doc: 补全部分注释

pkg/provider/requester/apis/chatcmpl.py

@@ -18,6 +18,8 @@ from ...tools import entities as tools_entities
 
 
 class OpenAIChatCompletion(api.LLMAPIRequester):
+    """OpenAI ChatCompletion API 请求器"""
+
     client: openai.AsyncClient
 
     async def initialize(self):

pkg/provider/requester/modelmgr.py

@@ -9,6 +9,7 @@ from .tokenizers import tiktoken
 
 
 class ModelManager:
+    """模型管理器"""
 
     ap: app.Application
 

pkg/provider/requester/token.py

@@ -6,6 +6,8 @@ import pydantic
 
 
 class TokenManager():
+    """鉴权 Token 管理器
+    """
 
     provider: str
 

pkg/provider/requester/tokenizer.py

@@ -9,6 +9,7 @@ from . import entities
 
 
 class LLMTokenizer(metaclass=abc.ABCMeta):
+    """LLM分词器抽象类"""
 
     ap: app.Application
 

pkg/provider/requester/tokenizers/tiktoken.py

@@ -8,6 +8,8 @@ from .. import entities
 
 
 class Tiktoken(tokenizer.LLMTokenizer):
+    """TikToken分词器
+    """
 
     async def count_token(
         self,