Build the ClauseGuard full-stack contract review workbench - #1

Summary

• add a versioned Python analysis protocol and structured agent pipeline
• add a Go control plane with upload validation, job lifecycle management, SQLite persistence, cancellation, and SSE progress
• add a React and TypeScript contract review workbench for analysis and document comparison
• harden document parsing, model routing, browser policy, dependency monitoring, and repository publication checks
• document architecture, dataset provenance, evaluation methodology, and reproducible demo setup

Validation

• 83 Python tests with 84.32% branch-aware coverage
• 56 Go test functions with 71.0% statement coverage
• 31 React tests with 81.37% statement coverage
• 4 Playwright production-stack journeys across desktop and mobile
• repository benchmark: 1.0000 precision, 0.9474 recall, 0.9730 F1
• Python, npm, and Go dependency audits completed without known vulnerabilities