DeepSeek Harness Cost Governance Plugin: dsh-cost-governor

`dsh-cost-governor` is a cost-control plugin for production environments in the DeepSeek Harness (DSH) ecosystem. It acts as a top-level budget guardian, using official interfaces to convert token buckets into monetary amounts and enforce budget policies. **Core features** include: precise cost accounting based on multi-provider pricing catalogs (such as OpenAI and Anthropic); budget configuration for daily, weekly, and monthly periods, with governance actions including soft-threshold warnings, hard-threshold blocking, or model switching; and Webhook notifications and a visual dashboard. **Installation and configuration** require installing via npm, setting the currency, budget amount, threshold ratios, and execution actions in `cordis.yml`, then restarting the service to use it.