feat: weakset post tracking

[Hogwai]

Description

Replace post tagging by weakset tracking

Type of Change

• 🐛 Bug fix (non-breaking change which fixes an issue)
• ✨ New feature (non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📝 Documentation update
• 🎨 Code refactoring (no functional changes)
• ⚡ Performance improvement
• 🧪 Test updates

Related Issue

Fixes #(issue number)

Changes Made

Target Platform

• Chrome Extension
• Firefox Extension
• Userscript
• Shared code (affects all platforms)

Testing

• Tested on Chrome Extension
• Tested on Firefox Extension
• Tested on Userscript (Tampermonkey)
• Build succeeds (npm run build)
• No console errors

Test steps:
1.
2.
3.

Screenshots (if applicable)

Checklist

• My code follows the project's coding style
• I have tested my changes thoroughly
• The build passes without errors
• I have updated documentation if needed
• My changes don't introduce new console warnings/errors

Additional Notes