Port NMS compat layer from v1_21_R7 to target CraftBukkit 26.1-R0.1-SNAPSHOT with Java 25. Key changes from the v1_21_R7 base:

Build & mapping changes:
- Set remapServerCode=false since Spigot mapping remap is no longer needed
- Target Java 25 (options.release.set(25))
- Remove versioned CraftBukkit import paths (org.bukkit.craftbukkit.v1_21_R7.* -> org.bukkit.craftbukkit.*) for Paper's unversioned classloader

API migrations:
- Replace DyeItem.getDyeColor() with DataComponents.DYE item component lookups in EntityMySheep, EntityMyCat, and EntityMyWolf
- Replace LiquidBlock.SHAPE_STABLE with Block.column(16, 0, 8) in EntityMyStrider for lava float collision
- Replace ItemParticleOption(ParticleType, ItemStack) with ItemParticleOption(ParticleType, Item) in MyPetEgg
- Replace Entity.saveWithoutId(CompoundTag) with TagValueOutput-based serialization in PlatformHelper.entityToTag

Reflection deobfuscation (server jar now ships Mojang-mapped):
- EntityRegistry: "l"->"frozen", "m"->"unregisteredIntrusiveHolders", "k"->"allTags", "g"->"ENTITY_TYPE", "a"->"unbound", "u"->"refreshTagsInHolders", "d"->"toId"
- PlatformHelper: "ad"->"dragonParts", "a"->"readParticle"
- EntityConverterService: "ch"->"foodLevel", "cm"->"lastRestockGameTime", "ck"->"lastGossipDecayTime", "cn"->"numberOfRestocksToday", "cr"->"assignProfessionWhenSpawned"
- ItemStackNBTConverter: "v"->"list"
- Remove unnecessary reflection for public ParticleTypes fields (PORTAL, ITEM_SNOWBALL) — use direct access instead

Version detection:
- Add 26.1->v26_1_R1 mapping to versionmatcher.csv
- Fix CompatUtil regexes to handle multi-digit major versions (\d -> \d+)

Remove RawMessage dependency, replace with Spigot BaseComponent API:
- Replace all RawMessage usage with Spigot's net.md_5.bungee.api.chat (TextComponent, HoverEvent, ClickEvent, TranslatableComponent)
- Send messages via player.spigot().sendMessage() instead of tellRawTo() which dispatched /tellraw commands
- Convert ShowItemAction pet stat hovers to HoverEvent(SHOW_TEXT) with formatted text lines
- Remove compileOnly, shade, and relocate entries from all build files

Tested on Paper 1.8.8, 1.21.11, and 26.1