DeepSeek Harness (DSH) Plugin: Automatic Generation of Feishu Quotation Sheets and Cost Calculations

The plugin `dsh-quote-sheet-generator` is a skill pack for DeepSeek Harness (DSH) that automatically generates structured Feishu spreadsheet quote sheets. It is dependency-free and must be used with an authenticated `lark-cli`. The plugin includes five worksheets: Quote Overview, Details, Personnel, Cost Breakdown, and ROI Estimation, and supports one-command AI instructions to automatically calculate costs, profit margins, and payment milestones. Data operations are performed within a locally authorized account, ensuring security with no key leakage risk, making it ideal for quickly generating standardized quote sheets.