dsh-grafana: Editing Grafana Dashboards in DeepSeek Harness

dsh-grafana is a plugin for DeepSeek Harness (DSH) designed to simplify the Grafana dashboard maintenance process. It allows users to modify dashboard JSON through conversation, replacing traditional manual web editing, and integrates fetching, querying, configuring, and pushing operations into DSH's approval and credential management. Core functionalities include retrieving dashboards via URL or UID, generating structural summaries, searching panels, querying real-time data, creating copies, and editing queries, thresholds, and layouts. The plugin supports concurrent edit detection before writing, enforces user approval, and automatically preserves folder information. Installation requires Node.js 20.11+ and DSH 0.1.0-rc.6, with compatibility for Grafana 10/11's legacy API.