Feature/quick review scroll (#110)

* fix: allow scrolling in QuickReviewDialog when content overflows viewport

The dialog had no max-height or overflow handling, so tall content (e.g.
extern representation with warnings + journal preview) was clipped with
no way to scroll.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat: add detailed error logging to Enable Banking integration

Adds structured console logging with full context (status codes,
response bodies, connection IDs, account UIDs, stack traces) to all
Enable Banking operations: connect, callback, sync, disconnect,
and the API client retry/error paths.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat: add detailed error logging to login and register flows

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

* feat: implement KPI settings management with preferences and dynamic KPI display

---------

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

types/index.ts

@@ -2027,7 +2027,16 @@ export interface KPIReport {
   vatLiability: number             // SEK, ruta 49 (positive = owe, negative = refund)
   totalRevenue: number             // SEK
   totalExpenses: number            // SEK
+  grossMargin: number | null       // percentage, null if no revenue
+  expenseRatio: number | null      // percentage, null if no revenue
+  avgPaymentDays: number | null    // days, null if fewer than 5 paid invoices
   periodComplete: boolean          // whether selected period is closed/complete
   months: { label: string; income: number; expenses: number; net: number }[]
   period: { start: string; end: string }
 }
+
+export interface KPIPreferences {
+  visibleKpis: string[]
+  kpiOrder: string[]
+  accountOverrides: Record<string, string[]>
+}