Grill Me STE: M1 - Style module and tests
Extract the STE style text into a dependency-free, testable module (ste-style.ts), inject the block into the Grill Me prompt, cover it with tests, and extract buildGrillPrompt() so the prompt integration is testable without booting pi.
Each issue leaves the extension working. Part of the "Grill Me STE style" enhancement.
No due date
100% Completed