RTK TDD Workflow Enforce Red-Green-Refactor for all RTK filter development. The Loop Step 1: Real Fixture First Never write synthetic test data. Capture real command output: Fixture naming: Step 2: Write the Test (Red) Run: → should fail (function doesn't exist yet). Step 3: Minimum Implementation (Green) Run: → green. Step 4: Accept Snapshot Step 5: Wire to main.rs (Integration) Step 6: Quality Gate All 3 must pass. Zero clippy warnings. Arrange-Act-Assert Pattern RTK-Specific Test Patterns Test ANSI stripping Test fallback behavior Test savings at multiple sizes What "Done" Looks Like Check…