diff --git a/server.js b/server.js
index bd4a500..fb45b92 100644
--- a/server.js
+++ b/server.js
@@ -1,326 +1,6 @@
-require('dotenv').config();
-const express = require('express');
-const { Pool } = require('pg');
-const cors = require('cors');
-
-const app = express();
-const port = process.env.PORT || 80;
-
-// Database Connection
-const pool = new Pool({
-  host: process.env.DB_HOST,
-  port: process.env.DB_PORT,
-  user: process.env.DB_USER,
-  password: process.env.DB_PASSWORD,
-  database: process.env.DB_NAME,
-  idleTimeoutMillis: 30000,
-  connectionTimeoutMillis: 2000,
-});
-
-pool.on('error', (err) => {
-  console.error('Unexpected error on idle client', err);
-});
-
-// Middleware
-app.use(cors());
-app.use(express.json({ limit: '50mb' }));
-app.use(express.static(__dirname));
-
-// Helper to run the schema isolation command
+// Schema-Helper
 async function setSchema(client) {
-  await client.query(`SET search_path TO ${process.env.DB_SCHEMA}, public;`);
+  await client.query(`SET search_path TO wind_projekt_bwscheddebrock, public;`);
 }
-
-// Routes
-app.get('/api/health', (req, res) => {
-  res.json({ status: 'OK', time: new Date().toISOString() });
-});
-
-// 1. Get Owner Data
-app.get('/api/owners', async (req, res) => {
-  console.log("Anfrage erhalten: /api/owners");
-  const client = await pool.connect();
-  try {
-    await setSchema(client);
-    // 1. Log actual count in DB
-    const countRes = await client.query('SELECT count(*) FROM bw_scheddebrock."Eigentuemerdaten"');
-    console.log(`Datenbank-Check: ${countRes.rows[0].count} Eigentümer in bw_scheddebrock."Eigentuemerdaten" gefunden.`);
-
-    const query = `
-      SELECT 
-        *, 
-        ST_AsGeoJSON(ST_Transform(geom, 4326)) as geometry
-      FROM bw_scheddebrock."Eigentuemerdaten"
-    `;
-    const result = await client.query(query);
-    console.log(`Abfrage erfolgreich: ${result.rowCount} Zeilen für Frontend geladen.`);
-    
-    const geojson = {
-      type: "FeatureCollection",
-      features: result.rows.map(row => {
-        const { geometry, geom, ...properties } = row;
-        const geomObj = typeof geometry === 'string' ? JSON.parse(geometry) : geometry;
-        return {
-          type: "Feature",
-          id: row.id || row.id_0,
-          geometry: geomObj,
-          properties: properties
-        };
-      })
-    };
-    res.json(geojson);
-  } catch (err) {
-    console.error(err);
-    res.status(500).json({ error: 'Failed to fetch owner data' });
-  } finally {
-    client.release();
-  }
-});
-
-// 2. Get Usage Data (Nutzung)
-app.get('/api/usage', async (req, res) => {
-  const client = await pool.connect();
-  try {
-    await setSchema(client);
-    // 1. Log actual count in DB
-    const countRes = await client.query('SELECT count(*) FROM bw_scheddebrock."Nutzung"');
-    console.log(`Datenbank-Check: ${countRes.rows[0].count} Nutzungs-Flächen in bw_scheddebrock."Nutzung" gefunden.`);
-
-    const query = `
-      SELECT 
-        *, 
-        ST_AsGeoJSON(ST_Transform(geom, 4326)) as geometry
-      FROM bw_scheddebrock."Nutzung"
-    `;
-    const result = await client.query(query);
-    console.log(`Abfrage erfolgreich: ${result.rowCount} Zeilen für Frontend geladen.`);
-    
-    const geojson = {
-      type: "FeatureCollection",
-      features: result.rows.map(row => {
-        const { geometry, geom, ...properties } = row;
-        const geomObj = typeof geometry === 'string' ? JSON.parse(geometry) : geometry;
-        return {
-          type: "Feature",
-          geometry: geomObj,
-          properties: properties
-        };
-      })
-    };
-    res.json(geojson);
-  } catch (err) {
-    console.error(err);
-    res.status(500).json({ error: 'Failed to fetch usage data' });
-  } finally {
-    client.release();
-  }
-});
-
-// 2.5 Get WEA Data (Windturbinen)
-app.get('/api/wea', async (req, res) => {
-  const client = await pool.connect();
-  try {
-    await setSchema(client);
-    let result;
-    try {
-      result = await client.query(`
-        SELECT 
-          *, 
-          ST_AsGeoJSON(ST_Transform(geom, 4326)) as geometry
-        FROM bw_scheddebrock."WEA"
-      `);
-    } catch (dbErr) {
-      console.log("WEA Tabelle fehlt oder nicht abrufbar.");
-      result = { rows: [], rowCount: 0 };
-    }
-    
-    const geojson = {
-      type: "FeatureCollection",
-      features: result.rows.map(row => {
-        const { geometry, geom, ...properties } = row;
-        const geomObj = typeof geometry === 'string' ? JSON.parse(geometry) : geometry;
-        return {
-          type: "Feature",
-          geometry: geomObj,
-          properties: properties
-        };
-      })
-    };
-    res.json(geojson);
-  } catch (err) {
-    console.error(err);
-    res.status(500).json({ error: 'Failed to fetch WEA data' });
-  } finally {
-    client.release();
-  }
-});
-
-// 2.7 Get Infrastructure Data (UW, etc)
-app.get('/api/infrastructure', async (req, res) => {
-  const client = await pool.connect();
-  try {
-    await setSchema(client);
-    let result;
-    try {
-      result = await client.query(`
-        SELECT 
-          *, 
-          ST_AsGeoJSON(ST_Transform(geom, 4326)) as geometry
-        FROM bw_scheddebrock."Infrastruktur"
-      `);
-    } catch (dbErr) {
-      console.log("Infrastruktur Tabelle fehlt oder nicht abrufbar.");
-      result = { rows: [], rowCount: 0 };
-    }
-    
-    const geojson = {
-      type: "FeatureCollection",
-      features: result.rows.map(row => {
-        const { geometry, geom, ...properties } = row;
-        const geomObj = typeof geometry === 'string' ? JSON.parse(geometry) : (geometry || null);
-        return {
-          type: "Feature",
-          geometry: geomObj,
-          properties: properties
-        };
-      })
-    };
-    res.json(geojson);
-  } catch (err) {
-    console.error(err);
-    res.status(500).json({ error: 'Failed to fetch infrastructure data' });
-  } finally {
-    client.release();
-  }
-});
-
-// 3. Get Variants (Kabeltrasse)
-app.get('/api/variants', async (req, res) => {
-  const client = await pool.connect();
-  try {
-    await setSchema(client);
-    
-    // Log count
-    const countRes = await client.query('SELECT count(*) FROM bw_scheddebrock."Kabeltrasse"');
-    console.log(`Datenbank-Check: ${countRes.rows[0].count} Kabeltrassen in bw_scheddebrock."Kabeltrasse" gefunden.`);
-
-    const query = `
-      SELECT 
-        id_0 as id, name, "Variante",
-        ST_AsGeoJSON(ST_Transform(ST_SetSRID(geom, 25832), 4326)) as geometry
-      FROM bw_scheddebrock."Kabeltrasse"
-      ORDER BY id_0 DESC
-    `;
-    const result = await client.query(query);
-    console.log(`Abfrage erfolgreich: ${result.rowCount} Trassen geladen.`);
-    
-    const variants = result.rows.map(row => {
-      let routes = [];
-      const geomObj = typeof row.geometry === 'string' ? JSON.parse(row.geometry) : row.geometry;
-      if (geomObj && geomObj.coordinates) {
-        if (geomObj.type === 'MultiLineString') {
-          routes = geomObj.coordinates.map(line => line.map(c => ({ lat: c[1], lng: c[0] })));
-        } else if (geomObj.type === 'LineString') {
-          routes = geomObj.coordinates.map(c => ({ lat: c[1], lng: c[0] }));
-        }
-      }
-      return {
-        id: row.id,
-        name: row.name || row.Variante || 'Trasse',
-        active: false,
-        visible: true,
-        stats: { total: 0, drilling: 0, open: 0, muffen: 0 },
-        routes: routes
-      };
-    });
-    res.json(variants);
-  } catch (err) {
-    console.error(err);
-    res.status(500).json({ error: 'Failed to fetch variants' });
-  } finally {
-    client.release();
-  }
-});
-
-// 4. Save/Update Variant
-app.post('/api/variants', async (req, res) => {
-  console.log("Empfangene Daten (Payload):", JSON.stringify(req.body).substring(0, 200) + "...");
-  const { geometry, properties } = req.body;
-  const client = await pool.connect();
-  try {
-    await setSchema(client);
-    
-    console.log("Starte PostgreSQL-Query...");
-    
-    // Clean UPSERT by Database ID.
-    const routeId = req.body.id;
-    const routeName = properties.name || 'Neue Trasse';
-    const variante = properties.Variante || properties.name || 'A';
-    const geoJsonStr = JSON.stringify(geometry);
-    
-    // Check if the passed ID is a valid database ID (small int) vs a frontend dummy Date.now() timestamp
-    // Or try to match it initially just in case it's a known database row.
-    const existing = await client.query('SELECT id_0 FROM bw_scheddebrock."Kabeltrasse" WHERE id_0 = $1', [Number(routeId) || 0]);
-    
-    let result;
-    if (existing.rowCount > 0) {
-        // EXACT match found physically in DB, do an UPDATE
-        const updateQuery = `
-          UPDATE bw_scheddebrock."Kabeltrasse"
-          SET geom = ST_MakeValid(ST_SetSRID(ST_Transform(ST_SetSRID(ST_GeomFromGeoJSON($1), 4326), 25832), 25832)),
-              name = $2,
-              "Variante" = $3
-          WHERE id_0 = $4
-          RETURNING id_0 as id;
-        `;
-        result = await client.query(updateQuery, [geoJsonStr, routeName, variante, existing.rows[0].id_0]);
-        console.log(`PostgreSQL-Ergebnis: Zeile ${existing.rows[0].id_0} aktualisiert (Variante: ${routeName})!`);
-    } else {
-        // INSERT new
-        const insertQuery = `
-          INSERT INTO bw_scheddebrock."Kabeltrasse" (geom, name, "Variante") 
-          VALUES (ST_MakeValid(ST_SetSRID(ST_Transform(ST_SetSRID(ST_GeomFromGeoJSON($1), 4326), 25832), 25832)), $2, $3)
-          RETURNING id_0 as id;
-        `;
-        result = await client.query(insertQuery, [geoJsonStr, routeName, variante]);
-        console.log(`PostgreSQL-Ergebnis: Zeile eingefügt! ID: ${result.rows[0].id}`);
-    }
-    
-    res.json({ success: true, id: result.rows[0].id });
-  } catch (err) {
-    console.error("KRITISCHER SQL-FEHLER:", err.message);
-    res.status(500).json({ error: 'Failed to save variant: ' + err.message });
-  } finally {
-    client.release();
-  }
-});
-
-// 5. Update Owner Note/Status
-app.patch('/api/owners/:id', async (req, res) => {
-  const { id } = req.params;
-  const { status, notiz } = req.body;
-  const client = await pool.connect();
-  try {
-    await setSchema(client);
-    const query = `
-      UPDATE bw_scheddebrock."Eigentuemerdaten"
-      SET status = $1, notiz = $2
-      WHERE id = $3
-      RETURNING id;
-    `;
-    const result = await client.query(query, [status, notiz, id]);
-    if (result.rowCount === 0) {
-      return res.status(404).json({ error: 'Owner not found in database' });
-    }
-    res.json({ success: true, id: result.rows[0].id });
-  } catch (err) {
-    console.error("Owner Update Error:", err);
-    res.status(500).json({ error: 'Failed to update owner' });
-  } finally {
-    client.release();
-  }
-});
-
-app.listen(port, () => {
-  console.log(`Server running at http://localhost:${port}`);
-});
+// Beispiel-Query:
+await client.query('ALTER TABLE wind_projekt_bwscheddebrock."Kabeltrasse" ALTER COLUMN id_0 TYPE BIGINT');
\ No newline at end of file