Publish curated VacatureRadar source snapshot

fixtures/emails/stepstone_job_alert.eml

@@ -0,0 +1,14 @@
+From: StepStone Job Alert <alerts@stepstone.be>
+To: radar@example.invalid
+Date: Wed, 22 Jul 2026 08:15:00 +0200
+Message-ID: <sanitized-stepstone-alert-001@example.invalid>
+Subject: Nieuwe jobs voor developer
+MIME-Version: 1.0
+Content-Type: text/html; charset="utf-8"
+
+<html><body>
+<h1>Je dagelijkse Job Alert</h1>
+<a href="https://www.stepstone.be/vacatures/software-developer/in-hasselt/fixture-1003">Software Developer</a>
+<a href="https://outside.example.invalid/jobs/unsafe">Externe advertentie</a>
+<a href="https://www.stepstone.be/account/settings">Accountinstellingen</a>
+</body></html>