fix(editor): preserve full site config object in save-draft and sync to draft file in config API

src/pages/api/config.ts

@@ -22,8 +22,20 @@ export const POST: APIRoute = async ({ request }) => {
         hero: { ...(currentSite.hero || {}), ...(body.siteConfig.hero || {}) },
         site_info: { ...((currentSite as any).site_info || {}), ...(body.siteConfig.site_info || {}) }
       };
-      fs.writeFileSync(path.join(dataDir, 'site.config.json'), JSON.stringify(newSite, null, 2), 'utf8');
+      const sitePath = path.join(dataDir, 'site.config.json');
+      const draftPath = path.join(dataDir, 'site.config.draft.json');
+      fs.writeFileSync(sitePath, JSON.stringify(newSite, null, 2), 'utf8');
+      
+      // Falls bereits ein Draft existiert, site_info & is_demo_mode dort ebenfalls aktualisieren
+      if (fs.existsSync(draftPath)) {
+        try {
+          const draftContent = JSON.parse(fs.readFileSync(draftPath, 'utf8'));
+          const updatedDraft = { ...draftContent, ...newSite };
+          fs.writeFileSync(draftPath, JSON.stringify(updatedDraft, null, 2), 'utf8');
+        } catch {}
       }
+    }
+
 
 
     if (body.themeConfig) {

src/pages/api/editor/save-draft.ts

@@ -8,18 +8,29 @@ const DATA_DIR = process.env.DATA_DIR || path.join(process.cwd(), 'app', 'data')
 
 export const POST: APIRoute = async ({ request }) => {
   try {
-    const draftConfig = await request.json();
+    const draftBody = await request.json();
-    if (!draftConfig || typeof draftConfig !== 'object') {
+    const draftPath = path.join(DATA_DIR, 'site.config.draft.json');
-      return new Response(JSON.stringify({ error: 'Ungültige Konfigurationsdaten' }), { status: 400 });
+    const livePath = path.join(DATA_DIR, 'site.config.json');
+
+    let baseConfig: any = {};
+    try {
+      const raw = await fs.readFile(draftPath, 'utf-8');
+      baseConfig = JSON.parse(raw);
+    } catch {
+      try {
+        const rawLive = await fs.readFile(livePath, 'utf-8');
+        baseConfig = JSON.parse(rawLive);
+      } catch {}
     }
 
-    const draftPath = path.join(DATA_DIR, 'site.config.draft.json');
+    const updatedConfig = { ...baseConfig, ...draftBody, updated_at: new Date().toISOString() };
 
     await fs.mkdir(DATA_DIR, { recursive: true });
-    await fs.writeFile(draftPath, JSON.stringify(draftConfig, null, 2), 'utf-8');
+    await fs.writeFile(draftPath, JSON.stringify(updatedConfig, null, 2), 'utf-8');
 
     return new Response(JSON.stringify({ success: true, message: 'Entwurf erfolgreich gespeichert' }), { status: 200 });
   } catch (error) {
     return new Response(JSON.stringify({ error: 'Fehler beim Speichern des Entwurfs' }), { status: 500 });
   }
 };
+