refactor: system类命令

pkg/qqbot/cmds/system/reload.py

@@ -0,0 +1,23 @@
+from ..mgr import AbstractCommandNode, Context
+import threading
+
+@AbstractCommandNode.register(
+    parent=None,
+    name="reload",
+    description="执行热重载",
+    usage="!reload",
+    aliases=[],
+    privilege=2
+)
+class ReloadCommand(AbstractCommandNode):
+    @classmethod
+    def process(cls, ctx: Context) -> tuple[bool, list]:
+        reply = []
+
+        import pkg.utils.reloader
+        def reload_task():
+            pkg.utils.reloader.reload_all()
+
+        threading.Thread(target=reload_task, daemon=True).start()
+
+        return True, reply