- env.ts: added 10 missing Zod-validated env vars (imager, paypal currency, argon2/bcrypt params) - Migrated 6 modules from process.env to validated env.* (auth, proxy-auth, paypal, password, redis, imager, moderation, alert, logger) - Replaced console.warn/error with pino logger in 9 server-side modules - Removed 50+ dead exports (SWF wrappers, coalesceHotelName, signIn, isStaff re-export, formatTimestamp, Skeleton/SkeletonCard, 4 unused housekeeping sections) - Consolidated date formatting: 28 files migrated to shared formatDate() from @/lib/format-date - Wired 4 radio/settings API routes through cached siteSettings service instead of raw Prisma queries - Added getMany()/getAll() helpers to SiteSettings service - Removed 88 dead Prisma model definitions (schema 2763→1846 lines) - Created admin action-helper.ts with wrapAction() for standardized error handling - Fixed useEffect dependency arrays in 4 data-heavy components - Replaced raw btn CSS classes with shadcn Button component across admin pages - Stripped dead i18n namespaces (common, pages.client) from all 22 translation files - Removed 2 dead scripts (create-release.sh, check-local-imports.ts) - Fixed knip.json configuration - Added 7 new test suites: format-date, paypal, moderation, alert, webhook, action-helper, and fixed password.test.ts for env mocking - All 358 tests passing across 72 test files - TypeScript: 0 errors