Deterministically decide whether a deadline/event is past or future relative to the real current instant. The mandated computation path for `rules/temporal-awareness.md` — call it before any "already passed", "still time to act", or upcoming/just-happened framing instead of eyeballing the clock.

Search messages.db for past chat history by keyword and/or sender username. Use when the user references past messages, after context compaction, after a session nuke, or anywhere `rules/context-recovery.md` requires checking the message history before claiming lost context.