Zach Fitness App

// types.ts

export type Set = {
  id: string;
  reps: number;
  weight: number;
  completed: boolean;
};

export type Exercise = {
  id: string;
  name: string;
  sets: Set[];
};

export type WorkoutSession = {
  id: string;
  date: string; // ISO Date
  name: string; // e.g., "Push Day"
  exercises: Exercise[];
  totalVolume: number; // The "Growth" metric
};
