Add copy buttons for Detect Logic and Respond Logic editors (Addresses #6)

[bromiley]

Summary

Implemented Copy buttons for Detect Logic and Respond Logic text boxes for one-off copying of contents.

Resolves #6

Type of Change

• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
• 💥 Breaking change (fix or feature that causes existing functionality to not work as expected)
• 📚 Documentation update
• 🧹 Code cleanup/refactoring
• 🎨 UI/UX improvement

Changes Made

• Add SVG copy icons next to editor labels
• Implement copyDetectLogicToClipboard() and copyRespondLogicToClipboard() functions
• Icons disabled when no content, active with hover effects when content exists
• Uses proper SVG copy icon (overlapping rectangles) instead of emoji
• Includes fallback clipboard support for older browsers
• Success/warning notifications via existing notification system

Testing Performed

• Manual testing completed
  • See screenshots. Content copied from window to LC D&R window, no syntax lost
• Existing functionality verified
  • No other changes made to the tool
• New functionality tested
  • Confirmed copy button(s) work, no content or syntax lost
• Cross-browser testing (if UI changes)
  • Tested in Chrome 138.0.7204.184 ✅
  • Tested in Safari 18.6 ✅

Screenshots (if applicable)

Copy buttons are only active if there is content. Screenshot without content:

Screenshot with content:

Notes for Maintainers

• Version impact: [Does this require MAJOR/MINOR/PATCH version bump?]
• Release grouping: [Can this be grouped with other pending changes?]
• Breaking changes: [List any breaking changes]

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Note for Contributors:

• ✅ Focus on your implementation - maintainers handle versioning
• ❌ Do not update package.json version or src/utils/version.ts changelog
• 📝 Provide clear description for release notes compilation

[ecapuano]

Cherry picked and merged with #28

Thanks broms!