feat(backend): policy rules show what they inherit, files of a chat or folder go to trash in one batch, trash list is paged

backend/src/api/routers/policy.py

@@ -5,13 +5,15 @@ from dishka.integrations.fastapi import DishkaRoute, FromDishka
 from fastapi import APIRouter, HTTPException, Query
 from pydantic import BaseModel
 
-from utils.policy import repository
+from utils.policy import overview, repository
 from utils.policy.models import (
     CaptureToggles,
     ChatKind,
     ChatMeta,
     PolicyCreate,
     PolicyRecord,
+    PolicyRuleView,
+    PolicyScopeView,
 )
 from utils.policy.resolver import resolve
 
@@ -50,6 +52,32 @@ async def effective_policy(
     return resolve(chat, folders, policies)
 
 
+@router.get("/overview")
+async def policy_overview(
+    pool: FromDishka[asyncpg.Pool], account_id: Annotated[int, Query()]
+) -> list[PolicyRuleView]:
+    return await overview.list_rules(pool, account_id)
+
+
+@router.get("/scope")
+async def policy_scope(
+    pool: FromDishka[asyncpg.Pool],
+    account_id: Annotated[int, Query()],
+    chat_id: Annotated[int | None, Query()] = None,
+    folder_id: Annotated[int | None, Query()] = None,
+) -> PolicyScopeView:
+    if chat_id is not None:
+        return await overview.chat_scope(pool, account_id, chat_id)
+    scope = (
+        await overview.folder_scope(pool, account_id, folder_id)
+        if folder_id is not None
+        else None
+    )
+    if scope is None:
+        raise HTTPException(status_code=404, detail="scope not found")
+    return scope
+
+
 @router.post("", status_code=201)
 async def create_policy(
     pool: FromDishka[asyncpg.Pool], body: PolicyCreate