feat: BOC ledger-integration frontend + backend fixes

- Uppdatera robust_client.go med rätt tabellnamn (boc_chart_of_accounts, boc_journal_lines, boc_journal_entries)
- Uppdatera kolumnnamn (entry_id istället för journal_entry_id, account_code istället för code)
- Hantera både stora och små bokstäver för account_type
- Lägg till ledgerApi i frontend med BalanceSheet, IncomeStatement, MomsReport
- Uppdatera DashboardPage med Ledger KPI-kort
- Lägg till LEDGER_DB_URL i docker-compose.yml
- Uppdatera Dockerfile till golang:1.25-alpine

web-v2/src/lib/api.ts

@@ -104,6 +104,40 @@ export const financeApi = {
   cashflow: () => api.get<{ cashflow: unknown[] }>('/finance/cashflow'),
 }
 
+// Ledger (aamos-ledger integration)
+export interface LedgerAccount {
+  code: string
+  name: string
+  account_type: string
+  balance: number
+}
+
+export interface BalanceSheet {
+  assets: LedgerAccount[]
+  liabilities: LedgerAccount[]
+  equity: LedgerAccount[]
+  total_assets: number
+  total_liabilities: number
+  total_equity: number
+  period: string
+}
+
+export interface IncomeStatement {
+  revenues: LedgerAccount[]
+  expenses: LedgerAccount[]
+  total_revenue: number
+  total_expense: number
+  net_income: number
+  period: string
+}
+
+export const ledgerApi = {
+  accounts: () => api.get<{ accounts: LedgerAccount[] }>('/ledger/accounts'),
+  balanceSheet: (period?: string) => api.get<BalanceSheet>(`/ledger/balance-sheet?period=${period || ''}`),
+  incomeStatement: (period?: string) => api.get<IncomeStatement>(`/ledger/income-statement?period=${period || ''}`),
+  momsReport: (period?: string) => api.get<unknown>(`/ledger/moms?period=${period || ''}`),
+}
+
 // HR
 export const hrApi = {
   employees: () => api.get<{ employees: unknown[] }>('/hr/employees'),

web-v2/src/pages/DashboardPage.tsx

@@ -14,7 +14,7 @@ import {
 } from '@/components/ui/Table'
 import { Badge } from '@/components/ui/Badge'
 import { formatCurrency, formatDate } from '@/lib/utils'
-import { financeApi, salesApi, crmApi } from '@/lib/api'
+import { financeApi, salesApi, crmApi, ledgerApi } from '@/lib/api'
 import {
   DollarSign,
   Users,
@@ -60,17 +60,25 @@ export function DashboardPage() {
   const [customerCount, setCustomerCount] = useState(0)
   const [deals, setDeals] = useState<Deal[]>([])
   const [dealTotal, setDealTotal] = useState(0)
+  
+  // Ledger state
+  const [ledgerAssets, setLedgerAssets] = useState(0)
+  const [ledgerLiabilities, setLedgerLiabilities] = useState(0)
+  const [ledgerEquity, setLedgerEquity] = useState(0)
+  const [netIncome, setNetIncome] = useState(0)
 
   useEffect(() => {
     async function fetchData() {
       setLoading(true)
       setError('')
       try {
-        const [balanceRes, mrrRes, customersRes, dealsRes] = await Promise.all([
+        const [balanceRes, mrrRes, customersRes, dealsRes, ledgerBs, ledgerIs] = await Promise.all([
           financeApi.balance(),
           salesApi.mrr(),
           crmApi.customers(),
           salesApi.deals(),
+          ledgerApi.balanceSheet('2026-01').catch(() => null),
+          ledgerApi.incomeStatement('2026-01').catch(() => null),
         ])
 
         const b = balanceRes as { total_assets?: number }
@@ -84,6 +92,16 @@ export function DashboardPage() {
         const d = dealsRes as { deals: Deal[]; total: number }
         setDeals(d.deals || [])
         setDealTotal(d.total || 0)
+        
+        // Ledger data
+        if (ledgerBs) {
+          setLedgerAssets(ledgerBs.total_assets || 0)
+          setLedgerLiabilities(ledgerBs.total_liabilities || 0)
+          setLedgerEquity(ledgerBs.total_equity || 0)
+        }
+        if (ledgerIs) {
+          setNetIncome(ledgerIs.net_income || 0)
+        }
       } catch (err) {
         setError(err instanceof Error ? err.message : 'Failed to load dashboard data')
       } finally {
@@ -124,6 +142,37 @@ export function DashboardPage() {
       icon: <ShoppingCart size={18} />,
     },
   ]
+  
+  const ledgerKpis = [
+    {
+      label: 'Ledger Assets',
+      value: formatCurrency(ledgerAssets),
+      change: 0,
+      changeLabel: 'per balansräkning',
+      icon: <DollarSign size={18} />,
+    },
+    {
+      label: 'Ledger Liabilities',
+      value: formatCurrency(ledgerLiabilities),
+      change: 0,
+      changeLabel: 'per balansräkning',
+      icon: <TrendingUp size={18} />,
+    },
+    {
+      label: 'Net Income',
+      value: formatCurrency(netIncome),
+      change: 0,
+      changeLabel: 'per resultaträkning',
+      icon: <TrendingUp size={18} />,
+    },
+    {
+      label: 'Equity',
+      value: formatCurrency(ledgerEquity),
+      change: 0,
+      changeLabel: 'per balansräkning',
+      icon: <DollarSign size={18} />,
+    },
+  ]
 
   if (loading) {
     return (
@@ -158,6 +207,16 @@ export function DashboardPage() {
           <KPICard key={kpi.label} {...kpi} index={i} />
         ))}
       </div>
+      
+      {/* Ledger KPI Cards */}
+      <div className="mt-8">
+        <h2 className="text-lg font-semibold mb-4">Ledger (Bokföring)</h2>
+        <div className="grid grid-cols-1 sm:grid-cols-2 xl:grid-cols-4 gap-5">
+          {ledgerKpis.map((kpi, i) => (
+            <KPICard key={kpi.label} {...kpi} index={i} />
+          ))}
+        </div>
+      </div>
 
       {/* Infrastructure Health — Grafana Integration */}
       <Card>