Sign-in through cook mode, planning, sharing and the coach view. The recipe is really parsed from BBC Good Food's structured data; scaling, unit conversion, the shopping-list merges and the adapt macros are all real output from the engine.
4 Eggs → buy 1 box.
09 You flips metric/imperial and every quantity follows.
Ingredients, quantities, steps, timings, attribution, the 16→12 line merge, and the adapt figures (494 → 231 kcal) are all engine output. Scaling and unit conversion are arithmetic.
The import delay is theatre — the real parse takes 12 ms. Sign-in is a button, not Firebase. The coach's suggestion is the stubbed model response.