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accounted/lib/transactions
Jakob Wennberg 650c7be5e1 fix(bookkeeping): revive counterparty template learning (dead since the multi-tenant refactor) (#989)
* fix(bookkeeping): revive counterparty template learning, dead since the multi-tenant refactor (#865)

The learning half of counterparty templates has written nothing since
2026-03-30 (prod: 750 SIE imports, zero new templates). Two stacked bugs:

- The multi-tenant refactor re-scoped categorization_templates to
  company_id and the lib stopped writing user_id, but user_id kept its
  NOT NULL: every insert failed with a null violation that supabase-js
  returns rather than throws, so nothing was ever logged. Migration
  20260711100000 drops the NOT NULL and the dead user_id indexes.
- Four of six learning call sites (both categorize routes,
  categorize-core, the MCP server) passed the auth user id as companyId,
  so even with the column fixed the writes would fail FK/RLS and
  corrections could never find the template they were correcting.

Hardening while in here:

- insertOrUpdateTemplate now checks every write result, logs failures,
  and returns whether a row was written; populateTemplatesFromSieVouchers
  reports only templates actually persisted.
- Sign-mismatched matches (an incoming refund matching an expense-learned
  template) previously booked backwards: debit expense / credit bank for
  money coming IN. They are now mirrored into the correct refund shape
  (VAT leg reversed for deductible input VAT), flagged requires_review,
  and excluded from template/rule learning so a refund can never flip a
  learned template.
- Template amounts are computed from the SEK-resolved amount, so
  foreign-currency transactions no longer produce unbalanced multi-line
  entries (or VAT computed on foreign units).
- SIE extraction no longer hardcodes 25% for 2641 (rate-agnostic in BAS):
  the rate is inferred from voucher amounts and snapped to 25/12/6%, and
  reverse-charge counterparties learn vat_treatment='reverse_charge'
  instead of losing the RC legs (which also no longer poison the ratio
  base).
- New pg-real test locks the exact insert column set against the real
  schema, so a schema/code drift like this can't ship green again.

Closes #865

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* fix(bookkeeping): mirror fiktiv-moms legs on RC credit notes, exclude import VAT accounts from ratio base

Compliance-review follow-ups on #989:

- REVERSE_CHARGE_VAT_ACCOUNTS gains the import output-VAT accounts
  (2615/2625/2635), which pair with 2645 in import vouchers exactly like
  the RC pairs and must not shrink the business ratio base.
- A sign-mismatched match against a reverse_charge template (an RC
  supplier's credit note) now mirrors both fiktiv legs (credit 2645 /
  debit 2614) instead of booking gross, so Ruta 30/48 net back to zero.
  The income line-builder nets VAT credits against debit legs to keep
  the mirrored pair balance-neutral (identical result for all existing
  credit-only output-VAT paths).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* fix(types): CategorizationTemplate.user_id is nullable since 20260711100000 (CodeRabbit)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* fix(bookkeeping): use roundOre for the VAT netting, keep the ore-round ratchet at baseline

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

* fix(bookkeeping): review-gate stale 12% templates across the livsmedel transition, pattern-aware direction guard

Compliance-review round 2 on #989:

- Livsmedel VAT dropped 12% -> 6% on 2026-04-01 (Prop. 2025/26:55) while
  restaurang/hotell stay at 12%. A reduced_12 template whose
  last_seen_date predates the transition can no longer be trusted
  unreviewed: its match is flagged requires_review until a
  post-transition approval refreshes it (re-approval keeps 12%, a
  correction relearns 6%). Actively-confirmed 12% counterparties flow
  without friction.
- The opposite-direction correction guard now falls back to the line
  pattern's business sides when the legacy fields are both
  settlement-ish and cannot classify a multi-line template.
- Documented the accepted import-RC mirroring limitation (2614 vs 2615
  ruta attribution) and the netted-vatCredit precondition.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
2026-07-11 23:13:50 +02:00
..
2026-07-05 03:05:09 +02:00