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.
The Prompt
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Cursor Composer: Add a Feature Flag Around Existing Code
Wrap existing functionality in a feature flag without changing behavior for current users.
Cursor: Test-First Implementation From a Feature Description
Forces Cursor Composer to write failing tests before any implementation code, keeping scope honest.
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.
Cursor: Migrate a Legacy Module With a Behavior Contract
Forces Cursor Composer to lock down current behavior before rewriting, so migrations don't silently break things.