feat: 不再预先计算前文token数而是在报错时提醒用户重置

pkg/provider/modelmgr/token.py

@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+import typing
+
+import pydantic
+
+
+class TokenManager():
+    """鉴权 Token 管理器
+    """
+
+    provider: str
+
+    tokens: list[str]
+
+    using_token_index: typing.Optional[int] = 0
+
+    def __init__(self, provider: str, tokens: list[str]):
+        self.provider = provider
+        self.tokens = tokens
+        self.using_token_index = 0
+
+    def get_token(self) -> str:
+        return self.tokens[self.using_token_index]
+    
+    def next_token(self):
+        self.using_token_index = (self.using_token_index + 1) % len(self.tokens)