Messaging infrastructureiMessage backends

macOS relay

Send through Messages.app and ingest chat.db changes on a real Mac host.

macOS relay — contract and behavior

  • Send uses AppleScript against Messages.app while receive tails chat.db incrementally using ROWID and WAL/FSEvents behavior.
  • Schema inspection handles macOS version drift before reading the chat table.
  • The host needs a signed-in Messages account, Full Disk Access for chat.db, and Automation permission for Messages.app.
  • The relay is production-ready for its supported surface but cannot provide private IMCore-only actions by itself.

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