Workflow Control Center Backend

This Next.js application implements the PRD-defined backend surface for the 4-bot workflow using Prisma, Neon Postgres, Zod validation, REST route handlers, and SSE log streaming.

Implemented API surface

• GET /api/workflow/overview
• GET /api/workflow/analytics
• GET /api/workflow/tasks
• POST /api/workflow/tasks
• GET /api/workflow/tasks/:taskId
• GET /api/workflow/tasks/:taskId/activity
• GET /api/workflow/tasks/:taskId/artifacts/:artifactType/diff?v1=1&v2=2
• GET /api/workflow/logs/stream
• POST /api/internal/logs
• POST /api/workflow/tasks/:taskId/intervention