Status: IN
`remove_hints_for()` purges all hints for a recovered target node regardless of whether individual hints were successfully delivered or had expired; after `trigger_handoff`, no hints for that node remain on any other node.
Source: entries/2026/05/29/hinted-handoff-hinted_handoff.md
def remove_hints_for(self, target_node_id):
self.hints = [h for h in self.hints
if h.target_node_id != target_node_id]