Pull title, description and tags from an F95zone thread

Admin/uploader pastes a thread link and presses "Подтянуть" on the new
game and edit forms; the backend reads the public first post (no login).

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

backend/app/routers/metadata.py

@@ -0,0 +1,29 @@
+from fastapi import APIRouter, HTTPException, status
+from pydantic import BaseModel
+from starlette.concurrency import run_in_threadpool
+
+from app import f95
+from app.deps import CurrentUser, has_perm
+
+router = APIRouter(prefix="/api/metadata", tags=["metadata"])
+
+
+class F95In(BaseModel):
+    url: str
+
+
+class MetaOut(BaseModel):
+    url: str
+    title: str
+    description: str
+    tags: list[str]
+
+
+@router.post("/f95", response_model=MetaOut)
+async def from_f95(body: F95In, user: CurrentUser) -> dict:
+    if not (has_perm(user, "games.upload") or has_perm(user, "games.edit")):
+        raise HTTPException(status.HTTP_403_FORBIDDEN, "Нет прав")
+    try:
+        return await run_in_threadpool(f95.load, body.url)
+    except f95.F95Error as e:
+        raise HTTPException(status.HTTP_422_UNPROCESSABLE_ENTITY, str(e))