Canonical ~/dev/.context/AGENT.md drifted (Python fallback stack table row, Python error-handling convention) without a hyperguild commit re-running task context:sync since — task check's drift gate has been failing CI on every push since the sprint-1 commits landed, blocking CD entirely (unrelated to those commits' own content: lint/test/vet all pass clean, including -race). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Roq1ajWKR5f1hG5Df9wC6A