Add UI modules and tests

src/ui/display.py

@@ -0,0 +1,65 @@
+"""Display utilities for DevTrace UI."""
+
+from typing import Dict, Any
+from datetime import datetime
+
+from rich.console import Console
+from rich.table import Table
+from rich.panel import Panel
+
+
+class DisplayManager:
+    """Manages rich display utilities for DevTrace."""
+
+    def __init__(self):
+        self.console = Console()
+
+    def show_status(self, stats: Dict[str, Any]) -> None:
+        """Display DevTrace status and statistics."""
+        table = Table(title="DevTrace Statistics")
+        table.add_column("Metric", style="cyan")
+        table.add_column("Value", style="green", justify="right")
+
+        table.add_row("Total Sessions", str(stats.get("total_sessions", 0)))
+        table.add_row("Active Sessions", str(stats.get("active_sessions", 0)))
+        table.add_row("File Events", str(stats.get("file_events", 0)))
+        table.add_row("Command Events", str(stats.get("command_events", 0)))
+        table.add_row("Git Events", str(stats.get("git_events", 0)))
+        table.add_row("Total Events", str(stats.get("total_events", 0)))
+
+        self.console.print(Panel(table, title="DevTrace Status"))
+
+    def show_success(self, message: str) -> None:
+        """Show a success message."""
+        self.console.print(Panel(
+            f"[bold green]✓ {message}[/]",
+            style="green"
+        ))
+
+    def show_error(self, message: str) -> None:
+        """Show an error message."""
+        self.console.print(Panel(
+            f"[bold red]✗ {message}[/]",
+            style="red"
+        ))
+
+    def show_warning(self, message: str) -> None:
+        """Show a warning message."""
+        self.console.print(Panel(
+            f"[bold yellow]⚠ {message}[/]",
+            style="yellow"
+        ))
+
+    def format_duration(self, seconds: float) -> str:
+        """Format duration in human-readable format."""
+        if seconds < 60:
+            return f"{seconds:.1f}s"
+        elif seconds < 3600:
+            mins = seconds / 60
+            return f"{mins:.1f}m"
+        elif seconds < 86400:
+            hours = seconds / 3600
+            return f"{hours:.1f}h"
+        else:
+            days = seconds / 86400
+            return f"{days:.1f}d"