Argenis 5cc02c5813 fix: add WhatsApp webhook signature verification (X-Hub-Signature-256) ... Closes #51 - Add HMAC-SHA256 signature verification for WhatsApp webhooks - Prevents message spoofing attacks (CWE-345) - Add whatsapp_app_secret config field with ZEROCLAW_WHATSAPP_APP_SECRET env override - Add 13 comprehensive unit tests Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>		2026-02-15 06:17:24 -05:00
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workflows	fix: add WhatsApp webhook signature verification (X-Hub-Signature-256)	2026-02-15 06:17:24 -05:00