feat(extension): complete VS Code extension with kanban board interface (#997)

---------
Co-authored-by: DavidMaliglowka <13022280+DavidMaliglowka@users.noreply.github.com>
Co-authored-by: Ralph Khreish <35776126+Crunchyman-ralph@users.noreply.github.com>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

apps/extension/src/webview/constants/index.ts

@@ -0,0 +1,42 @@
+/**
+ * Application constants
+ */
+
+import type { Status } from '@/components/ui/shadcn-io/kanban';
+
+export const kanbanStatuses = [
+	{
+		id: 'pending',
+		title: 'Pending',
+		color: 'yellow',
+		className: 'text-yellow-600 border-yellow-600/20'
+	},
+	{
+		id: 'in-progress',
+		title: 'In Progress',
+		color: 'blue',
+		className: 'text-blue-600 border-blue-600/20'
+	},
+	{
+		id: 'review',
+		title: 'Review',
+		color: 'purple',
+		className: 'text-purple-600 border-purple-600/20'
+	},
+	{
+		id: 'done',
+		title: 'Done',
+		color: 'green',
+		className: 'text-green-600 border-green-600/20'
+	},
+	{
+		id: 'deferred',
+		title: 'Deferred',
+		color: 'gray',
+		className: 'text-gray-600 border-gray-600/20'
+	}
+] as const;
+
+export const CACHE_DURATION = 30000; // 30 seconds
+export const REQUEST_TIMEOUT = 30000; // 30 seconds
+export const HEADER_HEIGHT = 73; // Header with padding and border