Em dashes (—) and en dashes (–) had spread across comments, docs, tests, and a few UI strings, reading as AI-generated boilerplate rather than house style. Replaced each with punctuation matching its context: colon for explanatory clauses, comma for asides, plain hyphen for numeric/legal ranges (e.g. "21-23§"), "to"/"till" for date ranges, parentheses for paired-dash asides. messages/en.json and messages/sv.json were fixed by hand together to keep sv/en in sync. Left untouched where the dash is the functional subject rather than decorative punctuation: date-range-parser.ts's separator regex, charset-repair.ts's CP1252 byte-mapping table (and its test), the SIE encoding mojibake docs, generic-csv.ts's minus-sign normalizer, the agent system-prompt files that already instruct against em dashes, and a golden iXBRL test fixture compared byte-for-byte. Also fixes two bugs surfaced along the way: an off-by-one in ApiKeysPanel's scope-label split (a leftover from an earlier partial pass), and a charset-repair test that had lost the literal en-dash it exists to verify. Regenerated the agent atom seed migration (skills:generate) since 27 SKILL.md files changed. Added a CLAUDE.md rule against em/en dashes, with an explicit carve-out for the functional-dash cases above. Co-authored-by: Claude Sonnet 5 <noreply@anthropic.com>
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paths
| paths | |||||||
|---|---|---|---|---|---|---|---|
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i18n
The app is Swedish-first and bilingual (Swedish + English) for UI chrome. Locale is per-user on user_preferences.locale ('sv' | 'en', default 'sv'), resolved server-side via next-intl. The user picker lives at /settings/account.
Pattern for new UI:
// Server component
import { getTranslations } from 'next-intl/server'
const t = await getTranslations('namespace')
// Client component
'use client'
import { useTranslations } from 'next-intl'
const t = useTranslations('namespace')
// In JSX
<button>{t('save')}</button>
Add new strings to both messages/sv.json and messages/en.json under the matching namespace (common, nav, auth, settings, empty, etc.). Never ship an English key without a Swedish counterpart: Swedish is the default and the fallback.
Locale-aware formatters:
formatCurrency(amount): stays SEK with sv-SE conventions in BOTH locales (Swedish accounting standard, not a UI string).formatDate(date): ISOyyyy-MM-dd, locale-independent.formatDateLong(date, locale): accepts locale. In client components useuseFormat()(lib/hooks/use-format.ts) which pulls the active locale.
Error messages: getErrorMessage(err, { locale, context }) from lib/errors/get-error-message.ts is bilingual on the primary maps (Postgres codes, HTTP statuses, context fallbacks, generic fallback). The structured error envelope ({ error: { code, message, message_en } }) already carries both; the function picks the right one from locale. Pass useLocale() / getLocale() as the locale arg.
Stays Swedish: do NOT translate:
| Surface | Reason |
|---|---|
Invoice PDFs (lib/invoices/pdf-template.tsx) |
Customer-facing: driven by customer.language (sv default, en opt-in). The template's chrome translates; statutory chapter refs (ML 17 kap 24§, ML 3 kap.) stay intact in both locales. |
Customer email templates (lib/email/invoice-templates.ts, reminder-templates.ts) |
Same: customer.language drives the output. reminder-templates.ts is still Swedish-only; mirror the PDF/invoice-templates approach if you add English here. |
Year-end wizard (app/(dashboard)/bookkeeping/year-end/page.tsx) |
Statutory bokslut terminology; English would be misleading |
Journal entry editor (app/(dashboard)/bookkeeping/[id]/page.tsx) |
Deeply regulatory (verifikat, voucher numbers, BAS) |
INK2 / NE-bilaga / SRU (lib/reports/ink2/**, lib/reports/ne-bilaga/**, lib/reports/sru-*) |
Skatteverket forms: field codes and labels are statutory |
SIE export (lib/reports/sie-export.ts) |
SIE format is Swedish-only by spec (#KONTO, #VER, etc.) |
BAS chart names (lib/bookkeeping/bas-data/**) |
Standardized Swedish account names per BAS 2026 |
VAT declaration ruta labels (lib/reports/vat-declaration*.ts) |
Momsdeklaration field labels are Skatteverket form labels |
Salary AGI / KU (lib/salary/agi*, lib/salary/ku*) |
Skatteverket-bound forms |
| Bookkeeping engine domain errors ("Verifikationen balanserar inte", "Bokföringen är låst") | Regulatory concepts; English equivalents would be ambiguous |
Anything in the table above stays Swedish in BOTH locales. If you find yourself reaching for t() inside one of these files, stop and reconsider.