feat: Token-Nutzung nach Quelle (Monitor/Globe) aufgeschluesselt

- Backend liefert usage_by_source im current-Endpoint
- Monatliche Tabelle zeigt Quelle-Badge (Monitor/Globe)
- Source-Split unter den Kosten-KPIs sichtbar

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

src/static/js/app.js

@@ -606,6 +606,14 @@ async function loadOrgTokenUsage(orgId) {
     el('tokenBudgetUsd', budget.token_budget_usd != null ? '$' + Number(budget.token_budget_usd).toFixed(2) : '-');
     el('tokenCostUsd', usage.total_cost_usd != null ? '$' + Number(usage.total_cost_usd).toFixed(2) : '-');
 
+    // Source-Split anzeigen
+    var bySource = current.usage_by_source || {};
+    var splitHtml = '';
+    if (bySource.monitor) splitHtml += '<span class="source-badge badge-monitor">Monitor</span> $' + Number(bySource.monitor.total_cost_usd).toFixed(2) + ' (' + bySource.monitor.api_calls + ' Calls) ';
+    if (bySource.globe) splitHtml += '<span class="source-badge badge-globe">Globe</span> $' + Number(bySource.globe.total_cost_usd).toFixed(2) + ' (' + bySource.globe.api_calls + ' Calls)';
+    var splitEl = document.getElementById('tokenSourceSplit');
+    if (splitEl) splitEl.innerHTML = splitHtml;
+
     const bar = document.getElementById('tokenBudgetBar');
     const percentEl = document.getElementById('tokenBudgetPercent');
     const percent = budget.credits_percent_used || 0;
@@ -622,8 +630,11 @@ async function loadOrgTokenUsage(orgId) {
     const tbody = document.getElementById('tokenMonthlyTable');
     if (tbody) {
       tbody.innerHTML = monthly.map(function(m) {
+        var srcLabel = (m.source || 'monitor') === 'globe' ? 'Globe' : 'Monitor';
+        var srcClass = (m.source || 'monitor') === 'globe' ? 'badge-globe' : 'badge-monitor';
         return '<tr>' +
           '<td>' + esc(m.year_month) + '</td>' +
+          '<td><span class="source-badge ' + srcClass + '">' + srcLabel + '</span></td>' +
           '<td>' + m.refresh_count + '</td>' +
           '<td>' + m.api_calls.toLocaleString('de-DE') + '</td>' +
           '<td>' + m.input_tokens.toLocaleString('de-DE') + '</td>' +