Alessandro 4f95250d0b Add native XLSX chart support ... Teach document_artifact to create embedded spreadsheet charts through a native create_chart operation, including generic line/bar/column/pie/area/scatter support and stock-style OHLC charts. Parse CSV, TSV, and Markdown table content into real XLSX cells during spreadsheet creation so chart ranges bind to typed data instead of row text blobs. Update the Office artifact skill and tool prompt to prefer native chart creation over Python fallback, and cover the workflow with regression tests.		2026-04-28 04:29:33 +02:00
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document_artifact.py	Add native XLSX chart support	2026-04-28 04:29:33 +02:00