diff --git a/.env.development b/.env.development
index 8a7e065..b241e88 100644
--- a/.env.development
+++ b/.env.development
@@ -6,6 +6,6 @@ NEXT_PUBLIC_USE_MOCK_BACKEND_LOOP_START=false
 NEXT_PUBLIC_EXPORT_STATIC=false
 NEXT_PUBLIC_USE_CGI=false
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.778
+NEXT_PUBLIC_APP_VERSION=1.6.779
 NEXT_PUBLIC_CPL_MODE=json   # json (Entwicklungsumgebung) oder jsSimulatedProd (CPL ->CGI-Interface-Simulator) oder production (CPL-> CGI-Interface Platzhalter)
 
diff --git a/.env.production b/.env.production
index b9312e6..c218eff 100644
--- a/.env.production
+++ b/.env.production
@@ -5,5 +5,5 @@ NEXT_PUBLIC_CPL_API_PATH=/CPL
 NEXT_PUBLIC_EXPORT_STATIC=true
 NEXT_PUBLIC_USE_CGI=true
 # App-Versionsnummer
-NEXT_PUBLIC_APP_VERSION=1.6.778
+NEXT_PUBLIC_APP_VERSION=1.6.779
 NEXT_PUBLIC_CPL_MODE=production
\ No newline at end of file
diff --git a/.woodpecker.yml b/.woodpecker.yml
index e9cb3d5..7ab1163 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -1,10 +1,14 @@
-# .woodpecker.yml — Option B (Browser im Workspace)
+# .woodpecker.yml — Option B (Browser im Workspace, stabil für CI)
 steps:
   - name: install-dependencies-and-browsers
     image: node:22
     environment:
       PLAYWRIGHT_BROWSERS_PATH: "0" # Browser in ./node_modules/playwright/.local-browsers
       CI: "true"
+      E2E_BASE_URL: "http://localhost:3000"
+      LANG: "C.UTF-8"
+      TZ: "Europe/Berlin"
+      PW_HEADLESS: "1" # erzwingt headless in der Config
     commands:
       - echo "📦 Installing deps..."
       - npm ci
@@ -16,8 +20,12 @@ steps:
     environment:
       PLAYWRIGHT_BROWSERS_PATH: "0" # gleicher Pfad wie oben
       CI: "true"
+      E2E_BASE_URL: "http://localhost:3000"
+      LANG: "C.UTF-8"
+      TZ: "Europe/Berlin"
+      PW_HEADLESS: "1"
     commands:
       - echo "🔧 Installing system dependencies for Playwright..."
       - npx playwright install-deps
       - echo "🧪 Running Playwright tests (Chromium only)..."
-      - npx playwright test --project=chromium
+      - npx playwright test --project=chromium --headless
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4da4fa3..22e03b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## [1.6.779] – 2025-08-29
+
+- fix: start chromium headless
+
+---
 ## [1.6.778] – 2025-08-29
 
 - test: meldungenTest.ts
diff --git a/package-lock.json b/package-lock.json
index 6985af0..a28ce92 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.778",
+  "version": "1.6.779",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "cpl-v4",
-      "version": "1.6.778",
+      "version": "1.6.779",
       "dependencies": {
         "@fontsource/roboto": "^5.1.0",
         "@headlessui/react": "^2.2.4",
diff --git a/package.json b/package.json
index 646b3e0..7194a5d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cpl-v4",
-  "version": "1.6.778",
+  "version": "1.6.779",
   "private": true,
   "scripts": {
     "dev": "next dev",
diff --git a/playwright.config.ts b/playwright.config.ts
index 25a2351..a26c027 100644
--- a/playwright.config.ts
+++ b/playwright.config.ts
@@ -1,28 +1,53 @@
 import { defineConfig, devices } from "@playwright/test";
 
+const CI = !!process.env.CI;
+
 export default defineConfig({
   testDir: "./playwright/tests",
+
+  // Globale Zeitlimits
   timeout: 90_000,
-  expect: { timeout: 10_000 },
+  expect: { timeout: 15_000 }, // etwas großzügiger im CI
+
+  // Setup/Parallelisierung
   globalSetup: "./playwright/global-setup",
   fullyParallel: true,
-  forbidOnly: !!process.env.CI,
-  retries: process.env.CI ? 2 : 0,
-  workers: process.env.CI ? 1 : undefined,
+  forbidOnly: CI,
+  retries: CI ? 2 : 0,
+  workers: CI ? 1 : undefined,
 
-  reporter: [["html", { outputFolder: "playwright/report" }]],
+  // Reporter & Ausgabepfade
+  reporter: [
+    ["list"],
+    ["html", { outputFolder: "playwright/report", open: "never" }],
+  ],
   outputDir: "playwright/test-results",
 
+  // Standard-Defaults für alle Tests/Projekte
   use: {
-    baseURL: "http://localhost:3000",
-    headless: true,
-    launchOptions: { slowMo: 300 },
+    // Base-URL: im CI per ENV steuerbar
+    baseURL: process.env.E2E_BASE_URL || "http://localhost:3000",
+
+    // Headless im CI (und wenn PW_HEADLESS=1); lokal darfst du headed verwenden
+    headless: process.env.PW_HEADLESS === "1" || CI,
+
+    // Container-robuste Flags
+    launchOptions: {
+      args: ["--no-sandbox", "--disable-dev-shm-usage"],
+    },
+
     viewport: { width: 1920, height: 1080 },
-    video: "on",
-    screenshot: "on",
-    trace: "on-first-retry",
+
+    // Artefakte – sparsam, aber genug fürs Debugging
+    video: CI ? "retain-on-failure" : "on-first-retry",
+    screenshot: CI ? "only-on-failure" : "only-on-failure",
+    trace: "retain-on-failure",
+
+    // Optional: falls du Test-IDs nutzt
+    testIdAttribute: "data-testid",
   },
 
+  // Projekte (nur Chromium)
   projects: [
     {
       name: "chromium",
@@ -30,9 +55,11 @@ export default defineConfig({
     },
   ],
 
+  // Webserver: baue & starte Next.js (statt "dev")
   webServer: {
-    command: "npm run dev",
-    url: "http://localhost:3000",
-    reuseExistingServer: !process.env.CI,
+    command: "npm run build && npm run start -p 3000",
+    url: process.env.E2E_BASE_URL || "http://localhost:3000",
+    reuseExistingServer: !CI,
+    timeout: 120_000, // Zeit für Build+Start
   },
 });