DiTus a34f80f841 feat: Add drawing tools to chart ...

- Add drawing tools button to chart toolbar
- Implement trend lines, horizontal/vertical lines
- Add arrow markers (up/down)
- Add text labels
- Implement clear all functionality
- Support both desktop and mobile touch events

2026-03-21 09:41:58 +01:00

181 KiB

1679x1320px

Raw Permalink History