Jonathan 541b5f57d2 Add 1-year BTC daily price history chart
New GET /history endpoint fetches 365 days of BTC/EUR data from
CoinGecko, deduplicates by date, and joins the user's purchases.
BTCHistoryChart component renders the price line with orange dot
markers on purchase dates and a dashed cyan avg buy price line.
Tooltip shows purchase details on marked dates.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-23 23:18:40 +01:00
2026-03-23 19:20:15 +01:00

Welcome the only Portfolio you'll ever need

S
Description
A portfolio of your BTC purchases, showing multiple stats and graphs
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