chart

Generate interactive chart pages with Apache ECharts. Each chart lives in a dedicated project folder under output/chart-html/ , making it easy to reuse and iterate. Any time the user wants a visual chart: price charts, comparisons, dashboards, business analytics, etc. Each chart project should follow: Example folder name: btc-90d-20260401 Available templates: Use create_project(name, description, data_sources) from scripts/build_chart.py . Use either: Then save as index.html in the project folder: Also save: Use project-root serving (recommended): Then open: /preview/ / /index.html Important behavior in v3.0.1: Two modes: Every chart page must include these buttons: Do not include gallery entry. - ECharts (CDN) for rendering - ECharts native export ( getDataURL ) + canvas merge for reliable PNG output - Project-based storage : one folder per chart project - No gallery mode : all artifacts stay in the project folder - build_chart(template_name, ...) - build_chart_custom(...) - save_chart(html, project_dir=project_dir) - save_generate_script(script_content, project_dir) → generate.py - save_data(data, project_dir) → data.json - project README is created by create_project(...) - chart_server.py now rewrites preview-prefixed static paths internally ( /preview/ /... → /... ) before filesystem lookup. - This guarantees the preview iframe resolves the real project index.html instead...