Fix wrong variable.

Add zone validation

src/helpers.py

@@ -1,5 +1,6 @@
 import logging
 import subprocess
+import dns.zone
 
 from pathlib import Path
 from datetime import datetime, UTC
@@ -62,8 +63,6 @@ def extract_domain_from_path(path: str) -> str|None:
     name = Path(path).name
     name_no_ext = name.rstrip(".zone")
 
-    candidates = set()
-
     if DOMAIN_FRAGMENT_RE.search(name_no_ext):
         found = DOMAIN_FRAGMENT_RE.findall(name_no_ext)
         for f in found:
@@ -71,6 +70,15 @@ def extract_domain_from_path(path: str) -> str|None:
 
     return None
 
+def validate_zone(zone_name, content) -> bool:
+    try:
+        dns.zone.from_text(content, zone_name, relativize=False)
+        logging.info(f"Zone {zone_name} parsed successfully")
+        return True
+    except Exception as e:
+        logging.error(f"Parse failed for zone {zone_name}")
+        return False
+
 def export_single_zone(trigger_path: str) -> list[Path]:
     logging.info(f"Starting export of single zone for trigger path {trigger_path})")
     ensure_git_repo()
@@ -88,7 +96,7 @@ def export_single_zone(trigger_path: str) -> list[Path]:
             if zone_name == domain:
                 logging.info(f"Single matching zone found: {zone_name}")
                 try:
-                    content = export_zone(zone)
+                    content = export_zone(zone_name)
                     out = write_zone_export(zone_name, content)
                     commit_and_push([out], trigger_path)
                     return [out]
@@ -118,7 +126,7 @@ def export_all_zones(trigger_path: str ="filesystem-change") -> list[Path]:
         # zone may be a dict with keys like 'id' and 'domain' — adapt to your API result shape
         zone_name = z.get("name")
         try:
-            content = export_zone(z)
+            content = export_zone(zone_name)
             out = write_zone_export(zone_name, content)
             written_files.append(out)
         except Exception as e: