human hand off bug

backend/app/routers/emails.py

@@ -21,6 +21,8 @@ from app.schemas import (
     MessageReadState,
     MessageStarState,
     MessageSummary,
+    parse_api_datetime,
+    utc_iso,
     utc_now,
 )
 from app.services.domain_provisioning import get_domain_by_name
@@ -72,7 +74,7 @@ def address(value: str, name: str | None = None) -> dict[str, str]:
 
 def encode_cursor(entry: dict) -> str:
     value = json.dumps(
-        {"created_at": entry["created_at"].isoformat(), "id": str(entry["_id"])},
+        {"created_at": utc_iso(entry["created_at"]), "id": str(entry["_id"])},
         separators=(",", ":"),
     )
     return base64.urlsafe_b64encode(value.encode()).decode().rstrip("=")
@@ -82,7 +84,7 @@ def decode_cursor(value: str) -> tuple[datetime, ObjectId]:
     try:
         padded = value + "=" * (-len(value) % 4)
         payload = json.loads(base64.urlsafe_b64decode(padded).decode())
-        return datetime.fromisoformat(payload["created_at"]), ObjectId(payload["id"])
+        return parse_api_datetime(payload["created_at"]), ObjectId(payload["id"])
     except (ValueError, TypeError, KeyError, json.JSONDecodeError) as error:
         raise HTTPException(
             status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,