v3.2.0 - improved theme management and handling

Calendar Heatmap Card v3.2.0

🎉 What's New

This release brings significant improvements to the Calendar Heatmap Card, focusing on theme handling, visual differentiation, and error resilience:

✨ Theme-Aware Colors

• The card now automatically detects your Home Assistant theme and adjusts colors accordingly
• Improved contrast and readability in both light and dark themes
• Support for theme detection in parent elements for cards inside dashboards with different themes

🌈 Better Visual Differentiation

• Intelligent intensity scaling for clearer visual distinction between activity durations
• Stepped approach with specific thresholds for common gaming session durations:
  • Very short sessions (< 15 min)
  • Short sessions (15-45 min)
  • Medium sessions (45 min - 2 hours)
  • Longer sessions (2-4 hours)
  • High usage sessions (4-8 hours)
  • Very high usage sessions (8+ hours)

🛡️ Enhanced Error Handling

• Fixed "Invalid time value" errors when processing history data
• Improved handling of invalid dates throughout the application
• Enhanced error resilience when fetching historical data
• Better handling of "no data" colors with appropriate opacity

📋 Full Changelog

See the CHANGELOG.md for a complete list of changes.

🔧 Installation

HACS (Recommended)

1. Add this repository as a custom repository in HACS
2. Search for "Calendar Heatmap Card" and install it
3. Restart Home Assistant

Manual Installation

1. Download the calendar-heatmap-card.js file from this release
2. Upload it to your Home Assistant instance
3. Add the resource reference to your Lovelace configuration
4. Restart Home Assistant

📚 Documentation

For full documentation, see the README.md.