# Changelog

## Score

- CAI 62 → 48 (-13.5)
- Rubric changed (rubric-2026.08.18 → rubric-2026.08.15) — scores are not directly comparable.

## Lenses

- Code Health 90 → 97 (+7.5)
- Architecture 100 → 96 (-4.4)
- Maturity 46 → 50 (+4.3)
- Readiness 63 → 26 (-37.6)
- Security 80 → 80 (+0.0)

## Resolved (17)

- Coverage not included — suite not readable by the collector
- Dependency hygiene not measured — dependency manifest found but not parsed for hygiene
- HomeController.explain (cognitive 29) (app/controllers/pg_hero/home_controller.rb)
- HomeController.explain (cyclomatic 19) (app/controllers/pg_hero/home_controller.rb)
- HomeController.index (cognitive 18) (app/controllers/pg_hero/home_controller.rb)
- HomeController.queries (cognitive 29) (app/controllers/pg_hero/home_controller.rb)
- HomeController.queries (cyclomatic 18) (app/controllers/pg_hero/home_controller.rb)
- HomeController.show_query (cognitive 17) (app/controllers/pg_hero/home_controller.rb)
- Hotspot: app/controllers/pg_hero/home_controller.rb (app/controllers/pg_hero/home_controller.rb)
- Hotspot: lib/pghero/methods/suggested_indexes.rb (lib/pghero/methods/suggested_indexes.rb)
- Off-boarding risk: anonymized user #1
- SuggestedIndexes.best_index_helper (cognitive 55) (lib/pghero/methods/suggested_indexes.rb)
- SuggestedIndexes.best_index_helper (cyclomatic 17) (lib/pghero/methods/suggested_indexes.rb)
- SuggestedIndexes.best_index_structure (cognitive 24) (lib/pghero/methods/suggested_indexes.rb)
- SuggestedIndexes.best_index_structure (cyclomatic 18) (lib/pghero/methods/suggested_indexes.rb)
- SuggestedIndexes.suggested_indexes_by_query (cognitive 22) (lib/pghero/methods/suggested_indexes.rb)
- TooManyMethods: HomeController (app/controllers/pg_hero/home_controller.rb)

## New (3)

- Coverage not measured — test suite did not build
- Dimension evaluation failed
- No tests found

## Changes since last survey

- 12 commits — 11 feature/other, 1 fixes

## By area

- (root) — 4 commits
- lib/generators — 3 commits
- app/controllers — 1 commit
- guides/Docker.md — 1 commit
- guides/Rails.md — 1 commit
- lib/pghero.rb — 1 commit
- test/internal — 1 commit

## Notable commits

- fix: Revert "Added vacuum to upgrade migration [skip ci]"
- change: Added vacuum to upgrade migration [skip ci]
- change: Dropped support for Ruby API [skip ci]
- change: Improved hash format logic [skip ci]
- change: Removed unneeded column [skip ci]
- change: Removed unused method [skip ci]
- change: Updated changelog [skip ci]
- change: Updated docs [skip ci]
- change: Updated docs [skip ci]
- change: Updated docs [skip ci]
- change: Updated style [skip ci]
- change: Version bump to 4.0.0 [skip ci]

## Architecture

- Containers 0 added · 0 removed · contexts 0 added · 1 removed · edges 0 added · 0 removed

## Removed bounded contexts (1)

- pghero