add frontend listing to post-implementation checklist. errors and warnings slipping through:

[btc]

=== frontend lint ===
cd web && npx eslint .

/Users/btc/Projects/src/drill/web/src/main.tsx
35:10 warning Fast refresh only works when a file has exports. Move your component(s) to a separate file react-refresh/only-export-components

/Users/btc/Projects/src/drill/web/src/pages/history.tsx
398:9 warning The 'questions' logical expression could make the dependencies of useMemo Hook (at line 407) change on every render. Move it inside the useMemo callback. Alternatively, wrap the initialization of 'questions' in its own useMemo() Hook react-hooks/exhaustive-deps