Flow: a plate to macros

The lines the agent sends:

flow@plate "A plate to macros" submit="Save to my meals"
flowchart TD
  %% hi: page "Snap a plate, get the macros" body="Pick a plate. I guess what's on it and say how sure I am. You fix what I got wrong, and it goes in your log." points="Pick a photo|My guess, and how sure|Fix the portion|Today's totals"
  hi([Start]) --> photo
  %% photo: choose "Which plate is yours?" Pancakes|Salmon|"Poke bowl"
  photo{Plate}
  photo -->|photo=Pancakes| stack
  photo -->|photo=Salmon| fish
  photo --> bowl
  %% stack: page "Pancakes with berries" /demo/meal-pancakes.jpg body="About 520 kcal. Fairly sure on the stack. The syrup is a guess: I can see the pool, not how much soaked in." points="How sure: fairly|Protein 12 g|Carbs 88 g|Fat 14 g"
  stack[Pancakes] --> syrup
  %% syrup: choose "How much syrup?" None|"A drizzle"|"A lot"
  syrup[Syrup] --> portion
  %% fish: page "Grilled salmon" /demo/meal-salmon.jpg body="About 560 kcal. Sure on the salmon, and it's most of the plate, so no questions." points="How sure: very|Protein 42 g|Carbs 12 g|Fat 38 g"
  fish[Salmon] --> portion
  %% bowl: page "Salmon poke bowl" /demo/meal-poke.jpg body="About 650 kcal. A rough guess: the rice is under the toppings, so its size is the big unknown." points="How sure: a rough guess|Protein 32 g|Carbs 78 g|Fat 22 g"
  bowl[Poke bowl] --> rice
  %% rice: choose "How much rice was under it?" "A small scoop"|"A regular bowl"|"A big bowl"
  rice[Rice] --> portion
  %% portion: choose "How much did you eat?" Half|"All of it"|"A bit more"|Double
  portion[Portion] --> meal
  %% meal: choose "Which meal was it?" Breakfast|Lunch|Dinner|Snack
  meal[Meal] --> logged((Saved))
end

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