dsh-finance-db: Read-only market data plugin for DeepSeek Harness

dsh-finance-db is a read-only financial data plugin designed for DeepSeek Harness (DSH). It aims to replace unstable web scraping with direct calls to external data tools, thereby resolving noise issues in models retrieving market data and news. Built under the MIT license, the plugin is strictly limited to read-only analysis and does not support trading execution, fund transfers, or account access. Its core features include retrieving real-time quotes, historical OHLCV data, fundamental indicators, recent news headlines, market overviews, and data service health checks; some features, such as sentiment analysis, require mounting an additional Provider. Users can install it into the DSH web profile via the npm command and explicitly specify the tool name (e.g., finance_quote) in the Prompt to ensure precise invocation. This plugin...