Iustitia Anti-Cheat

TLDR: /ius record, /ius chathist, huge replay/playclip overhaul.

Chat history

• /ius chathist keeps a per-player chat log. It parses past rank, star, and suffix decoration on the servers people actually play (Hypixel, ArchMC, Minemen, McPvP, PvPHQ etc) to recover the real sender and message.
• Per-server and persistent. Search by player, by phrase, or both.
• Side-panel view opens a transcript in a corner overlay while the game keeps running, with auto-open on the latest transcript and long messages wrapping to the next line.

Recording and replay

• /ius record for manual long recordings when the 60-second replay window is not enough.
• /ius replay save exports the active replay to a portable .iusclip.
• Codec v8 renders held items and armor on playclip/replay ghosts.
• Static GPU chunk mesh for MODERN /ius playclip, a meaningful FPS fix.
• Clips now sync with the live view: hurt flash, health, totem counter, and a block-state fix.
• Ghosts interpolate between recorded ticks for smooth slow-mo, with billboard nametags and hold-on-end instead of auto-exit across all three modes.
• Freecam gains a velocity model with acceleration and drag plus per-frame tickDelta interpolation for spectator-smooth camera.
• New replayToggle keybind (numpad *) with a configurable replayKeybindSeconds (default 30).

Checks

• Three 1.21+ PvP quick wins: strafe omnisprint, through-walls match-rate, packet-gap cadence.
• Spear reach lag-comp, a no-damage burst exemption, and chunk-playclip entity suppression.
• Checks now self-explain across hover, transcript, and snapshot.

Other

• SafeStringArgument silences the Brigadier "Ambiguity between arguments" warnings.

Requirements unchanged: Fabric Loader, Fabric API, Fabric Language Kotlin, Minecraft 1.21.11. Run /ius help for the full command list.