Continues the incremental server TS migration (after utils/*.mts and
paymentValidation.cts): converts 10 services to .cts (CommonJS TypeScript,
run natively via Node type-stripping — no build step), type-checked by
tsconfig.server.json.
Migrated: totpService, amountSuggestionService, encryptionService,
paymentAccountingService, statusService, aprService, driftService,
analyticsService, spendingService, billMerchantRuleService.
- types/db.d.ts: shared minimal better-sqlite3 Db/Statement types (the lib
ships none), reused across the migrated modules.
- Every require of a migrated service updated to the explicit .cts extension
(extensionless require does not resolve .cts) across routes / services /
db migrations / server.js / workers / tests — require-only changes.
- package.json: check:server find pattern now includes *.cts (it silently
skipped .cts before, so paymentValidation.cts had no node --check gate).
Behavior-preserving (types only). Verified: typecheck:server 0,
check:server 0, full server suite 226/226, real boot → /api/health 200.
Co-Authored-By: Claude Opus 4.8 <[email protected]>
Pins that Tracker, Analytics, Bills, and Summary agree on a month's
expected/paid totals — the 'same number, different truth' bug class
(QA-B5/B9). Hand-seeds an off-month annual bill, an occurring quarterly
bill, and monthly bills w/ full+partial payments; asserts in integer
cents that Analytics.expected / Bills-gated-sum / Summary.expense_total
all == Tracker.total_expected, Analytics.actual == Tracker.total_paid,
and the off-month annual inflates no surface. All reconcile today; the
harness makes future gating drift fail loudly. Suite 193 green.
Co-Authored-By: Claude Opus 4.8 <[email protected]>
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