The analysis half of the weekly coding retrospection. retro/build.py: windowed
detect+measure -> top-3 improvement suggestions per repo (cross-flavor first,
recommendations pulled from the Pattern Catalog) + fleet snapshot. retro/publish.py:
publishes the report to the hub as the coding_retro read model (event_type=
coding_retro progress event) + local JSON/md, graceful degrade. retro entrypoint
with --window-days/--publish/--json. Live verify over real sessions surfaced
per-repo suggestions with catalog recommendations. 13 new tests; suite 152/152.
Consumed by activity-core ACTIVITY-WP-0008 (Weekly Coding Retrospection, Sat 19:00).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
