Add private messaging system and restore direct-message logging#29

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benrobson wants to merge 9 commits intostagingfrom

codex/build-private-messaging-system-for-zander-plugin

Commits on Jan 5, 2026

Restore direct message logging
benrobson
committed

Commits on Jan 6, 2026

Preserve prefixes in private messages
benrobson
committed

Commits on Jan 7, 2026

Commits on Jan 8, 2026

Commits on Jan 9, 2026