feat(auto-annotation): integrate YOLO auto-labeling and enhance data management (#223)

* feat(auto-annotation): initial setup

* chore: remove package-lock.json

* chore: 清理本地测试脚本与 Maven 设置

* chore: change package-lock.json

runtime/ops/__init__.py

@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+"""Datamate built-in operators package.
+
+This package contains built-in operators for filtering, slicing, annotation, etc.
+It is mounted into the runtime container under ``datamate.ops`` so that
+``from datamate.ops.annotation...`` imports work correctly.
+"""
+
+__all__ = [
+    "annotation",
+    "filter",
+    "formatter",
+    "llms",
+    "mapper",
+    "slicer",
+    "user",
+]