Cursor Composer: Add a Feature Flag Around Existing Code

Cursor Composer: Extract a Feature Flag From Hardcoded Branches

A Composer prompt that finds every hardcoded conditional for a feature, unifies them behind a single flag, and ships the rollout plan.

Cursor Composer: Migrate a Feature Behind a Kill Switch

Composer prompt that performs a risky migration with a feature flag wrapper and instant rollback path baked in.

Cursor Composer: Generate a Test Harness for Untested Code

Builds a meaningful test suite around legacy code by inferring its real behavior contract before touching it.

Cursor Composer: Split a Route Handler Into Layered Services

Refactors a bloated route handler into clean controller, service, and data-access layers without changing behavior.