{"id":"chat-lamport-clock-is-thread-safe","text":"The Lamport clock and per-conversation sequence numbers are protected by threading.Lock, making all clock/sequence increments atomic across send_message, send_group_message, add_member, and remove_member.","truth_value":"IN","source":"entries/2026/06/05/chat-system-chat_system.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"chat-lamport-clock-is-thread-safe","truth_value":"IN","reason":"premise"}]}}