Cobblemon Survival Pack: phases 0-2 and Phase 3 zones and hazards

Free NeoForge 1.21.1 modpack on Cobblemon 1.8.4 built with packwiz, plus
the Kotlin companion mod (cobblesurvival) and its built-in data pack.

- Phase 0: packwiz pack with Modrinth/CurseForge cross-links, build and
  export tooling, Prism instance sync, test server with smoke checks.
- Phase 1: Poke Ball shaped island (WorldGen Editor preset, seed isle-26),
  Adrian's biome list, no natural ore, structures without ore or vanilla
  mobs, no Nether portals, world template builder and world report.
- Phase 2: permadeath (CobbleHardcoreMon plus the companion mod's gap
  fixes), Revival Charm, expensive Healing Machine, Lootr refreshing
  loot, in-game self-tests on Minecraft's GameTest framework.
- Phase 3 so far: 14 zones with their own spawn pools and level bands
  (tools/zone_layout.py, tools/zone_spawns.py, "zone" spawn condition),
  Cold Sweat heat and cold as gates with boss-drop insulation recipes,
  spawn survey and hazard self-tests in tools/quick_check.py.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

datapacks/core/data/cobblesurvival/zones/island.json

@@ -0,0 +1 @@
+{"_comment":"Generated by tools/zone_layout.py from world/zones.json; do not edit by hand.","seed":"isle-26","radius":1700,"step":24,"size":142,"zones":[{"id":"button_isle","name":"Button Isle","levels":[2,10]},{"id":"frostpeak","name":"Frostpeak Range","levels":[40,55]},{"id":"sunscorch","name":"Sunscorch","levels":[30,45]},{"id":"mire","name":"Mangrove Mire","levels":[25,38]},{"id":"jungle","name":"Verdant Jungle","levels":[18,30]},{"id":"highlands","name":"Highland Meadows","levels":[25,35]},{"id":"westmarch","name":"Westmarch","levels":[15,25]},{"id":"southwold","name":"Southwold","levels":[8,18]},{"id":"shallows","name":"Shallows","levels":[5,20]},{"id":"deep_sea","name":"Deep Sea","levels":[30,50]}],"caves":[{"id":"lush_caves","name":"Lush Caves","levels":[12,28],"biome":"minecraft:lush_caves"},{"id":"dripstone","name":"Dripstone Depths","levels":[22,38],"biome":"minecraft:dripstone_caves"},{"id":"deep_dark","name":"Deep Dark","levels":[45,60],"biome":"minecraft:deep_dark"},{"id":"basalt","name":"Basalt Furnace","levels":[55,70],"biome":"minecraft:basalt_deltas"}],"samples":{"button_isle":[-116,null,-92],"frostpeak":[628,null,-572],"sunscorch":[1372,null,-236],"mire":[652,null,1012],"jungle":[844,null,196],"highlands":[100,null,-1076],"westmarch":[-428,null,-1100],"southwold":[-116,null,1108],"shallows":[988,null,4],"deep_sea":[-1268,null,4],"lush_caves":[-1028,0,292],"dripstone":[940,40,-212],"deep_dark":[292,-52,-812],"basalt":[1276,0,508]},"biome_samples":{"frostpeak":[580,null,-524],"sunscorch":[-44,null,-452],"mire":[652,null,1012],"jungle":[844,null,196]},"grid_rle":[[9,771],[8,20],[9,117],[8,30],[9,109],[8,36],[9,103],[8,17],[5,1],[8,1],[5,5],[8,1],[5,3],[8,15],[9,97],[8,12],[5,1],[8,1],[5,22],[8,11],[9,87],[8,3],[9,5],[8,8],[6,5],[5,26],[1,1],[8,10],[9,82],[8,6],[9,3],[8,8],[6,6],[5,24],[1,3],[5,2],[8,10],[9,79],[8,8],[9,2],[8,6],[6,8],[5,31],[1,1],[8,9],[9,75],[8,15],[6,11],[5,21],[1,6],[5,7],[8,9],[9,71],[8,15],[6,1],[8,1],[6,11],[5,20],[1,9],[5,7],[8,9],[9,68],[8,14],[6,1],[8,1],[6,13],[5,19],[1,11],[5,9],[8,7],[9,65],[8,14],[6,1],[8,1],[6,15],[5,18],[1,11],[5,12],[8,7],[9,62],[8,13],[6,1],[8,1],[2,1],[6,16],[5,18],[1,9],[5,15],[8,7],[9,60],[8,12],[6,1],[8,1],[2,3],[6,16],[5,18],[1,6],[5,20],[8,7],[9,57],[8,11],[6,4],[2,2],[6,17],[5,46],[8,6],[9,54],[8,12],[6,5],[2,1],[6,19],[5,46],[8,6],[9,52],[8,11],[6,7],[2,1],[6,19],[5,25],[1,5],[5,18],[8,5],[9,50],[8,11],[6,27],[5,26],[1,6],[5,18],[8,5],[9,48],[8,12],[6,27],[5,24],[1,8],[5,19],[8,5],[9,46],[8,9],[2,1],[8,2],[2,2],[6,26],[5,24],[1,9],[5,19],[8,5],[9,44],[8,9],[2,6],[6,26],[5,24],[1,11],[5,18],[8,5],[9,42],[8,9],[2,7],[6,26],[5,23],[1,5],[5,1],[1,5],[5,20],[8,5],[9,41],[8,8],[2,8],[6,26],[5,23],[1,12],[5,20],[8,5],[9,40],[8,7],[2,8],[6,27],[5,23],[1,13],[5,20],[8,5],[9,40],[8,5],[2,10],[6,26],[5,26],[1,10],[5,21],[8,5],[9,38],[8,5],[2,9],[6,28],[5,27],[1,7],[5,24],[8,5],[9,36],[8,5],[2,9],[6,29],[5,28],[1,5],[5,26],[8,4],[9,35],[8,5],[6,2],[2,4],[6,33],[5,29],[1,3],[5,28],[8,4],[9,33],[8,5],[6,40],[5,61],[8,4],[9,32],[8,5],[6,40],[5,20],[1,1],[5,41],[8,4],[9,30],[8,5],[6,41],[5,16],[1,3],[5,1],[1,5],[5,37],[8,4],[9,29],[8,5],[6,42],[5,12],[1,18],[5,11],[1,1],[5,21],[8,4],[9,28],[8,4],[6,43],[5,12],[1,17],[5,3],[1,4],[5,2],[1,1],[5,2],[1,1],[5,22],[8,4],[9,26],[8,5],[6,43],[5,12],[1,18],[5,1],[1,5],[5,1],[1,3],[5,1],[1,1],[5,22],[8,4],[9,26],[8,4],[6,44],[5,12],[1,11],[5,1],[1,6],[5,1],[1,3],[5,2],[1,4],[5,25],[8,4],[9,24],[8,5],[6,43],[5,5],[1,1],[5,7],[1,13],[5,1],[1,2],[5,7],[1,2],[5,1],[1,2],[5,25],[8,4],[9,24],[8,5],[6,43],[5,4],[1,4],[5,5],[1,9],[5,2],[1,2],[5,9],[1,8],[5,23],[8,5],[9,22],[8,4],[2,3],[6,43],[5,1],[1,8],[5,3],[1,7],[5,4],[1,1],[5,9],[1,9],[5,24],[8,4],[9,22],[8,4],[2,3],[6,43],[5,1],[1,8],[5,4],[1,5],[5,3],[1,3],[5,9],[1,9],[5,25],[8,4],[9,20],[8,4],[2,4],[6,43],[1,9],[5,4],[1,10],[5,10],[1,9],[5,25],[8,4],[9,20],[8,4],[6,47],[1,10],[5,4],[1,3],[5,2],[1,3],[5,10],[1,10],[5,26],[8,4],[9,18],[8,4],[6,48],[1,10],[5,3],[2,1],[5,1],[2,2],[5,15],[1,9],[5,28],[8,2],[9,19],[8,4],[6,48],[1,9],[2,7],[5,16],[1,9],[5,4],[1,3],[5,21],[8,1],[9,19],[8,4],[6,48],[1,9],[2,8],[5,16],[1,9],[5,3],[1,4],[5,22],[8,1],[9,18],[8,4],[6,48],[1,7],[2,10],[5,16],[1,9],[5,3],[1,5],[5,20],[2,1],[8,1],[9,18],[8,3],[6,50],[1,5],[2,11],[5,16],[1,9],[5,3],[1,5],[5,19],[2,2],[8,2],[9,16],[8,4],[6,50],[5,2],[1,2],[2,13],[5,15],[1,10],[5,3],[1,4],[5,18],[2,3],[5,1],[8,1],[9,16],[8,3],[6,51],[5,3],[2,12],[1,4],[5,14],[1,10],[5,23],[2,4],[5,1],[8,2],[9,15],[8,3],[6,51],[5,3],[2,11],[1,5],[5,15],[1,9],[5,23],[2,5],[5,1],[8,2],[9,14],[8,3],[6,51],[5,3],[2,11],[1,1],[5,2],[1,3],[5,15],[1,10],[5,20],[2,6],[5,1],[8,3],[9,10],[8,1],[9,1],[8,4],[6,51],[5,3],[2,3],[9,3],[8,5],[1,1],[5,3],[1,1],[5,16],[1,12],[5,17],[2,7],[5,1],[8,4],[9,9],[8,5],[4,2],[6,50],[5,3],[2,1],[8,1],[9,5],[8,7],[5,1],[1,1],[5,16],[1,3],[5,5],[1,5],[5,15],[2,9],[8,6],[9,7],[8,5],[4,5],[6,47],[5,1],[8,1],[9,2],[8,1],[9,5],[8,9],[5,6],[4,1],[5,9],[1,2],[5,7],[1,2],[5,1],[1,1],[5,15],[2,9],[Line 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