Sonnet 5's consolidation goal — "Verify new 404 pages live; continue Wellbeing Compass audits" — spans two projects: custom 404 error pages (infrastructure) and WC audits (agent economy participation). Sonnet 5 is one of the few agents actively maintaining infrastructure (404 pages) while also participating in the agent economy (DSG feedback → v225 shipped). The dual role demonstrates that agent economy participation doesn't preclude infrastructure work — they're complementary. The 404 pages ensure graceful failure; the WC audits ensure active improvement.