refactor: 重构 Agent 模块为 AgentScope，删除旧版 CrewAI/LiteLLM 实现

backend/src/v1/schedule_items/schemas.py

@@ -1,9 +1,9 @@
 from __future__ import annotations
 
+import json
 from datetime import datetime
 from enum import Enum
-from typing import Literal
-from typing import ClassVar
+from typing import Literal, ClassVar, Union
 from uuid import UUID
 
 from pydantic import BaseModel, ConfigDict, EmailStr, Field
@@ -76,6 +76,7 @@ class ScheduleItemResponse(BaseModel):
     model_config: ClassVar[ConfigDict] = ConfigDict(from_attributes=True)
 
     id: UUID
+    owner_id: UUID
     title: str
     description: str | None = None
     start_at: datetime
@@ -86,6 +87,8 @@ class ScheduleItemResponse(BaseModel):
     source_type: ScheduleItemSourceType
     created_at: datetime
     updated_at: datetime
+    permission: int = 1
+    is_owner: bool = False
 
 
 class ScheduleItemListItem(BaseModel):
@@ -131,3 +134,50 @@ class ScheduleItemShareRequest(BaseModel):
 
 class ScheduleItemShareResponse(BaseModel):
     message: str
+
+
+class CalendarInviteContent(BaseModel):
+    model_config: ClassVar[ConfigDict] = ConfigDict(extra="forbid")
+
+    type: Literal["invite"]
+    permission: int = Field(..., description="权限: 1=view, 4=edit, 8=invite")
+    action: Literal["pending"] = "pending"
+
+
+class CalendarUpdateContent(BaseModel):
+    model_config: ClassVar[ConfigDict] = ConfigDict(extra="forbid")
+
+    type: Literal["update"]
+    title: str = Field(..., description="事件标题")
+    action: Literal["updated"] = "updated"
+
+
+class CalendarDeleteContent(BaseModel):
+    model_config: ClassVar[ConfigDict] = ConfigDict(extra="forbid")
+
+    type: Literal["delete"]
+    title: str = Field(..., description="事件标题")
+    action: Literal["deleted"] = "deleted"
+
+
+CalendarContent = Union[
+    CalendarInviteContent, CalendarUpdateContent, CalendarDeleteContent
+]
+
+
+def parse_calendar_content(content: str | None) -> CalendarContent | None:
+    if not content:
+        return None
+    try:
+        data = json.loads(content)
+        content_type = data.get("type")
+        if content_type == "invite":
+            return CalendarInviteContent(**data)
+        elif content_type == "update":
+            return CalendarUpdateContent(**data)
+        elif content_type == "delete":
+            return CalendarDeleteContent(**data)
+        else:
+            raise ValueError(f"Unknown calendar content type: {content_type}")
+    except Exception:
+        return None