air: support deleting reviews

Due to various bugs I have to occasionally "clean" bad reviews out from
the DB. Add CLI support for this.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: kuba-moo

air-submit.py

@@ -173,6 +173,35 @@ def get_review_status(url: str, token: Optional[str], review_id: str,
         sys.exit(1)
 
 
+def delete_review(url: str, token: str, review_id: str) -> bool:
+    """Delete a review (superuser only)
+
+    Args:
+        url: AIR service URL
+        token: API token (must be superuser)
+        review_id: Review ID to delete
+
+    Returns:
+        True if successful
+    """
+    api_url = f"{url}/api/review"
+    params = {
+        'id': review_id,
+        'token': token,
+    }
+
+    try:
+        response = requests.delete(api_url, params=params, timeout=30)
+        response.raise_for_status()
+        return response.json().get('success', False)
+    except requests.exceptions.RequestException as e:
+        print(f"Error deleting review: {e}", file=sys.stderr)
+        sys.exit(1)
+    except json.JSONDecodeError as e:
+        print(f"Error parsing response: {e}", file=sys.stderr)
+        sys.exit(1)
+
+
 def format_status_line(status: dict) -> str:
     """Format one-line status summary with color
 
@@ -300,6 +329,8 @@ def main():
                        help='Git commit hash or range (e.g., abc123 or abc123..def456)')
     parser.add_argument('--review-id', metavar='ID',
                        help='Existing review ID to check (skip submission)')
+    parser.add_argument('--delete', action='store_true',
+                       help='Delete the specified review (requires --review-id and superuser token)')
     parser.add_argument('patches', nargs='*', metavar='PATCH_FILE',
                        help='Patch files to submit')
 
@@ -333,6 +364,22 @@ def main():
 
     args.url = args.url.rstrip('/')
 
+    # Handle --delete operation
+    if args.delete:
+        if not args.review_id:
+            parser.error('--delete requires --review-id')
+        if not args.token:
+            parser.error('--delete requires --token (must be superuser)')
+
+        print(f"Deleting review {args.review_id}...")
+        success = delete_review(args.url, args.token, args.review_id)
+        if success:
+            print(colorize(f"Review {args.review_id} deleted successfully", Colors.GREEN))
+        else:
+            print(colorize("Failed to delete review", Colors.RED), file=sys.stderr)
+            sys.exit(1)
+        return
+
     # Validate arguments
     if args.review_id:
         review_id = args.review_id