feat: 初始提交

backend/app/repositories/prompt_repository.py

@@ -0,0 +1,19 @@
+from typing import Iterable, Optional
+
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from .base import BaseRepository
+from ..models import Prompt
+
+
+class PromptRepository(BaseRepository[Prompt]):
+    model = Prompt
+
+    async def get_by_name(self, name: str) -> Optional[Prompt]:
+        result = await self.session.execute(select(Prompt).where(Prompt.name == name))
+        return result.scalars().first()
+
+    async def list_all(self) -> Iterable[Prompt]:
+        result = await self.session.execute(select(Prompt).order_by(Prompt.name))
+        return result.scalars().all()