feat: 增强日历功能并集成 AgentScope 代理服务

backend/src/core/agentscope/events/sse.py

@@ -0,0 +1,29 @@
+from __future__ import annotations
+
+import json
+import re
+from typing import Any
+
+from ag_ui.core.events import BaseEvent
+from ag_ui.encoder.encoder import EventEncoder
+
+_EVENT_TYPE_RE = re.compile(r"^[A-Z0-9_]+$")
+_ENCODER = EventEncoder()
+
+
+def to_sse_event(stream_id: str, event: dict[str, Any]) -> str:
+    safe_stream_id = str(stream_id).replace("\r", "").replace("\n", "")
+    try:
+        event_model = BaseEvent.model_validate(event)
+        event_type = event_model.type.value
+        encoded_data = _ENCODER.encode(event_model)
+        return f"id: {safe_stream_id}\nevent: {event_type}\n{encoded_data}"
+    except Exception:  # noqa: BLE001
+        raw_event_type = (
+            str(event.get("type", "MESSAGE")).replace("\r", "").replace("\n", "")
+        )
+        event_type = (
+            raw_event_type if _EVENT_TYPE_RE.fullmatch(raw_event_type) else "MESSAGE"
+        )
+        payload = json.dumps(event, ensure_ascii=True, separators=(",", ":"))
+        return f"id: {safe_stream_id}\nevent: {event_type}\ndata: {payload}\n\n"