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accounted/lib/transactions/__tests__
Mattsson fbe4e18730 feat(mcp): book on custom accounts via account_override; fix kontoplan settings link (#1608)
* feat(mcp): book on custom accounts via account_override; fix kontoplan settings link

gnubok_categorize_transaction only spoke a 19-category enum mapping to 21
hardcoded BAS accounts, so company-custom accounts (e.g. VMB) were
unreachable from the agent surface even when active in the chart.

- add account_override to gnubok_categorize_transaction with v1 REST
  semantics via a shared helper (lib/bookkeeping/account-override.ts):
  business-side replacement, class-2 auto-VAT drop with the 2610-2649
  moms-line exception, plus a same-account degenerate guard; validated at
  staging and re-validated at commit
- align the gnubok_create_voucher staging gate with the engine's seeding
  semantics: BAS 2026 accounts merely absent from the chart pass (the
  engine backfills them at commit) and the preview lists
  will_activate_accounts with BAS-name fallback; non-BAS unknown and
  inactive accounts still rejected
- stop suggest_categories silently dropping mapping rules whose account
  is outside the fixed category maps; they surface with the rule's own
  account and an explanatory match_reason
- correct the create_account next-step hint (categorize could never use
  the new account before; now true via account_override)
- point the settings "Kontoplan (BAS)" link at /chart-of-accounts and
  redirect the orphaned /bookkeeping?tab=accounts URL (tab removed in
  #850; the deep link never worked after the #854 merge collision)

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

* fix(mcp): address review findings on account_override

- commit executor rejects a present-but-malformed stored account_override
  loudly instead of degrading to the category default (CodeRabbit major;
  the approver approved a preview showing the override account); with
  commitPendingOperation regression tests
- accountToCategory returns null for unknown income accounts so custom
  income accounts get the same diagnostic as expenses (CodeRabbit minor),
  with income + reason-accumulation tests (CodeRabbit nit)
- pin the class-2 VAT-drop balance invariant with a test through
  buildTransactionEntryLines (Swedish compliance review: gross booking,
  never an unbalanced net + missing VAT leg)
- account_override description asks the agent to state the actual
  affärshändelse in notes when overriding (BFL 5 kap description concern)
- eventBus.clear() in the two new test suites (CodeRabbit minor)

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

* fix(mcp): never guess a moms leg onto an account_override without explicit VAT intent

Round-2 Swedish compliance finding: the class-2 VAT drop did not cover
margin-scheme (VMB) accounts in class 3/4, which are the override's
flagship use case, so a forgotten vat_treatment attached the category
default standard_25 and booked an ingående-moms deduction on a
transaction where input VAT is not deductible (ML 2023:200).

applyAccountOverride now takes explicit VAT intent (vat_treatment or
vat_amount present) and books GROSS with no auto-VAT line without it:
forgetting the flag under-deducts (lawful), never over-deducts. Both
call sites (MCP staging preview, commit core) derive the flag the same
way; the tool description states the enforced behavior. Deliberate
divergence from v1 REST recorded in DECISIONS.md.

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

* chore: move stray decision-log entry to the root DECISIONS.md

The round-2 entry was appended from the wrong working directory and
landed as lib/bookkeeping/__tests__/DECISIONS.md.

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

---------

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
2026-08-14 01:24:48 +02:00
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