Dual-channel comparison · Sheet 01

The same request,
with and without Cursor OS

Two sessions against the same Next.js + Supabase codebase, given the same request. Channel A has no project context. Channel B has the installed and localized engineering contract. The difference is what the model has to guess at.

REPO orbit — team analytics SaaS
STACK Next.js 15 · App Router
DATA Supabase · RLS enforced
UI Tailwind · shadcn/ui · sonner
TESTS Vitest · Playwright
TASK Add a team-invite flow
Speed
0:00 / 0:00
CH A Without Cursor OS Cold session · context limited to open files
Loaded context
CH B With Cursor OS Installed and localized · contract loads automatically
Loaded context

Where the time went

Tallying — press play
MeasureCH A — withoutCH B — with