Add E2E tests

e2e/conftest.py

@@ -0,0 +1,21 @@
+import os
+import shutil
+import pytest
+
+# Playwright runs an async event loop in the background, which triggers
+# Django's async safety checks when running synchronous tests. This allows
+# synchronous operations inside the async context safely.
+os.environ.setdefault("DJANGO_ALLOW_ASYNC_UNSAFE", "true")
+
+@pytest.fixture(scope="session")
+def browser_type_launch_args(browser_type_launch_args):
+    # Try to find a system-installed Google Chrome or Chromium to bypass Nix/NixOS shared library issues
+    for browser_name in ["google-chrome-stable", "google-chrome", "chromium", "chrome"]:
+        path = shutil.which(browser_name)
+        if path:
+            return {
+                **browser_type_launch_args,
+                "executable_path": path,
+            }
+    # Fallback to default Playwright behavior
+    return browser_type_launch_args