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* feat(bookkeeping): show per-account saldo on journal entry form Adds a "Saldo" column to the journal entry form so bookkeepers can see the current balance of each account as of the entry date while drafting a voucher. Useful context for booking bank withdrawals, VAT clearings, and other balance-sensitive operations. - New GET /api/bookkeeping/account-balances?accounts=...&as_of=... returns per-account net (debit - credit) over posted entries up to and including the requested date. Batched in chunks of 200 entry IDs to stay under PostgREST IN-list limits. - JournalEntryForm fetches balances debounced 150ms on changes to the set of selected account numbers or the entry date; carries forward previously-known values so the cell doesn't flash to a skeleton on re-fetch. - Saldo is reference-only: it reflects "balance before this entry" and intentionally ignores the draft lines the user is currently editing. - Renders in both desktop (table column) and mobile (per-line caption) layouts. Tabular-nums, muted, right-aligned. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * fix(bookkeeping): correct saldo semantics — IB + period-only, BS vs P&L Address Swedish compliance review on PR #562: 1. P&L accounts (class 3-8) no longer show a since-inception cumulative sum. They reset each räkenskapsår per BFNAR 2013:2; the saldo now reflects current-period activity only, matching trial-balance semantics. BS accounts (class 1-2) continue to include IB. 2. Opening balances are now sourced via the canonical getOpeningBalances() helper, which reads the explicit opening_balance_entry_id set by year-end closing or SIE import. Previously, summing journal_entry_lines from inception returned 0 for SIE-imported companies whose IB lives in a separate entry that the old query happened to include — and the wrong value once year-end ran and an OB entry was set without exclusion logic. 3. Relabel "Saldo" -> "Saldo (före)" / "Balance (before)" so the UI communicates that the figure excludes the draft being edited (BFNAR 2013:2 kap 8 self-documentation requirement). 4. Stop forwarding raw Supabase error.message to the client; log server-side via the structured logger and return a generic 'Internal server error' to avoid leaking schema details. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * fix(bookkeeping): reject future as_of dates on account-balances endpoint Both compliance reviewers on PR #562 flagged this independently: a future as_of date would include posted entries dated after today in the activity window, producing a misleading "balance before this entry" hint that could drive incorrect verifikat entries (swedish-compliance-review-bot) or be used for future-date probing (SOC 2 PI1.1, GDPR Art.25(2)). - AccountBalancesQuerySchema.as_of now refines to <= today. - JournalEntryForm collapses the loading skeleton to 0 on any non-OK response so the saldo column doesn't get stuck spinning when a user enters a future entry_date (which the form's separate period validation already handles). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * fix(bookkeeping): compare as_of guard against Europe/Stockholm date swedish-compliance-review-bot caught this on the previous fix: the future-date guard used new Date().toISOString().slice(0, 10), which is UTC. Between 00:00–02:00 CET (or 00:00–03:00 CEST), a Swedish bookkeeper's local "today" is one day ahead of UTC, so entering their Stockholm-local date would be rejected as a future date. Compare against Europe/Stockholm-local date via toLocaleDateString ('sv-SE'), which renders YYYY-MM-DD natively, so string comparison remains correct across DST. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>