Initial commit: Azure DevOps TUI client

A terminal-based user interface for browsing and managing Azure DevOps
work items. Features include:

- Browse work items with filtering by area, iteration, state, and type
- View work item details with markdown rendering
- Open work items in browser
- Create git branches from work items
- Update work item state
- Keyboard-driven navigation

🤖 Generated with [Claude Code](https://claude.ai/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

internal/models/area.go

@@ -0,0 +1,25 @@
+package models
+
+import "strings"
+
+// Area represents an Azure DevOps area
+type Area struct {
+	ID   int    `json:"id"`
+	Name string `json:"name"`
+	Path string `json:"path"`
+}
+
+// DisplayName returns a shortened display name
+func (a Area) DisplayName() string {
+	parts := strings.Split(a.Path, "\\")
+	if len(parts) > 1 {
+		// Return the last part for brevity
+		return parts[len(parts)-1]
+	}
+	return a.Name
+}
+
+// FullPath returns the full path
+func (a Area) FullPath() string {
+	return a.Path
+}