docs: add VIBE + RULES — server philosophy + enforcement

RULES.md

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+# Rules
+
+Short list. Not comprehensive. Read the [VIBE](VIBE.md) for the spirit
+of the place. Rules below are enforced.
+
+---
+
+## 1. No exploits
+
+- No client-side modifications that grant in-game advantage. This
+  means no x-ray packs, no killaura, no fly hacks, no item dupes via
+  client mods.
+- Server already runs anti-xray engine-mode 2 + GrimAC-class checks.
+- Texture packs that don't change game logic are fine. Optifine is
+  fine. Sodium/Lithium client mods are fine. JEI/REI is fine.
+
+## 2. No automated farming the server itself
+
+- Lag-causing redstone (large 0-tick farms, over-large mob grinders)
+  may be removed without warning if they push TPS below 18.
+- We're tuning for 10 concurrent. Build like ten people are watching.
+
+## 3. No bots, no auto-fishing, no auto-anything
+
+- Multi-account farms are fine if they're operated by you, sitting
+  there. AFK macros are not.
+- Bot accounts that join and never auth get killed by EpicGuard. If
+  yours gets caught, that's on you for not registering.
+
+## 4. Don't grief the spawn area
+
+- Spawn protection is off (vanilla `spawn-protection: 0`). That means
+  you CAN grief. It also means I can ban you for griefing the spot
+  new players land. Use your head.
+
+## 5. Land claims are real, ignoring them is not
+
+- Lands and Homestead plugins both run. If a chunk is claimed and
+  you're not trusted, breaking blocks is denied. Bypass attempts =
+  ban.
+- Want a base safe? Claim it. Don't claim it = anarchy applies.
+
+## 6. Chat behaves
+
+- No racism, no slurs, no targeted harassment. This isn't a
+  "free speech" experiment, it's a server I run for friends.
+- CoreProtect logs everything. Mute is per-incident, ban is for
+  patterns.
+
+## 7. Bans are last-resort
+
+- I'd rather talk to you on Discord than reach for `/ban`.
+- If banned, you can appeal. Once. Be honest about what you did.
+
+## 8. Account names
+
+- First-come first-served. Pick a name, register it via AuthMe on
+  first join. After that, that name is yours.
+- Don't impersonate. If your name is `notch_admin` you're getting
+  renamed.
+
+## 9. Trade and economy
+
+- `/shop` (admin sell-only) and `/ah` (player auction house) are
+  Vault-backed in-game money only. No real-money trading. No
+  cross-server trade.
+
+## 10. Anything I forgot
+
+- I trust common sense more than rule legalism. If something feels
+  scummy, don't do it.
+
+---
+
+## Staff
+
+| Rank | What they can do |
+|---|---|
+| Owner (`[⛧]`) | Everything. Server admin. |
+| Admin | Ban, mute, rollback. |
+| Moderator | Mute, kick, lookup logs. |
+| Dev | Read-only debug + reload commands. |
+
+Player ranks (Adventurer → Settler → Lord → Baron → Viscount → Earl
+→ Marquess → Duke) are flavor, not power. They unlock cosmetic
+prefixes and slightly more land-claim chunks. No pay-to-rank-up. They
+come from playtime + nominations.
+
+---
+
+## Reporting
+
+- DM me on Discord (link via the auth-limbo prompt or the website).
+- Or file an issue on this repo if it's about the server itself.
+
+---
+
+## Changes
+
+Rules can change. I'll post the diff in Discord and update this file.
+The git history is the source of truth — if it's not committed, it's
+not a rule.

VIBE.md

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+# Vibe
+
+racked.ru is a Minecraft server I run because I wanted somewhere I'd
+actually want to play. It's not a network. It's not a community
+platform. It's one box, one world, and the people I'd invite over.
+
+---
+
+## What it feels like
+
+Anarchy-leaning, but with land claims. If you're smart, you keep your
+stuff. If you're dumb, you get raided and you start over. That's the
+whole loop. No staff babysitting, no `/back` after you die in lava.
+Hard difficulty, denser mob spawning than vanilla, sleep-skip
+requires half the players agreeing. Phantoms still come for you.
+
+50% sleeping percentage. More mobs than vanilla. Hard difficulty.
+Server doesn't catch you when you fall.
+
+---
+
+## What it isn't
+
+- Not pay-to-win. There's no donor tier. There may never be.
+- Not a hub network. One world, one queue (none yet), one chat.
+- Not telemetry-friendly. No analytics, no Mojang account requirement,
+  no Microsoft login forced.
+- Not pretending to be vanilla. Plugins exist where they earn it
+  (claims, anti-grief, chat formatter). Most QoL plugins are off.
+
+---
+
+## Why offline-mode
+
+So friends can play without a Microsoft account. AuthMe handles
+account passwords server-side, custom auth-limbo plugin handles the
+login restore (separate AGPL repo: github.com/s8n-ru/auth-limbo).
+Names are owned by whoever registers first. Pick a unique handle.
+
+---
+
+## Performance
+
+10 chunk view-distance, 32 chunk send-view-distance (Paper trick:
+chunks streamed for visuals but not ticked). 12 chunk simulation. 16
+GB heap on a 6-core box. 10k-block world border so worldgen abuse
+can't blow up the host. Chunky pre-generates the border before
+opening so first-visit lag is gone.
+
+If TPS drops, blame me. There's a spark profiler installed.
+
+---
+
+## Backups
+
+Daily configs, no world backups (it'd eat too much disk). If you lose
+a base to grief, that's the game. If the server crashes overnight, I
+roll back manually from whatever offline copy I have. This is a
+feature, not a bug.
+
+---
+
+## What's running
+
+Stack at a glance — full list in [docker-compose.yml](docker-compose.yml):
+
+- Purpur 1.21.11
+- AuthMe-ReReloaded (offline auth)
+- AuthLimbo (custom — login restore + void limbo world)
+- LuckPerms (ranks + perms)
+- TAB (tab list)
+- CarbonChat (chat formatter)
+- Lands + Homestead (claims)
+- EssentialsX, CoreProtect, FastAsyncWorldEdit
+- EpicGuard (anti-bot)
+- Chunky (pre-gen)
+- ProAntiTab (command-tab safety)
+- spark (profiler)
+
+---
+
+## Vision drift checklist
+
+If something gets added, it should pass:
+
+1. Does it earn its bytes? (≤5MB jar preferred, no premium SaaS deps)
+2. Does it respect player privacy? (no telemetry, no third-party data
+   share)
+3. Does it match the monochrome aesthetic? (no rainbow chrome
+   chat plugins, no donor-tier neon prefixes)
+4. Does it stay out of the way? (no chat spam, no nag windows, no
+   `/help` directory walls)
+5. Open-source preferred (AGPL/GPL/MIT/Apache).
+
+If a plugin fails 2 of those, it leaves.
+
+---
+
+Built for racked.ru. Not for sale. Not for franchise.