build: Build a full-stack task management application with the following str...

.woodpecker.yml

@@ -1,9 +1,11 @@
 steps:
-  docker:
+  build-backend:
     image: woodpeckerci/plugin-kaniko
     settings:
       registry: registry.threesix.ai
-      repo: "testfix"
+      repo: "testfix-backend"
+      dockerfile: backend/Dockerfile
+      context: backend
       tags:
         - latest
         - ${CI_COMMIT_SHA:0:8}
@@ -13,10 +15,34 @@ steps:
       - event: push
         branch: main
 
-  deploy:
-    image: bitnami/kubectl:latest
-    commands:
-      - kubectl set image deployment/testfix testfix=registry.threesix.ai/testfix:${CI_COMMIT_SHA:0:8} -n projects
+  build-frontend:
+    image: woodpeckerci/plugin-kaniko
+    settings:
+      registry: registry.threesix.ai
+      repo: "testfix-frontend"
+      dockerfile: frontend/Dockerfile
+      context: frontend
+      tags:
+        - latest
+        - ${CI_COMMIT_SHA:0:8}
+      cache: true
+      skip-tls-verify: true
+    when:
+      - event: push
+        branch: main
+
+  deploy-backend:
+    image: bitnami/kubectl:latest
+    commands:
+      - kubectl set image deployment/testfix-backend backend=registry.threesix.ai/testfix-backend:${CI_COMMIT_SHA:0:8} -n projects
+    when:
+      - event: push
+        branch: main
+
+  deploy-frontend:
+    image: bitnami/kubectl:latest
+    commands:
+      - kubectl set image deployment/testfix-frontend frontend=registry.threesix.ai/testfix-frontend:${CI_COMMIT_SHA:0:8} -n projects
     when:
       - event: push
         branch: main

backend/.gitignore

@@ -0,0 +1,31 @@
+# Binaries
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+main
+taskmanager
+
+# Test binary
+*.test
+
+# Output of go coverage
+*.out
+
+# Dependency directories
+vendor/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Environment
+.env
+.env.local

backend/Dockerfile

@@ -0,0 +1,36 @@
+# Build stage
+FROM golang:1.22-alpine AS builder
+
+WORKDIR /app
+
+# Install dependencies
+RUN apk add --no-cache git
+
+# Copy go mod files
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o main .
+
+# Final stage
+FROM alpine:3.19
+
+WORKDIR /app
+
+# Install ca-certificates for HTTPS
+RUN apk --no-cache add ca-certificates
+
+# Copy binary from builder
+COPY --from=builder /app/main .
+
+# Expose port
+EXPOSE 8080
+
+# Run the application
+CMD ["./main"]

backend/go.mod

@@ -0,0 +1,7 @@
+module taskmanager
+
+go 1.22
+
+require github.com/go-chi/chi/v5 v5.0.12
+
+require github.com/go-chi/cors v1.2.1

backend/go.sum

@@ -0,0 +1,4 @@
+github.com/go-chi/chi/v5 v5.0.12 h1:9euLV5sTrTNTRUU9POmDUvfxyj6LAABLUcEWO+JJb4s=
+github.com/go-chi/chi/v5 v5.0.12/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8=
+github.com/go-chi/cors v1.2.1 h1:xEC8UT3Rlp2QuWNEr4Fs/c2EAGVKBwy/1vHx3bppil4=
+github.com/go-chi/cors v1.2.1/go.mod h1:sSbTewc+6wYHBBCW7ytsFSn836hqM7JxpglAy2Vzc58=

backend/main.go

@@ -0,0 +1,224 @@
+package main
+
+import (
+	"encoding/json"
+	"log"
+	"net/http"
+	"strconv"
+	"sync"
+	"time"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/go-chi/chi/v5/middleware"
+	"github.com/go-chi/cors"
+)
+
+type Task struct {
+	ID          int       `json:"id"`
+	Title       string    `json:"title"`
+	Description string    `json:"description"`
+	Status      string    `json:"status"`
+	Priority    string    `json:"priority"`
+	CreatedAt   time.Time `json:"createdAt"`
+	UpdatedAt   time.Time `json:"updatedAt"`
+}
+
+type TaskStore struct {
+	mu     sync.RWMutex
+	tasks  map[int]Task
+	nextID int
+}
+
+func NewTaskStore() *TaskStore {
+	store := &TaskStore{
+		tasks:  make(map[int]Task),
+		nextID: 1,
+	}
+	// Add some sample tasks
+	now := time.Now()
+	store.tasks[1] = Task{
+		ID:          1,
+		Title:       "Set up development environment",
+		Description: "Install all necessary tools and dependencies for the project",
+		Status:      "completed",
+		Priority:    "high",
+		CreatedAt:   now.Add(-48 * time.Hour),
+		UpdatedAt:   now.Add(-24 * time.Hour),
+	}
+	store.tasks[2] = Task{
+		ID:          2,
+		Title:       "Design database schema",
+		Description: "Create the initial database schema for task management",
+		Status:      "in_progress",
+		Priority:    "high",
+		CreatedAt:   now.Add(-24 * time.Hour),
+		UpdatedAt:   now,
+	}
+	store.tasks[3] = Task{
+		ID:          3,
+		Title:       "Implement user authentication",
+		Description: "Add JWT-based authentication system",
+		Status:      "pending",
+		Priority:    "medium",
+		CreatedAt:   now.Add(-12 * time.Hour),
+		UpdatedAt:   now.Add(-12 * time.Hour),
+	}
+	store.nextID = 4
+	return store
+}
+
+func (s *TaskStore) GetAll() []Task {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	tasks := make([]Task, 0, len(s.tasks))
+	for _, task := range s.tasks {
+		tasks = append(tasks, task)
+	}
+	return tasks
+}
+
+func (s *TaskStore) Get(id int) (Task, bool) {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	task, ok := s.tasks[id]
+	return task, ok
+}
+
+func (s *TaskStore) Create(task Task) Task {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	task.ID = s.nextID
+	task.CreatedAt = time.Now()
+	task.UpdatedAt = time.Now()
+	if task.Status == "" {
+		task.Status = "pending"
+	}
+	if task.Priority == "" {
+		task.Priority = "medium"
+	}
+	s.tasks[task.ID] = task
+	s.nextID++
+	return task
+}
+
+func (s *TaskStore) Delete(id int) bool {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	if _, ok := s.tasks[id]; ok {
+		delete(s.tasks, id)
+		return true
+	}
+	return false
+}
+
+type APIResponse struct {
+	Success bool        `json:"success"`
+	Data    interface{} `json:"data,omitempty"`
+	Error   string      `json:"error,omitempty"`
+}
+
+func respondJSON(w http.ResponseWriter, status int, payload interface{}) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	json.NewEncoder(w).Encode(payload)
+}
+
+func main() {
+	store := NewTaskStore()
+
+	r := chi.NewRouter()
+
+	// Middleware
+	r.Use(middleware.Logger)
+	r.Use(middleware.Recoverer)
+	r.Use(middleware.RequestID)
+	r.Use(cors.Handler(cors.Options{
+		AllowedOrigins:   []string{"http://localhost:3000", "http://localhost:8080", "*"},
+		AllowedMethods:   []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
+		AllowedHeaders:   []string{"Accept", "Authorization", "Content-Type", "X-CSRF-Token"},
+		ExposedHeaders:   []string{"Link"},
+		AllowCredentials: true,
+		MaxAge:           300,
+	}))
+
+	// Health check
+	r.Get("/health", func(w http.ResponseWriter, r *http.Request) {
+		respondJSON(w, http.StatusOK, APIResponse{Success: true, Data: "healthy"})
+	})
+
+	// API routes
+	r.Route("/api", func(r chi.Router) {
+		r.Route("/tasks", func(r chi.Router) {
+			r.Get("/", func(w http.ResponseWriter, r *http.Request) {
+				tasks := store.GetAll()
+				respondJSON(w, http.StatusOK, APIResponse{Success: true, Data: tasks})
+			})
+
+			r.Post("/", func(w http.ResponseWriter, r *http.Request) {
+				var task Task
+				if err := json.NewDecoder(r.Body).Decode(&task); err != nil {
+					respondJSON(w, http.StatusBadRequest, APIResponse{
+						Success: false,
+						Error:   "Invalid request body",
+					})
+					return
+				}
+				if task.Title == "" {
+					respondJSON(w, http.StatusBadRequest, APIResponse{
+						Success: false,
+						Error:   "Title is required",
+					})
+					return
+				}
+				created := store.Create(task)
+				respondJSON(w, http.StatusCreated, APIResponse{Success: true, Data: created})
+			})
+
+			r.Get("/{id}", func(w http.ResponseWriter, r *http.Request) {
+				idStr := chi.URLParam(r, "id")
+				id, err := strconv.Atoi(idStr)
+				if err != nil {
+					respondJSON(w, http.StatusBadRequest, APIResponse{
+						Success: false,
+						Error:   "Invalid task ID",
+					})
+					return
+				}
+				task, ok := store.Get(id)
+				if !ok {
+					respondJSON(w, http.StatusNotFound, APIResponse{
+						Success: false,
+						Error:   "Task not found",
+					})
+					return
+				}
+				respondJSON(w, http.StatusOK, APIResponse{Success: true, Data: task})
+			})
+
+			r.Delete("/{id}", func(w http.ResponseWriter, r *http.Request) {
+				idStr := chi.URLParam(r, "id")
+				id, err := strconv.Atoi(idStr)
+				if err != nil {
+					respondJSON(w, http.StatusBadRequest, APIResponse{
+						Success: false,
+						Error:   "Invalid task ID",
+					})
+					return
+				}
+				if !store.Delete(id) {
+					respondJSON(w, http.StatusNotFound, APIResponse{
+						Success: false,
+						Error:   "Task not found",
+					})
+					return
+				}
+				respondJSON(w, http.StatusOK, APIResponse{Success: true, Data: "Task deleted"})
+			})
+		})
+	})
+
+	log.Println("Starting server on :8080")
+	if err := http.ListenAndServe(":8080", r); err != nil {
+		log.Fatal(err)
+	}
+}

docker-compose.yml

@@ -0,0 +1,35 @@
+version: '3.8'
+
+services:
+  backend:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    ports:
+      - "8080:8080"
+    environment:
+      - PORT=8080
+    healthcheck:
+      test: ["CMD", "wget", "-q", "--spider", "http://localhost:8080/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 10s
+    restart: unless-stopped
+
+  frontend:
+    build:
+      context: ./frontend
+      dockerfile: Dockerfile
+    ports:
+      - "3000:3000"
+    environment:
+      - BACKEND_URL=http://backend:8080
+    depends_on:
+      backend:
+        condition: service_healthy
+    restart: unless-stopped
+
+networks:
+  default:
+    driver: bridge

frontend/.gitignore

@@ -0,0 +1,34 @@
+# Dependencies
+/node_modules
+/.pnp
+.pnp.js
+.yarn/install-state.gz
+
+# Testing
+/coverage
+
+# Next.js
+/.next/
+/out/
+
+# Production
+/build
+
+# Misc
+.DS_Store
+*.pem
+
+# Debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Local env files
+.env*.local
+
+# Vercel
+.vercel
+
+# Typescript
+*.tsbuildinfo
+next-env.d.ts

frontend/Dockerfile

@@ -0,0 +1,51 @@
+# Dependencies stage
+FROM node:20-alpine AS deps
+
+WORKDIR /app
+
+# Copy package files
+COPY package.json package-lock.json* ./
+
+# Install dependencies
+RUN npm ci || npm install
+
+# Builder stage
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Copy dependencies
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# Set environment variables for build
+ENV NEXT_TELEMETRY_DISABLED=1
+
+# Build the application
+RUN npm run build
+
+# Runner stage
+FROM node:20-alpine AS runner
+
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+
+# Create non-root user
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+
+# Copy necessary files from builder
+COPY --from=builder /app/public ./public
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+
+CMD ["node", "server.js"]

frontend/app/globals.css

@@ -0,0 +1,46 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  :root {
+    --background: 222.2 84% 4.9%;
+    --foreground: 210 40% 98%;
+
+    --card: 222.2 84% 4.9%;
+    --card-foreground: 210 40% 98%;
+
+    --popover: 222.2 84% 4.9%;
+    --popover-foreground: 210 40% 98%;
+
+    --primary: 217.2 91.2% 59.8%;
+    --primary-foreground: 222.2 47.4% 11.2%;
+
+    --secondary: 217.2 32.6% 17.5%;
+    --secondary-foreground: 210 40% 98%;
+
+    --muted: 217.2 32.6% 17.5%;
+    --muted-foreground: 215 20.2% 65.1%;
+
+    --accent: 217.2 32.6% 17.5%;
+    --accent-foreground: 210 40% 98%;
+
+    --destructive: 0 62.8% 30.6%;
+    --destructive-foreground: 210 40% 98%;
+
+    --border: 217.2 32.6% 17.5%;
+    --input: 217.2 32.6% 17.5%;
+    --ring: 224.3 76.3% 48%;
+
+    --radius: 0.5rem;
+  }
+}
+
+@layer base {
+  * {
+    @apply border-border;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
+}

frontend/app/layout.tsx

@@ -0,0 +1,33 @@
+import type { Metadata } from "next";
+import { Inter } from "next/font/google";
+import "./globals.css";
+
+const inter = Inter({ subsets: ["latin"] });
+
+export const metadata: Metadata = {
+  title: "Task Manager",
+  description: "A modern task management application",
+};
+
+export default function RootLayout({
+  children,
+}: Readonly<{
+  children: React.ReactNode;
+}>) {
+  return (
+    <html lang="en" className="dark">
+      <body className={inter.className}>
+        <div className="min-h-screen bg-background">
+          <header className="border-b border-border">
+            <div className="container mx-auto px-4 py-4">
+              <h1 className="text-2xl font-bold text-foreground">
+                Task Manager
+              </h1>
+            </div>
+          </header>
+          <main className="container mx-auto px-4 py-8">{children}</main>
+        </div>
+      </body>
+    </html>
+  );
+}

frontend/app/page.tsx

@@ -0,0 +1,216 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import Link from "next/link";
+import { Plus, Trash2, CheckCircle, Clock, Circle } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Badge } from "@/components/ui/badge";
+import { Task, fetchTasks, deleteTask } from "@/lib/api";
+
+const statusIcons = {
+  pending: Circle,
+  in_progress: Clock,
+  completed: CheckCircle,
+};
+
+const statusColors = {
+  pending: "bg-yellow-500/20 text-yellow-400 border-yellow-500/30",
+  in_progress: "bg-blue-500/20 text-blue-400 border-blue-500/30",
+  completed: "bg-green-500/20 text-green-400 border-green-500/30",
+};
+
+const priorityColors = {
+  low: "bg-slate-500/20 text-slate-400 border-slate-500/30",
+  medium: "bg-orange-500/20 text-orange-400 border-orange-500/30",
+  high: "bg-red-500/20 text-red-400 border-red-500/30",
+};
+
+export default function Dashboard() {
+  const [tasks, setTasks] = useState<Task[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+
+  const loadTasks = async () => {
+    try {
+      setLoading(true);
+      const data = await fetchTasks();
+      setTasks(data);
+      setError(null);
+    } catch (err) {
+      setError(err instanceof Error ? err.message : "Failed to load tasks");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  useEffect(() => {
+    loadTasks();
+  }, []);
+
+  const handleDelete = async (id: number) => {
+    try {
+      await deleteTask(id);
+      setTasks(tasks.filter((t) => t.id !== id));
+    } catch (err) {
+      setError(err instanceof Error ? err.message : "Failed to delete task");
+    }
+  };
+
+  const stats = {
+    total: tasks.length,
+    pending: tasks.filter((t) => t.status === "pending").length,
+    inProgress: tasks.filter((t) => t.status === "in_progress").length,
+    completed: tasks.filter((t) => t.status === "completed").length,
+  };
+
+  if (loading) {
+    return (
+      <div className="flex items-center justify-center min-h-[400px]">
+        <div className="text-muted-foreground">Loading tasks...</div>
+      </div>
+    );
+  }
+
+  return (
+    <div className="space-y-8">
+      {/* Stats Overview */}
+      <div className="grid grid-cols-1 md:grid-cols-4 gap-4">
+        <Card>
+          <CardHeader className="pb-2">
+            <CardTitle className="text-sm font-medium text-muted-foreground">
+              Total Tasks
+            </CardTitle>
+          </CardHeader>
+          <CardContent>
+            <div className="text-3xl font-bold">{stats.total}</div>
+          </CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="pb-2">
+            <CardTitle className="text-sm font-medium text-muted-foreground">
+              Pending
+            </CardTitle>
+          </CardHeader>
+          <CardContent>
+            <div className="text-3xl font-bold text-yellow-400">
+              {stats.pending}
+            </div>
+          </CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="pb-2">
+            <CardTitle className="text-sm font-medium text-muted-foreground">
+              In Progress
+            </CardTitle>
+          </CardHeader>
+          <CardContent>
+            <div className="text-3xl font-bold text-blue-400">
+              {stats.inProgress}
+            </div>
+          </CardContent>
+        </Card>
+        <Card>
+          <CardHeader className="pb-2">
+            <CardTitle className="text-sm font-medium text-muted-foreground">
+              Completed
+            </CardTitle>
+          </CardHeader>
+          <CardContent>
+            <div className="text-3xl font-bold text-green-400">
+              {stats.completed}
+            </div>
+          </CardContent>
+        </Card>
+      </div>
+
+      {/* Actions */}
+      <div className="flex justify-between items-center">
+        <h2 className="text-xl font-semibold">Tasks</h2>
+        <Link href="/tasks/new">
+          <Button>
+            <Plus className="mr-2 h-4 w-4" />
+            Add Task
+          </Button>
+        </Link>
+      </div>
+
+      {/* Error Message */}
+      {error && (
+        <div className="bg-destructive/20 text-destructive-foreground border border-destructive/30 rounded-lg p-4">
+          {error}
+        </div>
+      )}
+
+      {/* Task List */}
+      {tasks.length === 0 ? (
+        <Card>
+          <CardContent className="flex flex-col items-center justify-center py-12">
+            <p className="text-muted-foreground mb-4">No tasks yet</p>
+            <Link href="/tasks/new">
+              <Button>
+                <Plus className="mr-2 h-4 w-4" />
+                Create your first task
+              </Button>
+            </Link>
+          </CardContent>
+        </Card>
+      ) : (
+        <div className="grid gap-4">
+          {tasks.map((task) => {
+            const StatusIcon = statusIcons[task.status];
+            return (
+              <Card
+                key={task.id}
+                className="hover:border-primary/50 transition-colors"
+              >
+                <CardContent className="p-4">
+                  <div className="flex items-start justify-between gap-4">
+                    <div className="flex items-start gap-3 flex-1">
+                      <StatusIcon className="h-5 w-5 mt-0.5 text-muted-foreground" />
+                      <div className="flex-1 min-w-0">
+                        <Link
+                          href={`/tasks/${task.id}`}
+                          className="font-medium hover:text-primary transition-colors"
+                        >
+                          {task.title}
+                        </Link>
+                        {task.description && (
+                          <p className="text-sm text-muted-foreground mt-1 line-clamp-2">
+                            {task.description}
+                          </p>
+                        )}
+                        <div className="flex gap-2 mt-2">
+                          <Badge
+                            variant="outline"
+                            className={statusColors[task.status]}
+                          >
+                            {task.status.replace("_", " ")}
+                          </Badge>
+                          <Badge
+                            variant="outline"
+                            className={priorityColors[task.priority]}
+                          >
+                            {task.priority}
+                          </Badge>
+                        </div>
+                      </div>
+                    </div>
+                    <Button
+                      variant="ghost"
+                      size="icon"
+                      className="text-muted-foreground hover:text-destructive"
+                      onClick={() => handleDelete(task.id)}
+                    >
+                      <Trash2 className="h-4 w-4" />
+                    </Button>
+                  </div>
+                </CardContent>
+              </Card>
+            );
+          })}
+        </div>
+      )}
+    </div>
+  );
+}

frontend/app/tasks/[id]/page.tsx

@@ -0,0 +1,212 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import { useParams, useRouter } from "next/navigation";
+import Link from "next/link";
+import { ArrowLeft, Trash2, CheckCircle, Clock, Circle } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import {
+  Card,
+  CardContent,
+  CardDescription,
+  CardHeader,
+  CardTitle,
+} from "@/components/ui/card";
+import { Badge } from "@/components/ui/badge";
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+  DialogTrigger,
+} from "@/components/ui/dialog";
+import { Task, fetchTask, deleteTask } from "@/lib/api";
+
+const statusIcons = {
+  pending: Circle,
+  in_progress: Clock,
+  completed: CheckCircle,
+};
+
+const statusColors = {
+  pending: "bg-yellow-500/20 text-yellow-400 border-yellow-500/30",
+  in_progress: "bg-blue-500/20 text-blue-400 border-blue-500/30",
+  completed: "bg-green-500/20 text-green-400 border-green-500/30",
+};
+
+const priorityColors = {
+  low: "bg-slate-500/20 text-slate-400 border-slate-500/30",
+  medium: "bg-orange-500/20 text-orange-400 border-orange-500/30",
+  high: "bg-red-500/20 text-red-400 border-red-500/30",
+};
+
+export default function TaskDetail() {
+  const params = useParams();
+  const router = useRouter();
+  const [task, setTask] = useState<Task | null>(null);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+  const [deleteDialogOpen, setDeleteDialogOpen] = useState(false);
+
+  useEffect(() => {
+    const loadTask = async () => {
+      try {
+        setLoading(true);
+        const id = parseInt(params.id as string);
+        const data = await fetchTask(id);
+        setTask(data);
+        setError(null);
+      } catch (err) {
+        setError(err instanceof Error ? err.message : "Failed to load task");
+      } finally {
+        setLoading(false);
+      }
+    };
+
+    if (params.id) {
+      loadTask();
+    }
+  }, [params.id]);
+
+  const handleDelete = async () => {
+    if (!task) return;
+    try {
+      await deleteTask(task.id);
+      router.push("/");
+    } catch (err) {
+      setError(err instanceof Error ? err.message : "Failed to delete task");
+    }
+  };
+
+  const formatDate = (dateString: string) => {
+    return new Date(dateString).toLocaleString("en-US", {
+      dateStyle: "medium",
+      timeStyle: "short",
+    });
+  };
+
+  if (loading) {
+    return (
+      <div className="flex items-center justify-center min-h-[400px]">
+        <div className="text-muted-foreground">Loading task...</div>
+      </div>
+    );
+  }
+
+  if (error || !task) {
+    return (
+      <div className="max-w-2xl mx-auto">
+        <Link
+          href="/"
+          className="inline-flex items-center text-muted-foreground hover:text-foreground mb-6"
+        >
+          <ArrowLeft className="mr-2 h-4 w-4" />
+          Back to Dashboard
+        </Link>
+        <Card>
+          <CardContent className="flex flex-col items-center justify-center py-12">
+            <p className="text-destructive mb-4">{error || "Task not found"}</p>
+            <Link href="/">
+              <Button variant="outline">Go to Dashboard</Button>
+            </Link>
+          </CardContent>
+        </Card>
+      </div>
+    );
+  }
+
+  const StatusIcon = statusIcons[task.status];
+
+  return (
+    <div className="max-w-2xl mx-auto">
+      <Link
+        href="/"
+        className="inline-flex items-center text-muted-foreground hover:text-foreground mb-6"
+      >
+        <ArrowLeft className="mr-2 h-4 w-4" />
+        Back to Dashboard
+      </Link>
+
+      <Card>
+        <CardHeader>
+          <div className="flex items-start justify-between">
+            <div className="flex items-start gap-3">
+              <StatusIcon className="h-6 w-6 mt-1 text-muted-foreground" />
+              <div>
+                <CardTitle className="text-2xl">{task.title}</CardTitle>
+                <CardDescription className="mt-2">
+                  Created {formatDate(task.createdAt)}
+                </CardDescription>
+              </div>
+            </div>
+            <Dialog open={deleteDialogOpen} onOpenChange={setDeleteDialogOpen}>
+              <DialogTrigger asChild>
+                <Button variant="ghost" size="icon" className="text-destructive">
+                  <Trash2 className="h-5 w-5" />
+                </Button>
+              </DialogTrigger>
+              <DialogContent>
+                <DialogHeader>
+                  <DialogTitle>Delete Task</DialogTitle>
+                  <DialogDescription>
+                    Are you sure you want to delete this task? This action cannot
+                    be undone.
+                  </DialogDescription>
+                </DialogHeader>
+                <DialogFooter>
+                  <Button
+                    variant="outline"
+                    onClick={() => setDeleteDialogOpen(false)}
+                  >
+                    Cancel
+                  </Button>
+                  <Button variant="destructive" onClick={handleDelete}>
+                    Delete
+                  </Button>
+                </DialogFooter>
+              </DialogContent>
+            </Dialog>
+          </div>
+        </CardHeader>
+        <CardContent className="space-y-6">
+          <div className="flex gap-2">
+            <Badge variant="outline" className={statusColors[task.status]}>
+              {task.status.replace("_", " ")}
+            </Badge>
+            <Badge variant="outline" className={priorityColors[task.priority]}>
+              {task.priority} priority
+            </Badge>
+          </div>
+
+          {task.description && (
+            <div>
+              <h3 className="text-sm font-medium text-muted-foreground mb-2">
+                Description
+              </h3>
+              <p className="text-foreground whitespace-pre-wrap">
+                {task.description}
+              </p>
+            </div>
+          )}
+
+          <div className="grid grid-cols-2 gap-4 pt-4 border-t border-border">
+            <div>
+              <h3 className="text-sm font-medium text-muted-foreground mb-1">
+                Created
+              </h3>
+              <p className="text-foreground">{formatDate(task.createdAt)}</p>
+            </div>
+            <div>
+              <h3 className="text-sm font-medium text-muted-foreground mb-1">
+                Last Updated
+              </h3>
+              <p className="text-foreground">{formatDate(task.updatedAt)}</p>
+            </div>
+          </div>
+        </CardContent>
+      </Card>
+    </div>
+  );
+}

frontend/app/tasks/new/page.tsx

@@ -0,0 +1,153 @@
+"use client";
+
+import { useState } from "react";
+import { useRouter } from "next/navigation";
+import Link from "next/link";
+import { ArrowLeft } from "lucide-react";
+import { Button } from "@/components/ui/button";
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { Textarea } from "@/components/ui/textarea";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import { createTask } from "@/lib/api";
+
+export default function NewTask() {
+  const router = useRouter();
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const [formData, setFormData] = useState({
+    title: "",
+    description: "",
+    status: "pending" as const,
+    priority: "medium" as const,
+  });
+
+  const handleSubmit = async (e: React.FormEvent) => {
+    e.preventDefault();
+    if (!formData.title.trim()) {
+      setError("Title is required");
+      return;
+    }
+
+    try {
+      setLoading(true);
+      setError(null);
+      await createTask(formData);
+      router.push("/");
+    } catch (err) {
+      setError(err instanceof Error ? err.message : "Failed to create task");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return (
+    <div className="max-w-2xl mx-auto">
+      <Link
+        href="/"
+        className="inline-flex items-center text-muted-foreground hover:text-foreground mb-6"
+      >
+        <ArrowLeft className="mr-2 h-4 w-4" />
+        Back to Dashboard
+      </Link>
+
+      <Card>
+        <CardHeader>
+          <CardTitle>Create New Task</CardTitle>
+        </CardHeader>
+        <CardContent>
+          <form onSubmit={handleSubmit} className="space-y-6">
+            {error && (
+              <div className="bg-destructive/20 text-destructive-foreground border border-destructive/30 rounded-lg p-4">
+                {error}
+              </div>
+            )}
+
+            <div className="space-y-2">
+              <Label htmlFor="title">Title</Label>
+              <Input
+                id="title"
+                placeholder="Enter task title"
+                value={formData.title}
+                onChange={(e) =>
+                  setFormData({ ...formData, title: e.target.value })
+                }
+              />
+            </div>
+
+            <div className="space-y-2">
+              <Label htmlFor="description">Description</Label>
+              <Textarea
+                id="description"
+                placeholder="Enter task description (optional)"
+                rows={4}
+                value={formData.description}
+                onChange={(e) =>
+                  setFormData({ ...formData, description: e.target.value })
+                }
+              />
+            </div>
+
+            <div className="grid grid-cols-2 gap-4">
+              <div className="space-y-2">
+                <Label htmlFor="status">Status</Label>
+                <Select
+                  value={formData.status}
+                  onValueChange={(value: "pending" | "in_progress" | "completed") =>
+                    setFormData({ ...formData, status: value })
+                  }
+                >
+                  <SelectTrigger>
+                    <SelectValue placeholder="Select status" />
+                  </SelectTrigger>
+                  <SelectContent>
+                    <SelectItem value="pending">Pending</SelectItem>
+                    <SelectItem value="in_progress">In Progress</SelectItem>
+                    <SelectItem value="completed">Completed</SelectItem>
+                  </SelectContent>
+                </Select>
+              </div>
+
+              <div className="space-y-2">
+                <Label htmlFor="priority">Priority</Label>
+                <Select
+                  value={formData.priority}
+                  onValueChange={(value: "low" | "medium" | "high") =>
+                    setFormData({ ...formData, priority: value })
+                  }
+                >
+                  <SelectTrigger>
+                    <SelectValue placeholder="Select priority" />
+                  </SelectTrigger>
+                  <SelectContent>
+                    <SelectItem value="low">Low</SelectItem>
+                    <SelectItem value="medium">Medium</SelectItem>
+                    <SelectItem value="high">High</SelectItem>
+                  </SelectContent>
+                </Select>
+              </div>
+            </div>
+
+            <div className="flex gap-4">
+              <Button type="submit" disabled={loading}>
+                {loading ? "Creating..." : "Create Task"}
+              </Button>
+              <Link href="/">
+                <Button type="button" variant="outline">
+                  Cancel
+                </Button>
+              </Link>
+            </div>
+          </form>
+        </CardContent>
+      </Card>
+    </div>
+  );
+}

frontend/components.json

@@ -0,0 +1,17 @@
+{
+  "$schema": "https://ui.shadcn.com/schema.json",
+  "style": "default",
+  "rsc": true,
+  "tsx": true,
+  "tailwind": {
+    "config": "tailwind.config.ts",
+    "css": "app/globals.css",
+    "baseColor": "slate",
+    "cssVariables": true,
+    "prefix": ""
+  },
+  "aliases": {
+    "components": "@/components",
+    "utils": "@/lib/utils"
+  }
+}

frontend/components/ui/badge.tsx

@@ -0,0 +1,36 @@
+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 };

frontend/components/ui/button.tsx

@@ -0,0 +1,56 @@
+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 whitespace-nowrap rounded-md text-sm font-medium 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",
+  {
+    variants: {
+      variant: {
+        default: "bg-primary text-primary-foreground hover:bg-primary/90",
+        destructive:
+          "bg-destructive text-destructive-foreground hover:bg-destructive/90",
+        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",
+      },
+      size: {
+        default: "h-10 px-4 py-2",
+        sm: "h-9 rounded-md px-3",
+        lg: "h-11 rounded-md px-8",
+        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 };

frontend/components/ui/card.tsx

@@ -0,0 +1,79 @@
+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 };

frontend/components/ui/dialog.tsx

@@ -0,0 +1,122 @@
+"use client";
+
+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 hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none data-[state=open]:bg-accent data-[state=open]:text-muted-foreground">
+        <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,
+};

frontend/components/ui/input.tsx

@@ -0,0 +1,25 @@
+import * as React from "react";
+
+import { cn } from "@/lib/utils";
+
+export interface InputProps
+  extends React.InputHTMLAttributes<HTMLInputElement> {}
+
+const Input = React.forwardRef<HTMLInputElement, InputProps>(
+  ({ 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-sm ring-offset-background file:border-0 file:bg-transparent file:text-sm file:font-medium 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}
+      />
+    );
+  }
+);
+Input.displayName = "Input";
+
+export { Input };

frontend/components/ui/label.tsx

@@ -0,0 +1,26 @@
+"use client";
+
+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 };

frontend/components/ui/select.tsx

@@ -0,0 +1,160 @@
+"use client";
+
+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 focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+      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,
+};

frontend/components/ui/textarea.tsx

@@ -0,0 +1,24 @@
+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 };

frontend/lib/api.ts

@@ -0,0 +1,52 @@
+export interface Task {
+  id: number;
+  title: string;
+  description: string;
+  status: "pending" | "in_progress" | "completed";
+  priority: "low" | "medium" | "high";
+  createdAt: string;
+  updatedAt: string;
+}
+
+export interface APIResponse<T> {
+  success: boolean;
+  data?: T;
+  error?: string;
+}
+
+const API_BASE = "/api";
+
+export async function fetchTasks(): Promise<Task[]> {
+  const res = await fetch(`${API_BASE}/tasks`);
+  const json: APIResponse<Task[]> = await res.json();
+  if (!json.success) throw new Error(json.error || "Failed to fetch tasks");
+  return json.data || [];
+}
+
+export async function fetchTask(id: number): Promise<Task> {
+  const res = await fetch(`${API_BASE}/tasks/${id}`);
+  const json: APIResponse<Task> = await res.json();
+  if (!json.success) throw new Error(json.error || "Failed to fetch task");
+  return json.data!;
+}
+
+export async function createTask(
+  task: Pick<Task, "title" | "description" | "priority" | "status">
+): Promise<Task> {
+  const res = await fetch(`${API_BASE}/tasks`, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(task),
+  });
+  const json: APIResponse<Task> = await res.json();
+  if (!json.success) throw new Error(json.error || "Failed to create task");
+  return json.data!;
+}
+
+export async function deleteTask(id: number): Promise<void> {
+  const res = await fetch(`${API_BASE}/tasks/${id}`, {
+    method: "DELETE",
+  });
+  const json: APIResponse<string> = await res.json();
+  if (!json.success) throw new Error(json.error || "Failed to delete task");
+}

frontend/lib/utils.ts

@@ -0,0 +1,6 @@
+import { type ClassValue, clsx } from "clsx";
+import { twMerge } from "tailwind-merge";
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}

frontend/next.config.js

@@ -0,0 +1,16 @@
+/** @type {import('next').NextConfig} */
+const nextConfig = {
+  output: 'standalone',
+  async rewrites() {
+    return [
+      {
+        source: '/api/:path*',
+        destination: process.env.BACKEND_URL
+          ? `${process.env.BACKEND_URL}/api/:path*`
+          : 'http://backend:8080/api/:path*',
+      },
+    ];
+  },
+};
+
+module.exports = nextConfig;

frontend/package.json

@@ -0,0 +1,35 @@
+{
+  "name": "task-manager-frontend",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint"
+  },
+  "dependencies": {
+    "next": "14.2.3",
+    "react": "^18.3.1",
+    "react-dom": "^18.3.1",
+    "class-variance-authority": "^0.7.0",
+    "clsx": "^2.1.1",
+    "tailwind-merge": "^2.3.0",
+    "lucide-react": "^0.378.0",
+    "@radix-ui/react-slot": "^1.0.2",
+    "@radix-ui/react-dialog": "^1.0.5",
+    "@radix-ui/react-label": "^2.0.2",
+    "@radix-ui/react-select": "^2.0.0",
+    "@radix-ui/react-toast": "^1.1.5"
+  },
+  "devDependencies": {
+    "@types/node": "^20.12.12",
+    "@types/react": "^18.3.2",
+    "@types/react-dom": "^18.3.0",
+    "autoprefixer": "^10.4.19",
+    "postcss": "^8.4.38",
+    "tailwindcss": "^3.4.3",
+    "tailwindcss-animate": "^1.0.7",
+    "typescript": "^5.4.5"
+  }
+}

frontend/postcss.config.js

@@ -0,0 +1,6 @@
+module.exports = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+};

frontend/tailwind.config.ts

@@ -0,0 +1,80 @@
+import type { Config } from "tailwindcss";
+
+const config = {
+  darkMode: ["class"],
+  content: [
+    "./pages/**/*.{ts,tsx}",
+    "./components/**/*.{ts,tsx}",
+    "./app/**/*.{ts,tsx}",
+    "./src/**/*.{ts,tsx}",
+  ],
+  prefix: "",
+  theme: {
+    container: {
+      center: true,
+      padding: "2rem",
+      screens: {
+        "2xl": "1400px",
+      },
+    },
+    extend: {
+      colors: {
+        border: "hsl(var(--border))",
+        input: "hsl(var(--input))",
+        ring: "hsl(var(--ring))",
+        background: "hsl(var(--background))",
+        foreground: "hsl(var(--foreground))",
+        primary: {
+          DEFAULT: "hsl(var(--primary))",
+          foreground: "hsl(var(--primary-foreground))",
+        },
+        secondary: {
+          DEFAULT: "hsl(var(--secondary))",
+          foreground: "hsl(var(--secondary-foreground))",
+        },
+        destructive: {
+          DEFAULT: "hsl(var(--destructive))",
+          foreground: "hsl(var(--destructive-foreground))",
+        },
+        muted: {
+          DEFAULT: "hsl(var(--muted))",
+          foreground: "hsl(var(--muted-foreground))",
+        },
+        accent: {
+          DEFAULT: "hsl(var(--accent))",
+          foreground: "hsl(var(--accent-foreground))",
+        },
+        popover: {
+          DEFAULT: "hsl(var(--popover))",
+          foreground: "hsl(var(--popover-foreground))",
+        },
+        card: {
+          DEFAULT: "hsl(var(--card))",
+          foreground: "hsl(var(--card-foreground))",
+        },
+      },
+      borderRadius: {
+        lg: "var(--radius)",
+        md: "calc(var(--radius) - 2px)",
+        sm: "calc(var(--radius) - 4px)",
+      },
+      keyframes: {
+        "accordion-down": {
+          from: { height: "0" },
+          to: { height: "var(--radix-accordion-content-height)" },
+        },
+        "accordion-up": {
+          from: { height: "var(--radix-accordion-content-height)" },
+          to: { height: "0" },
+        },
+      },
+      animation: {
+        "accordion-down": "accordion-down 0.2s ease-out",
+        "accordion-up": "accordion-up 0.2s ease-out",
+      },
+    },
+  },
+  plugins: [require("tailwindcss-animate")],
+} satisfies Config;
+
+export default config;

frontend/tsconfig.json

@@ -0,0 +1,26 @@
+{
+  "compilerOptions": {
+    "lib": ["dom", "dom.iterable", "esnext"],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "noEmit": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "bundler",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve",
+    "incremental": true,
+    "plugins": [
+      {
+        "name": "next"
+      }
+    ],
+    "paths": {
+      "@/*": ["./*"]
+    }
+  },
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
+  "exclude": ["node_modules"]
+}