dsh-heatmap: DSH Web GUI Left Sidebar Activity Heatmap Plugin

dsh-heatmap is a DSH Web GUI plugin (MIT licensed) maintained by 283Gawin, designed to persistently display the user's commit count, Token usage, and estimated cost over the past 90 days in the left sidebar, presented as a GitHub-style heatmap, with support for viewing today's details. This plugin addresses the inconvenience of observing long-term activity trends, supports switching among three dimensions, and sources data from session logs read via the official SDK, along with git log, featuring a 60-second TTL cache. Core functionalities include hovering to view daily details, displaying today's total Token count, cache hit rate, and cost breakdown by model, as well as support for collapsing and state persistence. Configuration options cover theme, enablement status, whether to include merge commits (default: no), USD/CNY exchange rate, and a price override table, where the price over