feat: add interactive Chart.js trend chart and improve KPI card layout

- Replace static SVG trend chart with Chart.js bar+line mixed chart

- Click-triggered custom tooltip popup with per-day detail overlay

- KPI cards: flex column layout, compact K/M currency formatting

- Custom legend above chart for consistent spacing

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
This commit is contained in:
2026-04-29 23:36:18 +08:00
parent e54ebd072a
commit f98ad7953f
4 changed files with 2777 additions and 64 deletions

1868
package-lock.json generated Normal file

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