fix: API Endpoint in fetchOpcUaSettingsService für Development korrigiert

- falsches .js im API Pfad entfernt
- Development lädt jetzt korrekt /api/cpl/opcuaAPIHandler
- Production bleibt unverändert

pages/api/cpl/opcuaAPIHandler.ts

@@ -0,0 +1,24 @@
+// /pages/api/cpl/opcuaAPIHandler.ts
+
+import { NextApiRequest, NextApiResponse } from "next";
+import path from "path";
+import fs from "fs/promises";
+
+export default async function handler(
+  req: NextApiRequest,
+  res: NextApiResponse
+) {
+  const filePath = path.join(
+    process.cwd(),
+    "apiMockData",
+    "SERVICE",
+    "opcuaMockData.js"
+  );
+
+  try {
+    const data = await fs.readFile(filePath, "utf-8");
+    res.status(200).send(data);
+  } catch (error) {
+    res.status(404).json({ error: "File not found" });
+  }
+}