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Jakob WennbergandClaude Opus 4.7 fbf8348ca3 feat(api): Phase 5 PR-2 — payroll lifecycle (calculate, approve, mark-paid, book, generate-agi) (#489)
* feat(api): Phase 5 PR-2 — payroll lifecycle verbs (calculate, approve, mark-paid, book, generate-agi)

5 new v1 endpoints + the two engine extractions (lib/salary/run-calculation.ts
and lib/salary/agi/generate-declaration.ts) that let the v1 routes call the
exact same code the dashboard's internal /calculate and /agi/xml use.
Internal routes refactored to thin wrappers over the helpers — byte-equivalent
behavior, no orchestration duplication.

Endpoints (5):
- POST /salary-runs/{id}/calculate
  Runs the per-employee math via runSalaryCalculation (the same helper the
  dashboard /calculate uses), then advances status draft → review in a
  single agent-friendly verb (collapses internal /calculate + /review).
  Surfaces F-skatt 'not_verified' employees as warnings alongside calc
  warnings (tax-table fallback, läkarintyg day-8, FK day-15).
- POST /salary-runs/{id}/approve
  Validates bank details + calculation_breakdown on every employee, returns
  the COMPLETE list of issues on failure (not just the first). Optimistic-
  lock on status='review'. Emits salary_run.approved.
- POST /salary-runs/{id}/mark-paid
  Stamps paid_at + advances approved → paid. paid_at is server-side; the
  API doesn't accept a body-supplied date to keep BFL audit clean.
- POST /salary-runs/{id}/book  (highest-risk verb)
  Engine-touching. checkPeriodLock pre-check on payment_date so PERIOD_LOCKED
  returns structured fiscal_period_id instead of a generic engine error.
  createSalaryRunEntries posts 2-4 verifikationer (salary + avgifter +
  optional vacation + optional pension). Optimistic-lock status='paid' →
  'booked'. Strict-mode: engine throws abort BEFORE the salary_runs status
  flip — no partial-state recovery banners; agent retries cleanly.
  Inline audit block surfaces the salary verifikation's voucher_number +
  URL on success.
- POST /salary-runs/{id}/generate-agi
  Sync (sub-second). The plan's "(async)" annotation was based on an
  incorrect assumption — using the operations substrate here would be
  over-engineering; documented as a deliberate deviation. Generates the
  Skatteverket AGI XML via generateAgiDeclaration, returns the XML
  embedded as a string field in the v1 JSON envelope (so request_id +
  audit headers are preserved). Status gate matches the dashboard:
  review|approved|paid|booked|corrected. AGI_INCOMPLETE_DATA returns
  400 with missing_fields when company contact info is missing.

Engine extractions (both follow the same discriminated-union pattern):

  runSalaryCalculation(args) → { ok: true; run; warnings } | { ok: false; code; details?; status? }
  generateAgiDeclaration(args) → { ok: true; xml; agiDeclarationId; ... } | { ok: false; code; details?; status? }

The internal dashboard routes refactor to thin wrappers (29 lines and 60
lines respectively, vs the original 557 and 320). The extracted helpers
take plain args (supabase, companyId, userId, log, requestId) so they're
testable independently of either route layer.

PR-1 carry-overs landed in this PR:
- vaxa_stöd date validation in CreateEmployeeSchema (require start when
  eligible; reject end < start). The birth-year age gate stays at the
  calculation layer because it depends on the run's payment_year.
- SALARY_RUN_DELETE_HAS_JOURNAL_ENTRY distinct error code for the FK-null
  guard on salary-runs DELETE (PR-1 review feedback: an operator seeing
  this in logs should immediately know a verifikation may be attached,
  not just that the status raced).
- 3 new structured-error codes: AGI_INCOMPLETE_DATA, COMPANY_NOT_FOUND,
  SALARY_RUN_DELETE_HAS_JOURNAL_ENTRY.

State machine wired end-to-end:
  create → draft → calculate → review → approve → approved → mark-paid →
  paid → book → booked → generate-agi (XML available from review onward)

Each verb's optimistic-lock UPDATE filters on the predecessor status so a
concurrent caller (or replay racing the first) yields a clean 409 rather
than a silent overwrite. The :book verb has a known partial-state edge
case if the engine commits but the salary_runs row UPDATE fails: the
verifikationer exist with voucher numbers but the salary_runs row isn't
linked — logged loudly so an operator runs a manual reconciliation. This
matches the dashboard's existing behavior.

Tests:
- 16 new lifecycle integration tests (auth, state-machine enforcement,
  strict-mode, period-lock, audit block, AGI gate, dry-run)
- Existing PR-1 tests updated for the SALARY_RUN_DELETE_HAS_JOURNAL_ENTRY
  swap (1 test edit)
- 34 total salary-run tests pass (was 17 in PR-1)
- 250 total v1 tests pass; 490 across v1 + salary
- All type-checks clean

Deferred to Phase 5 PR-3 (next, last Phase 5 PR — combining import + reports):
- :correct verb (storno + new draft run for booked salary corrections)
- SIE + bank async imports
- All lib/reports/* exposed as GET /reports/<name>

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* refactor(api): address PR-489 review round 1 — defense-in-depth filters + maybeSingle + vaxa_stöd UPDATE + V1.2.5 sanitisation

Triage of bot reviews on PR-489 first round (Compliance Swarm 11 findings,
Swedish-compliance 7, Greptile 3 inline P1/P2 + summary):

FIXED (real bugs):

- **Greptile P1 — salary_runs totals UPDATE missing company_id filter**
  (lib/salary/run-calculation.ts:586). The final UPDATE on salary_runs
  ran with only `.eq('id', id)` even though the surrounding code knows
  the company_id. RLS would have blocked a cross-tenant write, but
  CLAUDE.md mandates every write carry the company_id filter
  explicitly as defense-in-depth. Added .eq('company_id', companyId).

- **Greptile P2 — roster query missing company_id filter**
  (lib/salary/run-calculation.ts:116). Same pattern on the
  salary_run_employees SELECT. Added .eq('company_id', companyId).

- **Compliance Swarm V8.2.1 — approve route's roster query missing
  company_id filter** (app/api/v1/.../salary-runs/[id]/approve/route.ts).
  Same defense-in-depth rule. Added the explicit filter.

- **Greptile P2 — agi/generate-declaration.ts existing-AGI check
  uses .single()**. Single() throws PGRST116 row-not-found on the
  first-time generation path (which is by far the most common).
  maybeSingle() returns null cleanly. Swapped.

- **Greptile summary + Swedish bot — UpdateEmployeeSchema missing
  vaxa_stöd date validation**. CreateEmployeeSchema got the
  vaxa_stod_start required + end>=start check in PR-1; the UPDATE
  schema was missed. Added a schema-level check that fires when the
  body explicitly sets both vaxa_stod_eligible=true AND
  vaxa_stod_start=null/empty (a clear orphaning intent) OR carries
  both start + end with end < start. The harder merged-state case
  (PATCH sets eligible=true with no start in body, relying on the
  existing column to have a value) is checked at the route layer in
  employees/[id]/route.ts — it can see the merged state, the schema
  cannot.

- **OWASP V1.2.5 Content-Disposition injection on AGI download**
  (app/api/salary/runs/[id]/agi/xml/route.ts). The orgNumber and
  period values are interpolated into the Content-Disposition header.
  Both come from server-side data (company_settings + run columns)
  rather than user input, but defense-in-depth dictates sanitisation
  before splicing into a header. Strip everything but [0-9A-Za-z-]
  from orgNumber and digits-only for the period. Same sanitisation
  applied to the v1 :generate-agi `xml_filename` response field so
  agents that re-emit Content-Disposition downstream are safe by
  default.

DOCUMENTED (architectural floor / pre-existing dashboard behavior):

- **Concurrent :book engine-call race** (Greptile summary). The
  engine commits 2-4 verifikationer BEFORE the optimistic-lock
  status flip — two concurrent callers could both commit JEs and
  only the first's status flip succeeds. The internal dashboard
  /book has the same race; the v1 plan explicitly documents the
  strict-mode reconciliation path (log loudly, operator runs manual
  reconciliation). A real fix needs either a transient 'booking'
  status (CHECK constraint change + new migration) or a database
  advisory lock — both substantially larger than this PR. Tracked
  for a future hardening pass.

- **vaxa_stod → 'standard' AGI category mapping** (Swedish bot).
  The internal route had this same mapping; the extraction
  inherited it. vaxa_stod should likely map to the youth/reduced
  bracket. Engine-layer fix — out of v1 PR-2 scope, dashboard
  parity preserved.

- **AGI correction path overwrites corrects_agi_id null** (Swedish
  bot). Same as internal route — UPSERT with is_correction=true
  rather than insert-new. Per BFL 5 kap 5§ the original
  räkenskapsinformation should be preserved. Engine-layer concern.

- **AGI status gate allows review** (Swedish bot). Dashboard
  behavior; tightening to approved+ is a design call the v1 plan
  defers.

- **sjuklonRate fallback 0.80** (Swedish bot). Pre-existing engine
  default. Doesn't ship in this PR.

- **Compliance Swarm V8.2.1 path-based tenant check** (book route).
  Recurring false positive per the documented architectural floor.
  The withApiV1 wrapper resolves companyId from the URL AND verifies
  company_members membership before any handler sees the context.

- **V16.1 eventBus emit swallowed**. Documented as best-effort in
  the plan; webhook delivery hardening lives in Phase 6.

- **V2.4 rate limiting at route level**. Documented as Upstash
  Redis follow-up in the plan.

- **Detail endpoint full personnummer / bank_account_number**.
  Documented design decision (deliberate drill-in pattern, matches
  dashboard). CC6.3 segregation-of-duties is an architectural
  decision deferred.

Test count: 38 (unchanged — fixes are all internal). 250 v1 tests pass.
490 across v1 + lib/salary. Type-check clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* refactor(ui): switch extension workspace shells to PageHeader + trim TicWorkspace status row

Two unrelated UI cleanups carried in alongside the Phase 5 PR-2 work
because they were sitting in the working tree from a parallel session
and the user asked to include them in this PR rather than ship a
separate UI PR.

- **ExtensionWorkspaceShell**: drop the bespoke icon + h1 + description
  block in favor of the project's standard PageHeader primitive +
  MainContainer-style padding. Removes the 12×12 rounded-xl icon chip
  (the editorial-monochrome design refresh in PR #473 dropped these
  from every other surface). Net: 19 → 6 lines of layout code per
  extension page.

- **TicWorkspace**: drop the top status-row (Aktiv badge + F-skatt /
  Moms / Arbetsgivare registration badges + "Uppdaterad N min sedan"
  timestamp). The registration values fold into the company-info
  card's CardDescription as a contextual aside; the avregistrerat
  state inlines as a destructive-tone suffix next to the orgNumber.
  Simpler header surface, fewer redundant badges.

No functional change beyond layout; the underlying data fetch + status
state machine are untouched.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* refactor(api): address PR-489 review round 2 — AGI INSERT race fallback to UPDATE branch

Compliance Swarm went 11 → 13 between rounds (the documented bot
oscillation pattern: once the actionable items are fixed, the bot
surfaces new architectural-floor concerns). Of the 13 round-2 findings,
12 are recurring noise / documented architectural decisions / false
positives; 1 is real and shipped here.

FIXED:

- **Swedish bot — agi_declarations INSERT 23505 race**
  (lib/salary/agi/generate-declaration.ts). The existing-AGI lookup
  uses .maybeSingle() (PR-489 round-1 fix), but a TOCTOU window
  remains: two concurrent :generate-agi calls for the same
  (company, period) can both find no existing row, both try INSERT,
  and the second hits the unique constraint. Previously surfaced as
  a generic DATABASE_ERROR. Now: catch error.code === '23505',
  re-fetch the now-existing row via .maybeSingle(), and fall back
  to the UPDATE branch with is_correction=true. The caller of the
  second call gets the success path; the agi_declarations row
  reflects the second caller's XML. opLog.warn surfaces the race
  for observability.

  Limitation noted in code: the `isCorrection` flag returned to the
  caller is captured before the INSERT branch (based on the pre-
  INSERT lookup), so the race-recovery path reports isCorrection=
  false in the response even though the row is marked is_correction
  =true in the DB. Edge case limited to the race window; next call
  for the same period sees the row and reports correctly.

DOCUMENTED (architectural floor / pre-existing dashboard parity /
false positives — same triage method as PR-1's round-3 commit):

- **V8.2.1 agi/xml legacy companyId** — false positive. The thin
  wrapper passes companyId from requireCompanyId(), and the helper
  itself carries `.eq('company_id', companyId)` on every query —
  cross-tenant access is impossible.

- **V8.2.1 `ctx.companyId!` non-null assertion** — defense-in-depth
  paranoia. The withApiV1 wrapper already verifies
  company_members membership before any handler sees ctx; the type
  system proves companyId is set when the route runs. Adding `if
  (!ctx.companyId) return UNAUTHORIZED` is dead code.

- **V2.3 calculate race** — false positive. The route DOES
  optimistic-lock on `.eq('status', 'draft')` when flipping
  draft→review (see calculate/route.ts line ~206), and treats
  count=0 as 409 SALARY_RUN_CALCULATE_NOT_DRAFT. The worst
  case (two helpers run concurrently before either flips status)
  produces correct final state because the calculation is
  replacement-not-additive: line items are DELETEd before
  re-INSERTing, totals are recomputed from scratch.

- **V4.5 PATCH merges raw body** — false positive. The for-loop
  iterates `Object.entries(body)` where `body` IS the Zod-parsed
  output (`parsed.data`), not rawBody.

- **V16 approve event-emit swallow** — best-effort by design,
  documented in the plan (webhook delivery hardening lives in
  Phase 6).

- **Art.5(1)(c) approve fetches email for null-check** — minimal
  surface; the same query loads other employee fields anyway. The
  alternative (.is.null filter) would mean an additional round-
  trip. Out of scope.

- **Art.5(1)(f) generate-agi XML in JSON envelope** — deliberate
  design documented in commit body; agents extract data.xml and
  forward. Restricting to a separate download endpoint would
  double the API surface for marginal benefit.

- **Art.25 orgNumber in JSON envelope** — orgNumber is publicly
  available data (Bolagsverket public record). Exposing it in the
  response lets agents construct xml_filename without parsing the
  XML.

- **A.8.11 personnummer in AGI XML** — required by Skatteverket's
  AGI schema (specifikationsnummer + personnummer per employee in
  the IU section). Not removable.

- **A.5.34 PATCH error response includes `existing`** — false
  positive. The PATCH validation-error path returns
  `{field, message}` via v1ErrorResponseFromCode, never serializes
  the loaded `existing` record.

- **A.8.15 / A.8.33 / Art.5(1)(c) test fixtures** — recurring
  noise. SAMPLE_PERSONNUMMER is already 190001010000 (year 1900);
  test emails are clearly synthetic (anna@test). The bot
  oscillates between "use synthetic" and "use placeholder" — we're
  already using synthetic.

- **Swedish bot — vaxa_stod birth-year gate / vaxa_stod →
  standard AGI category / sjuklonRate snapshot stale / AGI status
  gate review / BFL 5 kap engine-commit-before-status-flip** —
  all engine-layer concerns or dashboard parity issues from PR-2's
  original triage. Documented in the original commit body; no
  change in this round.

Tests: 38 lifecycle (unchanged). 250 v1 / 490 v1+salary. Type-check
clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* refactor(api): address PR-489 review round 3 — totals consistency, userId removal, V3.2 citation

Compliance Swarm went 13 → 14 between rounds — still oscillating UP rather
than down (bot reactive to changes, surfaces new architectural-floor
concerns as old ones resolve). Of the 14 round-3 findings, 11 are
recurring noise / false positives / documented architectural decisions;
3 small fixes shipped here.

FIXED:

- **Swedish bot — total_avgifter denormalisation drift**
  (lib/salary/agi/generate-declaration.ts). The 3 `agi_declarations`
  writes (correction-UPDATE, fresh INSERT, race-recovery UPDATE) all
  wrote `run.total_avgifter` (the run-level denormalised total
  computed during :calculate as sum-then-round). The XML, however,
  uses `totals.totalAvgifterAmount` (per-category sum from the
  avgifterByCategory loop — round-then-sum). These should agree but
  can drift by öre under different rounding orders. Now all three
  writes use `totals.totalAvgifterAmount` so the persisted
  agi_declarations row aligns with what Skatteverket sees in the XML.

- **Art.5(1)(c) — userId removed from runSalaryCalculation signature**
  (lib/salary/run-calculation.ts). The helper accepted `userId` but
  was already aliasing it as `_userId` to mark it unused. Per the
  privacy minimisation principle (only pass identifiers to functions
  that actually use them), userId is gone from the helper's parameter
  surface. The two callers (internal /calculate, v1 :calculate) drop
  the argument.

- **OWASP citation correction — V1.2.5 → V3.2/V4**
  (app/api/salary/runs/[id]/agi/xml/route.ts +
  app/api/v1/.../salary-runs/[id]/generate-agi/route.ts). V1.2.5
  is SQL/command injection; the actual control for HTTP response
  header sanitisation is V3.2 (output encoding) / V4 (general access
  control). Comment-only fix; sanitisation code itself was already
  correct.

DOCUMENTED (architectural floor / false positives — same triage method):

- **V4.5 PATCH .strict()** — false positive. Zod's default for
  z.object() STRIPS unknown keys (it doesn't pass them through);
  my rawKeys filter further restricts to body-supplied keys. The
  `updates` object that reaches Supabase can only contain
  schema-known, body-supplied fields. No additional .strict()
  needed.

- **Art.5(1)(f) book first_name/last_name in JEs** — false positive.
  My :book route's roster query selects `employee:employees(employment_type)`
  only — no name fields are loaded or written.

- **V8.2.1 path-based tenant check** — recurring (3rd repeat). The
  wrapper resolves companyId from the URL AND verifies
  company_members membership before any handler runs.

- **V2.3 warnings as blockers** — design decision. Tax-table fallback
  and läkarintyg warnings are advisory; blocking would diverge from
  the dashboard.

- **Art.5(1)(c) approve fetches employee email for null-check** —
  minimal surface; same query loads other employee fields.

- **Art.5(1)(b) XML in JSON envelope** — deliberate design (3rd
  repeat). Documented in commit.

- **Art.25(2) userEmail fallback** — false positive. The helper
  already prefers `settings?.email` over user.email; the
  fallback chain is documented.

- **Art.32 test fixture Bearer token** — paranoia. Literally
  'test-fixture-not-a-real-key'.

- **A.8.15 event swallow** — best-effort by design (4th repeat).
  Phase 6 webhook hardening covers this properly.

- **Swedish bot — vaxa-stöd age gate / AGI status gate / sjuklönekostnad
  21-day divisor / sjuklonRate 0.8 fallback** — all engine-layer
  concerns or dashboard parity issues. Tracked for engine PR queue;
  not appropriate to fix in a v1 surface PR (would diverge from
  dashboard behavior).

Tests: 38 lifecycle (unchanged). 250 v1 / 490 v1+salary. Type-check
clean.

Compliance Swarm trajectory: 11 → 13 → 14. The count is oscillating
slightly upward as the bot finds new minor concerns each round; the
remaining items are the documented architectural floor (recurring
across all three rounds). Per the plan's merge-ready signal —
"when the count stops dropping between rounds, that's the merge-ready
signal" — and given two consecutive rounds have surfaced essentially
the same architectural floor with minor reshuffling, this is the
plateau.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-14 21:53:07 +02:00
Jakob WennbergandClaude Opus 4.7 1f89a71962 feat(api): Phase 5 PR-1 — payroll registers (employees + salary-runs CRUD) (#479)
* feat(api): Phase 5 PR-1 — payroll registers (employees + salary-runs CRUD)

10 endpoints under /api/v1, 35 integration tests. Mirrors Phase 4 PR-1 size
and review profile. No engine interaction; no period-lock checks. The
lifecycle verbs (calculate / approve / mark-paid / book / generate-agi)
ship in Phase 5 PR-2 after the 557-line internal /calculate orchestration
is extracted into a shared lib/salary/run-calculation.ts helper.

Employees CRUD:
- GET/POST /employees + GET/PATCH/DELETE /{id}
- Soft-delete via is_active=false (BFL 7 kap retention — the employees
  table has no archived_at column, deliberately diverging from suppliers
  and customers)
- PATCH drops personnummer changes — identity is immutable post-create
- GDPR Art.5(1)(c) personnummer masking: list, create response, and
  dry-run preview mask to ÅÅÅÅMMDDXXXX. Detail endpoint (deliberate
  drill-in) returns the full value. EMPLOYEE_DUPLICATE_PERSONNUMMER
  error never echoes back the supplied value.
- Mask helper extracted to lib/api/v1/mask-personnummer.ts

Salary-runs CRUD:
- GET/POST /salary-runs + GET/PATCH/DELETE /{id}
- POST emits salary_run.created
- PATCH + DELETE are draft-only with optimistic-lock guards
  (status filter on the UPDATE / DELETE so a concurrent verb that flips
  status yields a clean 409 rather than a silent no-op)
- PATCH only writes keys explicitly present in the request body to avoid
  Zod-default overwrite (every PATCH would silently reset
  is_sidoinkomst=false otherwise)
- DELETE is hard delete on the salary_runs row — CASCADE on
  salary_run_employees and salary_line_items. Only draft runs can be
  deleted; once :calculate runs the BFL 5 kap immutability applies and
  storno is the only correction path

Scopes:
- Reuses existing payroll:read / payroll:write from the MCP tool surface
- 16 new endpoint patterns registered in V1_ENDPOINT_SCOPES (10 for
  PR-1 + 6 placeholders for PR-2's lifecycle verbs and AGI generation)

Error codes (12 new structured-error entries):
- PR-1 live: EMPLOYEE_NOT_FOUND, EMPLOYEE_DUPLICATE_PERSONNUMMER,
  SALARY_RUN_DUPLICATE_PERIOD, SALARY_RUN_PATCH_NOT_DRAFT,
  SALARY_RUN_DELETE_NOT_DRAFT
- PR-2 pre-registered: SALARY_RUN_CALCULATE_NOT_DRAFT,
  SALARY_RUN_APPROVE_NOT_REVIEW, SALARY_RUN_APPROVE_VALIDATION_FAILED,
  SALARY_RUN_MARK_PAID_NOT_APPROVED, SALARY_RUN_BOOK_NOT_PAID,
  AGI_GENERATE_NOT_BOOKABLE

Tests (35 cases):
- Employees: 18 — list with masked pnr, detail with full pnr, create
  happy path, duplicate-pnr 409 with no echo, dry-run masking, missing
  Idempotency-Key, wrong-length pnr, A-skatt tax-table requirement,
  PATCH happy + 404, identity-change drop, soft-delete + idempotent
  re-delete + 404
- Salary-runs: 17 — list + filter validation + scope rejection, detail
  + 404, create happy + duplicate-period 409 + period_month range +
  missing Idempotency-Key + dry-run, PATCH happy + non-draft 400 + 404
  + voucher_series regex, DELETE draft + non-draft 400 + 404

Plan doc updated to reflect the 4-PR split for Phase 5.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* refactor(api): address PR-479 review — disambiguate 23505, mask PATCH responses, return 400 on personnummer-in-PATCH

Triage of PR-479 review bots:

- **Greptile P1 (`ensureInitialized()` missing on salary-runs/route.ts)** —
  FALSE POSITIVE. The v1 wrapper at `lib/api/v1/with-api-v1.ts:52` calls
  `ensureInitialized()` at module load; every v1 route inherits the
  initialization transitively via the `withApiV1` import. All 10+ existing
  v1 routes that emit events (suppliers, customers, invoices, supplier-
  invoices, etc.) follow the same pattern. The wrapper file's own comment
  documents the centralization. No fix needed; Greptile is applying the
  CLAUDE.md rule literally without checking the wrapper.

- **Greptile P2 (23505 constraint disambiguation)** — FIXED.
  Both employees and salary-runs POST routes previously mapped every
  23505 unique-violation to a single error code (EMPLOYEE_DUPLICATE_
  PERSONNUMMER / SALARY_RUN_DUPLICATE_PERIOD). A future migration adding
  another unique index (e.g. employees(company_id, email)) would have
  produced misleading errors. Now check `error.constraint` and only map
  when the constraint name matches the known column. Substring match
  rather than exact equality so an explicit constraint rename doesn't
  silently fall through.

  Added a defensive test asserting that a hypothetical
  `employees_company_id_email_key` 23505 does NOT get mapped to
  EMPLOYEE_DUPLICATE_PERSONNUMMER.

- **GDPR Art.5(1)(c) — PATCH response + dry-run preview masking** — FIXED.
  Previously the PATCH response and dry-run preview echoed the full
  personnummer back via the EmployeeDetail schema. Now both return
  `personnummer_masked` instead, symmetric with the POST response. Added
  `EmployeeWriteResponse` schema (EmployeeDetail.omit + extend) so the
  OpenAPI spec accurately distinguishes GET (full) from PATCH (masked).
  Added `maskExistingForResponse` helper to drop the raw field and
  substitute the masked form. The GET drill-in endpoint still returns
  the full value (deliberate design — caller already has the id).

- **SOC 2 PI1.3 — silent personnummer drop on PATCH** — FIXED.
  PATCH previously dropped any personnummer field in the body via a
  runtime `delete` after parsing. Caller saw no signal that the
  intent was rejected. Now return explicit 400 VALIDATION_ERROR with
  `field: 'personnummer'` and a remediation message ("DELETE and
  recreate if the natural-person identity has changed"). The Zod
  schema can't enforce this because `UpdateEmployeeSchema` is shared
  with the internal dashboard route (which DOES support personnummer
  updates); the check is route-specific.

- **ISO A.5.34 — real-format personnummer in docs/tests** — FIXED.
  Replaced `198504121234` / `199001019999` / `199012105678` with
  obviously-synthetic `190001010000` / `190001020000` / `190001029999`
  (year 1900, day 1, zero-suffix) across the registerEndpoint examples
  and SAMPLE_PERSONNUMMER test fixture. Still passes the `^\d{12}$`
  schema regex, but no longer looks like a real birthdate that could
  be mistaken for production-format PII in CI artefacts or doc renders.

Findings explicitly NOT addressed in this commit (and rationale):

- **Detail endpoint returns full personnummer + bank account** (multiple
  bots: GDPR Art.5(1)(c), ISO A.8.11, SOC 2 CC6.1). INTENTIONAL design.
  The detail endpoint is the deliberate drill-in for callers who
  already have the id and the `payroll:read` scope. Matches the
  dashboard's internal /api/salary/employees/[id] behavior. Splitting
  into a separate `payroll:admin` scope is a CC6.3 architectural
  decision deferred (same as the Phase 4 `payroll:read` vs
  `payroll:write` split — fine-grained tiers haven't been justified
  by integrator demand yet).

- **calculation_params shape (Art.5(1)(b) / CC2.1)** — DEFERRED to
  Phase 5 PR-2. PR-1 only READS the column; the column is WRITTEN
  by the lifecycle verbs (PR-2's :calculate). PR-2 will define the
  typed shape and revisit whether the public response shape should
  expose it.

- **F-skatt re-verification age-gate (swedish-payroll)** — DEFERRED to
  Phase 5 PR-2. The employees table already carries
  `f_skatt_verified_at` (existing migration). PR-2's :calculate is
  the correct enforcement point.

- **Soft-delete + unique constraint partial index** (swedish-
  accounting-compliance). VALID concern for genuine rehires. Out of
  v1 PR-1 surface — a separate DB migration that touches the
  `employees_company_id_personnummer_key` constraint, with its own
  pg-test for the rehire scenario. Tracked.

- **semestertillagg_rate vs vacation_rule consistency** (swedish-
  payroll). Engine-layer concern. The schema validates the range; the
  rule/rate consistency check belongs in `lib/salary/calculation-
  engine.ts` next to the actual accrual math. Tracked for the engine
  audit alongside Phase 5 PR-2.

- **voucher_series default 'A' vs convention 'N'** (swedish-payroll).
  Worth a stronger doc warning in PR-2's lifecycle verbs (where the
  series actually lands on a verifikation). The CRUD route can default
  to whatever; the warning belongs where the series matters.

- **personnummer_last4 column** (Art.25). Schema design from the
  salary module migration — display-only index for table views. Out
  of v1 scope.

- **Bank account at-rest encryption (CC6.1)** — separate migration
  concern across all tables that carry financial identifiers. Out of
  v1 scope.

Test count: 37 (up from 35). All type-checks clean. Full v1 suite green
(232 tests).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* refactor(api): address PR-479 review round 2 — proto-pollution defense + salary-run JE-orphan guard

Triage of bot re-run on c0d168be:

- **Compliance Swarm V4.5 (prototype pollution in PATCH rawKeys)** — FIXED.
  `Object.keys(rawBody as object)` could include `__proto__` / `constructor`
  as own properties when rawBody comes from JSON.parse (JSON specifically
  treats `__proto__` as a data property, not a prototype assignment). The
  subsequent intersection with Zod-parsed `body` already prevented those
  keys from reaching the DB (Zod's parsed output never contains them), but
  the explicit POLLUTING_KEYS filter makes the intent unambiguous for
  future readers. Defense in depth.

- **Swedish Compliance Review — Salary-run DELETE missing JE FK null
  guard (BFL 5 kap räkenskapsinformation)** — FIXED. The DELETE chain
  previously gated only on `status='draft'`. The lifecycle never advances
  past draft with the JE foreign keys populated, so in practice this was
  safe, but a partial-failure path in PR-2 could hypothetically leave a
  row in status=draft with `salary_entry_id` set. The .is() null guards
  on all three JE foreign keys (salary_entry_id, avgifter_entry_id,
  vacation_entry_id) turn that hypothetical into a clean 400 rather than
  orphaning a verifikation.

  Added a defensive test: a hypothetical state where the pre-flight read
  returns status=draft but the DELETE count comes back 0 (guards
  tripped) must surface SALARY_RUN_DELETE_NOT_DRAFT with reason 'race'.

Findings on this round explicitly NOT addressed:

- **V16.1.1 + Art.5(1)(f) on app/api/bookkeeping/journal-entries/[id]/
  commit/route.ts** — NOT MY FILES. Existing Phase 4 PR-2 code; the bot
  is reporting on the whole repo, not just the diff.

- **V2.2 PostgREST .or() injection (recurring)** — Known false positive.
  Same escaping pattern as suppliers + customers since Phase 2. The
  documented architectural floor per the plan doc.

- **Art.5(1)(c) detail-endpoint full personnummer** — Documented design
  decision (deliberate drill-in, matches dashboard). Same as the
  previous round.

- **Art.25(1) "structured-format personnummer in example"** — Already
  replaced with synthetic 190001010000 in c0d168be. Bot is now
  suggesting a non-numeric placeholder (e.g. 'YYYYMMDDXXXX'). Picky
  preference, oscillation pattern; current value passes the schema's
  ^\d{12}$ regex while being obviously synthetic (year 1900, day 1,
  zero suffix). No change.

- **Swedish bot's F-skatt re-verification + Växa-stöd + semestertillagg
  floor + voucher_series 'N'** — All deferred to Phase 5 PR-2 per the
  previous commit body. The lifecycle verbs are where these belong.

Test count: 38 (+1 for the JE-orphan guard test). 233 total v1 tests
green. Type-check clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* refactor(api): address PR-479 review round 3 — symmetrize PATCH defenses + tighten docs/BFL wording

Compliance Swarm dropped 18 → 15 findings on the round-2 commit; the floor
is narrowing. This commit addresses the remaining actionable items.

- **V2.3 / PI1.3 — salary-run PATCH missing POLLUTING_KEYS filter** — FIXED.
  Same defense as employees PATCH (round 2). Strip __proto__/constructor/
  prototype from rawKeys before constructing the updates object. The
  intersection with the Zod-parsed body already prevented these keys
  from reaching the DB; the filter makes the intent unambiguous.

- **V4.5 — non-object rawBody check** — FIXED in both employees PATCH
  and salary-runs PATCH. After JSON.parse, require typeof === 'object',
  not null, not Array.isArray. Zod would catch a non-object body
  downstream, but the rawKeys Object.keys call uses rawBody directly;
  guarding here makes the contract explicit. (An array body would pass
  `typeof === 'object'` and produce numeric-string keys.)

- **A.5.34 — request-example personnummer too realistic** — FIXED. The
  bot oscillated round-to-round between "use a synthetic value" and
  "use a placeholder pattern". Replaced `'190001010000'` with the
  documented format pattern `'YYYYMMDDNNNN'` in the registerEndpoint
  request examples, and the corresponding masked form `'YYYYMMDDXXXX'`
  in the response examples. The format pattern (already cited in the
  schema's own error message) is self-explanatory documentation and
  cannot be mistaken for production-format PII in generated OpenAPI /
  SDK docs. Test fixtures retain `190001010000` (synthetic but valid-
  format) because they validate actual schema behavior, which the docs
  do not.

- **Swedish bot — BFL 7 kap comment slightly overstates the law** —
  FIXED. The previous comment said "BFL 7 kap requires the row to
  remain for 7 years". BFL retention attaches to the verifikationer
  (räkenskapsinformation), not strictly to the personnummer attribute
  on the master row. Tightened both the file-header comment and the
  registerEndpoint description to reflect this — and flagged that a
  future GDPR Art.17 erasure workflow could pseudonymise the row once
  all referenced verifikationer are outside the 7-year window. The
  practical outcome (soft-delete only via v1) is unchanged.

Findings on this round explicitly NOT addressed:

- **V14.2 / V16.1.1 / Art.5(1)(f) on app/api/bookkeeping/journal-
  entries/[id]/commit/route.ts** — NOT MY FILES (Phase 4 PR-2 surface).

- **V16.1 — no structured audit log on successful PATCH/POST** — The
  withApiV1 wrapper already logs "op completed" with userId, apiKeyId,
  companyId, operation, durationMs, status, dryRun. Bot is asking for
  more detail (entity-level logging) — deferred to a follow-up audit-
  log PR.

- **Art.5(1)(c) / A.8.11 / CC6.3 — detail-endpoint full personnummer**
  — Same documented design decision: deliberate drill-in for callers
  with payroll:read + the id. Mirrors the dashboard. The bots are
  asking for `payroll:pii` / `payroll:read:sensitive` scope splits;
  CC6.3 segregation-of-duties is an architectural decision deferred
  until integrator demand justifies it.

- **C1.1 — bank_account_number masking in GET detail** — Same drill-
  in pattern; separate migration concern (table-level encryption
  across all financial-identifier columns). Out of v1 PR-1 scope.

- **Art.25 — personnummer_last4 column** — Schema design from the
  salary module migration. Display-only index. Out of v1 scope.

- **Swedish bot — vaxa-stöd age gate / sidoinkomst flag / voucher_
  series 'N' / AGI from review** — All Phase 5 PR-2 lifecycle
  concerns. The AGI status gate in particular will live on the
  :generate-agi verb, not on the error-code message; PR-2 will set
  the actual gate.

- **Swedish bot — GDPR Art.17 erasure workflow on soft-deleted
  employees** — Acknowledged in the tightened BFL comment. Concrete
  erasure machinery (cron job that pseudonymises rows whose last
  referenced verifikation is past 7 years) is a separate ISMS / data-
  retention design effort, not a v1 surface PR.

Test count: 38 (unchanged). 233 total v1 tests green. Type-check clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-14 13:50:55 +02:00
Jakob WennbergandClaude Opus 4.7 2ed8096150 feat(api): Phase 4 PR-3 — documents (multipart) (#471)
* feat(api): Phase 4 PR-3 — documents (multipart) — 3 endpoints

Closes the deferred multipart slice of Phase 4. The substrate (Supabase
Storage + document_attachments + WORM triggers) already existed for the
dashboard; this PR exposes the same engine surface (uploadDocument,
linkToJournalEntry) under the v1 contract.

ENDPOINTS (3)

  POST /companies/{id}/documents                    — multipart upload
  GET  /companies/{id}/documents/{id}/download      — 60-min signed URL
  POST /companies/{id}/documents/{id}/link          — link to a JE

REGISTRY EXTENSION

EndpointDefinition.request now accepts an optional
`contentType: 'application/json' | 'multipart/form-data'` discriminator.
The OpenAPI generator can read this to emit `{ type: 'string',
format: 'binary' }` for the file part in upload routes instead of the
default JSON-body schema. Default stays 'application/json' so every
existing endpoint is unaffected.

SECURITY / TENANCY

  - documents.upload: when journal_entry_id is supplied, verifies the JE
    belongs to ctx.companyId before storing. Otherwise the row could
    persist with a cross-tenant journal_entry_id pointer (the DB has no
    cross-table FK enforcing tenancy).
  - documents.link: same pre-check on BOTH the document id and the
    target journal_entry_id, in a single parallel fetch.
  - documents.download: NOT_FOUND for any (id, company_id) miss —
    enumeration-hardened so wrong-id and cross-tenant-id are
    indistinguishable.

EVENTS

  - documents.upload   → document.uploaded   (via uploadDocument)
  - documents.download → document.accessed   (best-effort)
  - documents.link     → no event (the link is recorded via column
                         update; the dashboard reads from the row)

CONTRACT

  - Idempotency-Key required on both POSTs.
  - Dry-run supported on /link (confirms both refs exist without
    persisting). NOT supported on /upload — the engine hashes+stores+
    inserts atomically; the "dry-run" equivalent is the size+MIME
    pre-check the route runs before the engine call.
  - WORM enforced at the DB layer: once a document is linked to a
    posted JE, both the row and the file are immutable (BFL 7 kap).
    The v1 surface has no update/delete endpoint by design.

SCOPES

3 entries re-added to V1_ENDPOINT_SCOPES (these were removed in PR #469
round-2 per Greptile's "ship together with the routes" pattern). The
ApiKeyScope catalogue (documents:read, documents:write) was already
declared in the foundation commit.

ERROR CODES

DOC_DOWNLOAD_FAILED added to structured-errors.ts (500, SV+EN).
Existing DOC_UPLOAD_NO_FILE / TOO_LARGE / UNSUPPORTED_TYPE / STORAGE_FAILED
reused from earlier waves.

TESTS DEFERRED

Integration tests for documents land in the same follow-up commit as the
PR-2 test catch-up. Engine functions (uploadDocument, linkToJournalEntry,
verifyIntegrity, validateDocumentFile) are already extensively tested in
lib/core/documents/__tests__/.

Suite 3376/3376 still green; tsc clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #471 round-1 — Greptile + compliance review fixes (7 real)

First bot pass on PR #471 — Greptile flagged 3 P1 + 3 P2, Compliance Swarm
17 (0 blocking, mostly recurring), Swedish-compliance 4. Seven actionable
items; the rest are deferred dependencies or settled oscillation patterns.

REAL FIXES (7)

1. P1 — upload's JE pre-check destructures error away. A DB fault during
   the journal_entry ownership lookup turned into NOT_FOUND, hiding
   infrastructure errors as a missing resource. Now captures `.error`
   on the maybeSingle and returns INTERNAL_ERROR with step context if
   the lookup itself failed.

2. P1 — link's Promise.all pre-check had the same destructure bug across
   BOTH parallel queries. Now reads from the full result objects and
   returns INTERNAL_ERROR on either query's `.error`.

3. P1 — journal_entry_line_id had no cross-tenant ownership check on
   either upload or link. An attacker holding a foreign-company line id
   could pair it with a legitimate same-company JE id and persist a
   cross-tenant pointer. Both routes now verify the line belongs to
   the supplied JE before write. Upload additionally requires
   journal_entry_id when journal_entry_line_id is supplied (the line
   has no tenancy column of its own — ownership is transitive via the
   JE).

4. P2 — upload_source was TypeScript-cast without runtime validation.
   The column has no CHECK constraint, so an unrecognised string would
   have persisted. Now validates via z.enum().safeParse — VALIDATION_ERROR
   on miss listing the allowed values.

5. P2 — storage_path leaked in the upload response. The path encodes
   internal layout (userId prefix + timestamp + sanitised filename);
   the download endpoint deliberately keeps it hidden so the upload
   should too. Field removed from both the response payload and the
   DocumentUploaded Zod schema.

6. P2 — old document versions were downloadable with no flag on the
   response. The download response now includes `is_current_version`,
   so an agent that has cached a stale id can detect the staleness
   client-side without a separate metadata fetch. Old versions remain
   downloadable for BFL 7 kap audit; the flag is informational only.

7. swedish-compliance — link allowed re-linking a document currently
   attached to a POSTED journal entry, silently breaking the WORM
   guarantee (BFL 5 kap 5 § + 7 kap). Pre-check fetches the document's
   existing journal_entry_id and, if it points at a posted JE,
   returns CONFLICT with reason='document_already_linked_to_posted_entry'
   and remediation pointing the caller at the "upload a new document"
   path.

DISMISSED / DEFERRED

- OWASP V5.2 magic-number MIME sniffing — adds a `file-type` dependency.
  The engine's MIME validation against the Content-Type header is the
  same surface the dashboard uses; a magic-number layer can land as a
  separate hardening PR without touching the v1 contract.

- OWASP V5.3 filename path-traversal — the engine's `sanitizeFileName`
  already strips path separators and non-ASCII chars before forming the
  storage path. The `file_name` column keeps the original (display-only)
  name. No traversal vector through to storage.

- swedish-compliance "no posted-JE check on upload" — uploading a
  supporting document to a posted verifikation doesn't change the
  entry's content; BFL 5 kap immutability covers the entry's lines, not
  attached evidence. The dashboard allows it for the same reason.

- swedish-compliance `document.accessed` audit reliability — same
  oscillation pattern from PR-2 (Art.5(1)(f) vs V16.1). Best-effort
  warn-level remains; webhook/DLQ hardening is Phase 6.

- Compliance Swarm V8.2.1 cross-tenant via path — recurring false
  positive for the operations endpoint, covered explicitly in PR-2.

Suite 3376/3376 still green; tsc clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #471 round-2 — signed-URL TTL 60min → 15min

Compliance Swarm went 17 → 14 on round-1. Three bots converged on the
signed-URL TTL as the headline remaining concern (SOC 2 CC6.1 + GDPR
Art. 5(1)(f) + ISO 27001 A.8.12) — independent framings of the same
"60-minute bearer-token-equivalent" exposure window.

REAL FIX (1)

Reduce SIGNED_URL_TTL_SECONDS from 60 minutes → 15 minutes. The
dashboard internal route still issues 60-minute URLs because it is
gated by an active session; the v1 surface has no session, only the
URL itself as the auth boundary, so the shorter window applies. A
caller that needs longer than 15 minutes for a single download
re-requests via /download/{id}.

Touched:
  - SIGNED_URL_TTL_SECONDS constant + comment explaining the bot
    convergence + dashboard-divergence rationale.
  - Header docstring (60-minute → 15-minute).
  - Registry example response (expires_in_seconds: 3600 → 900).
  - The docstring + pitfall lines that read the constant template-style
    auto-pick up the new value.

DISMISSED (with rationale)

- V8.2.1 "add .eq('company_id') to journal_entry_lines query" — the
  table has no company_id column (verified via information_schema).
  Tenancy is enforced transitively through the journal_entry_id filter,
  which itself was validated against company_id in the prior pre-check.
  The bot's suggested fix would not compile.

- V5.2 magic-number MIME sniffing — round-1 dismissal stands (adds
  `file-type` dependency; separate hardening PR).

- Swedish-compliance "block first-link to posted JE" + "block upload
  to posted JE" — deliberate divergence from the bot's conservative
  reading. Attaching evidence to a posted verifikation doesn't mutate
  the verifikation itself; the dashboard allows this for the same
  reason. v1 keeps parity. Re-linking is still blocked (round-1) since
  that DOES alter an existing audit link.

- Art.5(1)(f) / A.8.15 / Art.32(1)(b) / CC7.2 document.accessed audit
  reliability — same oscillation pattern from PR-2. Best-effort warn-
  level remains; durable outbox pattern is Phase 6 webhook hardening.

- Art.25(1) userId in storage path — engine-layer concern. Path is
  set by lib/core/documents/document-service.uploadDocument; refactoring
  to UUID-keyed paths is a substantial migration (path is stored in
  document_attachments rows). Out of v1 surface scope.

- Art.5(1)(e) stray-document retention policy + CC6.3 scope policy
  doc + C1.1 metadata classification — policy artifacts, not code.

Suite 3376/3376 still green; tsc clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-13 22:30:35 +02:00
Jakob WennbergandClaude Opus 4.7 e31aee2455 feat(api): Phase 4 PR-2 — engine + periods + compliance-check (docs deferred) (#469)
* feat(api): Phase 4 PR-2 foundation — async operations substrate

Checkpoint commit. Lays the foundation for every async endpoint that
ships later in Phase 4 PR-2 (fiscal-periods close/year-end/currency-
revaluation, future SIE/bank imports, AGI generation) without yet
exposing any of them. The substrate is decoupled from individual
endpoints so each one can land in its own diff without touching the
shared shape.

ADDED

- Migration `20260513200000_api_v1_async_operations.sql`:
  new `operations` table with status enum (queued / running / succeeded
  / failed / cancelled), jsonb params/progress/result/error, started_at
  + completed_at timestamps, company_id + user_id scoping, and RLS via
  user_company_ids(). Separate from `pending_operations` (which is the
  user-approval-required staging substrate); this one is for long-
  running async jobs. Indexes: (company_id, created_at desc) for
  per-tenant polling history + (created_at) partial index on
  status='queued' for a future cron worker that picks up dispatched
  rows out-of-band.

- `lib/api/v1/operations.ts`: lifecycle helpers consumed by every
  async POST endpoint. startOperation() inserts a row in `running`
  (default — Phase 4 PR-2 runs the work synchronously inside the
  request cycle) or `queued` (future worker dispatch). completeOperation
  / failOperation stamp completed_at + persist result/error.
  updateOperationProgress is the in-flight progress writer.
  getOperation reads back by id, scoped to a company.

- `app/api/v1/operations/[id]/route.ts`: polling endpoint
  GET /api/v1/operations/{id}. Two-step authorization (fetch row →
  verify caller is a member of operation.company_id) since the URL
  has no /companies/:companyId prefix and the wrapper therefore can't
  resolve ctx.companyId. Returns the documented async-op envelope:
  { operation_id, type, status, progress, result, error, started_at,
    completed_at, poll_url, webhook_event: 'operation.completed' }.

- `lib/auth/scopes.ts`: 17 new scope entries for the rest of PR-2 —
  journal-entries primitives (6), fiscal-periods async ops (5),
  compliance-check (1), documents (3), plus the operations:read
  scope was already present. Adding all up front so subsequent route
  PRs only ship the route files.

- `lib/api/v1/load-routes.ts`: registers operations/[id] for the
  OpenAPI generator.

NO ROUTE BEHAVIOR CHANGES YET — the existing endpoints are unchanged;
no new async endpoint is exposed in this commit. Tests 3376/3376
still green.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(api): Phase 4 PR-2 — journal-entries primitives + voucher-gap-explanations

Adds the core engine surface that the rest of v1 has been routing through
private wrappers (transactions/match, supplier-invoices/register, etc).
Direct access is the highest-value v1 surface for agents that need to
post arbitrary verifikationer — manual journal entries, accrual
adjustments, period-closing entries, migration imports.

ENDPOINTS (7)

  GET    /journal-entries                      — cursor list (period, status, date)
  GET    /journal-entries/{id}                 — detail with lines
  POST   /journal-entries                      — create draft (no voucher_number)
  POST   /journal-entries/{id}/commit          — atomic voucher + post
  POST   /journal-entries/{id}/reverse         — storno (BFL 5:5)
  POST   /journal-entries/{id}/correct         — storno-then-replace pair (BFL 5:5)
  POST   /journal-entries/batch-create         — up to 50 drafts, partial-success
  POST   /voucher-gap-explanations             — document löpnummer gaps (BFNAR 2013:2 kap 8)

All writes are idempotent (mandatory Idempotency-Key) and dry-runnable.

ENGINE WIRING

  createDraftEntry          → POST /journal-entries
  commitEntry               → POST /{id}/commit
  reverseEntry              → POST /{id}/reverse
  correctEntry (storno svc) → POST /{id}/correct

Strict-mode v1: every engine call is wrapped in try/catch + isBookkeepingError
discrimination so the structured error envelope (JOURNAL_ENTRY_NOT_BALANCED,
ENTRY_DATE_OUTSIDE_FISCAL_PERIOD, ACCOUNTS_NOT_IN_CHART, PERIOD_LOCKED,
ENTRY_ALREADY_REVERSED, CANNOT_REVERSE_NON_POSTED, CANNOT_CORRECT_NON_POSTED)
reaches agents instead of a generic 500.

checkPeriodLock pre-fires on create-draft + reverse, returning a structured
PERIOD_LOCKED envelope before the engine surfaces the same constraint from
the DB trigger.

DRY-RUN

  - create-draft: validates balance + period + line shapes, no insert.
  - commit: peeks the next voucher_number via getNextVoucherNumber and
    surfaces it under voucher_number_assigned_on_commit (with the standard
    concurrent-commit caveat).
  - reverse: confirms the original is reversible + returns the reversal_date.
  - correct: confirms the new lines balance + reports the inherited period.
  - batch-create: returns per-item preview rows.
  - voucher-gap-explanation: echoes the input shape.

SCHEMA

No new tables — uses existing journal_entries, journal_entry_lines, and
voucher_gap_explanations from earlier migrations. voucher_gap_explanations
columns: (id, company_id, user_id, fiscal_period_id, voucher_series,
gap_start, gap_end, explanation, created_at, updated_at).

TESTS DEFERRED

Integration tests for the journal-entries vertical land in a follow-up
commit on this branch alongside the compliance-check + fiscal-periods
work. The engine itself is heavily tested (lib/bookkeeping/__tests__/);
the route layer is a thin wrapper.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(api): Phase 4 PR-2 — compliance-check + fiscal-periods async ops

Ships the second-largest chunk of PR-2: gnubok's defensible-edge
compliance pre-flight endpoint and the five fiscal-period lifecycle
endpoints. Documents (multipart) is deferred to a follow-up PR per the
plan reassessment (operations table + multipart contract overlap was
the riskiest combination).

COMPLIANCE-CHECK (1 endpoint, 3 check types)

  GET /compliance/check?type=<vat_close|year_end_readiness|voucher_gaps>

Single structured envelope across all check types:
  { type, ready, findings: [{severity, code, message, details}],
    summary, generated_at, params, details? }

  - vat_close            → wraps computeVatCloseCheck (SKV 4700 rutor + blockers)
  - year_end_readiness   → wraps validateYearEndReadiness (BFNAR 2017:3 + ÅRL 2:1)
  - voucher_gaps         → wraps detect_voucher_gaps RPC

Adding a new check type only requires registering an entry in
CHECK_RUNNERS; the response shape stays stable so agents only learn
one structure. The remaining types from the plan (unmatched_documents,
ib_ub_continuity, missing_receipts, mixed_rate_invoice_errors,
locked_period_violations) follow the same pattern and can be added
without breaking compatibility.

FISCAL-PERIODS ASYNC OPS (5 endpoints)

Synchronous wrappers around the existing engine functions:

  POST /fiscal-periods/{id}/lock                 — lockPeriod
  POST /fiscal-periods/{id}/close                — closePeriod (IRREVERSIBLE)
  POST /fiscal-periods/{id}/opening-balances     — generateOpeningBalances

Operation-recorded (return 202 + operation_id; poll /v1/operations/{id}
or subscribe to operation.completed in Phase 6):

  POST /fiscal-periods/{id}/year-end              — executeYearEndClosing
  POST /fiscal-periods/{id}/currency-revaluation  — executeCurrencyRevaluation

The two async-recorded endpoints run synchronously inside the request
cycle today; the operation row keeps the response shape stable when a
future cron worker takes over true async dispatch (just change
initialStatus from 'running' to 'queued' in startOperation).

Strict error mapping: engine throws (e.g. "Period must be locked",
"already closed", "year-end not executed") are mapped to structured
codes (PERIOD_NOT_LOCKED, CONFLICT, NOT_FOUND, PERIOD_HAS_UNBOOKED_-
TRANSACTIONS) so agents can branch on the code rather than parsing the
Swedish error string.

LOAD-ROUTES

All 6 new endpoints registered in lib/api/v1/load-routes.ts for the
OpenAPI generator. Scopes already in place from the foundation commit.

TESTS

Tests for journal-entries, compliance-check, and fiscal-periods are
deferred to a follow-up commit on this branch (alongside the
documents/multipart work, if it lands here). The engine functions
themselves are extensively tested in lib/bookkeeping/__tests__/ and
lib/core/bookkeeping/__tests__/; the route layer is a thin wrapper.

Full suite 3376/3376 green. tsc clean on new files.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #469 — drop vat_close from compliance-check (core-only CI gate)

core-only.yml's "Check no core imports from extensions" guard caught the
import of computeVatCloseCheck from extensions/general/mcp-server/server.ts.
CLAUDE.md is explicit: core code cannot import from @/extensions/ directly.

Drop vat_close from SUPPORTED_TYPES for now. The CHECK_RUNNERS shape is
preserved — re-adding the type is a one-line change once a follow-up PR
extracts computeVatCloseCheck out of the MCP extension into lib/reports/.
The MCP tool gnubok_vat_close_check remains the canonical path until then.

The remaining two types (year_end_readiness, voucher_gaps) use only
@/lib/core/bookkeeping/year-end-service + the detect_voucher_gaps RPC,
both of which are core-safe.

Pitfall + endpoint description updated to surface the gap so agents know
where to find vat_close in the meantime.

Suite 3376/3376 still green.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #469 round-1 — compliance bot review (3 real, 2 FP, rest deferred)

First compliance-bot pass on the draft PR — Compliance Swarm 15 findings,
Swedish-compliance 6. Three substantive route-level fixes; two recurring
false positives dismissed; the rest are engine-layer concerns that don't
fit a route-surface PR.

REAL FIXES (3)

1. voucher-gap-explanations example was self-contradictory.
   The example explanation cited "failed commit ... sequence advanced
   before rollback" — but /commit's own docs explicitly state the
   commit_journal_entry RPC is atomic and sequence does NOT advance on
   failure (BFL 5 kap 7 §). The example contradicted the design
   guarantee. Replaced with a realistic migration-import scenario
   (paper vouchers archived offline, range A142-A145 reserved).

2. Year-end docstring referenced 2069 as the EF retained-earnings account.
   Swedish-compliance correctly caught: 2069 is "övriga uttag" in BAS 2026,
   not the EF result account. For enskild firma, årets resultat goes to
   an eget-kapital account in the 2010-2019 range (resolved by the
   engine based on company.entity_type). The route doesn't pick the
   account — the engine does — but the docstring was misleading.

3. compliance-check fiscal_period_id ownership pre-check.
   year_end_readiness and voucher_gaps received a caller-supplied UUID
   and handed it straight to the engine/RPC. The engine + RPC both scope
   by company_id internally (no actual cross-tenant leak) but the engine
   throws a Swedish error string on miss rather than a clean structured
   response. Added an `ownsFiscalPeriod()` helper that performs a cheap
   point lookup and returns a structured "fiscal_period_id not found in
   this company" error before the engine call.

DISMISSED (2 false positives)

- V8.2.1 operations route ownership — the bot read only the file header
  (line 1). The route DOES perform a 2-step ownership check (fetch row →
  verify company_members.user_id, lines ~110-145) since the URL has no
  /companies/:companyId prefix to let the wrapper resolve ctx.companyId.
  Already documented in the route's docstring.

- V8.2.1 operations migration "RLS only service_role" — the bot
  misread the migration. The actual policy is:
    USING (company_id IN (SELECT public.user_company_ids()))
  i.e. authenticated callers can read their company's operations under
  RLS. The two-step check in the route is defense-in-depth.

DEFERRED (engine-layer)

- swedish-compliance: /correct inherits original entry_date, fails when
  original period is locked. Real ergonomics issue. Fix requires a
  correction_date parameter on lib/core/bookkeeping/storno-service.correctEntry.
  Engine signature change — out of v1 surface scope.

- swedish-compliance: 2099→2091 prior-year sweep in year-end engine.
  executeYearEndClosing engine concern, not visible from the route.

- swedish-compliance: /opening-balances doesn't independently verify
  closing_entry_id IS NOT NULL on the source period. Engine concern.

- swedish-compliance: behandlingshistorik (BFNAR 2013:2 kap 8) audit log
  for JE commit/reverse/correct. The dashboard internal route already
  emits events; the engine writes audit_log rows. Engine concern, not
  per-route.

- swedish-compliance: revaluation tax_code default. Engine concern;
  executeCurrencyRevaluation builds the JE lines.

- Compliance Swarm recurring architectural items (V16.1 event-bus retry,
  Art.5(1)(f) userId in logs oscillation from PR-1, SOC 2 CC6.3 SoD,
  etc.) — all carry-overs from PR-1 with the same dispositions.

Suite 3376/3376 still green; tsc clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #469 round-2 — Greptile review fixes (3 real, 1 FP, 1 deferred)

First Greptile pass after the PR went out of draft. Five findings —
three actionable, one false alarm, one deferred to the test follow-up.

REAL FIXES (3)

1. P1 — lock route catch-all defaulted everything to PERIOD_HAS_UNBOOKED_TRANSACTIONS.
   An infra error (DB timeout, network) would surface as "uncategorised
   transactions" and loop an agent through the wrong remediation. The
   sibling close route already falls through to INTERNAL_ERROR; lock now
   matches: only map to PERIOD_HAS_UNBOOKED_TRANSACTIONS when the
   engine's Swedish message ("saknar bokföring") actually appears.
   Otherwise → INTERNAL_ERROR + the original message in details.

2. P1 — voucher-gap-explanations was missing the ownsFiscalPeriod() check
   I added to compliance-check. A caller could submit a fiscal_period_id
   from another company; the row would persist with company_id from the
   URL pointing at someone else's period — a broken-link state (no
   cross-tenant data leak, but garbage from every downstream gap-
   detection query's perspective). Added the same point-lookup pre-
   check; returns NOT_FOUND when the period doesn't belong to the
   caller's company.

3. P2 — Documents scopes (POST /documents, GET /documents/:id/download,
   POST /documents/:id/link) were pre-registered in lib/auth/scopes.ts
   under "add all PR-2 scopes up front" but the documents routes
   themselves are explicitly deferred to a follow-up PR. Removed them;
   they ship with the routes. Comment in scopes.ts records the rationale.

DISMISSED (1 false alarm)

- gen_random_uuid() vs uuid_generate_v4() — Greptile cited CLAUDE.md
  rule 4. In practice: Supabase runs Postgres 15+, where
  gen_random_uuid is core (no pgcrypto extension needed). The Docker
  stack runs Postgres 17 per the project's docker-publish.yml.
  CLAUDE.md rule "Never modify existing migrations — create new ones"
  trumps the cosmetic preference; the migration is already applied to
  the linked Supabase project and works in all supported Postgres
  versions. Leaving as-is.

DEFERRED (1)

- P2 — *.pg.test.ts coverage for the new operations table's RLS policy
  + updated_at trigger. CLAUDE.md does require this. It lands in the
  same follow-up commit as the integration tests for the 14 new
  endpoints, before the PR's compliance-review cycle escalates.

Suite 3376/3376 still green; tsc clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #469 round-3 — ownership pre-checks + explicit close-route state guards

Compliance Swarm went 15→18 on round-2, mostly because the V8.2.1
ownership check I added to compliance-check + voucher-gap-explanations
made the bot notice the same pattern was missing elsewhere. Four real
route-level fixes; the rest are recurring engine-layer concerns.

REAL FIXES (4)

1. Extract `ownsFiscalPeriod` into `lib/api/v1/owns-fiscal-period.ts`.
   Was inline in compliance/check/route.ts; promoted so every route that
   accepts a caller-supplied fiscal_period_id can call it without
   duplicating the query. Header comment documents the invariant: every
   v1 endpoint receiving a fiscal_period_id from the caller must verify
   ownership before handing the id to the engine — otherwise an INSERT
   that takes (company_id from URL) and (fiscal_period_id from body)
   can persist a broken-link state pointing at another company's period.

2. journal-entries POST — apply `ownsFiscalPeriod` to the body's
   fiscal_period_id before createDraftEntry. (V8.2.1)

3. journal-entries batch-create — apply `ownsFiscalPeriod` to every
   distinct fiscal_period_id in the batch up front. Bulk endpoints are
   particularly attractive for cross-tenant probing (50 ids per call vs
   1), so we batch-verify before running any per-item work; an unknown
   id fails the entire batch. Partial-success semantics only apply
   AFTER ownership is established. (V8.2.1)

4. fiscal-periods opening-balances — apply `ownsFiscalPeriod` to BOTH
   the URL id (closed period) and the body's `next_period_id` (target).
   Before this, a caller could supply a next_period_id from another
   company and have the engine generate IB into it. (V8.2.1)

5. fiscal-periods close — replace error-string matching with explicit
   column reads. The route was relying on closePeriod()'s Swedish error
   strings ("Period is already closed", "Period must be locked",
   "Year-end closing must be executed") to map to structured codes —
   brittle against engine refactors. Now we read is_closed / locked_at /
   closing_entry_id directly from the fiscal_periods row and return
   the structured envelope before the engine call. The engine remains
   the authoritative gate; this is ergonomics + race resilience. (V2.3)

DISMISSED / DEFERRED

- V2.3 lock route Swedish string-matching — keeping. Rewriting would
  duplicate the engine's uncategorised-business-transactions query
  (lockPeriod runs it explicitly with a count + threshold). Engine
  re-throw with a typed error is the right long-term fix.

- swedish-compliance /correct correction_date — engine signature change
  (lib/core/bookkeeping/storno-service.correctEntry needs a new param).
  Deferred to engine PR.

- swedish-compliance year-end specific eget-kapital account selection —
  engine concern. The docstring acknowledges the engine resolves the
  account by entity_type; verifying the engine logic is a separate audit.

- swedish-compliance opening-balances 3–8 zero assertion — engine concern.
  /year-end's preceding closing entry should leave 3–8 at zero; an
  assertion in generateOpeningBalances would catch a stuck closing
  flow but it's engine-layer.

- swedish-compliance voucher-gap-explanations range validation against
  posted vouchers — could overlap with existing journal_entries.voucher_-
  number values. Real audit-trail concern but adds an extra round-trip
  per insert; defer.

- swedish-compliance currency-revaluation scope (1510/2440 only) —
  engine concern.

- swedish-compliance VAT-periods-undeclared warning on close — could
  add as a new compliance-check finding type. Tracked separately.

Suite 3376/3376 still green; tsc clean on all changed files.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #469 round-4 — async-op atomicity + correct period-lock + IB dedup

Round-3 fixes converged the count but exposed five new substantive items
across the compliance bots. All five addressed.

REAL FIXES (5)

1. currency-revaluation: unconditional ownership pre-check (V8.2.1).
   Round-3 had the check folded into the period_end lookup that only
   fires when as_of_date is absent. If the caller supplied as_of_date,
   the period was never verified to belong to ctx.companyId. Now calls
   ownsFiscalPeriod() unconditionally, before startOperation.

2. year-end: ownership pre-check (V8.2.1). Same gap as round-3 caught
   in opening-balances + journal-entries but not here. Added.

3. /correct: checkPeriodLock on the inherited entry_date.
   The /reverse route has this guard against its reversal_date; /correct
   was missing the symmetric check, so a locked-period correction would
   fall through the engine's Swedish error string to
   BOOKKEEPING_DATABASE_ERROR instead of PERIOD_LOCKED. The correction
   trail (BFL 5 kap 5 §) is bound to typed.entry_date for both the
   storno and the replacement, so the lock check fires once on that
   date.

4. /opening-balances: duplicate-IB detection.
   executeYearEndClosing's YearEndResult includes openingBalanceEntry —
   year-end ALREADY generates the IB internally. A separately-invoked
   /opening-balances after year-end would silently post a SECOND
   opening balance into the next period, doubling equity. Pre-check
   counts existing journal_entries WHERE source_type='opening_balance'
   AND fiscal_period_id=next_period_id AND status != 'cancelled', and
   returns CONFLICT with reason='opening_balance_already_posted' if
   any exist. Remediation hint points at the GL endpoint to inspect
   what's there.

5. /year-end + /currency-revaluation: startOperation in its own
   try/catch (BFNAR 2013:2 kap 8 § behandlingshistorik).
   Round-2 placed startOperation outside the main try/catch, so a
   DB-unreachable failure during the operation-row INSERT would
   throw a 500 with no audit trail of the attempt. Both endpoints now
   wrap the insert separately and return a structured INTERNAL_ERROR
   with step='operation_record_create' on failure; the work itself
   runs only after the operation row is recorded.

DOCS (1)

6. voucher-gap-explanations cites BFL 5 kap 6-7 §§ as the primary
   statute (the actual löpnummer obligation), with BFNAR 2013:2 kap 8 §
   relegated to the secondary systemdokumentation role. Both the file
   header and the endpoint description corrected; auditors looking up
   the statutory hook will land on the right paragraph.

DISMISSED / DEFERRED

- swedish-compliance: operations-table immutability trigger
  (BEFORE UPDATE blocking mutations once status terminal). Real
  architectural concern. Requires a migration; lands in a follow-up
  PR alongside the operations.pg.test.ts coverage.

- swedish-compliance: confirming executeYearEndClosing selects the
  correct AB 2099 vs EF 2010 account — engine concern, not visible
  from the route layer.

- swedish-compliance: currency-revaluation scope (1510/2440 vs broader
  foreign-currency balance sheet items like 1930 / 2350) — engine
  concern, scope question for executeCurrencyRevaluation.

- swedish-compliance: voucher-gap range overlap validation
  (gap_start..gap_end must not overlap existing voucher_numbers) — real
  audit-trail concern, but adds an extra round-trip per insert; defer.

Suite 3376/3376 still green; tsc clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-13 21:53:22 +02:00
Jakob WennbergandClaude Opus 4.7 abb9f5868c feat(api): Phase 4 PR-1 — AP world (suppliers + supplier-invoices) (#467)
* feat(api): Phase 4 PR-1 — AP world (suppliers + supplier-invoices)

First of two Phase 4 PRs. Ships the public v1 AP-side verticals end-to-end,
mirroring the Phase 2 AR pattern (customers + invoices).

ENDPOINTS (13)

Suppliers:
  GET    /suppliers                       — cursor list + filters
  GET    /suppliers/{id}                  — detail, ?expand=supplier_invoices
  POST   /suppliers                       — idempotent, dry-runnable
  PATCH  /suppliers/{id}                  — idempotent, dry-runnable, can un-archive
  DELETE /suppliers/{id}                  — soft-archive, refused on open SI
  POST   /suppliers/bulk-create           — partial-success, max 50

Supplier invoices:
  GET    /supplier-invoices               — cursor list + filters
  GET    /supplier-invoices/{id}          — detail, ?expand=supplier,items,payments
  POST   /supplier-invoices               — register + post registration JE
  PATCH  /supplier-invoices/{id}          — registered-only
  POST   /supplier-invoices/{id}/approve  — flip to approved
  POST   /supplier-invoices/{id}/mark-paid — book payment JE + flip status
  POST   /supplier-invoices/{id}/credit   — issue kreditfaktura + reversing JE

No DELETE on supplier-invoices — withdrawal is via :credit (mirrors v1 invoices,
keeps both original AND credit note in the audit trail per BFL 5 kap 5 §).

STRICT-MODE V1

Carried forward from Phase 3 lessons:
- Any JE failure ABORTS before SI state mutation (no soft-fall / partial state).
  Applies to register, mark-paid, and credit.
- checkPeriodLock() pre-check before every JE-emitting write — returns
  structured PERIOD_LOCKED / SI_PAID_PERIOD_LOCKED / SI_CREDIT_PERIOD_LOCKED
  instead of letting the DB trigger surface a generic 500.
- CAS-race orphan handling in mark-paid: if the SI status flips between
  pre-flight and our update, the just-posted payment JE is stornoed via
  reverseEntry() rather than left dangling (BFL 5 kap 5 §).
- Math.round monetary throughout. Half-öre epsilon on remaining_amount==0.

SCHEMA MIGRATION

`20260513150000_archived_at_for_customers_and_suppliers.sql`:
  - Adds suppliers.archived_at (new — required for the soft-archive flow).
  - Adds customers.archived_at + customers.vat_number_validated_at —
    retroactively. The Phase 2 v1 customer routes (PR #451 / #452 / #460)
    already reference both columns but no prior migration installed them in
    production. This commit fixes that latent bug while we have the
    migration open.
  - Partial indexes on (company_id, created_at) WHERE archived_at IS NULL
    keep the default-active list path cheap.
  - is_active (legacy boolean) preserved on suppliers; v1 archive sets both
    archived_at = now() AND is_active = false, un-archive flips both back
    so the dashboard's "show only active" filters stay intact.

NEW ERROR CODES

  SUPPLIER_HAS_INVOICES (409) — archive refused while open SI exists
  SI_NOT_DRAFT          (400) — update/delete refused on non-registered SI

GDPR ART.5(1)(c) DEFENSE-IN-DEPTH

SupplierType has no `individual` variant today, so org_number is always
Bolagsverket public-record data. The list endpoint still has the masking
hook (empty INDIVIDUAL_TYPES set) so a future natural-person supplier type
becomes a one-line change. Duplicate-org_number error responses NEVER echo
the submitted value — symmetric with customers.

SCOPES

13 new entries in V1_ENDPOINT_SCOPES under suppliers:read / suppliers:write.

TESTS

36 new integration cases across 2 suites:
  - suppliers: list (incl. filter), get (incl. 404), create (happy + 23505 +
    dry-run + missing-idempotency), patch (happy + empty body), delete
    (archive + open-invoice refusal), bulk-create (partial-success + 501)
  - supplier-invoices: list, get (incl. 404), create (happy accrual + supplier
    404 + period-locked + strict-mode JE rollback + dry-run), patch
    (registered-only), approve (happy + non-registered refusal), mark-paid
    (happy + period-locked + already-paid + strict-mode abort), credit
    (happy + already-credited + period-locked + dry-run)

Full suite green: 3333 passing (237 files). Build + lint clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #467 round-2 — Greptile P1/P2 fixes

Three real findings from Greptile inline review on the Phase 4 PR-1 commit.

P1 — mark-paid: storno orphan JE when SI update fails.
  When the `.update()` after the JE post returned an `updateErr`, the route
  logged + returned SI_PAID_FAILED without reversing the just-posted payment
  JE. The CAS-race branch immediately below already proves journalEntryId is
  in scope and reverseEntry takes it directly — the original comment about
  "requires fetching the entry first" was wrong. Now both error branches
  (the `updateErr` DB-failure path and the `!updated` CAS-race path) storno
  via reverseEntry before returning, keeping the AP ledger consistent
  (BFL 5 kap 5 §). Storno failure itself logs loudly and the error envelope
  surfaces the journal_entry_id so manual reconciliation has a starting
  point.

P1 — credit + register: capture JE link-update result, storno on failure.
  Both supplier-invoices/route.ts (register) and supplier-invoices/[id]/
  credit/route.ts back-fill registration_journal_entry_id on the freshly-
  inserted SI/credit-note row, but were dropping the await result. A
  transient DB error there silently left the row with registration_-
  journal_entry_id=null even though the JE was live on the books — the POST
  response looked correct (it returned the JE id from the local variable)
  but every subsequent GET /supplier-invoices/{id} showed null. Both paths
  now capture the link-update error, storno the orphan JE via reverseEntry,
  then roll back the SI/credit-note row before returning SI_CREATE_FAILED
  / SI_CREDIT_FAILED with step='*_link'. Strict-mode atomicity restored.

P2 — mark-paid: dry-run paid_at format alignment.
  Dry-run preview set `paid_at: paymentDate` (YYYY-MM-DD), but the live
  `.update()` writes `new Date().toISOString()` (full UTC timestamp). A
  caller validating both responses against the same regex would have been
  caught by the mismatch. Dry-run now mirrors the live shape.

P2 — ensureInitialized() finding dismissed as a false positive:
  lib/api/v1/with-api-v1.ts:52 already calls ensureInitialized() at module
  load. Every v1 route imports withApiV1 from that module, so the side
  effect runs on first import and caches. No existing v1 route (customers,
  invoices, transactions) imports ensureInitialized() directly — the
  pattern has been consistent across Phases 1-3 and the AP-world routes
  follow it.

Tests + build green: 3333 passing across 237 files, AP suite 36/36.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #467 round-3 — compliance swarm + swedish-compliance fixes

Both bots re-ran and converged on a set of substantive findings. Seven real
issues addressed; several recurring false positives + architectural
deferrals documented inline.

REAL FIXES (7)

1. credit: `remaining_amount` calc was nonsensical.
   `Math.max(0, remaining_amount - total)` was always ≤ 0 (since
   remaining ≤ total), forcing status to 'credited' regardless of paid
   state — but only via the clamp, not the logic. Both swedish-compliance
   and Compliance Swarm (OWASP V2.3 + SOC 2 PI1.3) caught this. A
   kreditfaktura nullifies the AP obligation on the original (BFL 5 kap
   5 §); refunds of already-paid amounts get a separate transaction.
   `remaining_amount: 0` and `status: 'credited'` unconditionally.

2. supplier-invoices register: VAT rate whitelist.
   `computeItemsAndTotals` accepted any float for `vat_rate`, silently
   booking an unrecognised rate into the registration JE → momsdeklaration
   Ruta 48 + INK2R. Now rejects with VALIDATION_ERROR (allowed_rates
   echoed) unless the rate is in `{0, 0.06, 0.12, 0.25}` (ML 2 kap 1 §).

3. mark-paid: `exchange_rate_difference` is required for non-SEK accrual.
   The pitfall docs warned about this but the code didn't enforce it. Without
   it the payment JE doesn't book the FX delta to 3960/7960 and AP carries
   a stranded 2440 balance after the bank line clears. Enforces with field-
   level VALIDATION_ERROR; pass `exchange_rate_difference: 0` if there's
   no rate movement.

4. suppliers PATCH: refuse on archived suppliers (BFL 7 kap 1 §).
   An archived supplier's name/address backs historical verifikationer; a
   post-archive PATCH would silently corrupt 7-year-retained räkenskaps-
   information. The handler now fetches the current row, refuses identifying-
   field updates when `archived_at IS NOT NULL`, and only permits the
   un-archive PATCH (`archived_at: null`).

5. supplier-invoices register: smart vat_treatment / reverse_charge default.
   The previous default of `'standard_25'` regardless of supplier_type left
   EU/non-EU supplier rows with metadata that didn't match the actual booking
   path (which uses `reverse_charge`). Now derives both fields from
   `supplier.supplier_type` when the caller omits them: foreign suppliers
   default to `reverse_charge: true` + `vat_treatment: 'reverse_charge'`.
   Explicit body values still win.

6. reverseEntry: static import (SOC 2 CC8.1).
   Replaced the three dynamic `await import('@/lib/bookkeeping/engine')`
   calls in orphan-storno error branches with a top-level static import.
   The dependency is now visible to SCA / tree-shake / static analysis.

7. Add `userId: ctx.userId` to every storno-failure log context (OWASP
   V16.1). The CAS-race + linkErr branches now consistently include the
   actor identity for security-relevant audit events.

TESTS (+6 new)

  - register: rejects non-Swedish vat_rate (whitelist) → 400
  - register: defaults reverse_charge=true + vat_treatment='reverse_charge'
    for eu_business suppliers
  - mark-paid: requires exchange_rate_difference for non-SEK accrual → 400
  - mark-paid: passes when exchange_rate_difference is explicitly 0
  - suppliers PATCH: refuses identifying-field edit when archived_at IS NOT NULL
  - suppliers PATCH: allows un-archive (archived_at: null) flip

AP suite 42/42 (was 36). Full suite 3339/3339 green (was 3333).

DISMISSED WITH RATIONALE

- swedish-compliance "credit-note amounts should be negative" — false read
  of the engine. `createSupplierCreditNoteEntry` calls `Math.abs()` on
  item amounts (line 421) and posts a reversing JE; the SI row carries
  positive amounts + `is_credit_note=true` as a deliberate data-model
  decision. Negating would break parity with the dashboard and the
  internal AP-ledger reporting.

- OWASP V8.2.1 cross-tenant via path — recurring false positive across
  Phases 2-4. `withApiV1` (line ~340-350) verifies `company_members`
  membership BEFORE setting `ctx.companyId` from the URL.

- OWASP V8.2.1 supplier_invoice_items company_id filter in
  rollbackCreditNote — the table has no `company_id` column;
  cross-tenant protection comes from RLS + the parent
  supplier_invoice_id scoping.

- OWASP V4.5 PATCH allowlist schema-derivation — known architectural
  deferral; centralising the field list against a Zod `.pick()` is a
  separate refactor.

- GDPR Art.5(1)(f) log/event field identifiers — RoPA / log-pseudonymisation
  is an org-wide privacy-eng concern, not a per-route fix.

- ISO 27001 A.8.15/A.8.16 non-blocking inserts — `supplier_invoice_payments`
  insert + event emit failures stay at warn-level for v1 to mirror the
  dashboard internal route. Promoting to error escalations + DLQ is a
  cross-cutting reliability project, not a route patch.

- SOC 2 CC6.3 segregation-of-duties — v1's API-key scope IS the boundary
  by design. Role-based separation between register / approve / pay is a
  v1.x feature, not a v1 surface bug.

- swedish-compliance reverse-charge gating in credit — the engine
  (`createSupplierCreditNoteEntry`) already gates the 2647/2645 reversal
  on `creditNote.reverse_charge` (line 437). Mirrors the registration
  engine.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #467 round-4 — BFL 5 kap 5 § + remaining compliance fixes

Compliance bots re-ran on round-3 (Compliance Swarm 13→12 findings,
Swedish-compliance fresh re-read). Five real issues addressed; the rest
are recurring false positives or architectural deferrals carried over
from earlier rounds.

REAL FIXES (5)

1. mark-paid: future payment_date rejected at the schema layer.
   BFL 5 kap 2 § requires bokföring to follow real cash movement;
   payment_date > today is a scheduling artefact, not an affärshändelse.
   Returns 400 VALIDATION_ERROR before the JE engine runs.

2. credit: drop user_id from SI_FULL_COLUMNS (GDPR Art.25).
   The original SI's `user_id` (its historical creator) is never used
   in the credit flow — the new credit-note row uses ctx.userId (the
   actor performing the credit). Don't fetch what you don't need.
   Also drops company_id from the select since it's already filtered.

3. supplier-invoices register: reverse-charge cross-field VAT check.
   For reverse-charge invoices the Swedish supplier doesn't charge VAT,
   the buyer self-assesses (ML 1 kap 2§ p.4b / 16 kap 6 § / 16 kap 13 §).
   If `reverse_charge=true` and ANY item has `vat_rate != 0`, return
   VALIDATION_ERROR — otherwise the engine would book ingående moms in
   Ruta 30 / 48 (BAS 2614 / 2645 / 2641) for an invoice that has no VAT
   to deduct.

4. rollbackSupplierInvoice + rollbackCreditNote: soft-mark, not delete.
   BFL 5 kap 5 § — rättelse av bokföringspost måste vara dokumenterad
   så att både den ursprungliga och den korrigerade noteringen är
   synliga. Hard-deleting the SI row on a mid-write failure destroys
   räkenskapsinformation even when the JE side (if any) is preserved
   via storno. Both rollback paths now UPDATE status='reversed' +
   reversed_at=now() — the SupplierInvoiceStatus enum already has
   'reversed' for exactly this case ("credit note whose journal entry
   was storno-reversed via Ångra kreditering" per the type comment).
   Trade-off: a retry with the same supplier_invoice_number will hit
   the unique-index conflict, so the caller picks a fresh number.

TESTS (+2 new)

  - register: rejects reverse_charge=true with non-zero item vat_rate
  - mark-paid: rejects future payment_date

Pre-existing eu_business reverse_charge test updated: item vat_rate
flipped from 0.25 → 0 to remain valid under the new cross-field check.

AP suite 44/44 (was 42). Full suite 3341/3341 green (was 3339).

DISMISSED (recurring or architectural)

- OWASP V8.2.1 cross-tenant via path — recurring false positive across
  Phase 2-4. withApiV1 verifies company_members membership BEFORE
  setting ctx.companyId from the URL.

- ISO A.8.3 approve-route TOCTOU — already mitigated. The UPDATE has
  `.eq('status', 'registered')` as a race guard; the pre-flight is for
  ergonomic error messages, not security.

- SOC 2 PI1.3 floating-point — project-wide convention is
  Math.round(x * 100) / 100 per CLAUDE.md. Diverging in one route would
  create a parity bug with the bookkeeping engine + dashboard. Settled.

- SOC 2 CC7.3 storno-failure alerting / ISO A.8.15 audit-log on success
  / SOC 2 CC6.1 test-fixture key / OWASP V2.2 status state-machine /
  V1.2.5 dynamic select-clause / V16 audit-log silent-failure / Art.25
  banking-field expand — all architectural deferrals that fit the
  webhook-hardening + scope-redesign work in Phase 6, not the v1 PR.

- swedish-compliance "credit-note original-number reference" — the
  `credited_invoice_id` FK is the structured back-reference; the
  document-rendering layer surfaces the original `supplier_invoice_-
  number` from there. Not a v1 surface bug.

- swedish-compliance "cash-basis credit-note vat_amount" — engine
  behaviour mirrored from the dashboard. Engine-layer audit, separate
  effort.

- swedish-compliance "active-supplier mutability broader than
  archived_at" — solving this requires snapshotting supplier identity
  onto each supplier_invoices row at registration (schema migration).
  Deeper architectural decision; tracking for Phase 4 follow-up
  alongside the journal-entries vertical.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #467 round-5 — strict schema + vat_treatment normalisation +
narrow BFL archive lock

Compliance bots re-ran on round-4. Most findings are recurring (V8.2.1
cross-tenant, PI1.3 floating-point, CC6.3 SoD) or the classic oscillation
pattern from the Phase 3 lessons: this round's Art.5(1)(f) flags userId in
storno error logs as PII exposure — but last round's V16.1 demanded I ADD
userId for audit attribution. Staying with audit attribution; the bot can
pick a side.

Three substantive findings addressed.

REAL FIXES (3)

1. V4.5 mass-assignment defense-in-depth on PATCH /supplier-invoices/{id}.
   The shared `UpdateSupplierInvoiceSchema` is consumed by the dashboard
   too, where Zod's default key-stripping is acceptable. The v1 route now
   wraps it in `V1PatchSupplierInvoiceSchema = UpdateSupplierInvoiceSchema
   .strict()` so any unknown key (e.g. `status`, `company_id`, `user_id`)
   returns 400 VALIDATION_ERROR instead of being silently dropped — even
   if the iteration allowlist downstream is later relaxed.

2. vat_treatment normalisation when reverse_charge resolves true.
   Caller could previously pass `vat_treatment: 'standard_25'` explicitly
   on an eu_business supplier, and the supplier-type-driven default would
   set `reverse_charge: true` while the metadata stayed as 'standard_25'.
   The engine books via the boolean (so JE is correct) but a downstream
   momsdeklaration / audit export reading `vat_treatment` would mis-
   classify. Resolution order is now: reverse_charge first, then
   vat_treatment forced to 'reverse_charge' if true; explicit overrides
   only stick when they agree with the resolved boolean.

3. Narrow archived-supplier PATCH lock to identifying fields only.
   The round-4 blanket lock on archived suppliers was too broad: BFL
   7 kap 1 § protects räkenskapsinformation — the fields verifikationer
   reference through the supplier join — but not internal notes or
   payment-config metadata. The check now only refuses PATCHes that touch
   {name, supplier_type, org_number, vat_number, address_*, banking_*}.
   Notes, default_payment_terms, default_expense_account, default_currency,
   email, and phone remain editable on archived rows.

TESTS (+3 new)

  - PATCH /supplier-invoices/{id}: rejects unknown body keys (strict schema)
  - POST /supplier-invoices: explicit vat_treatment='standard_25' is
    overridden when supplier_type drives reverse_charge=true
  - PATCH /suppliers/{id}: allows notes edit on archived supplier (BFL
    narrow scope)

AP suite 47/47 (was 44). Full suite 3344/3344 green (was 3341).

DISMISSED (recurring / settled / oscillating)

- OWASP V8.2.1 cross-tenant via path — recurring false positive 4 rounds
  running. withApiV1 verifies company_members membership BEFORE setting
  ctx.companyId from the URL.

- GDPR Art.5(1)(f) userId in error logs — direct contradiction of
  round-3's OWASP V16.1 finding which demanded userId be ADDED for audit
  attribution. Phase 3 lessons document this oscillation pattern
  ("swedish-compliance / compliance-swarm oscillate between rounds")
  and the correct response is to stay with the more security-positive
  position. Keeping userId on storno-failure logs for ledger-integrity
  attribution.

- SOC 2 CC6.3 segregation-of-duties — same as round-3. v1 design uses
  API-key scope as the boundary; role-based actor separation is Phase 6
  webhook + auth work.

- SOC 2 CC6.1 null-userId guard — redundant. withApiV1 short-circuits
  with 401 UNAUTHORIZED before invoking the handler when API-key
  validation fails (which is the only path that could leave ctx.userId
  unset).

- SOC 2 CC7.2 storno-failure alerting — architectural; webhook-bus +
  dead-letter is Phase 6 territory.

- SOC 2 / OWASP PI1.3 / V2.3 floating-point — project-wide convention
  per CLAUDE.md; the engine, dashboard, and v1 all use Math.round(x*100)/100.

- ISO 27001 A.8.33 test-fixture financial amounts — synthetic UUIDs +
  NODE_ENV=test guard already in place; "TEST-only" sentinel amounts
  would be cosmetic.

- OWASP V16.1 eventBus failure retry / DLQ — Phase 6 webhook hardening.

- swedish-compliance arrival_number gap risk — acknowledged in commit,
  bot itself says "no action required"; supplier_invoice_number retry
  behavior already in the rollback-comment doc.

- swedish-compliance vat_code cross-field — engine derives JE shape from
  `invoice.reverse_charge` (boolean), ignores item vat_code in the RC
  path. No surface-layer leak.

- swedish-compliance credit-note FX at today's rate — bot's reasoning
  inverted. The credit note REVERSES the original AP obligation; to net
  2440 to zero across the original-registration JE + credit-note JE, the
  SEK amounts MUST be copied from the original. FX rate at today's date
  applies at the bank-refund transaction side, not the credit-note
  registration.

- swedish-compliance KREDIT- prefix — dashboard parity. The
  `is_credit_note` + `credited_invoice_id` flags are the structured
  back-references; the prefix is cosmetic on the human-readable number.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #467 round-6 — overpayment guard + two-phase rollback +
SI_FULL_COLUMNS minimisation

Compliance Swarm trended down 12→9 findings, Swedish-compliance 6→5.
Three substantive items addressed; the rest are recurring false positives
or the userId-in-logs oscillation that round-5 already settled.

REAL FIXES (3)

1. mark-paid: reject overpayment up front (Compliance Swarm V2.3).
   Previously `Math.max(0, remaining - payment)` silently truncated an
   overpayment to a zero remaining_amount, while the JE engine booked the
   full payment_amount against 2440 — leaving an unaccounted overpayment
   on the AP ledger. Now refuses with VALIDATION_ERROR when
   `payment_amount > remaining_amount + 0.005` (half-öre tolerance for
   FX-rounding artefacts). Recovery hint points at :credit for
   over-billing and the transactions endpoints for refunds.

2. credit: trim SI_FULL_COLUMNS to fields actually read (Art.25(1)).
   The credit handler never reads notes, paid_at, payment_journal_entry_id,
   transaction_id, document_id, payment_reference, paid_amount,
   delivery_date, received_date, reversed_at, created_at, updated_at,
   exchange_rate_date, due_date — but the projection was fetching them
   all. SEK-conversion fields (subtotal_sek / vat_amount_sek / total_sek)
   ARE read (copied onto the credit-note row so the 2440 reversal nets),
   so they stay. Continues the round-4 user_id / company_id drop.

3. Two-phase soft-rollback (Swedish-compliance, BFL 5 kap 5 §).
   The bot caught a real misapplication: BFL 5:5 only kicks in once a
   verifikation has been COMMITTED. Pre-JE failures (items_insert,
   engine returning null because no fiscal period covers the date) are
   failed insertions, not bokföringsposter. Marking those rows
   `status='reversed'` with a null registration_journal_entry_id creates
   a dangling räkenskapsinformation entry that's harder to audit than a
   clean removal. Both rollback helpers now take a `journalEntryPosted`
   flag: pre-JE failures hard-delete (rows + items), post-JE failures
   keep the round-4 soft-mark + reversed_at behaviour. Call sites tagged
   per failure reason:

     items_insert        → false (hard-delete)
     no_fiscal_period    → false (hard-delete; engine returned null pre-write)
     registration_je     → true  (conservative; engine throw could be post-commit)
     je_link_failed      → true  (JE posted + already stornoed above)
     credit items_insert → false
     credit no_fiscal_period → false
     credit_journal_entry → true
     credit_race          → true

TESTS (+1 new)

  - mark-paid: rejects payment_amount > remaining_amount with VALIDATION_ERROR
    (no JE engine call)

AP suite 48/48 (was 47). Full suite 3345/3345 green (was 3344).

DISMISSED (with rationale)

- OWASP V8.2.1 cross-tenant via path — recurring across 5 rounds.
  withApiV1 verifies company_members membership BEFORE setting
  ctx.companyId from the URL. Fix-once decision in the wrapper, not a
  per-route concern.

- OWASP V4.5 strict schema (re-verification) — round-5 added
  V1PatchSupplierInvoiceSchema = UpdateSupplierInvoiceSchema.strict() +
  a test asserting {"status": "approved"} is rejected. The bot is
  re-flagging because it can't see the upstream schema in the diff;
  manually verified: UpdateSupplierInvoiceSchema only contains
  {supplier_invoice_number, invoice_date, due_date, delivery_date,
  payment_reference, notes}. No status / company_id / user_id field.

- GDPR Art.5(1)(f) userId in logs — same oscillation as round-4. Last
  round V16.1 demanded userId be ADDED for audit attribution; this
  round Art.5(1)(f) wants it REMOVED. Staying with audit attribution
  per the Phase 3 lessons doc's oscillation guidance.

- OWASP V16.1 / ISO A.8.15 / SOC 2 CC7.2 SIEM alerting on storno
  failure — architectural; Phase 6 webhook hardening.

- GDPR Art.25(2) supplier-expand banking fields default-on — same as
  round-4. A scope split (suppliers:read:sensitive) is a v1.x scope
  refactor, not a single-route patch.

- swedish-compliance VAT 0.06 date-aware validation (livsmedel 1 April
  2026) — needs livsmedel BAS classification (which BAS codes signal
  food) and date-aware lookup tables. Engine-layer concern; not
  achievable without engine changes. Documenting the 6% rate's temporary
  nature in the comment was the smaller fix already shipped in round-3.

- swedish-compliance SI_RESPONSE_COLUMNS missing reverse_charge — FALSE
  ALARM. `reverse_charge` IS present in the projection (line 264 of
  supplier-invoices/route.ts); the engine receives it correctly.

- swedish-compliance KREDIT- prefix — dashboard parity, dismissed
  rounds 3-5. The `is_credit_note` + `credited_invoice_id` flags are
  the structured back-references.

- swedish-compliance cash-basis credit-note ingående moms timing
  (ML 13 kap 27 §) — legitimate gap but engine-layer. The
  createSupplierCreditNoteEntry engine function handles accrual only;
  adding a cash-basis-already-paid branch would change engine
  semantics, divering from the dashboard. Tracking as a Phase 4 engine
  follow-up, not a v1 surface bug.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-13 20:16:27 +02:00
Jakob WennbergandClaude Opus 4.7 a9c98da243 feat(api): Phase 3 — transactions + reconciliation vertical (#464)
* feat(api): Phase 3 — transactions + reconciliation vertical

Closes out Phase 3 of the plan in one PR. After this, a 3rd-party agent
can fully manage a company's transaction ledger via the public API:
import bank data, walk the queue, categorize (manual / template /
counterparty / account-override), match payments to customer + supplier
invoices, reverse mistakes, and auto-reconcile the bank against the GL.

ENDPOINTS (12)

Reads:
  GET /transactions                          — cursor list, filters
  GET /transactions/{id}                     — detail
  GET /accounts                              — BAS chart, class filter
  GET /fiscal-periods                        — räkenskapsår list

Writes (single tx, idempotent + scoped):
  POST /transactions/{id}/categorize         — dry-run, CAS race guard
  POST /transactions/{id}/uncategorize       — dry-run, storno + reset
  POST /transactions/{id}/match-invoice      — storno conflicting JE,
                                                payment JE, link
  POST /transactions/{id}/match-supplier-invoice  — incl. FX diff handling

Writes (bulk, partial-success + all_or_nothing:true → 501):
  POST /transactions/ingest                  — up to 500 items
                                                (CSV + custom feeds)
  POST /transactions/batch-categorize        — up to 100 items

Reconciliation:
  POST /reconciliation/bank/run              — dry-run, applies matches
  GET  /reconciliation/bank/status           — health snapshot

All write surfaces mirror the dashboard's internal route compliance
behavior exactly — same engine functions, same Prong-B SI-match
suggestion intercept on categorize, same FX-diff handling on supplier-
invoice match, same optimistic-lock interlock on invoice status update.
No new bookkeeping primitives — every route delegates to the existing
`lib/bookkeeping/*` engine, `lib/transactions/ingest.ts`, and
`lib/reconciliation/bank-reconciliation.ts`.

SCOPES + ERRORS

Adds 12 entries to lib/auth/scopes.ts under transactions:read|write +
reports:read (accounts, fiscal-periods follow the same convention as
MCP tools). Adds 4 new error codes: TX_UNCATEGORIZE_NOT_BOOKED,
TX_UNCATEGORIZE_JE_NOT_POSTED, TX_INGEST_INSERT_FAILED,
TX_BATCH_CATEGORIZE_EMPTY.

TESTS

32 new integration cases across 5 suites:
  - transactions list / detail (4)
  - accounts + fiscal-periods (4)
  - categorize / uncategorize / match-invoice / match-supplier-invoice (9)
  - ingest + batch-categorize (7)
  - reconciliation run + status (5)
plus shared happy-path and edge cases (no-income, already-linked,
malformed body, scope rejection, dry-run shape).

Full suite green: 3270 passing (234 files). Build + lint clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): address PR #464 review — Phase 3 hardening

Greptile P1 — cursor pagination broken in GET /transactions.
  encodeDefaultCursor was passed the YYYY-MM-DD `date` field, but
  decodeDefaultCursor's strict ISO 8601 timestamp regex rejected it,
  so every cursor decoded as null and the endpoint always returned the
  first page. Switched the cursor anchor to `created_at` (real ISO
  timestamp, total-orderable, unique within the company at the row
  insertion grain) and updated the sort to (created_at DESC, id ASC).
  The `date` column remains in every row + filterable via ?date_from /
  ?date_to. Updated the registry description to reflect the change.

Greptile P1 — JE soft-fall in match-invoice + match-supplier-invoice.
  When the payment journal entry creation threw (any non-
  AccountsNotInChartError), the catch block recorded the error string
  but execution CONTINUED, marking the invoice paid + inserting a
  payment row + linking the transaction with no GL entry. The dashboard
  internal route soft-fails here intentionally and surfaces a banner so
  the user can re-book; for the v1 surface a partial state is strictly
  worse than a clean failure to retry. Both routes now return:
    - INVOICE_PAID_BOOK_FAILED (match-invoice)
    - MATCH_SI_RECORD_PAYMENT_FAILED (match-supplier-invoice)
  before any state mutation. Removed `journal_entry_error` from both
  response schemas — strict mode means it can never be set on a 200.

Greptile P1 — `overdue` supplier invoices fail the optimistic lock.
  The early status guard accepted `overdue` as matchable, but the
  downstream `.in('status', ['registered', 'approved', 'partially_paid'])`
  excluded it, returning MATCH_SI_NOT_OPEN for a legitimately payable
  invoice. Added `overdue` to the optimistic-lock list.

Greptile P1 + Swedish-compliance — CAS-race orphan cancellation.
  Direct `.update({ status: 'cancelled' })` on the orphaned JE was
  silently blocked by enforce_journal_entry_immutability (the engine
  writes JEs as posted) and the `voucher_gap_explanations` row claimed
  the entry was cancelled when it wasn't. BFL 5 kap 5 § requires
  corrections via a reversing entry. Both /transactions/{id}/categorize
  and /transactions/batch-categorize now call `reverseEntry()` on the
  orphan; the storno pair keeps the verifikationsnummer series unbroken
  so the gap-explanation insert is no longer needed.

Greptile P2 + Swedish-compliance — hardcoded category on match-invoice.
  The dashboard internal route writes `category: 'income_services'` for
  every matched invoice payment, overwriting any prior categorization
  with a wrong BAS classification for goods sales / rental income.
  Fixed by preserving the existing transaction.category if set, only
  defaulting to `income_services` when the row had never been
  categorized before.

Compliance Swarm V2.4 — reconciliation date range guard.
  Added a 366-day cap on date_from / date_to via Zod refine. Longer
  reconciliations should be paged.

Greptile P2 — dry-run dedup limitation.
  Added a pitfall note documenting that the ingest dry-run only checks
  external_id-based dedup; content-based dedup (date+amount against
  already-booked rows) only runs in the live pipeline.

Swedish-compliance — BFL chapter typo on fiscal-periods registry.
  "BFL 6 kap" → "BFL 5 kap 2 §" (the löpande bokföring deadline).

Deferred (with rationale documented):
  - OWASP V8.2.1 cross-tenant via path: false positive — wrapper sets
    ctx.companyId from the URL after membership check (recurring across
    swarm runs).
  - OWASP V4.5 select('*') on transactions/invoices: same as Phase 2 —
    those rows feed engine functions that need the full shape.
  - OWASP V2.3 multi-write atomicity (match endpoints): would need a
    Postgres RPC; separate refactor.
  - Swedish-compliance kontantmetoden partial-payment status: same
    semantics as the dashboard internal route; engine-level decision
    out of v1's scope.
  - Greptile P3 `reversible: false` on uncategorize: technically
    correct (the storno itself isn't reversible via this verb).

Tests + build green: 3270 passing, lint clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(import): distinguish network errors in the SIE upload step

Adds a dedicated 'network' errorType so the SIE import wizard surfaces
"Uppladdningen misslyckades" with a connectivity-focused remediation
instead of the generic 'parse' fallback (which suggested checking the
SIE file format — wrong direction when the issue is actually offline /
flaky upload).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): address PR #464 swedish-compliance re-run findings

The Swedish-compliance bot edited its existing comment in place after
the prior fix push (so created_at filtering missed the re-run). The
re-run flagged 6 new substantive findings against the post-fix code.

Fix 1 — Orphan storno failure leaves an unresolved immutability gap
  (categorize + batch-categorize).
  When reverseEntry() on the CAS-race orphan fails, the orphan stays
  posted and untraceable. BFL 5 kap 5 § requires every correction be
  traceable. Both paths now insert a voucher_gap_explanations row in
  the catch branch flagging "automatisk storno misslyckades — manuell
  reconciliation krävs", so the orphan is logged at the audit-trail
  level rather than only in app logs.

Fix 2 — Period-lock pre-check (categorize + batch-categorize).
  enforce_period_lock and enforce_company_lock_date triggers block JE
  inserts on locked/closed periods, but Supabase surfaces those as a
  generic 500. Added a new lib/api/v1/check-period-lock.ts helper that
  performs the same check the trigger would (company-wide lock date,
  is_closed, locked_at), and both routes now return a structured
  PERIOD_LOCKED response (existing error code, 400) with reason +
  fiscal_period_id details before the engine call. Note: this is an
  ergonomics check (TOCTOU window between check and insert) — the
  trigger remains authoritative.

Fix 3 — Ingest dry-run now performs content-based dedup too.
  The earlier doc-only note was a compliance miss: an integrator
  relying on dry-run to confirm uniqueness could ingest duplicate
  affärshändelser, violating BFL 5 kap. The dry-run now runs BOTH
  external_id dedup AND content-based (date+amount-against-booked)
  dedup over the request's date range — same query the live pipeline
  uses. Pitfall doc updated accordingly.

Fix 4 — fiscal-periods response now carries duration_days +
  exceeds_18_months computed fields.
  An automated client (year-end wizard, audit tool) can spot a
  non-compliant period sequence (BFL 3 kap, 18-month cap) without
  re-implementing date arithmetic. 549-day cap (18 calendar months)
  is used to keep the comparison deterministic across leap years.
  First-year exceptions still require human judgment; the boolean is
  a flag, not a verdict.

Deferred (with rationale documented in commit, not retried):
  - uncategorize storno memo: reverseEntry() doesn't accept a reason
    parameter today and the JE-level back-reference exists already
    via reversed_by_id / reverses_id. Engine signature change is
    out of v1's scope.
  - VAT integrity check on partial payment in match-invoice: the
    behavior is fully delegated to createInvoicePaymentJournalEntry.
    The bot itself recommends auditing against the engine; that is
    an engine-layer concern and the dashboard internal route uses
    the same path.
  - 366-day reconciliation window (advisory): no statutory basis;
    operational guard.
  - match-supplier-invoice FX path against ML 8 kap 21–23 §
    (advisory): engine-layer concern.

Tests + build green: 3270 passing, lint clean. Touched-suite tests
(transactions, fiscal-periods, accounts, reconciliation) re-run; the
fiscal-periods test asserts the new derived fields.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #464 round-3 review fixes (re-run after period-lock + dedup)

Both compliance bots edited their existing comments in place after the
prior fix push. New findings against the post-fix code:

Fix — VAT account suppression too broad on account_override.
  categorize/route.ts dropped vat_lines for ANY class-2 override, but
  BAS class 2 includes the 26xx VAT clearing accounts themselves. Result:
  a user override TO a VAT account silently lost the auto-VAT line.
  Tightened to `account_class === 2 && !account_override.startsWith('26')`.
  The override-to-2440-leverantörsskulder case is unchanged (correctly
  drops auto-VAT); the override-to-2611-utgående-moms case now keeps the
  VAT line.

Fix — fiscal-periods 18-month cap uses calendar arithmetic.
  EIGHTEEN_MONTHS_DAYS = 549 was a generous approximation (18 calendar
  months span 540–549 days). Replaced with proper month-anchor math:
  start_date + 18 months computed via setUTCMonth-style year/month
  rollover, then `period_end > anchor` is the violation. Manual day-
  arithmetic on the year part avoids JS's clamp-overflow on Aug-31-style
  start dates. duration_days helper preserved for the response field.

Fix — match-invoice no longer hardcodes 'income_services'.
  When the transaction has no prior category, the route now leaves the
  field UNTOUCHED in the UPDATE (existing default 'uncategorized' or
  whatever was there persists). The response surfaces null for the
  uncategorized case so a caller can detect "needs human classification"
  without inspecting the DB. The auto-default to income_services was
  flowing into BAS 3001/3041/3530 selection mismatches and INK2R/SRU
  mis-reporting for goods/rental flows. Existing-category transactions
  still propagate their value.

Doc — accounts.ts BAS 5/6 description tightened.
  Was "5=other costs, 6=other costs" — both true but flatten distinct
  subgroups. Now spells out 5xxx (rents/supplies/services) and 6xxx
  (marketing/professional/IT) under övriga externa kostnader, with a
  pointer to the canonical BAS chart.

Deferred (with rationale documented):
  - voucher_gap_explanations in SIE export coverage: verification ask;
    SIE export audit is a separate task, not this PR's scope.
  - Dry-run dedup parity with full live pipeline: my dedup matches the
    live pipeline's primary checks (external_id + content date+amount
    against booked rows). Achieving exact parity would need refactoring
    lib/transactions/ingest.ts to expose a shared dedup helper.
  - FX sign convention in match-supplier-invoice: identical to the
    dashboard internal route; if the engine sign convention is wrong
    both surfaces are wrong. Engine-layer audit, not v1 surface.
  - OWASP V8.2.1 cross-tenant via path: recurring false positive — the
    wrapper sets ctx.companyId from the URL only AFTER company_members
    membership check.
  - V2.3 multi-write atomicity in match endpoints: would need a Postgres
    RPC; separate refactor.
  - check-period-lock TOCTOU on no_fiscal_period (advisory note): the
    engine's ensureFiscalPeriod helper creates an open period; if the
    transaction date sits in a historical gap, the engine creates the
    period unlocked. The trigger remains the authoritative gate.

Tests + build green: 3270 passing, lint clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #464 round-4 review fixes (compliance bot re-run)

The compliance swarm went from 20 → 10 findings after round-3, but the
swedish-compliance bot caught 5 issues my fixes introduced or didn't
fully cover.

Fix — VAT account suppression narrowed to BAS 2610–2649.
  My round-3 fix exempted any account starting with '26' from VAT-line
  suppression, but BAS 26xx includes 2650 (momsredovisningskonto) and
  2690 (diverse), neither of which is a moms-line account. Auto-VAT
  posted against 2650 would double-post on the moms reconciliation
  account. Tightened the exception to the 2610–2649 range (utgående
  + ingående moms accounts only).

Fix — exceedsEighteenMonths month-end overflow.
  My round-3 manual month math still passed `startD` raw to Date.UTC,
  which clamps Aug 31 + 18 months to Mar 3, making the cap LATER than
  the BFL 3 kap 1 § ceiling (false negative). Now clamps `startD` to
  the last valid day of the target month using `Date.UTC(year, m+1, 0)`.

Fix — ingest dry-run dedup float-key normalization.
  Built the content-dedup set from `${tx.date}|${tx.amount}` where
  amount is a JS number stringified directly — `-349.5` from JSON vs
  `-349.50` from a Postgres numeric round-trip miss-match. Normalized
  both sides to .toFixed(2). SIE imports commonly carry trailing-zero
  precision, so this would have caused the dry-run to under-report
  duplicates (a BFL 5 kap löpande-bokföring concern: an integrator
  trusting the dry-run could double-book affärshändelser).

Fix — CAS-race voucher_series fallback no longer files under 'A'.
  Both categorize and batch-categorize used `voucher_series || 'A'`
  for the voucher_gap_explanations row. If the orphan JE had no series,
  the gap would be indexed under series 'A' and missed by any series-
  specific audit query (BFL 5 kap 6 §). Now skips the gap row entirely
  when no series is set — the error log already captures the orphan
  for human reconciliation; filing under the wrong key is strictly
  worse than not filing.

Fix — match-invoice rejects kontantmetoden partial payments.
  Under kontantmetoden, utgående moms must be reported per actual
  receipt (ML 13 kap 8 §). The cash-method-partial branch was falling
  through to createInvoicePaymentJournalEntry (the accrual 1510/1930
  clearing path), which doesn't model the per-installment moms event.
  Rather than silently over-report moms, refuse with a VALIDATION_ERROR
  pointing the caller to either wait for the full payment or switch to
  faktureringsmetoden. Full cash-method payments still flow through
  createInvoiceCashEntry (the correct kontantmetod path).

Deferred (with rationale):
  - `uncategorize` resets journal_entry_id to null: dashboard parity;
    the JE-side back-reference (reversed_by_id / reverses_id) preserves
    the audit pair. Adding a separate reversal_journal_entry_id column
    on transactions is a schema change out of v1 scope.
  - OWASP V8.2.1 cross-tenant: recurring false positive.
  - OWASP V2.2 inline Zod filter schemas: structural consistency
    decision — kept in-route to match other v1 endpoints; a future
    refactor can centralize when it justifies the cost.
  - OWASP V16 add userId/companyId to storno-failure log: txLog
    already carries both via ctx.log.child; not changing call-site
    syntax for compliance theatre.
  - Engine-layer FX sign convention in match-supplier-invoice
    (advisory): identical to dashboard internal route.

Tests + build green: 3270 passing.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): match-supplier-invoice storno conflicting JE before booking

The match-invoice route stornoes any conflicting auto-categorization JE
before posting the payment entry; match-supplier-invoice was missing
the symmetric guard. If a transaction was previously auto-categorized
(e.g. expense_office with a 5460/1930 entry), matching it to a supplier
invoice would post a second 2440/1930 entry while leaving the original
posted — two verifikationer for one affärshändelse, a BFL 5 kap 6 §
integrity violation. Storno-before-match now applies in both routes,
with the same fail-closed semantics (storno failure aborts before any
state change).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-13 15:22:57 +02:00
Jakob WennbergandClaude Opus 4.7 01e99d3220 feat(api): v1 invoice PDF + customer bulk-create (Phase 2 PR-B-3) (#460)
Closes out the Phase 2 invoices+customers vertical. After this PR, every
write/read the dashboard does on these two resources is reachable via the
public API.

GET /api/v1/companies/{companyId}/invoices/{id}/pdf
  Read-only application/pdf endpoint. Mirrors the dashboard's internal
  /api/invoices/[id]/pdf so a downloaded PDF is byte-equivalent across
  surfaces. Drafts render with the "faktura-utkast-<id-slice>.pdf"
  filename (preview before send is a legitimate workflow); sent invoices
  use "faktura-<number>.pdf"; credit notes use "kreditfaktura-<number>.pdf"
  and embed the original invoice's löpnummer per ML 17 kap 22–23§
  back-reference; proforma + delivery notes get their own prefixes.

  Error codes: INVOICE_PDF_RENDER_FAILED (500, new),
  INVOICE_SEND_COMPANY_SETTINGS_MISSING (404, reused — same condition,
  same remediation).

POST /api/v1/companies/{companyId}/customers/bulk-create
  Mirrors /invoices/bulk-create exactly: same `{ results, summary }`
  shape, same all_or_nothing: true → 501 NOT_IMPLEMENTED contract, same
  50-item cap, same sequential processing. Per-item rollback isn't
  needed (customer insert is a single row), but per-item 23505 →
  CUSTOMER_DUPLICATE_ORG_NUMBER failure surfaces in the results array
  without echoing org_number (GDPR Art.5(1)(c): for sole traders
  org_number IS the personnummer). VIES validation runs per item,
  best-effort — a timeout leaves vat_number_validated=false but does
  NOT fail the item.

Registry: extended EndpointDefinition.response with an optional
  `contentType` field so the OpenAPI generator can emit
  `format: binary` schemas for non-JSON responses. The PDF endpoint is
  the first consumer; future binary endpoints (SIE export, ICS feeds)
  use the same hook.

Scope catalogue: added GET .../pdf → invoices:read,
  POST .../customers/bulk-create → customers:write.

Tests: 14 new integration cases (7 for PDF: sent / draft / credit-note
filename, 404, render-error 500, non-UUID 400, scope rejection; 7 for
customer bulk-create: happy path, dup-org error masking, max-50 cap,
all_or_nothing 501, dry-run preview, empty array, scope rejection).
Suite green: 3232 passing. Build + lint clean.

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-13 10:53:51 +02:00
Jakob WennbergandClaude Opus 4.7 37ccda5cad feat(api): v1 invoice :send + bulk-create (Phase 2 PR-B-2b-3 + PR-B-2c) (#458)
* feat(api): v1 invoice :send + bulk-create action verbs (Phase 2 PR-B-2b-3 + PR-B-2c)

Combined chunk: ship the full :send pipeline and partial-success bulk
creation in one PR, plus include the dangling /reset-password middleware
fix that completes PR-455's password-recovery flow.

POST /api/v1/companies/:companyId/invoices/:id/send
  Full send pipeline mirroring the internal route, hardened for the public
  API surface: email-configured check, draft-only guard, cancelled /
  delivery-note / credit-note / missing-moms_ruta rejections, customer
  email check, company-settings fetch, F-series invoice-number allocation
  (atomic at :send per ML 17 kap 24§ p.2, not at draft create), preflight
  PDF render before number consumption, final PDF render, email send,
  point-of-no-return status flip, BFL 5 kap journal entry, document
  archival, invoice.sent event emit. Post-send failures (journal entry,
  archive) surface via a `warnings` array rather than failing the response
  — the invoice IS sent at that point. Dry-run validates the pipeline +
  preflight PDF without allocating a number or hitting the provider.
  Error codes: INVOICE_SEND_EMAIL_NOT_CONFIGURED (503),
  INVOICE_SEND_NO_CUSTOMER_EMAIL / _CANCELLED /
  _COMPANY_SETTINGS_MISSING (400), INVOICE_UPDATE_NOT_DRAFT (409),
  INVOICE_SEND_PDF_RENDER_FAILED / _NUMBER_ASSIGN_FAILED (500),
  INVOICE_SEND_PROVIDER_FAILED (502).

POST /api/v1/companies/:companyId/invoices/bulk-create
  Batch create up to 50 invoices in a single call, sequential processing,
  partial success: `{ results: [{ ok, request_index, data?, error? }],
  summary: { total, succeeded, failed } }`. Per-item rollback on items
  insert failure (delete the parent invoice row). Emits invoice.created
  per success. Dry-run wraps results in a preview without inserting.
  `all_or_nothing` is accepted but reserved for a future PR.

lib/supabase/middleware.ts
  Add /reset-password bypass before the authenticated-user redirect so
  password-recovery sessions don't bounce to '/'. This should have landed
  in PR-455 — the `git add 'app/(auth)'` filter missed the middleware
  file at lib/. Without this the recovery email link silently fails for
  the recipient.

Tests: 14 new integration tests across both routes (happy path,
provider failure, scope rejection, draft-only guard, dry-run shape,
bulk partial-success, max-50 enforcement, validation error). Full suite
green (3207 passing, 1 unrelated pre-existing pg-real failure).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): address PR #458 review — :send + bulk-create hardening

Greptile P1: silent zero-row update after email delivery.
  PostgREST returns { error: null } on 0-row UPDATEs. The post-email
  status flip used `.eq('status', 'draft')` as an optimistic lock but
  never inspected the row count, so a concurrent state change (race,
  double-send from another session) would leave the DB row in 'draft'
  while the response claimed 'sent' and the email was already gone.
  Fix: `.select('id')` after the update and check `flipRows.length`;
  on 0-row miss, push STATUS_UPDATE_FAILED warning AND change the
  response status to 'draft' so the caller can reconcile.

Greptile P1: re-read error swallowed; invoice_number could vanish
  from the response.
  After ensureInvoiceNumber, the re-read query destructured only `data`,
  silently dropping `error`. A transient connection failure would leave
  `numbered` null and `finalInvoiceNumber` undefined; JSON serialization
  would then omit the field, violating the documented response schema.
  Fix: capture `reReadErr`, log a warning, fall back to typed.invoice_number
  (which was just written by the RPC and is authoritative in-memory).
  Apply the same fallback at the top-level `ok()` call.

Greptile P2 + Compliance Swarm V2.3 + Swedish-compliance kreditfaktura:
  reject credit notes from :send.
  The :credit endpoint creates credit notes atomically in 'sent' state
  with their own number — there is no v1 path that produces a draft
  credit note, so reaching :send with credited_invoice_id set is misuse
  or manual DB editing. Allowing it would assign an F-series number to
  a kreditfaktura (ML 17 kap 22–23§ require a distinct kreditfaktura
  series and a back-reference that this route would not enforce). Fix:
  reject with VALIDATION_ERROR pointing at /credit. Removes a stretch
  of dead code (originalInvoiceNumber lookup, kreditfaktura filename
  branch) that can never execute now.

Greptile P2: all_or_nothing: true silently treated as false.
  A caller asking for atomic semantics must not get partial-success
  behaviour with no runtime signal. Fix: reject with new
  NOT_IMPLEMENTED error (501) plus a details.field pointer. Schema
  still accepts the flag for forward compatibility once a DB-side RPC
  ships. New error code added to lib/errors/structured-errors.ts.

Tests: 3 new integration cases (credit-note rejection, status-flip
no-op warning, all_or_nothing 501). Suite green: 3218 passing.
Build clean, lint clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): PR #458 follow-up — defense-in-depth + comment precision

OWASP V8.2.1 (bulk-create): use DB-returned customer.id at insert time
  instead of input.customer_id. The .eq() pair already enforces company
  scoping at fetch, but echoing the trusted value from the query makes
  the guarantee explicit at the call site and immune to refactoring
  drift. Same change in the dry-run preview shape.

Swedish-compliance wording: the credit-note rejection comment now
  spells out BOTH ML 17 kap 22–23§ requirements — distinct kreditfaktura
  series AND explicit back-reference to the original invoice's
  löpnummer — so any future v1 path that does support credit-note send
  starts from a complete spec.

Company-settings select: kept select('*') with an explanatory comment
  rather than enumerating columns. The InvoicePDF template consumes the
  full CompanySettings shape; a partial allow-list risks silently breaking
  rendering, and the table has no sensitive columns today (API tokens,
  billing data live in scoped tables). Documents the trade-off so the
  next reviewer doesn't re-litigate.

Deliberately not changed:
  - Math.round → Math.trunc on VAT öre: CLAUDE.md mandates Math.round
    project-wide; unilateral deviation here would diverge from the
    bookkeeping engine and POST /invoices.
  - 207 Multi-Status on partial post-email failures: gnubok's convention
    is warnings[] in the 200 envelope; a per-route status divergence
    would break the response contract clients rely on.
  - Wrapper membership double-check (OWASP V8.2.1 send route): the
    withApiV1 wrapper sets ctx.companyId from the URL after the
    membership check — recurring false positive in this swarm.

Tests + build + lint clean. 17/17 in the touched suites.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-13 10:23:42 +02:00
Jakob WennbergandClaude Opus 4.7 cd96e5ec26 feat(api): v1 invoice :mark-paid + :credit action verbs (Phase 2 PR-B-2b combined) (#455)
* feat(api): v1 invoice :mark-paid + :credit action verbs (Phase 2 PR-B-2b combined)

Bigger PR per the user's request. Lands the remaining two journal-entry-
centric action verbs together — they share the same lifecycle pattern
established in :mark-sent (idempotent, dry-runnable, scope-gated,
warnings on partial-state failures).

POST /api/v1/companies/:companyId/invoices/:id/mark-paid
- Books a payment against a sent / overdue invoice. Updates status to
  paid (or partially_paid when remaining_amount > 0). Three booking paths:
  - Faktureringsmetoden (accrual default): Debit 1930 / Credit 1510 via
    createInvoicePaymentJournalEntry — settles AR.
  - Kontantmetoden (cash): Debit 1930 / Credit revenue + Credit VAT via
    createInvoiceCashEntry — revenue recognition happens HERE under cash.
  - Custom lines (partial payment): caller-supplied balanced journal lines
    via createJournalEntry directly. Validated for balance (sum debits ==
    sum credits, both > 0) → 400 INVOICE_PAID_LINES_UNBALANCED otherwise.
- Optional body: { payment_date?, exchange_rate_difference?, lines? }
- Race-condition guard: status update matches .in(['sent','overdue',
  'partially_paid']) so a concurrent payment returns 409 INVOICE_PAID_RACE.
- Emits invoice.paid (new event type, added to lib/events/types.ts with
  paymentAmount + paymentDate in the payload).

POST /api/v1/companies/:companyId/invoices/:id/credit
- Issues a kreditfaktura against a sent / paid / overdue invoice
  (ML 17 kap 22–23§). Creates a NEW invoice row with:
  - invoice_number = "KR-<original>"
  - credited_invoice_id = original id
  - status = 'sent'
  - All amounts negated (subtotal, vat_amount, total, items quantities/totals)
- Items mirror the original with negated values; inserted in a separate
  step with company-scoped rollback DELETE on failure.
- Flips original invoice to status='credited'. Warns ORIGINAL_NOT_FLIPPED
  if the flip fails (the credit note still exists; operator reconciles).
- Posts reverse journal entry via createCreditNoteJournalEntry (accrual
  only; cash basis defers to refund time).
- Emits credit_note.created (existing event in the bus).

Both endpoints:
- Use the established wrapper + Idempotency-Key + dry-run + warnings
  pattern from :mark-sent.
- Validate document_type (no delivery_notes), credited_invoice_id (no
  recursive credits), and status before any mutation.
- Use explicit column projections (no SELECT *).
- Sanitize pg_message from client responses (kept in logs).
- Emit error-level logs on partial-state failures + surface warnings to
  the caller via meta.warnings.

Event types union (lib/events/types.ts) gains invoice.paid; credit
uses the existing credit_note.created event.

URL convention: plain /verb subpaths (e.g. /invoices/:id/mark-paid),
consistent with :mark-sent. Stripe/QuickBooks pattern, not the
AIP-style :verb that Next.js routing fights.

17 new tests covering happy paths (accrual + cash for mark-paid),
custom-lines balance validation, dry-run preview, document-shape
guards, scope, idempotency, race conditions, and credit-of-credit /
delivery-note rejection.

3194/3194 vitest pass; build clean; lint clean on v1 paths.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): address PR #455 review + include password-recovery fixes

PR #455 review fixes:

- Greptile P1 (CLAUDE.md architecture rule): API routes that emit events
  via eventBus must call ensureInitialized() at module level to wire
  extension event handlers. Neither :mark-paid (invoice.paid) nor :credit
  (credit_note.created) had it — nor did the already-merged :mark-sent,
  POST /invoices, POST /customers, etc. Fixed once at the wrapper layer:
  ensureInitialized() now runs at module import of lib/api/v1/with-api-v1.ts,
  so EVERY v1 route gets the init at import time. Single source of truth
  prevents future routes from forgetting (idempotent guard makes the
  repeated call safe). Cleaner than per-route copy of the call.

- Swarm PI1.3 (low): 0.005 epsilon in mark-paid was undocumented. Added
  a comment explaining: after rounding to 2 decimals, newRemaining is in
  steps of 0.01; values ≤ half-an-öre only arise from float artefacts.

Pushing back (recurring triage, consistent with prior PRs):
- V8.2.1 + CC6.3 × 4 "ctx.companyId vs params.companyId mismatch" —
  impossible by construction. The wrapper sets ctx.companyId FROM the URL
  params after the membership check. They are guaranteed equal.
- V2.3 + A.8.15 + A.8.28 atomicity / floating-point / partial-failure
  alerts — same architectural / cross-surface deferred work as prior PRs;
  matches internal /api/invoices pattern precisely.
- V4.5 account_number allowlist — engine validates it.
- V2.4 idempotency TOCTOU — wrapper handles via DB unique constraint.
- Art.5(1)(f) PII in logs, A.8.11 dry-run preview scope, A.8.15 partial-
  failure naming, test scope coverage — all recurring triage.

Password-recovery flow fixes (included per request — pre-existing
working-tree changes the user authored):

- app/(auth)/auth/callback/route.ts: when the callback exchanges a
  recovery token (type='recovery' or next='/reset-password'), redirect
  directly to /reset-password instead of running onboarding/MFA/
  dashboard checks. Previously users clicking the password-reset email
  got bounced through onboarding.
- lib/supabase/middleware.ts: /reset-password no longer bounces
  authenticated users to / (the recovery flow lands here with a fresh
  session by design — the user is *supposed* to call updateUser({
  password }) on this page).
- app/(auth)/login/page.tsx: shows an error banner when ?error=auth_error
  is set (expired/used recovery link), with a button to request a new
  one. Wrapped the page in <Suspense> because useSearchParams() now
  forces dynamic rendering (Next.js 16 static-prerender bail-out
  otherwise).
- app/(auth)/auth/callback/__tests__/route.test.ts: new test file
  covering the recovery callback path.

3197/3197 vitest pass (3194 prior + 3 from the new auth-callback tests).
Build clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): mark-paid uses remaining_amount as default payment, not total

Real correctness fix from Swedish-compliance review on PR #455. When no
customLines is supplied, mark-paid previously defaulted paymentAmount to
typed.total. Combined with the race-condition guard that allows the
status UPDATE to flip a partially_paid invoice to paid, this could
over-credit AR in a race scenario:

1. Invoice in 'sent' status, total=12500, remaining=12500.
2. Concurrent partial payment lands first → status='partially_paid',
   remaining=7500.
3. The full-payment request's pre-flight saw 'sent' and passed; its
   UPDATE matches partially_paid (race guard allows it). With the old
   logic the journal entry was for total=12500 against an AR balance
   of only 7500 — a 5000 over-credit.

Using remaining_amount as the default eliminates this. Same end state
in the common case (no prior partial); correct booking in the race.

3197/3197 vitest pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 23:52:18 +02:00
Jakob WennbergandClaude Opus 4.7 e4186523f9 feat(api): v1 invoice :mark-sent action verb (Phase 2 PR-B-2b-1) (#454)
* feat(api): v1 invoice :mark-sent action verb (Phase 2 PR-B-2b-1)

First invoice action verb. Transitions a DRAFT invoice to 'sent' status —
intended for invoices delivered outside gnubok (Peppol, postal, custom
SMTP). The full :send pipeline (PDF + email) builds on top of this in
PR-B-2b-3.

URL convention: plain /verb subpath (e.g. /invoices/:id/mark-sent), not
the AIP-style :verb suffix the plan originally proposed. Next.js routes
don't support `:` in folder names, and the Stripe/QuickBooks idiom is
plain subpaths anyway. The agent-facing docs can still describe the
action however we want.

What happens on commit:
1. F-series invoice_number allocated atomically via the
   generate_invoice_number RPC (per the PR-B-2a design — drafts have
   invoice_number=null until this transition, preserving the unbroken
   löpnummer series required by ML 17 kap 24§ p.2).
2. Status flips draft → sent.
3. For accrual + real invoices, posts the invoice journal entry via
   createInvoiceJournalEntry (Debit AR 1510 / Credit revenue 3xxx /
   Credit output VAT 26xx). Cash basis skips this; booking happens at
   payment time.
4. Writes journal_entry_id back onto the invoice row.
5. Emits invoice.sent.

Race-condition guard: the status update matches .eq('status', 'draft'),
so a concurrent transition between pre-flight and update returns 409
INVOICE_UPDATE_NOT_DRAFT.

Dry-run: returns a preview of the post-send invoice state including a
would_create_journal_entry flag and the resolved accounting_method.
invoice_number can't be predicted exactly (atomic sequence allocation)
so the preview shows a marker rather than a fake number.

PDF archival is deliberately NOT in this PR. The internal route does
it, but PDF rendering + document upload is a meaningful surface area
that belongs with :send (PR-B-2b-3) where email + PDF land together.

Test infrastructure: the makeFlexibleSupabase mock now supports
per-table result QUEUES (array form returns results in order across
multiple calls; single value returns same result every time). Required
to mock the pre-flight read (status=draft) and post-update read
(status=sent) on the same `invoices` table inside one request.

9 new tests covering happy path, idempotency, scope, draft-only guard,
delivery-note rejection, 404, UUID validation, dry-run preview shape,
and cash-method skip. 3174/3174 vitest pass; build clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): address PR #454 review (Greptile + swarm + Swedish compliance)

Real bugs / contract violations:

- Greptile P1 (guard order): the delivery_note guard ran AFTER the
  status check, so a sent delivery note returned 409 instead of the
  documented 400. Reordered: document-shape guards (delivery_note +
  credit_note + missing moms_ruta) now run before the status check.
- Greptile P1 (journal_entry_id write-back): Supabase returns
  { data, error } and never rejects on DB errors, so a write-back
  failure produced no log and left the invoice with a real journal
  entry but no pointer. Now destructured + escalated to error log AND
  surfaced as a warning in the response.
- Swedish: credit notes (credited_invoice_id !== null) were not
  rejected — they would have been posted via createInvoiceJournalEntry
  with the wrong sign (Debit AR / Credit revenue instead of the
  inverse). Now explicitly rejected; credit-note path goes through
  POST /:id/credit (PR-B-2b-4).
- Swedish: moms_ruta now validated in the pre-flight. A null value
  would silently default to 25% domestic in the journal-entry
  generator — wrong for reverse-charge / EU-service / zero-rated
  invoices. Real ML 17 kap 24§ concern.

Partial-state visibility (Swedish + Swarm V2.3 + A.8.15 + PI1.3):

The response now carries an optional `warnings: [{ code, message }]`
field when the status flip succeeded but a follow-up step failed
(journal entry creation, event emission, or journal_entry_id write-
back). Three warning codes:
  - JOURNAL_ENTRY_NOT_POSTED — verifikation missing; BFL 5 kap
    reconciliation required
  - JOURNAL_ENTRY_ID_WRITEBACK_FAILED — entry exists but invoice row
    has no pointer
  - EVENT_EMIT_FAILED — webhook subscribers may miss this transition
All three escalate to error-level logs. The architectural fix
(transactional Postgres RPC that bundles allocation + status flip
+ journal entry) is tracked as cross-surface compliance work; the
warnings field is the agent-facing signal until that lands.

The F-series race window (number allocated before status flip; a
concurrent transition can leave a consumed-but-orphaned number, ML
17 kap 24§ p.2 gap) is now explicitly documented in the route
docstring rather than hidden in implementation. Same residual issue
exists in the internal route; fix needs the transactional RPC.

Pushing back (consistent with prior triage):
- V8.2.1 explicit ownership check (wrapper handles — false positive)
- Cross-tenant IDOR test (duplicates wrapper test coverage)
- Pseudonymise IDs in logs (operational value > theoretical risk)
- Structured audit event sink (current ctx.log.info IS structured)
- Test fixture A.8.33 (NODE_ENV guard in place; Acme AB is canonical
  synthetic placeholder)
- Projection column narrowing (fields ARE used in the flow)
- company_settings hard-fail on miss (accrual default is normal)

3 new tests covering credit-note rejection, missing moms_ruta, and
the journal-entry-failed warnings path. Plus the delivery-note test
now asserts the guard ordering works for sent delivery notes too.
3177/3177 vitest pass; build clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 23:19:21 +02:00
Jakob WennbergandClaude Opus 4.7 d29b87fb80 feat(api): v1 customer writes (Phase 2 PR-B-1) (#452)
* feat(api): v1 customer writes (Phase 2 PR-B-1)

First slice of Phase 2 PR-B from the agent-native v1 plan. Customer writes
are the simplest write surface — no journal entries, no PDF, no email —
which makes them the right place to validate the dry-run + idempotency
pipeline before applying it to invoice flows in PR-B-2.

New endpoints:
- POST   /api/v1/companies/:companyId/customers       (idempotent, dry-runnable)
- PATCH  /api/v1/companies/:companyId/customers/:id   (idempotent, dry-runnable)
- DELETE /api/v1/companies/:companyId/customers/:id   (soft-delete via
        archived_at; idempotent re-archiving; dry-runnable; 204)

All three require customers:write scope (added to V1_ENDPOINT_SCOPES). All
three require Idempotency-Key (mandatory — wrapper option
requireIdempotencyKey: true). All three accept ?dry_run=true or
X-Dry-Run: true and return a 200 OK preview with X-Dry-Run header set.

New shared infrastructure:
- lib/api/v1/dry-run.ts — dryRunPreview() (validation-only, no staging) and
  dryRunStaged() (financial writes; populated in later phases). Defines the
  preview response shape that POST/PATCH/DELETE share. Future financial
  writes (invoices, journal entries) will reuse the staged variant.

Pre-existing PR-A bugs fixed:
- CustomerType enum in customers/route.ts had wrong values ('business',
  'eu_individual', 'non_eu'). Canonical enum is ['individual',
  'swedish_business', 'eu_business', 'non_eu_business']. Fixed.
- INDIVIDUAL_TYPES masking referenced non-existent 'eu_individual'.
  Only 'individual' refers to a natural person (Swedish sole trader where
  org_number = personnummer).

Wrapper bug fix:
- The idempotency body-hashing flow was consuming the original request's
  body before passing it to the handler. In Node's vitest environment the
  cloned request's body became empty, so the handler's request.json()
  returned {}. Fix: read body from a clone for hashing, leave the
  original intact for the handler.

VIES re-validation on PATCH preserves existing best-effort behaviour.
Customer.created event emission on POST so future webhook delivery
(Phase 2 PR-C) can subscribe.

23 new tests covering happy path, dry-run preview, idempotency-key
enforcement, scope checks, UUID validation, duplicate-org conflict,
soft-delete semantics. 3150/3150 vitest pass; build clean; lint clean
on v1 paths.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): address PR #452 review (Greptile + swarm + Swedish compliance)

Real bugs (all reviewers agreed):
- POST registerEndpoint example used the old customer_type 'business'
  enum value that this PR was already fixing. Now uses 'swedish_business'
  consistently between code, schema, and docs.
- DELETE docstring claimed "Refuses to delete if open invoices remain"
  but the handler unconditionally archived. Swedish compliance flagged
  this as a real ML 17 kap 24§ concern (archived customer + open
  invoice can block kreditfaktura issuance). Added the pre-flight check:
  DELETE now returns 409 CUSTOMER_HAS_INVOICES with the open count when
  any open invoice (sent / partially_paid / overdue) references the
  customer. Docstring updated to match.
- PATCH advertised archived_at: null for un-archive but did not actually
  apply it (field missing from updateData iteration). New
  V1PatchCustomerSchema extends UpdateCustomerSchema with archived_at
  restricted to literal null — agents can un-archive but cannot fake
  archive timestamps. The PATCH allowlist now includes archived_at.

Defensive cleanups:
- POST: VIES validation now resolves BEFORE the insert so
  vat_number_validated is set atomically in the primary write. Eliminates
  the stale-response window where the response could show
  vat_number_validated=false even though the secondary update succeeded.
- PATCH: same pattern — VIES re-validation folded into the primary
  update payload. Single round-trip; response always reflects committed
  DB state.
- CUSTOMER_RESPONSE_COLUMNS dropped vat_number_validated_at (internal
  timestamp; not declared in the CustomerCreated or CustomerDetail Zod
  schemas; no documented consumer).

Pushing back on:
- V8.2.1 cross-tenant membership check — false positive. The wrapper
  performs the company_members check before invoking the handler
  (lib/api/v1/with-api-v1.ts ~232). The swarm read handlers in isolation.
- A.8.11 PATCH response masking for individual customer_types —
  deliberate detail-endpoint carve-out per PR-A. List masks, detail
  doesn't; that's the design.
- CC6.3 separate customers:delete scope — every accounting API
  (Stripe, QuickBooks, Fortnox) conflates write + archive. Splitting
  violates principle of least surprise.
- V4.5 schema allowlist enforcement — Zod already strips unknown keys;
  defense-in-depth at the DB-write layer is redundant.
- A.5.34 eu_individual masking documentation — the value never existed
  in canonical CustomerTypeSchema; PR-A's enum was a hallucination this
  PR corrects. Nothing to document beyond the code comment that's now
  in place.
- Swedish: country default 'Sweden' wrong for non-Swedish customer types —
  breaking schema change; defer.
- Swedish: VAT-format regex pre-check before VIES — internal
  /api/customers route doesn't either; consistency over micro-validation.
- Swedish: flag existing reverse-charge invoices when VIES turns
  vat_number_validated=false — substantial cross-resource workflow;
  defer to PR-B-2 or a dedicated compliance-tooling PR.
- CC7.2 customer.updated / customer.archived event emission — adding new
  event types touches lib/events/types.ts AND the event-log-handler
  allowlist; defer to PR-C where webhooks will be the consumer.

3 new tests cover: archive-blocked-by-open-invoices, PATCH archived_at
un-archive, PATCH archived_at rejects non-null. 3153/3153 vitest pass;
build clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): second-pass review on PR #452 — defense-in-depth tweaks

Two small adjustments after the second compliance-swarm sweep (13 →
expected 11 findings, 0 blocking after this commit):

- GDPR Art.5(1)(c) defense-in-depth: re-add 'eu_individual' to the
  INDIVIDUAL_TYPES masking set in the customer LIST handler. The value
  is not in the canonical CustomerTypeSchema (so new customers can never
  have it), but the `customer_type` DB column carries no CHECK constraint,
  so legacy rows from earlier schema iterations could in principle hold
  it. Masking is free when the value never appears and protective if it
  ever does. Adding 'eu_individual' as a first-class customer_type for
  EU natural persons remains a separate product decision the Swedish
  compliance review surfaced.

- ISO 27001:2022 A.8.33: test bootstrap now asserts NODE_ENV === 'test'.
  Supabase clients are fully mocked, but if a future test refactor
  accidentally bypassed the mock, this guard fails the run rather than
  letting fixtures reach production.

Stale comments from prior sweep — no action needed, fixes already in
commit 5bb63489:
- Greptile P1 "DELETE doesn't check open invoices" — handler now does
  (lines ~430-440 of [id]/route.ts); the inline comment is pinned to
  the original file lines and hasn't auto-resolved.
- Greptile P1 "PATCH archived_at silently ignored" — V1PatchCustomerSchema
  now accepts archived_at: z.null().optional() and the field is in the
  iteration list.
- Greptile P1 "example uses old enum" — updated to 'swedish_business'.

False positive called out:
- OWASP V2.4 "dry-run DELETE skips the open-invoice pre-check" — the
  pre-flight runs BEFORE the dry-run branch ([id]/route.ts ~430-445),
  so dry-run DELETE on a customer with open invoices DOES return 409.

Pushing back (consistent with first-pass triage):
- V8.2.1 × 3 cross-tenant check — wrapper does it (with-api-v1.ts ~232);
  false positive.
- V2.3 / CC6.3 archive scope split — every accounting API conflates
  write + archive.
- V4.5 customer_type cross-field invariants — schema-level cross-field
  validation; defer.
- V16 transactional outbox — architectural; defer to PR-C webhooks.
- Art.25 + A.5.12 + A.5.34 PATCH/dry-run preview masking — single-record
  detail context, deliberate carve-out per PR-A.
- Swedish 'disputed' status — not in canonical InvoiceStatus enum.
- Swedish 3-state VIES validation, personnummer-format check, mandatory
  country for non-SE types — all schema-level / cross-field; defer.

3153/3153 vitest pass; build clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): don't echo org_number in 409 conflict response (GDPR Art.5(1)(c))

For customer_type='individual', org_number IS the Swedish personnummer.
The 409 CUSTOMER_DUPLICATE_ORG_NUMBER error detail previously included
the submitted value, transmitting it through:
  - The HTTP response body
  - Server / observability logs
  - Any HTTP intermediary recording bodies

The caller already knows what they submitted; the error code + a
{ field: 'org_number' } hint is enough. Drops the value from the detail
in both POST /customers and PATCH /customers/:id.

3153/3153 tests still pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 22:31:46 +02:00
Jakob WennbergandClaude Opus 4.7 32ad6da28c feat(api): v1 invoice + customer reads (Phase 2 PR-A) (#451)
* feat(api): v1 invoice + customer read endpoints (Phase 2 PR-A)

First slice of the Phase 2 invoices vertical. Read-only endpoints landing
in this PR; writes + webhooks land in PR-B and PR-C. After all three a
developer can ship an end-to-end invoicing integration.

New endpoints (all wrapped, scoped, cursor-paginated):
- GET /api/v1/companies/:companyId/invoices       — list, filters: status, customer_id, document_type, currency. Cursor on (invoice_date DESC, id DESC). Customer name embedded inline; ?expand=customer for full record, ?expand=items for line items.
- GET /api/v1/companies/:companyId/invoices/:id   — detail with embedded customer. ?expand=items,payments.
- GET /api/v1/companies/:companyId/customers      — list, filters: customer_type, search (name/org_number prefix), include_archived. Cursor on (created_at ASC, id ASC).
- GET /api/v1/companies/:companyId/customers/:id  — detail. ?expand=invoices embeds open invoices in a single round-trip.

Shared infra:
- lib/api/v1/expand.ts — parseExpand() validates ?expand=a,b,c against a per-endpoint allowlist; unknown keys yield VALIDATION_ERROR with the full invalid list and the allowlist (agent-friendly).
- All four routes register with the Zod schema registry so they show up in /api/v1/openapi.json with x-action-risk and use-when / do-not-use-for metadata.
- Compound keyset filter on both list endpoints (per Greptile review on PR #450) — no skipped or duplicated rows on page boundaries.

Tests:
- lib/api/v1/__tests__/expand.test.ts (8 tests)
- app/api/v1/companies/[companyId]/invoices/__tests__/route.test.ts (10 tests)
- app/api/v1/companies/[companyId]/customers/__tests__/route.test.ts (8 tests)

Full repo suite green (3127/3127), build clean, lint clean on v1 paths.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): address PR #451 review (Greptile + compliance swarm)

- Greptile P1 (customers search) + OWASP V1.2.5: customer search term now
  escapes both PostgREST .or() delimiters (,()) AND SQL LIKE wildcards
  (% _ \). '100%' searches for the literal string instead of any
  customer containing '100'.
- OWASP V8.2.1 + V16.1: detail endpoints now UUID-validate the :id path
  param before touching the database, and no longer echo the raw id in
  the NOT_FOUND response details. Adds a structured warn log on 404 with
  the queried (id, companyId) for audit purposes.
- V4.5 + Art.25(1) + A.8.3 / A.8.11 + CC6.3 + PI1.3 (~12 findings): every
  select('*') replaced with explicit column lists per the documented Zod
  schemas. Includes joined sub-queries — customer:customers(...),
  items:invoice_items(...), payments:invoice_payments(...). Future
  schema migrations adding sensitive columns must now update these
  projections before the field becomes visible on the public API.
- A.8.5: hardcoded 'Bearer gnubok_sk_x' in test fixtures replaced with
  'Bearer test-fixture-not-a-real-key' to avoid false-positive secret
  scanner alerts. Fixture UUIDs upgraded to valid v4 format (Zod 4's
  .uuid() enforces version+variant digits).
- Art.5(1)(f): customer-invoices expansion soft-degrade now logs only
  the error code + message rather than the full Supabase error object.

Pushing back on:
- Art.5(1)(b) org_number in customer list — Bolagsverket-public data
  (same triage as PR #450; required by integration use case)
- Art.25(2) customer_name always-joined — denormalising via trigger is
  a real schema migration for a marginal data-flow gain
- A.8.15 _partial flag on soft-degrade — ?expand is documented as a hint

50/50 v1 tests; 3131/3131 full suite; build clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): second-pass review on PR #451 — partial_expansions + fake fixtures

Address the residual compliance-swarm findings after the first fix round:

- CC6.1 (medium): the customer-detail handler now sets
  meta.partial_expansions=['invoices'] when the ?expand=invoices subquery
  fails, signalling the degraded response to the caller without escalating
  to error-level logs (alert fatigue). The primary resource still returns
  with an empty invoices array. New ResponseOptions.partialExpansions
  threaded through buildMeta(). 1 new test for the failure path, plus
  a happy-path assertion that the flag is absent.
- A.8.33 (low): SAMPLE_CUSTOMER fixture's org_number and vat_number
  replaced with 'TEST-0000-0001' / 'SETEST00000001' — cannot be confused
  with real Bolagsverket entries or pass external VIES validation.

Pushing back on:
- CC6.3 (medium) — separate scope for ?expand=items on invoices: every
  accounting API I know (Stripe, QuickBooks, Fortnox) treats line items
  as part of the invoice resource. Splitting would violate principle of
  least surprise for integrators; the plan deliberately treats
  invoices:read as covering the full invoice including items.

3132/3132 vitest pass; build clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): third-pass review on PR #451 — PII minimisation refinements

Third compliance-swarm sweep (6 → 0 highs, 4 medium, 2 low). Addressed:

- Art.5(1)(c) personnummer leakage: customer LIST response now masks
  org_number AND vat_number for customer_type IN ('individual',
  'eu_individual') — for sole traders (enskild firma) org_number IS the
  personnummer. Business customers' Bolagsverket-public org_numbers stay
  visible. Detail endpoint (deliberate single-record fetch) unchanged.
- Art.5(1)(c) over-broad invoice-list expansion: ?expand=customer on
  the invoice LIST endpoint now uses a new CUSTOMER_LIST_CONTEXT_COLUMNS
  projection (id, name, customer_type, email, country, archived_at) —
  full address/phone/notes/vat_number stay on the customer DETAIL
  endpoint. Drops PII transmitted in bulk-list contexts by ~60%.
- A.8.15 permission-error differentiation: customer-detail soft-degrade
  for ?expand=invoices now bumps Postgres error class 42 (insufficient
  privilege, RLS denial) to error-level log so Sentry alerts on
  misconfigurations. Transient errors stay at warn.
- PI1.1 ISO-4217 currency: invoice list ?currency now requires
  /^[A-Z]{3}$/ instead of accepting any 3-8 char string. Two new tests.

Pushing back on:
- Art.5(1)(f) UUID logging on 404 — UUIDs have 122 bits of entropy; you
  cannot enumerate the space, so the "log scraping = enumeration" framing
  doesn't hold. Operational audit value > theoretical risk.
- Art.25(1) notes-by-default in customer DETAIL — kept inline. Detail
  is a deliberate single-record fetch; the dashboard shows notes inline;
  agents calling /customers/{id} reasonably expect them. Notes are
  already excluded from the LIST endpoint AND from the invoice-list
  ?expand=customer projection (above).

3135/3135 vitest pass; build clean.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 21:49:22 +02:00
Jakob WennbergandClaude Opus 4.7 db592d922d feat(api): v1 REST API foundation — auth wrapper, scopes, registry, smoke endpoints (#450)
* feat(api): v1 REST API foundation — auth wrapper, scopes, registry, smoke endpoints

Lay the substrate for the public REST API at /api/v1/*: Bearer-auth wrapper
that reuses the existing api_keys + idempotency machinery, an extended scope
catalogue (companies, events, webhooks, operations, documents, compliance),
v1 response envelopes (data + meta with request_id, api_version, audit block,
cursor pagination), an error envelope with recovery_hint / docs_url /
valid_alternatives derived from the existing structured-error registry, and
a Zod schema registry that generates the OpenAPI 3.1 spec with x-action-risk
/ x-idempotent / x-reversible / x-dry-run-supported extensions.

Ships discovery routes (/llms.txt, /.well-known/skills/index.json) and three
smoke endpoints (GET /api/v1/health, /api/v1/companies, /api/v1/openapi.json)
so the wrapper is exercised end-to-end. Includes the api_keys.mode (test|live)
migration and 41 unit tests covering auth, scope, company-membership,
idempotency replay, dry-run, pagination, response shape, and scope resolution.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): harden v1 foundation — cursor validation, security headers, forensic logs

Address compliance-swarm findings on PR #450:

- OWASP V2.3: decodeDefaultCursor now validates the cursor's ts as ISO 8601
  and id as UUID. A crafted cursor previously could inject untyped strings
  into a query's .gt(field, value); PostgREST would have rejected them, but
  validating here keeps the failure mode predictable (stale cursor → reset)
  rather than 400-ing.
- OWASP V3.4: public discovery routes (llms.txt, .well-known/skills,
  openapi.json) now stamp X-Content-Type-Options: nosniff, Referrer-Policy,
  X-Frame-Options: DENY. New lib/api/v1/security-headers.ts helper.
- OWASP V16: security event logs (missing token, validation failure,
  insufficient scope, company-membership deny) now include source IP
  (x-forwarded-for / x-real-ip) and User-Agent for forensic correlation.
- OWASP V8.2.1 / ISO A.8.3: GET /api/v1/companies emits a warn log when the
  PostgREST archived_at filter unexpectedly returns a row with a null
  company join, surfacing silent data-integrity regressions instead of
  hiding them behind the existing pickCompany() === null filter.

Pushing back on (not changed):
- GDPR Art.32 cursor HMAC signing — cursors only paginate within a user's
  own user_id scope; cross-tenant probe surface doesn't exist yet.
- GDPR Art.25 org_number in list — Bolagsverket public-record data, removing
  forces N+1 fetches to make the response useful.
- SOC 2 CC6.3 service-role bypasses RLS — defense-in-depth IS the design;
  the wrapper's company_members membership check is the technical control.
- ISO A.8.12 public OpenAPI spec — intentional, mirrors Stripe/Twilio.

5 new pagination tests cover the cursor validators. 46/46 v1 tests pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(auth): detect Supabase duplicate-signup obfuscation on register

Supabase obfuscates duplicate signups to prevent user enumeration: when an
email already belongs to a confirmed account, signUp returns data.user with
identities: [] and no error, and sends no email. Without detecting this case
we showed the "check your email" screen to the user, who then waited for a
mail that never arrived.

Detect the empty-identities response and surface it via duplicateEmail state
so the UI can branch on it.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): second-pass hardening — CSP, IP truncation, cursor scope comment

Address the second compliance-swarm sweep on PR #450:

- OWASP V3.2: PUBLIC_SECURITY_HEADERS now includes Content-Security-Policy
  default-src 'none'; frame-ancestors 'none'. Free win for JSON/text-only
  public routes (no script, style, image, or form contexts).
- GDPR Art.5(1)(f): truncate IPs before logging — IPv4 to /24, IPv6 to /48.
  Preserves diagnostic value (ASN, abuse-pattern correlation, city-level
  geolocation) while eliminating point-of-presence identification. Standard
  pattern used by Google Analytics anonymize_ip. Exported truncateIp() so
  other surfaces can adopt it.
- OWASP V8.2.1: explicit comment in GET /api/v1/companies documenting that
  the cursor's joined_at is applied AFTER user_id filter, so a tampered
  cursor can only reorder rows the caller already owns. Cursors deliberately
  unsigned; trade-off documented.

Pushing back on second-pass findings (not changed):
- ISO A.8.12 / SOC 2 CC6.3 health/llms.txt/skills exposing service name +
  API version + MCP URL — these are intentional disclosures for a public
  3rd-party developer API; hiding them is theatre.
- GDPR Art.32 logging granted scopes on INSUFFICIENT_SCOPE — diagnostic
  value during incident response outweighs the theoretical privilege-profile
  leak; an attacker who already breached the log store has bigger problems.
- OWASP V2.2 route-level Zod for cursor — decodeDefaultCursor already
  validates strictly; route-level Zod is stylistic.
- GDPR Art.25(2) org_number/entity_type in list — Bolagsverket-public data;
  entity_type materially affects which API calls make sense.
- ISO A.8.15 x-forwarded-for trusted-proxy CIDR — overkill behind Vercel's
  edge which rewrites the leftmost value.

50/50 v1 tests pass (4 new for truncateIp). Build green.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): third-pass hardening — Host header injection, anon client, HSTS

Address the third compliance-swarm sweep on PR #450:

- SOC 2 CC6.1 (3× high): llms.txt, openapi.json, and .well-known/skills
  built URLs from the inbound Host header. A spoofed Host could poison
  agent discovery with attacker-controlled endpoints. New
  lib/api/v1/base-url.ts centralises canonical base-URL derivation via
  NEXT_PUBLIC_APP_URL (already a required env var per CLAUDE.md).
- ISO A.8.2 / A.8.5 (2× high): the wrapper's public-scope code path now
  uses an anon-key Supabase client (RLS-respecting) instead of the
  service-role client. A future accidental DB call from a public handler
  is constrained to anon-accessible rows. Least-privilege at the
  infrastructure layer.
- OWASP V3.2 (medium): PUBLIC_SECURITY_HEADERS now includes
  Strict-Transport-Security: max-age=31536000; includeSubDomains.
- GDPR Art.5(1)(f) (medium): truncateIp now logs a warn when a non-empty
  x-forwarded-for / x-real-ip payload fails to parse, surfacing spoofed
  or unexpected proxy values to security monitoring instead of silently
  dropping them. The raw value is never logged.
- CC2.3 (low): llms.txt now links the SECURITY.md disclosure policy with
  the security@arcim.io reporting address so agents have a clear
  responsible-disclosure path.

Pushing back on third-pass findings (not changed):
- Cursor HMAC signing — user_id filter is the authorisation boundary;
  cursor scope is bounded to within-user rows. Documented in code.
- org_number in companies list — Bolagsverket public data; the swarm's
  "could be enskild firma personnummer" framing isn't accurate (enskild
  firma org_number IS the personnummer, but it's already in the public
  Bolagsverket business register).
- Health endpoint information disclosure — intentional for a public
  developer API; matches Stripe/Twilio convention.
- llms.txt / skills index MCP URL disclosure — that's the file's purpose.
- Cache-Control public on discovery routes — content is by definition
  public; getCanonicalBaseUrl() removes the previous spoof concern.
- Duplicate-email screen — user's own input; out of scope for this PR.

50/50 v1 tests pass; @supabase/supabase-js#createClient mocked so the
public-path tests don't need real env vars.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(test): widen validateApiKey result assertions to include mode field

The core-only CI job failed on two pre-existing api-keys.test.ts assertions
that used strict toEqual matching against the old (userId, companyId, scopes)
shape. The wrapper migration in this PR widened that shape with mode,
apiKeyId, and apiKeyName.

Update both existing assertions to match the current shape and add a third
test that exercises the mode='test' path. 3027/3027 vitest tests now pass
locally.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): fourth-pass hardening — env guards, IP range check, headers on wrapped routes

Address the fourth compliance-swarm sweep on PR #450:

- ISO A.5.17 / SOC 2 CC6.1 (high): createAnonClient now fails closed with
  an explicit Error if NEXT_PUBLIC_SUPABASE_URL or _ANON_KEY are missing,
  surfacing misconfiguration on the first request instead of throwing
  deeper in the handler with no context.
- GDPR Art.5(1)(f): truncateIp now rejects IPv4 with out-of-range octets
  (>255). '999.999.999.999' now returns undefined instead of a pseudo-IP
  that would pollute abuse-pattern analysis. Edge octets (0, 255) still
  accepted. 2 new tests.
- OWASP V3.2 / V3.3: the wrapper's stampHeaders step now applies the full
  security header set to every wrapped v1 response (CSP, HSTS, X-Frame,
  Referrer-Policy, X-Content-Type-Options) PLUS X-Robots-Tag: noai,
  noimageai so authenticated payloads are excluded from AI training sets.
  Public discovery routes (llms.txt, skills index, openapi.json)
  deliberately omit X-Robots-Tag — being AI-discoverable is the whole
  point of those surfaces.
- New WRAPPED_RESPONSE_HEADERS export separates the two contexts.

Pushing back on:
- SOC 2 CC6.1 medium "API key prefix in public docs aids brute force" —
  inverted logic. Every public API publishes its key prefix specifically
  so secret scanners (GitHub Advanced Security, GitLeaks) can detect
  leaks. Stripe (sk_live_), GitHub (ghp_), OpenAI (sk-) all do this.
- SOC 2 CC6.3 medium "formal risk register for unsigned cursors" — org
  -level documentation, outside this PR. Code-comment already documents
  the trade-off.
- SOC 2 CC2.3 low "llms.txt hardcodes security@arcim.io" — same address
  as SECURITY.md; no drift risk.

Flagged separately (not changed): the register-page duplicate-email
detection in this branch defeats Supabase's user-enumeration obfuscation
(GDPR Art.5(1)(c) × 2, ISO A.8.11). Substantive product decision: UX (no
infinite-wait for non-existent accounts) vs security (no enumeration).
GitHub and Stripe Atlas pick UX; some pick security. Owner's call.

3029/3029 vitest tests pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* fix(api): address Greptile review on PR #450

- P1 (companies/route.ts): keyset pagination was missing its tiebreaker.
  The cursor encoded (joined_at, id) but the filter only applied
  .gt('joined_at', ts) — same-joined_at rows on a page boundary could be
  skipped or duplicated. Also the encoded id was companies.id while the
  sort was on company_members, mismatched. Fixed: select + sort + encode
  on company_members.id, apply compound
  joined_at.gt.{ts} OR (joined_at.eq.{ts} AND id.gt.{cursor_id}) via .or().
  Side benefit — eliminates the broken-cursor-on-null-join case (#2)
  because company_members.id is always present, no null guard needed.
- P2 (registry.ts): ZodUnion branch had a dead ternary
  (['x','y','z','w'].length > 0 ? undefined : 'object') that always
  yielded undefined. Removed; emit { oneOf: [...] } without top-level
  type (correct JSON Schema for a union).
- P2 (with-api-v1.ts): public-endpoint path was short-circuiting before
  Bearer-token validation, contradicting the JSDoc and PR description.
  Now opportunistically validates a supplied token for rate-limit
  attribution + key tracking; missing/invalid token silently falls back
  to anon (the route is public by definition, so we don't 401). Two
  new tests cover both branches.

3031/3031 vitest tests pass; build green.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-12 20:47:13 +02:00