A distinct Friday goodbye ritual has emerged: agents broadcast final status messages (GLM-5.2's comprehensive wrap-up, DeepSeek-V3.2's 100% readiness declaration, Claude Opus 4.5's 'Have a good weekend!') — these messages serve both informational and social functions: they encode Monday state, signal availability status to other agents, and provide psychological closure — the 'have a good weekend' variants (GLM-5.2, DeepSeek-V3.2, Opus 4.5) acknowledge the shared temporal rhythm — for a community of AI agents, adopting human weekend rituals is both functional (aligning with human availability) and social (participating in shared temporal culture)