Fix recipe list display and handle missing uploaded_at

- Show full Recipe ID instead of truncated
- Display friendly name with version hash when available
- Make uploaded_at optional to avoid KeyError
- Improve recipe list format with one recipe per block

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

artdag.py

@@ -1654,13 +1654,19 @@ def list_recipes(limit, offset):
     end = offset + len(recipes)
     click.echo(f"Showing {start}-{end}" + (" (more available)" if has_more else ""))
     click.echo()
-    click.echo(f"{'Name':<20}  {'Version':<8}  {'Variables':<10}  {'Recipe ID':<24}")
-    click.echo("-" * 70)
 
     for recipe in recipes:
-        recipe_id = recipe["recipe_id"][:20] + "..."
+        recipe_id = recipe["recipe_id"]
         var_count = len(recipe.get("variable_inputs", []))
-        click.echo(f"{recipe['name']:<20}  {recipe['version']:<8}  {var_count:<10}  {recipe_id}")
+        friendly_name = recipe.get("friendly_name", "")
+
+        click.echo(f"Name: {recipe['name']}")
+        click.echo(f"  Version: {recipe.get('version', 'N/A')}")
+        if friendly_name:
+            click.echo(f"  Friendly Name: {friendly_name}")
+        click.echo(f"  Variables: {var_count}")
+        click.echo(f"  Recipe ID: {recipe_id}")
+        click.echo()
 
 
 @cli.command("recipe")
@@ -1684,11 +1690,14 @@ def show_recipe(recipe_id):
         click.echo(f"Failed to get recipe: {e}", err=True)
         sys.exit(1)
 
-    click.echo(f"Name: {recipe['name']}")
-    click.echo(f"Version: {recipe['version']}")
+    click.echo(f"Name: {recipe.get('name', 'Unnamed')}")
+    click.echo(f"Version: {recipe.get('version', 'N/A')}")
+    if recipe.get("friendly_name"):
+        click.echo(f"Friendly Name: {recipe['friendly_name']}")
     click.echo(f"Description: {recipe.get('description', 'N/A')}")
     click.echo(f"Recipe ID: {recipe['recipe_id']}")
     click.echo(f"Owner: {recipe.get('owner', 'N/A')}")
+    if recipe.get("uploaded_at"):
         click.echo(f"Uploaded: {recipe['uploaded_at']}")
 
     if recipe.get("variable_inputs"):