dsh-opencode-go-panel: Integrate OpenCode Go subscription quotas and model unit prices into the DSH sidebar

Introducing Wiselfx/dsh-opencode-go-panel: a DSH client plugin that displays OpenCode Go subscription status, 5-hour/weekly/monthly three-window quota metering, consumption multipliers for each model, and the price per million tokens in the sidebar panel. All data is sourced from the OpenCode Go API. The article covers core display capabilities, bundle installation commands, credential parsing order, the impact of Console login on accurate billing, data limits, and usage notes such as source code inspection.