v1.3: Fix UTF-8 decoding error, add whitelist filtering mode

fix: remove node_modules from git tracking and add to .gitignore

Merge pull request #3 from akeslo/AK_DEV. Contribution by @akeslo

Merge pull request #2 from akeslo/master. Contribution by @akeslo

feat(queue): add recently processed audit trail section

Add badge-secondary style for Retry status

Fix NoneType error in AI service and improve retry UI

Fix RateLimitError and show status in dashboard

feat: Add multi-key support for Gemini API with automatic failover

Remove nonce from CSP to fix inline event handlers

Fix CSP: restore unsafe-inline for event handlers

Add admin password change feature and allow HTTP for local access

Fix CSP inline event handler violations

fix(security): Allow https images in CSP

Fix security headers: Add HSTS unconditionally and implement nonce-based CSP