{
  "$schema": "https://wpl.dev/schemas/wpl/v1.schema.json",
  "version": "1.6.0",
  "plan": {
    "id": "plan_home_gym",
    "name": "Home Gym Strength",
    "description": "Plan with explicit equipment requirements, contraindications, and time commitment.",
    "type": "workout",
    "visibility": "public",
    "metadata": {
      "tags": ["home_gym", "minimal_equipment"],
      "difficulty": "intermediate",
      "estimated_duration_days": 28,
      "language": "en"
    },
    "goals": [
      { "id": "goal_str", "type": "primary", "category": "strength", "name": "Build strength at home" }
    ],
    "requirements": {
      "min_age": 18,
      "max_age": 65,
      "fitness_level": ["intermediate", "advanced"],
      "equipment": [
        { "id": "barbell", "name": "Barbell", "required": true },
        { "id": "rack", "name": "Squat rack", "required": true, "alternatives": ["smith_machine"] },
        { "id": "bench", "name": "Adjustable bench", "required": true },
        { "id": "plates_140kg", "name": "140 kg of plates", "required": true },
        { "id": "pull_up_bar", "name": "Pull-up bar", "required": false }
      ],
      "contraindications": [
        { "condition": "lower_back_injury", "action": "exclude", "affected_activities": ["deadlift", "good_morning"] },
        { "condition": "shoulder_impingement", "action": "modify", "affected_activities": ["overhead_press"] }
      ],
      "time_commitment": {
        "min_days_per_week": 3,
        "max_days_per_week": 4,
        "min_minutes_per_day": 45,
        "max_minutes_per_day": 90
      }
    },
    "phases": [
      {
        "id": "phase_1", "name": "Block 1", "order": 1,
        "duration": { "value": 4, "unit": "weeks" },
        "weeks": [
          {
            "id": "wk_1", "name": "Week 1", "order": 1,
            "days": [
              { "id": "d_1", "day_of_week": 1, "name": "Day 1", "type": "training" }
            ]
          },
          {
            "id": "wk_2", "name": "Week 2", "order": 2,
            "days": [
              { "id": "d_2", "day_of_week": 1, "name": "Day 1", "type": "training" }
            ]
          },
          {
            "id": "wk_3", "name": "Week 3", "order": 3,
            "days": [
              { "id": "d_3", "day_of_week": 1, "name": "Day 1", "type": "training" }
            ]
          },
          {
            "id": "wk_4", "name": "Week 4", "order": 4,
            "days": [
              { "id": "d_4", "day_of_week": 1, "name": "Day 1", "type": "training" }
            ]
          }
        ]
      }
    ]
  }
}