📝 文档新增插件通信部分内容

liteyuki/session/message/segments.py

@@ -0,0 +1,15 @@
+from typing import Any
+from pydantic import BaseModel
+
+
+class BaseSeg(BaseModel):
+    type: str = "Segment"
+    data: dict[str, Any]
+
+
+class Text(BaseSeg):
+    content: str
+
+
+class Image(BaseSeg):
+    url: str