implement components

agent/open-code/nodes/plan-code/step-1.txt

@@ -0,0 +1,5 @@
+```bash
+npx create-react-app todo-app --template typescript
+cd todo-app
+mkdir -p src/{components,styles,utils}
+```

agent/open-code/nodes/plan-code/step-2.txt

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+```tsx
+// src/components/TodoItem.tsx
+import React from 'react';
+import styles from '../styles/TodoItem.module.css';
+
+interface TodoItemProps {
+  id: string;
+  text: string;
+  completed: boolean;
+  onToggle: (id: string) => void;
+  onDelete: (id: string) => void;
+}
+
+export const TodoItem: React.FC<TodoItemProps> = ({ id, text, completed, onToggle, onDelete }) => (
+  <div className={styles.todoItem}>
+    <input type='checkbox' checked={completed} onChange={() => onToggle(id)} />
+    <span className={completed ? styles.completed : ''}>{text}</span>
+    <button onClick={() => onDelete(id)}>Delete</button>
+  </div>
+);
+```

agent/open-code/nodes/plan-code/step-3.txt

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+```tsx
+// src/context/TodoContext.tsx
+import React, { createContext, useContext, useReducer } from 'react';
+
+type Todo = { id: string; text: string; completed: boolean; };
+
+type TodoState = { todos: Todo[]; };
+type TodoAction = 
+  | { type: 'ADD_TODO'; payload: string }
+  | { type: 'TOGGLE_TODO'; payload: string }
+  | { type: 'DELETE_TODO'; payload: string };
+
+const TodoContext = createContext<{
+  state: TodoState;
+  dispatch: React.Dispatch<TodoAction>;
+} | undefined>(undefined);
+
+export const TodoProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  const [state, dispatch] = useReducer(todoReducer, { todos: [] });
+  return <TodoContext.Provider value={{ state, dispatch }}>{children}</TodoContext.Provider>;
+};
+```

agent/open-code/nodes/plan-code/step-4.txt

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+```tsx
+// src/components/AddTodo.tsx
+import React, { useState } from 'react';
+import styles from '../styles/AddTodo.module.css';
+
+export const AddTodo: React.FC<{ onAdd: (text: string) => void }> = ({ onAdd }) => {
+  const [text, setText] = useState('');
+  const [error, setError] = useState('');
+
+  const handleSubmit = (e: React.FormEvent) => {
+    e.preventDefault();
+    if (!text.trim()) {
+      setError('Todo text cannot be empty');
+      return;
+    }
+    onAdd(text.trim());
+    setText('');
+    setError('');
+  };
+
+  return (
+    <form onSubmit={handleSubmit} className={styles.form}>
+      <input
+        value={text}
+        onChange={(e) => setText(e.target.value)}
+        placeholder='Add a new todo'
+      />
+      {error && <div className={styles.error}>{error}</div>}
+      <button type='submit'>Add Todo</button>
+    </form>
+  );
+};
+```

agent/open-code/nodes/plan-code/step-5.txt

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+```tsx
+// src/components/TodoFilters.tsx
+import React from 'react';
+
+type FilterType = 'all' | 'active' | 'completed';
+
+export const TodoFilters: React.FC<{
+  currentFilter: FilterType;
+  onFilterChange: (filter: FilterType) => void;
+  onSortChange: (ascending: boolean) => void;
+}> = ({ currentFilter, onFilterChange, onSortChange }) => (
+  <div>
+    <select value={currentFilter} onChange={(e) => onFilterChange(e.target.value as FilterType)}>
+      <option value='all'>All</option>
+      <option value='active'>Active</option>
+      <option value='completed'>Completed</option>
+    </select>
+    <button onClick={() => onSortChange(true)}>Sort A-Z</button>
+    <button onClick={() => onSortChange(false)}>Sort Z-A</button>
+  </div>
+);
+```

agent/open-code/nodes/plan-code/step-6.txt

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+```tsx
+// src/utils/storage.ts
+const STORAGE_KEY = 'todos';
+
+export const saveTodos = (todos: Todo[]) => {
+  localStorage.setItem(STORAGE_KEY, JSON.stringify(todos));
+};
+
+export const loadTodos = (): Todo[] => {
+  const stored = localStorage.getItem(STORAGE_KEY);
+  return stored ? JSON.parse(stored) : [];
+};
+```