add action chain

src/utils/id_generator.py

@@ -0,0 +1,20 @@
+"""
+简化的ID生成器，替代UUID4
+"""
+
+import random
+import string
+
+
+def base62_id(length: int = 8) -> str:
+    """
+    生成base62编码的短ID（数字+大小写字母）
+    默认8位，比UUID4的36位短很多
+    """
+    charset = string.ascii_letters + string.digits  # 0-9, a-z, A-Z (62个字符)
+    return ''.join(random.choices(charset, k=length))
+
+
+def get_avatar_id() -> str:
+    """获取Avatar ID的默认函数"""
+    return base62_id(8)