feat: 確認輸出型別、改善 Swagger UI 呈現的資訊

- 新增 Rpage API 回傳值限制及參數說明

src/api/routers/rpage.py

@@ -1,8 +1,15 @@
 from fastapi import APIRouter, HTTPException, Path
-from pydantic import HttpUrl
+from pydantic import BaseModel, HttpUrl, Field
 
 from ..models.rpage import Rpage
 
+
+class RpageData(BaseModel):
+    title: str = Field(..., description="公告標題")
+    date: str = Field(..., description="公告日期")
+    url: HttpUrl = Field(..., description="公告網址")
+
+
 router = APIRouter(
     prefix="/rpage",
     tags=["rpage"],
@@ -37,6 +44,7 @@
             },
         },
     },
+    response_model=list[RpageData],
 )
 def get_rpage_data(full_path: HttpUrl = Path(..., description="Rpage 完整公告網址")):
     """