Initial commit: Agile Project Manager

- Complete React + TypeScript application with Vite
- Dashboard with charts and metrics visualization
- Kanban board with drag-and-drop functionality
- Product backlog management with user stories
- Sprint planning and tracking features
- Comprehensive UI component library (shadcn/ui)
- Tailwind CSS styling with dark mode support
- Context-based state management
- Mock data for immediate testing and demonstration

components/EditTaskDialog.tsx

@@ -0,0 +1,104 @@
+import React, { useState, useEffect } from 'react';
+import { Dialog, DialogContent, DialogHeader, DialogTitle } from './ui/dialog';
+import { Button } from './ui/button';
+import { Input } from './ui/input';
+import { Textarea } from './ui/textarea';
+import { Label } from './ui/label';
+import { useApp } from '../contexts/AppContext';
+import { Task } from '../types';
+import { Trash2 } from 'lucide-react';
+
+interface EditTaskDialogProps {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  task: Task | null;
+}
+
+export const EditTaskDialog: React.FC<EditTaskDialogProps> = ({
+  open,
+  onOpenChange,
+  task
+}) => {
+  const { updateTask, deleteTask } = useApp();
+  const [title, setTitle] = useState('');
+  const [description, setDescription] = useState('');
+  const [timeComplexity, setTimeComplexity] = useState('');
+
+  useEffect(() => {
+    if (task) {
+      setTitle(task.title);
+      setDescription(task.description);
+      setTimeComplexity(task.timeComplexity);
+    }
+  }, [task]);
+
+  const handleSave = () => {
+    if (task && title.trim()) {
+      updateTask(task.id, {
+        title,
+        description,
+        timeComplexity
+      });
+      onOpenChange(false);
+    }
+  };
+
+  const handleDelete = () => {
+    if (task && confirm('Are you sure you want to delete this task?')) {
+      deleteTask(task.id);
+      onOpenChange(false);
+    }
+  };
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent className="sm:max-w-[500px]">
+        <DialogHeader>
+          <DialogTitle>Edit Task</DialogTitle>
+        </DialogHeader>
+        <div className="space-y-4 py-4">
+          <div className="space-y-2">
+            <Label htmlFor="edit-title">Task Title</Label>
+            <Input
+              id="edit-title"
+              value={title}
+              onChange={(e) => setTitle(e.target.value)}
+              placeholder="Enter task title"
+            />
+          </div>
+          <div className="space-y-2">
+            <Label htmlFor="edit-description">Task Description</Label>
+            <Textarea
+              id="edit-description"
+              value={description}
+              onChange={(e) => setDescription(e.target.value)}
+              placeholder="Enter task description"
+              rows={4}
+            />
+          </div>
+          <div className="space-y-2">
+            <Label htmlFor="edit-complexity">Time Complexity</Label>
+            <Input
+              id="edit-complexity"
+              value={timeComplexity}
+              onChange={(e) => setTimeComplexity(e.target.value)}
+              placeholder="e.g., 4 hours, 2 days"
+            />
+          </div>
+        </div>
+        <div className="flex justify-between">
+          <Button variant="destructive" onClick={handleDelete}>
+            <Trash2 className="mr-2 h-4 w-4" />
+            Delete
+          </Button>
+          <div className="flex gap-2">
+            <Button variant="outline" onClick={() => onOpenChange(false)}>
+              Cancel
+            </Button>
+            <Button onClick={handleSave}>Save</Button>
+          </div>
+        </div>
+      </DialogContent>
+    </Dialog>
+  );
+};