{
  "_readme": [
    "Tuning for Mining & Caves (docs/wiki/world/mining-caves.md).",
    "Owner-edited. null = undecided; illustrative:true = shape, not commitment.",
    "Ore order is the frozen vision ladder — do not reorder here."
  ],
  "ore_ladder": ["copper", "iron", "steel", "silver", "gold", "cobalt", "mithril", "adamantite", "thorium", "onyxium"],
  "mining_islands": [
    { "id": "starter_mines", "world_tier": "T1", "bands": ["copper", "iron", "steel"], "illustrative": true },
    { "id": "deep_caves", "world_tier": "T2", "bands": ["silver", "gold", "cobalt"], "illustrative": true, "note": "matches data/world-islands.json entry" },
    { "id": "crystal_depths", "world_tier": "T4", "bands": ["mithril", "adamantite", "thorium", "onyxium"], "illustrative": true, "note": "endgame; crystals owned by dungeons-enchanting session" }
  ],
  "nodes": {
    "respawn_timers": null,
    "density_per_band": null,
    "note": "competition control = respawn pacing + spread, never permissions"
  },
  "home_generators": {
    "cap": "player_mineable_tier",
    "floor_rate": null,
    "note": "un-mineable ores never appear (D-MINING-CAVES-05); adventure nodes always strictly better"
  },
  "golem_boss": {
    "location": "deep layers side arena",
    "rewards": { "almanac": ["bestiary", "title"], "drops": null, "broadcast_rare": true },
    "future_deed_gate": "golem_slain (reserved — deed gates not in launch vocabulary)"
  }
}