Eight in-flight commits targeting v0.41.0 (Track A money integrity,
Track B reconciliation tests, Track C API response typing across
auth/snowball/subscriptions/spending/bank-ledger, Track D 500
handler code:'INTERNAL_ERROR') are not yet pushed. Documenting them
in the manual so it stays current with the code that will land next.
Section updates:
- Header: keep package version 0.40.0, note v0.41.0 is the in-flight
target; 'Last Updated' 2026-07-05.
- Notable changes: 4 new bullets summarizing Track A/B/C/D.
- API client (7): list Track C response typing and Track D error shape
with cross-references to the sections where each is detailed.
- Domain types (7): expand to include User, SnowballProjection,
SnowballSettings, Subscription*, Spending*, BankLedger*, CategoryGroup,
CopyBudgetsResponse. Note single-consumer non-money casts left in
place as a deliberate Track C stop.
- Auth state (7): User moved to @/types, re-exported from useAuth.
- client/lib/ (7): add paymentActions.ts (createPaymentOrConfirm).
- Response conventions (5): add 'INTERNAL_ERROR' for 500s; note
409 DUPLICATE_SUSPECTED on POST /payments.
- Payments (5.5): Track A notes — transactional balance mutations,
409 allow_duplicate flag, 409 DUPLICATE_SUSPECTED response shape,
new tests/paymentsRoute.test.js and tests/reconciliation.test.js.
- Verification checklist (11): list 8 unpushed Track commits with
one-line summaries and 19-file diff stat (813+/415-).
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