v1.17.8

🐛 Bug Fixes

• Blocks renderer: prevent TypeError: Unsupported operand types: string - int when blocks data uses associative array keys — use intval() guard for PHP 8.4 compatibility

📝 Documentation

• AGENTS.md: merge with external project conventions — add Resources, Code Conventions, Security Notes, Git & Branches, and Local Dev sections
• Skills: add and translate 9 OpenCode skills (git-changelog-workflow, harness-evolution, merge-conflict-resolver, hotfix-cherry-pick, safe-dependency-update, sprint-isolation, issue-to-mr, owasp-critical-audit) from French to English, adapted for Blogr (GitLab → GitHub, Cursor → OpenCode, Breeze → Filament v4, app/ → src/)