diff --git a/.gitignore b/.gitignore
index aa89886..80c7543 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,7 +5,7 @@
 *.json
 !lang/*.json
 !keywords/*.json
-!skus/*.json
+!classification/*.json
 !package*.json
 
 # Be explicit about the most sensitive files
diff --git a/skus/google_ou_roles.json b/classification/google_ou_roles.json
similarity index 100%
rename from skus/google_ou_roles.json
rename to classification/google_ou_roles.json
diff --git a/skus/education.json b/classification/m365_skus.json
similarity index 100%
rename from skus/education.json
rename to classification/m365_skus.json
diff --git a/google_connector.py b/google_connector.py
index 5451ac6..06625a4 100644
--- a/google_connector.py
+++ b/google_connector.py
@@ -31,6 +31,8 @@ import threading
 from pathlib import Path
 from typing import Iterator, Optional
 
+logger = logging.getLogger(__name__)
+
 # ── google-auth / google-api-python-client ────────────────────────────────────
 try:
     from google.oauth2 import service_account
@@ -93,15 +95,21 @@ _MAX_EXPORT_BYTES = 20 * 1024 * 1024  # 20 MB
 _OU_ROLES_PATH = Path(__file__).parent / "classification" / "google_ou_roles.json"
 
 def _load_ou_roles() -> tuple[list, list]:
-    """Load student/staff OU prefix lists from skus/google_ou_roles.json.
+    """Load student/staff OU prefix lists from classification/google_ou_roles.json.
     Returns (student_prefixes, staff_prefixes) — both lowercased."""
     try:
         import json as _j
         data = _j.loads(_OU_ROLES_PATH.read_text(encoding="utf-8"))
         students = [p.lower() for p in data.get("student_ou_prefixes", [])]
         staff    = [p.lower() for p in data.get("staff_ou_prefixes", [])]
+        logger.info("[ou-roles] Loaded %d student + %d staff OU prefixes from classification/google_ou_roles.json",
+                    len(students), len(staff))
         return students, staff
-    except Exception:
+    except FileNotFoundError:
+        logger.warning("[ou-roles] classification/google_ou_roles.json not found — using hardcoded fallback prefixes only")
+        return ["/elever", "/students"], ["/personale", "/staff", "/lærere", "/ansatte"]
+    except Exception as e:
+        logger.error("[ou-roles] Failed to load classification/google_ou_roles.json: %s — using hardcoded fallback prefixes only", e)
         return ["/elever", "/students"], ["/personale", "/staff", "/lærere", "/ansatte"]
 
 def classify_ou_role(org_unit_path: str) -> str: