---
description: Require test pattern, pattern metadata, and test preset for new patterns
alwaysApply: true
---

# Pattern workflow requirements

1. When creating a new pattern under `led-driver/src/patterns/`, also add/update a corresponding test file in `led-driver/tests/patterns/`.

2. When adding a new pattern, ensure led-controller has `db/pattern.json`; if it does not exist, create it. Add the new pattern metadata and parameter mappings there. Optionally set **`supports_manual`** to `false` when the pattern is a poor fit for manual mode or audio beat triggers (smooth/blended animations); omit or `true` otherwise.

3. When adding a new pattern, add at least one test preset entry in `db/preset.json` in led-controller that uses the new pattern.

4. For any pattern that supports both auto and manual modes, keep behaviour parity unless explicitly requested otherwise: background colour handling, colour-cycling order, and parameter timing semantics (e.g. `n2`/`n3` meaning) must match between auto and manual paths.