Generated block class tags

Attach with block_part_tag("horizon:class/fence", part). World open and successful /reload generate these reserved tags from actual class chains, including template mod blocks and recognized ancestors. State variants deduplicate by block key. block includes the root class. Typed tag reads use the same snapshot. Datapack definitions under horizon:class/ are ignored with a warning; ordinary tags remain independent. Failed reload keeps the installed snapshot. Generation costs O(states × chain length) during preparation; dispatch adds no tick work.

Tag	Vanilla class
`horizon:class/block`	`Block`
`horizon:class/air`	`AirBlock`
`horizon:class/amethyst_cluster`	`AmethystClusterBlock`
`horizon:class/anvil`	`AnvilBlock`
`horizon:class/attached_stem`	`AttachedStemBlock`
`horizon:class/azalea`	`AzaleaBlock`
`horizon:class/bamboo_sapling`	`BambooSaplingBlock`
`horizon:class/bamboo_stalk`	`BambooStalkBlock`
`horizon:class/abstract_banner`	`AbstractBannerBlock`
`horizon:class/banner`	`BannerBlock`
`horizon:class/wall_banner`	`WallBannerBlock`
`horizon:class/barrel`	`BarrelBlock`
`horizon:class/base_coral_plant_type`	`BaseCoralPlantTypeBlock`
`horizon:class/base_coral_plant`	`BaseCoralPlantBlock`
`horizon:class/base_coral_fan`	`BaseCoralFanBlock`
`horizon:class/base_coral_wall_fan`	`BaseCoralWallFanBlock`
`horizon:class/coral_plant`	`CoralPlantBlock`
`horizon:class/coral_fan`	`CoralFanBlock`
`horizon:class/coral_wall_fan`	`CoralWallFanBlock`
`horizon:class/coral`	`CoralBlock`
`horizon:class/base_entity`	`BaseEntityBlock`
`horizon:class/base_fire`	`BaseFireBlock`
`horizon:class/fire`	`FireBlock`
`horizon:class/soul_fire`	`SoulFireBlock`
`horizon:class/base_pressure_plate`	`BasePressurePlateBlock`
`horizon:class/pressure_plate`	`PressurePlateBlock`
`horizon:class/weighted_pressure_plate`	`WeightedPressurePlateBlock`
`horizon:class/base_rail`	`BaseRailBlock`
`horizon:class/rail`	`RailBlock`
`horizon:class/powered_rail`	`PoweredRailBlock`
`horizon:class/detector_rail`	`DetectorRailBlock`
`horizon:class/base_torch`	`BaseTorchBlock`
`horizon:class/torch`	`TorchBlock`
`horizon:class/wall_torch`	`WallTorchBlock`
`horizon:class/redstone_torch`	`RedstoneTorchBlock`
`horizon:class/redstone_wall_torch`	`RedstoneWallTorchBlock`
`horizon:class/abstract_bed`	`AbstractBedBlock`
`horizon:class/bed`	`BedBlock`
`horizon:class/straw_bed`	`StrawBedBlock`
`horizon:class/beehive`	`BeehiveBlock`
`horizon:class/beetroot`	`BeetrootBlock`
`horizon:class/bell`	`BellBlock`
`horizon:class/big_dripleaf`	`BigDripleafBlock`
`horizon:class/big_dripleaf_stem`	`BigDripleafStemBlock`
`horizon:class/bonemealable_feature_placer`	`BonemealableFeaturePlacerBlock`
`horizon:class/bubble_column`	`BubbleColumnBlock`
`horizon:class/budding_amethyst`	`BuddingAmethystBlock`
`horizon:class/bush`	`BushBlock`
`horizon:class/button`	`ButtonBlock`
`horizon:class/cactus`	`CactusBlock`
`horizon:class/cactus_flower`	`CactusFlowerBlock`
`horizon:class/cake`	`CakeBlock`
`horizon:class/campfire`	`CampfireBlock`
`horizon:class/abstract_candle`	`AbstractCandleBlock`
`horizon:class/candle`	`CandleBlock`
`horizon:class/candle_cake`	`CandleCakeBlock`
`horizon:class/carpet`	`CarpetBlock`
`horizon:class/wool_carpet`	`WoolCarpetBlock`
`horizon:class/mossy_carpet`	`MossyCarpetBlock`
`horizon:class/carrot`	`CarrotBlock`
`horizon:class/carved_pumpkin`	`CarvedPumpkinBlock`
`horizon:class/abstract_cauldron`	`AbstractCauldronBlock`
`horizon:class/cauldron`	`CauldronBlock`
`horizon:class/lava_cauldron`	`LavaCauldronBlock`
`horizon:class/layered_cauldron`	`LayeredCauldronBlock`
`horizon:class/growing_plant`	`GrowingPlantBlock`
`horizon:class/growing_plant_head`	`GrowingPlantHeadBlock`
`horizon:class/growing_plant_body`	`GrowingPlantBodyBlock`
`horizon:class/cave_vines`	`CaveVinesBlock`
`horizon:class/cave_vines_plant`	`CaveVinesPlantBlock`
`horizon:class/kelp`	`KelpBlock`
`horizon:class/kelp_plant`	`KelpPlantBlock`
`horizon:class/twisting_vines`	`TwistingVinesBlock`
`horizon:class/twisting_vines_plant`	`TwistingVinesPlantBlock`
`horizon:class/weeping_vines`	`WeepingVinesBlock`
`horizon:class/weeping_vines_plant`	`WeepingVinesPlantBlock`
`horizon:class/sign`	`SignBlock`
`horizon:class/standing_sign`	`StandingSignBlock`
`horizon:class/wall_sign`	`WallSignBlock`
`horizon:class/ceiling_hanging_sign`	`CeilingHangingSignBlock`
`horizon:class/wall_hanging_sign`	`WallHangingSignBlock`
`horizon:class/rotated_pillar`	`RotatedPillarBlock`
`horizon:class/chain`	`ChainBlock`
`horizon:class/abstract_chest`	`AbstractChestBlock`
`horizon:class/chest`	`ChestBlock`
`horizon:class/trapped_chest`	`TrappedChestBlock`
`horizon:class/copper_chest`	`CopperChestBlock`
`horizon:class/ender_chest`	`EnderChestBlock`
`horizon:class/chiseled_book_shelf`	`ChiseledBookShelfBlock`
`horizon:class/chorus_flower`	`ChorusFlowerBlock`
`horizon:class/chorus_plant`	`ChorusPlantBlock`
`horizon:class/pipe`	`PipeBlock`
`horizon:class/cocoa`	`CocoaBlock`
`horizon:class/falling_block`	`FallingBlock`
`horizon:class/colored_falling`	`ColoredFallingBlock`
`horizon:class/sand`	`SandBlock`
`horizon:class/concrete_powder`	`ConcretePowderBlock`
`horizon:class/dragon_egg`	`DragonEggBlock`
`horizon:class/comparator`	`ComparatorBlock`
`horizon:class/repeater`	`RepeaterBlock`
`horizon:class/diode`	`DiodeBlock`
`horizon:class/composter`	`ComposterBlock`
`horizon:class/copper_bulb`	`CopperBulbBlock`
`horizon:class/crafter`	`CrafterBlock`
`horizon:class/crafting_table`	`CraftingTableBlock`
`horizon:class/creaking_heart`	`CreakingHeartBlock`
`horizon:class/crop`	`CropBlock`
`horizon:class/cross_collision`	`CrossCollisionBlock`
`horizon:class/daylight_detector`	`DaylightDetectorBlock`
`horizon:class/decorated_pot`	`DecoratedPotBlock`
`horizon:class/directional`	`DirectionalBlock`
`horizon:class/dispenser`	`DispenserBlock`
`horizon:class/dropper`	`DropperBlock`
`horizon:class/door`	`DoorBlock`
`horizon:class/double_plant`	`DoublePlantBlock`
`horizon:class/dried_ghast`	`DriedGhastBlock`
`horizon:class/drop_experience`	`DropExperienceBlock`
`horizon:class/dry_vegetation`	`DryVegetationBlock`
`horizon:class/short_dry_grass`	`ShortDryGrassBlock`
`horizon:class/tall_dry_grass`	`TallDryGrassBlock`
`horizon:class/end_portal_frame`	`EndPortalFrameBlock`
`horizon:class/rod`	`RodBlock`
`horizon:class/end_rod`	`EndRodBlock`
`horizon:class/lightning_rod`	`LightningRodBlock`
`horizon:class/flower`	`FlowerBlock`
`horizon:class/eyeblossom`	`EyeblossomBlock`
`horizon:class/wither_rose`	`WitherRoseBlock`
`horizon:class/face_attached_horizontal_directional`	`FaceAttachedHorizontalDirectionalBlock`
`horizon:class/farmland`	`FarmlandBlock`
`horizon:class/fence`	`FenceBlock`
`horizon:class/fence_gate`	`FenceGateBlock`
`horizon:class/firefly_bush`	`FireflyBushBlock`
`horizon:class/flower_bed`	`FlowerBedBlock`
`horizon:class/flower_pot`	`FlowerPotBlock`
`horizon:class/frogspawn`	`FrogspawnBlock`
`horizon:class/ice`	`IceBlock`
`horizon:class/frosted_ice`	`FrostedIceBlock`
`horizon:class/abstract_furnace`	`AbstractFurnaceBlock`
`horizon:class/glazed_terracotta`	`GlazedTerracottaBlock`
`horizon:class/multiface`	`MultifaceBlock`
`horizon:class/multiface_spreadeable`	`MultifaceSpreadeableBlock`
`horizon:class/glow_lichen`	`GlowLichenBlock`
`horizon:class/sculk_vein`	`SculkVeinBlock`
`horizon:class/snowy`	`SnowyBlock`
`horizon:class/spreading_snowy`	`SpreadingSnowyBlock`
`horizon:class/grass`	`GrassBlock`
`horizon:class/mycelium`	`MyceliumBlock`
`horizon:class/grindstone`	`GrindstoneBlock`
`horizon:class/half_transparent`	`HalfTransparentBlock`
`horizon:class/hanging_moss`	`HangingMossBlock`
`horizon:class/hanging_roots`	`HangingRootsBlock`
`horizon:class/hay`	`HayBlock`
`horizon:class/hopper`	`HopperBlock`
`horizon:class/horizontal_directional`	`HorizontalDirectionalBlock`
`horizon:class/huge_mushroom`	`HugeMushroomBlock`
`horizon:class/infested`	`InfestedBlock`
`horizon:class/infested_rotated_pillar`	`InfestedRotatedPillarBlock`
`horizon:class/iron_bars`	`IronBarsBlock`
`horizon:class/stained_glass_pane`	`StainedGlassPaneBlock`
`horizon:class/jukebox`	`JukeboxBlock`
`horizon:class/ladder`	`LadderBlock`
`horizon:class/lantern`	`LanternBlock`
`horizon:class/leaf_litter`	`LeafLitterBlock`
`horizon:class/leaves`	`LeavesBlock`
`horizon:class/mangrove_leaves`	`MangroveLeavesBlock`
`horizon:class/lectern`	`LecternBlock`
`horizon:class/lever`	`LeverBlock`
`horizon:class/light`	`LightBlock`
`horizon:class/lily_pad`	`LilyPadBlock`
`horizon:class/liquid`	`LiquidBlock`
`horizon:class/loom`	`LoomBlock`
`horizon:class/magma`	`MagmaBlock`
`horizon:class/mangrove_propagule`	`MangrovePropaguleBlock`
`horizon:class/mangrove_roots`	`MangroveRootsBlock`
`horizon:class/moving_piston`	`MovingPistonBlock`
`horizon:class/mud`	`MudBlock`
`horizon:class/mushroom`	`MushroomBlock`
`horizon:class/nether_fungus`	`NetherFungusBlock`
`horizon:class/nether_portal`	`NetherPortalBlock`
`horizon:class/nether_roots`	`NetherRootsBlock`
`horizon:class/nether_sprouts`	`NetherSproutsBlock`
`horizon:class/nether_wart`	`NetherWartBlock`
`horizon:class/note`	`NoteBlock`
`horizon:class/nylium`	`NyliumBlock`
`horizon:class/observer`	`ObserverBlock`
`horizon:class/path`	`PathBlock`
`horizon:class/abstract_skull`	`AbstractSkullBlock`
`horizon:class/skull`	`SkullBlock`
`horizon:class/wall_skull`	`WallSkullBlock`
`horizon:class/piston_base`	`PistonBaseBlock`
`horizon:class/piston_head`	`PistonHeadBlock`
`horizon:class/pitcher_crop`	`PitcherCropBlock`
`horizon:class/speleothem`	`SpeleothemBlock`
`horizon:class/pointed_dripstone`	`PointedDripstoneBlock`
`horizon:class/sulfur_spike`	`SulfurSpikeBlock`
`horizon:class/potato`	`PotatoBlock`
`horizon:class/powder_snow`	`PowderSnowBlock`
`horizon:class/powered`	`PoweredBlock`
`horizon:class/pumpkin`	`PumpkinBlock`
`horizon:class/red_stone_ore`	`RedStoneOreBlock`
`horizon:class/redstone_lamp`	`RedstoneLampBlock`
`horizon:class/redstone_wire`	`RedstoneWireBlock`
`horizon:class/respawn_anchor`	`RespawnAnchorBlock`
`horizon:class/rooted_dirt`	`RootedDirtBlock`
`horizon:class/sapling`	`SaplingBlock`
`horizon:class/scaffolding`	`ScaffoldingBlock`
`horizon:class/sculk_sensor`	`SculkSensorBlock`
`horizon:class/calibrated_sculk_sensor`	`CalibratedSculkSensorBlock`
`horizon:class/sculk_shrieker`	`SculkShriekerBlock`
`horizon:class/sea_pickle`	`SeaPickleBlock`
`horizon:class/seagrass`	`SeagrassBlock`
`horizon:class/shelf`	`ShelfBlock`
`horizon:class/shelf_mushroom`	`ShelfMushroomBlock`
`horizon:class/shulker_box`	`ShulkerBoxBlock`
`horizon:class/slab`	`SlabBlock`
`horizon:class/small_dripleaf`	`SmallDripleafBlock`
`horizon:class/sniffer_egg`	`SnifferEggBlock`
`horizon:class/snow_layer`	`SnowLayerBlock`
`horizon:class/soul_sand`	`SoulSandBlock`
`horizon:class/sponge`	`SpongeBlock`
`horizon:class/wet_sponge`	`WetSpongeBlock`
`horizon:class/spore_blossom`	`SporeBlossomBlock`
`horizon:class/stair`	`StairBlock`
`horizon:class/stem`	`StemBlock`
`horizon:class/stonecutter`	`StonecutterBlock`
`horizon:class/sugar_cane`	`SugarCaneBlock`
`horizon:class/sweet_berry_bush`	`SweetBerryBushBlock`
`horizon:class/tall_flower`	`TallFlowerBlock`
`horizon:class/tall_grass`	`TallGrassBlock`
`horizon:class/tall_seagrass`	`TallSeagrassBlock`
`horizon:class/target`	`TargetBlock`
`horizon:class/tnt`	`TntBlock`
`horizon:class/torchflower_crop`	`TorchflowerCropBlock`
`horizon:class/trap_door`	`TrapDoorBlock`
`horizon:class/trip_wire`	`TripWireBlock`
`horizon:class/trip_wire_hook`	`TripWireHookBlock`
`horizon:class/turtle_egg`	`TurtleEggBlock`
`horizon:class/vegetation`	`VegetationBlock`
`horizon:class/vine`	`VineBlock`
`horizon:class/wall`	`WallBlock`
`horizon:class/waterlogged_transparent`	`WaterloggedTransparentBlock`
`horizon:class/weathering_copper_full`	`WeatheringCopperFullBlock`
`horizon:class/web`	`WebBlock`
`horizon:class/copper_golem_statue`	`CopperGolemStatueBlock`
`horizon:class/beacon`	`BeaconBlock`
`horizon:class/brewing_stand`	`BrewingStandBlock`
`horizon:class/brushable`	`BrushableBlock`
`horizon:class/conduit`	`ConduitBlock`
`horizon:class/enchanting_table`	`EnchantingTableBlock`
`horizon:class/end_gateway`	`EndGatewayBlock`
`horizon:class/end_portal`	`EndPortalBlock`
`horizon:class/spawner`	`SpawnerBlock`
`horizon:class/trial_spawner`	`TrialSpawnerBlock`
`horizon:class/vault`	`VaultBlock`
`horizon:class/barrier`	`BarrierBlock`
`horizon:class/structure_void`	`StructureVoidBlock`
`horizon:class/command`	`CommandBlock`
`horizon:class/structure`	`StructureBlock`
`horizon:class/jigsaw`	`JigsawBlock`
`horizon:class/test_block`	`TestBlock`
`horizon:class/test_instance_block`	`TestInstanceBlock`
`horizon:class/smithing_table`	`SmithingTableBlock`
`horizon:class/cartography_table`	`CartographyTableBlock`
`horizon:class/netherrack`	`NetherrackBlock`
`horizon:class/sculk`	`SculkBlock`
`horizon:class/sculk_catalyst`	`SculkCatalystBlock`
`horizon:class/potent_sulfur`	`PotentSulfurBlock`
`horizon:class/honey`	`HoneyBlock`
`horizon:class/slime`	`SlimeBlock`
`horizon:class/heavy_core`	`HeavyCoreBlock`
`horizon:class/crying_obsidian`	`CryingObsidianBlock`

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