Qichacha MCP OAuth Plugin: Connecting to Qichacha MCP Service in DeepSeek Harness

`duhu2000/qcc-mcp-oauth` is an MIT licensed plugin for DeepSeek Harness (DSH) designed to simplify the integration of Qichacha MCP services. It automatically connects to Qichacha via one-click OAuth authorization (using Authorization Code + PKCE), supports six core data servers such as company and risk, and dynamically mounts resources based on token permissions. The plugin features automatic token refresh, local persistent storage (permissions 0700), and automatic recovery upon restart. Users can execute connection, view status, or disconnect authorization through conversation commands; the latter revokes the refresh_token and disables the tool. Installation requires DSH CLI and Node 20+, run `dsh plu...