Summen-Statistik der Kategorien

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app/api/ausgaben/stats/route.ts

@@ -56,6 +56,21 @@ export async function GET(request: Request) {
 
     const data = rows[0] || {};
 
+    // Per-category breakdown
+    const [katRows] = await pool.query<RowDataPacket[]>(
+      `SELECT Kat, SUM(Wieviel) as total
+       FROM Ausgaben
+       WHERE YEAR(Datum) = ? AND MONTH(Datum) = ? AND TYP = ?
+       GROUP BY Kat
+       HAVING total > 0
+       ORDER BY total DESC`,
+      [year, month, parseInt(typ)]
+    );
+    const katStats: Record<string, number> = {};
+    for (const row of katRows) {
+      katStats[row.Kat] = parseFloat(row.total) || 0;
+    }
+
     // Convert string values from MySQL to numbers
     const parsedData: any = {
       totalAusgaben: parseFloat(data.totalAusgaben) || 0,
@@ -77,7 +92,7 @@ export async function GET(request: Request) {
 
     return NextResponse.json({
       success: true,
-      data: parsedData,
+      data: { ...parsedData, katStats },
     });
   } catch (error) {
     console.error('Database error:', error);