-- Rollback project request/approval workflow

-- Drop indexes
DROP INDEX IF EXISTS idx_projects_requested_by;
DROP INDEX IF EXISTS idx_projects_request_status;

-- Drop columns from projects table
ALTER TABLE projects
DROP COLUMN IF EXISTS rejection_reason,
DROP COLUMN IF EXISTS approved_at,
DROP COLUMN IF EXISTS requested_at,
DROP COLUMN IF EXISTS request_status,
DROP COLUMN IF EXISTS approved_by,
DROP COLUMN IF EXISTS requested_by;

-- Drop enum type
DROP TYPE IF EXISTS project_request_status;