fix: replace missing utils.extract_item_id with inline implementation

Use urlparse to extract item_id from source_url, matching the implementation in convert.py

Author: wietzesuijker

scripts/register.py

@@ -10,6 +10,7 @@
 import tempfile
 import time
 from pathlib import Path
+from urllib.parse import urlparse
 
 import httpx
 from augment_stac_item import augment
@@ -23,7 +24,6 @@
 from pystac import Item
 from register_stac import register_item
 from tenacity import retry, retry_if_exception_type, stop_after_attempt, wait_exponential
-from utils import extract_item_id
 
 
 def check_item_exists(stac_api_url: str, collection: str, item_id: str) -> bool:
@@ -79,7 +79,7 @@ def run_registration(
         RegistrationError: If registration fails after retries
     """
     # Set up contextual logging
-    item_id = extract_item_id(source_url)
+    item_id = urlparse(source_url).path.rstrip("/").split("/")[-1]
     context = ContextLogger(logging.getLogger("pipeline.register"), {"item_id": item_id})
 
     context.info("=" * 78)