{
  "version": 1,
  "global": [
    {
      "id": "first_steps",
      "title": "First Steps",
      "description": "Reach Mastery Rank 1 — finish onboarding.",
      "category": "global",
      "sourceId": "achievements",
      "criterion": { "type": "mastery_rank", "tiers": [1] },
      "tiers": [1]
    },
    {
      "id": "ascendant",
      "title": "Ascendant",
      "description": "Climb the Mastery Rank ladder.",
      "category": "global",
      "sourceId": "achievements",
      "criterion": { "type": "mastery_rank", "tiers": [10, 25, 50] },
      "tiers": [10, 25, 50],
      "tier_titles": ["Ascendant I", "Ascendant II", "Ascendant III"]
    },
    {
      "id": "steady_hands",
      "title": "Steady Hands",
      "description": "Make a real advance on many separate days.",
      "category": "global",
      "sourceId": "achievements",
      "criterion": { "type": "growth_streak_days", "tiers": [7, 30, 100] },
      "tiers": [7, 30, 100],
      "tier_titles": ["Steady Hands (7)", "Steady Hands (30)", "Steady Hands (100)"]
    },
    {
      "id": "renaissance",
      "title": "Renaissance",
      "description": "Reach Level 10 across several distinct instrument paths.",
      "category": "global",
      "sourceId": "achievements",
      "criterion": { "type": "paths_at_level", "level": 10, "tiers": [2, 3, 5] },
      "tiers": [2, 3, 5],
      "tier_titles": ["Renaissance (2)", "Renaissance (3)", "Renaissance (5)"]
    }
  ],
  "per_instrument": [
    {
      "id": "path_rank",
      "title": "{Inst} Mastery",
      "description": "Climb the {Inst} path: Apprentice, Journeyman, Master.",
      "sourceId": "achievements",
      "criterion": { "type": "path_level", "tiers": [10, 25, "max"] },
      "tier_titles": ["{Inst} Apprentice", "{Inst} Journeyman", "{Inst} Master"]
    },
    {
      "id": "personal_best",
      "title": "Personal Best ({Inst})",
      "description": "Beat your own best accuracy on any {Inst} chart.",
      "sourceId": "achievements",
      "criterion": { "type": "personal_best" }
    },
    {
      "id": "challenger",
      "title": "Challenger ({Inst})",
      "description": "Clear a full level-up challenge set on the {Inst} path.",
      "sourceId": "achievements",
      "criterion": { "type": "challenge_set_cleared" }
    }
  ]
}