chore: satisfy upstream lint (black, mypy, prettier, ruff)

- black/prettier reformatting across new aio code
- type annotations on db.fetchone/fetchall callsites in crud.py
- explicit dict[str, list[str]] for tag_lists in nostr_sync.py
- type:ignore[attr-defined] on Account.prvkey access — the field is
  added by the aio-fork lnbits.core.models.Account; upstream lnbits
  does not yet have it, so consumers without the fork must add a
  prvkey column to accounts before the Nostr publisher can sign.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

nostr_hooks.py

@@ -29,11 +29,15 @@ async def publish_or_delete_nostr_event(event: Event, *, delete: bool = False) -
         if not wallet_obj:
             return
         account = await get_account(wallet_obj.user)
-        if not account or not account.pubkey or not account.prvkey:
+        if not account or not account.pubkey or not account.prvkey:  # type: ignore[attr-defined]
             return
 
         nostr_event = await publish_event_to_nostr(
-            nostr_client, event, account.pubkey, account.prvkey, delete=delete
+            nostr_client,
+            event,
+            account.pubkey,
+            account.prvkey,  # type: ignore[attr-defined]
+            delete=delete,
         )
         if nostr_event and not delete:
             event.nostr_event_id = nostr_event.id