No audit yet. Cron should POST JSON to /api/core/admin/audits (admin session) or INSERT directly into shared.daily_audits(audit_date, report). Expected report keys (all optional): user_errors: { total_24h, critical_24h, new_since_yesterday, top: [...] } tests: { passed, failed, skipped, total, duration_s, failing: [...] } antipatterns: { scanned_files, findings: [{file, line, rule, note}] } codebase: { python_loc, html_loc, css_loc, todo_count, fixme_count } notes: free-form string