feat(dashboard)

[KvsNikhil]

PR Summary — Dashboard API
Overview
Implemented the complete Dashboard API module with:

• Role-based access control
• Real-time data aggregation from the database
• Swagger documentation for all endpoints
• Unit and integration tests
• Lint fixes and controller/service improvements

Features Added

End points:

1. /dashboard/totals
2. /dashboard/tree-counts
3. /dashboard/scan-stats

Role-Based Access Control

• Admin: Full access to all dashboard data
• Other roles: See only their own/project-specific data

Data Aggregation

• Totals: Users, projects, trees, partners
• Tree counts: By species, role-aware
• Scan stats: By status, daily, role-aware

Swagger Documentation

• Complete request/response schemas
• Authorization requirements
• Example responses for each endpoint

Testing

• Unit and integration tests for all endpoints and role logic
• All tests passing