Replace MetricsGraphics with Chart.js v4 for improved performance

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- Replaced MetricsGraphics library with Chart.js v4 for faster chart rendering
- Removed dependencies: MetricsGraphics, D3.js v4, and jQuery
- Added Chart.js v4 with date-fns adapter and annotation plugin
- Maintained all original chart features:
  - Logarithmic Y-axis scale
  - Time-series area chart with EUR/sats data
  - Historical event markers (QE1, QE2, QE3, QH1, QH2, QE4, QH3)
  - Custom pattern fill with 100 EUR image
  - Responsive height calculation
  - Y-axis units formatting
- Improved chart performance with modern Canvas-based rendering
- Replaced D3 JSON loading with native fetch API

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This commit is contained in:

Claude

2025-11-10 04:46:41 +00:00

parent 5d4f0195c2

commit 76eb9b39a3

8 changed files with 224 additions and 8427 deletions

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public/static/chartjs-adapter-date-fns.min.js vendored Normal file

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