability } from '@/data/mockData';
+import { Participant, TimeSlot } from '@/types/calendar';
+import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
+import { Switch } from '@/components/ui/switch';
+import { Label } from '@/components/ui/label';
+import {
+  Popover,
+  PopoverContent,
+  PopoverTrigger,
+} from '@/components/ui/popover';
+import { Button } from '@/components/ui/button';
+import { Users, CalendarDays, Settings } from 'lucide-react';
+
+const STORAGE_KEY = 'calendar-participants';
+const SETTINGS_KEY = 'calendar-settings';
+
+interface Settings {
+  showPartialAvailability: boolean;
+}
+
+const defaultSettings: Settings = {
+  showPartialAvailability: false,
+};
+
+const Index = () => {
+  const [participants, setParticipants] = useState<Participant[]>([]);
+  const [selectedParticipants, setSelectedParticipants] = useState<Participant[]>([]);
+  const [selectedSlot, setSelectedSlot] = useState<TimeSlot | null>(null);
+  const [isModalOpen, setIsModalOpen] = useState(false);
+  const [settings, setSettings] = useState<Settings>(defaultSettings);
+
+  // Load participants from localStorage on mount
+  useEffect(() => {
+    const stored = localStorage.getItem(STORAGE_KEY);
+    if (stored) {
+      try {
+        setParticipants(JSON.parse(stored));
+      } catch (e) {
+        console.error('Failed to parse stored participants');
+      }
+    }
+  }, []);
+
+  // Load settings from localStorage on mount
+  useEffect(() => {
+    const stored = localStorage.getItem(SETTINGS_KEY);
+    if (stored) {
+      try {
+        setSettings({ ...defaultSettings, ...JSON.parse(stored) });
+      } catch (e) {
+        console.error('Failed to parse stored settings');
+      }
+    }
+  }, []);
+
+  // Save participants to localStorage when changed
+  useEffect(() => {
+    localStorage.setItem(STORAGE_KEY, JSON.stringify(participants));
+  }, [participants]);
+
+  // Save settings to localStorage when changed
+  useEffect(() => {
+    localStorage.setItem(SETTINGS_KEY, JSON.stringify(settings));
+  }, [settings]);
+
+  const handleAddParticipant = (data: { name: string; email: string; icsLink: string }) => {
+    const newParticipant: Participant = {
+      id: crypto.randomUUID(),
+      name: data.name,
+      email: data.email,
+      icsLink: data.icsLink,
+      connected: true,
+    };
+    setParticipants((prev) => [...prev, newParticipant]);
+  };
+
+  const handleRemoveParticipant = (id: string) => {
+    setParticipants((prev) => prev.filter((p) => p.id !== id));
+    setSelectedParticipants((prev) => prev.filter((p) => p.id !== id));
+  };
+
+  // Generate availability when participants change
+  const availabilitySlots = useMemo(() => {
+    return generateMockAvailability(selectedParticipants);
+  }, [selectedParticipants]);
+
+  const handleSlotSelect = (slot: TimeSlot) => {
+    setSelectedSlot(slot);
+    setIsModalOpen(true);
+  };
+
+  return (
+    <div className="min-h-screen bg-background">
+      <Header />
+
+      <main className="container max-w-5xl mx-auto px-4 py-8">
+        <Tabs defaultValue="schedule" className="space-y-6">
+          <TabsList className="grid w-full max-w-md mx-auto grid-cols-2">
+            <TabsTrigger value="participants" className="flex items-center gap-2">
+              <Users className="w-4 h-4" />
+              Participants
+            </TabsTrigger>
+            <TabsTrigger value="schedule" className="flex items-center gap-2">
+              <CalendarDays className="w-4 h-4" />
+              Schedule
+            </TabsTrigger>
+          </TabsList>
+
+          <TabsContent value="participants" className="animate-fade-in">
+            <div className="text-center mb-6">
+              <h2 className="text-3xl font-bold text-foreground mb-2">
+                Manage Participants
+              </h2>
+              <p className="text-muted-foreground">
+                Add team members with their calendar ICS links
+              </p>
+            </div>
+
+            <ParticipantManager
+              participants={participants}
+              onAddParticipant={handleAddParticipant}
+              onRemoveParticipant={handleRemoveParticipant}
+            />
+          </TabsContent>
+
+          <TabsContent value="schedule" className="animate-fade-in">
+            <div className="space-y-8">
+              <div className="text-center relative">
+                <div className="absolute right-0 top-0">
+                  <Popover>
+                    <PopoverTrigger asChild>
+                      <Button variant="ghost" size="icon">
+                        <Settings className="w-5 h-5" />
+                      </Button>
+                    </PopoverTrigger>
+                    <PopoverContent className="w-72" align="end">
+                      <div className="space-y-4">
+                        <h4 className="font-medium">Settings</h4>
+                        <div className="flex items-center justify-between gap-4">
+                          <Label htmlFor="partial-availability" className="text-sm cursor-pointer">
+                            Show partial availability
+                          </Label>
+                          <Switch
+                            id="partial-availability"
+                            checked={settings.showPartialAvailability}
+                            onCheckedChange={(checked) =>
+                              setSettings((prev) => ({ ...prev, showPartialAvailability: checked }))
+                            }
+                          />
+                        </div>
+                        <p className="text-xs text-muted-foreground">
+                          When enabled, shows time slots where only some participants are available.
+                        </p>
+                      </div>
+                    </PopoverContent>
+                  </Popover>
+                </div>
+                <h2 className="text-3xl font-bold text-foreground mb-2">
+                  Schedule a Meeting
+                </h2>
+                <p className="text-muted-foreground">
+                  Find the perfect time that works for everyone
+                </p>
+              </div>
+
+              {participants.length === 0 ? (
+                <div className="bg-card rounded-xl shadow-card p-8 text-center">
+                  <Users className="w-12 h-12 mx-auto mb-4 text-muted-foreground opacity-50" />
+                  <h3 className="text-lg font-medium text-foreground mb-2">No participants yet</h3>
+                  <p className="text-muted-foreground">
+                    Add participants in the Participants tab to start scheduling.
+                  </p>
+                </div>
+              ) : (
+                <>
+                  <div className="bg-card rounded-xl shadow-card p-6">
+                    <h3 className="text-lg font-semibold text-foreground mb-4">
+                      Who's joining?
+                    </h3>
+                    <ParticipantSelector
+                      participants={participants}
+                      selectedParticipants={selectedParticipants}
+                      onSelectionChange={setSelectedParticipants}
+                    />
+                  </div>
+
+                  <AvailabilityHeatmap
+                    slots={availabilitySlots}
+                    selectedParticipants={selectedParticipants}
+                    onSlotSelect={handleSlotSelect}
+                    showPartialAvailability={settings.showPartialAvailability}
+                  />
+                </>
+              )}
+            </div>
+          </TabsContent>
+        </Tabs>
+      </main>
+
+      <ScheduleModal
+        isOpen={isModalOpen}
+        onClose={() => {
+          setIsModalOpen(false);
+          setSelectedSlot(null);
+        }}
+        slot={selectedSlot}
+        participants={selectedParticipants}
+      />
+    </div>
+  );
+};
+
+export default Index;
--- a/frontend/src/pages/NotFound.tsx
+++ b/frontend/src/pages/NotFound.tsx
@@ -0,0 +1,24 @@
+import { useLocation } from "react-router-dom";
+import { useEffect } from "react";
+
+const NotFound = () => {
+  const location = useLocation();
+
+  useEffect(() => {
+    console.error("404 Error: User attempted to access non-existent route:", location.pathname);
+  }, [location.pathname]);
+
+  return (
+    <div className="flex min-h-screen items-center justify-center bg-muted">
+      <div className="text-center">
+        <h1 className="mb-4 text-4xl font-bold">404</h1>
+        <p className="mb-4 text-xl text-muted-foreground">Oops! Page not found</p>
+        <a href="/" className="text-primary underline hover:text-primary/90">
+          Return to Home
+        </a>
+      </div>
+    </div>
+  );
+};
+
+export default NotFound;
--- a/frontend/src/types/calendar.ts
+++ b/frontend/src/types/calendar.ts
@@ -0,0 +1,31 @@
+export interface Participant {
+  id: string;
+  name: string;
+  email: string;
+  icsLink?: string;
+  avatar?: string;
+  connected: boolean;
+}
+
+export interface TimeSlot {
+  day: string;
+  hour: number;
+  availability: 'full' | 'partial' | 'none';
+  availableParticipants: string[];
+}
+
+export interface CalendarProvider {
+  id: string;
+  name: string;
+  icon: string;
+}
+
+export interface Meeting {
+  id: string;
+  title: string;
+  notes?: string;
+  day: string;
+  startHour: number;
+  endHour: number;
+  participants: Participant[];
+}
--- a/frontend/src/vite-env.d.ts
+++ b/frontend/src/vite-env.d.ts
@@ -0,0 +1 @@
+/// <reference types="vite/client" />