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## v0.3.0+26.1.2: Servux Direct Paste end-to-end ### Added - Real Litematica 0.27.6 clients can now Direct-Paste their schematics to the server with full block-state, tile-entity, entity and pending-tick fidelity, validated in production with 869,514 blocks + 6,516 TEs in 5.6 s. - Inline `LitematicaPaste` task handler (the maruohon Litematica payload schema, separate from the upstream Servux multi-frame Transmit protocol; both now handled). - Servux BulkRequest fulfillment with per-player rate limiter. - Easy Place V3 server-side scaffold (PacketEvents 2.7, gated off by default). - Java protocol bot for autonomous validation (`test-harness/protocol-bot/`). - Local Fabric client harness for visual smoke testing. ### Fixed - Brigadier `StackOverflowError` at command registration (recursive flag dedup via bitmask). - `/litematica paste` parses off the command thread → no more Folia Watchdog ERRORs on big files. - `PackedLongArray` switched to compact cross-word packing (the `.litematic` format). - 7 Servux wire-format discrepancies vs upstream `sakura-ryoko/servux 26.1.2-0.10.2`. - PacketSplitter cap raised 16 MiB → 128 MiB, configurable. - Proactive `S2C_METADATA` push 3 s after PlayerJoin so Litematica clients enter Servux mode without user action. ### Production gotchas documented (in README + TUTORIAL) - Litematica client config: **must** set `ENTITY_DATA_SYNC = true` in Generic config; `PASTE_USING_SERVUX = true` alone is useless. - Velocity 3.5: set `[packet-limiter] decompressed-bytes-per-second = -1` (default 5 MiB/s kicks Direct Paste). - Paper: add `-Dpaper.playerconnection.keepalive=120` for clients running DataFixer on old `.litematic` files. ### Performance - 4,194,304 blocks + 629,533 tile entities in 9.5 s (stress fixture). - 870 k blocks + 6.5 k tile entities in 5.6 s (real client Direct Paste). - 62 JUnit tests + 3 smoke harnesses all green.