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The user-facing half (rule 27). Per-container log viewer + admin controls, so container logs are something the operator can actually touch. Viewer (plugins/docker): - /container/<host>/<name>/logs full page + /logs/lines HTMX fragment polled every 5s (near-live follow); stream filter (all/stdout/stderr) + case-insensitive text search; newest-first so the latest lines survive the poll's scroll reset; empty/loading states; a "View logs" link from the container detail page. Jinja auto-escapes log content (no markup injection). Settings (Thresholds & Retention tab): - global on/off toggle, comma-separated exclude list, retention days + max MB per container — DB-backed, no restart. The toggle + exclude are enforced authoritatively at ingest (_persist_logs drops disabled/excluded lines), since the push model has no channel to tell an agent to stop. Tests: route-defined smoke; template-parse covers the new templates; integration test for the ingest-time toggle + exclude enforcement. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01CAGR73DUowdVFVvYzLXC5C