Initiales Projekt-Skelett appRobotFileservice

Ausgelagertes Programm-/File-Handling (vormals GCode.receiveFC im appRobotDriver,
ToDo_4 / ToDo_6b). Express-Service mit .gcode + .json-Storage, aktivem Programm +
Cursor, Teaching (FPoint) und Playback. Speicherung in Grad, driver-nativ (Radian)
zum Driver. Konzept/API unter doc/draft_filehandeling*.md. Tests: jest (13 gruen).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/server.js

@@ -0,0 +1,21 @@
+// Express-App der appRobotFileservice. createApp() ist test-freundlich (kein listen).
+const express = require('express');
+const programsRouter = require('./routes/programs');
+const activeRouter = require('./routes/active');
+const { errorMiddleware, envelope } = require('./errors');
+
+function createApp() {
+  const app = express();
+  app.use(express.json({ limit: '5mb' }));
+
+  app.get('/api/health', (req, res) => res.json({ ok: true, service: 'appRobotFileservice' }));
+  app.use('/api/programs', programsRouter);
+  app.use('/api/active', activeRouter);
+
+  // Unbekannter Pfad → 404-Envelope
+  app.use((req, res) => res.status(404).json(envelope('NOT_FOUND', 'unknown endpoint', req.path)));
+  app.use(errorMiddleware);
+  return app;
+}
+
+module.exports = { createApp };