brass-and-sigil/docs/economy-handoff-overnight-2026-06-06.md

Economy V1 — overnight build handoff

Built 2026-06-06 / 23:00-23:55 UTC. All shipped via PR #67 (v0.33.0). Server running clean at port 25565. All scripts verified loaded with 0 errors.

TL;DR — what to test tomorrow

A full command-driven economy is live. Pure-server (no client mod yet), works in chat and over the Telegram bridge equally. Open the in-game chat or telnet and try:

/bns help            ← top of the iceberg
/bns me              ← your status

That alone surfaces every command available. Below is the deeper walkthrough.

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What ships

1. 13-tier civic ladder (/bns tier upgrade)

Every player has a tier integer (1-13) in their NBT. New joiners are auto-set to tier 1 (Peasant). Upgrading costs spurs and runs ftbranks add <player> <rank> to apply the rank's permission nodes (chunk allowance, name format).

#	Title	Cost to reach	Chunk allowance	Plot slots	Bounty slots	Shop fee
1	Peasant	0	9	0	3	25%
2	Farmer	200	18	0	3	25%
3	Citizen	750	35	1	3	25%
4	Merchant	2,500	60	1	4	23%
5	Knight	6,500	100	2	4	20%
6	Baron	15,000	150	2	5	18%
7	Viscount	35,000	220	3	5	16%
8	Earl	75,000	300	3	6	14%
9	Marquess	150,000	400	4	6	12%
10	Duke	300,000	525	5	7	10%
11	Archduke	700,000	700	6	7	8%
12	Grand Duke	1,500,000	900	7	8	6%
13	Sovereign	10,000,000	1,500	10	10	0%

Test it:

• /bns me shows your tier + balance + everything else
• /bns admin tier set <player> <1-13> to jump anyone instantly
• /bns admin tier list shows the full table in-chat
• /give @s numismatics:spur 64 for testing money
• /bns tier upgrade pays + promotes

2. Bazaar sell shop (/bns sell)

Sell raw commodities for spurs. Tier discount reduces a flat 25% Bazaar fee. Diminishing returns lower the per-unit payout as you sell more of the same item over a lifetime (10% per 64 sold, floor 50%).

Item	Base price
Diamond	10 spurs
Netherite ingot	100
Emerald	1
Gold ingot	2
Iron ingot	1
Lapis	1
Redstone	1
Coal	1
Ancient debris	500

Test it:

• /bns sell list — your effective prices right now (after fee + DR)
• /bns sell minecraft:diamond 8 sells 8 diamonds
• Sell ~70 diamonds and watch the per-unit price drop as the DR kicks in

3. Bounty engine (/bns bounty)

20 bounties in the catalogue. Each player gets a random 5 from the pool, refreshed every 24h per-player. Slot cap = your tier (3 at Peasant, up to 10 at Sovereign).

States: AVAILABLE → ACTIVE → READY → COMPLETED → (24h cooldown) → AVAILABLE.

• Kill bounties auto-track via EntityEvents.death — you'll get progress messages in chat
• Cancelling applies the same 24h cooldown as completing (no RNG-shopping)

Highlights from the pool:

• Slay 10 Zombies — 15 spurs
• Hunt 5 Plunderers — 75
• Slay 3 Wither Skeletons — 150
• Slay a Skreecher — 400
• Slay the Warden — 800
• Slay a Warped Mosco — 700
• Slay the Farseer — 900
• Destroy a Void Worm — 1,200

Test it:

• /bns bounty list — what's on offer for you today
• /bns bounty accept b_zombie_10 — accept
• Kill 10 zombies — progress chat messages every 5, ready notification at 10
• /bns bounty active — see your accepted with progress
• /bns bounty turnin b_zombie_10 — claim 15 spurs

4. Plot system (multi-slot) (/bns plot)

Existing plot system (3 plots at chunks 10,10 / 12,10-11 / 14-15,10-11) now supports tier-based multi-ownership. Slot cap from your tier (0 at Peasant, up to 10 at Sovereign).

• /bns plot list — all plots, their state, prices
• /bns plot buy <id> — claim it (must be Citizen+ for at least 1 slot)
• /bns plot release <id> — 50% refund, opens slot
• /bns plot mine — list your owned plots

You'll need at least Citizen (tier 3) for any plot. You can't buy a plot at Peasant.

5. Waystones + welcome (pre-existing, untouched)

• One starter Waystone given on first login (per existing welcome.js)
• Waystone placement cap of 1 per player (per existing waystones_policy.js)
• Sharestones / Portstones banned via existing config

6. FTB Ranks 13-rank config

Live at world/serverconfig/ftbranks/ranks.snbt. Each rank has:

• ftbchunks.max_claimed_chunks (sets the FTB Chunks claim cap)
• ftbchunks.max_force_loaded_chunks (set to ~15% of claim cap)
• ftbranks.name_format (chat colour)

FTB Ranks auto-applies peasant to all players via condition: always_active. Tier-up commands set the rank explicitly. The admin rank with condition: op overrides everyone — you'll appear as Admin in chat regardless of your civic tier, useful for op-mode actions.

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What's deferred

Villager trade rebalance

Blocked. KubeJS 2101.7.2 doesn't ship a villager-trade event. I verified by extracting the KubeJS jar — ServerEvents only exposes command, loaded, recipes, registry, tags, tick, unloaded. No villagerTrades. No KubeJS-villager-trade addon on Modrinth for NeoForge 1.21.1.

Options to unblock later:

1. Add a third-party trade-overrides mod — needs research (Villager Trade Tables-style mod for 1.21.1 NeoForge)
2. Build into the custom mod — KubeJS calls into Java mixin
3. Mixin via a tiny standalone mod — minimal Java project that just rebalances trades from a JSON

For now: vanilla villager trades remain. The 60+ trades I drafted live in the commit history (deleted file pack/overrides/kubejs/server_scripts/economy/01_villager_rebalance.js, restore from git when we unblock the API).

Custom UI mod (bnstoolkit)

Deferred to a session where you can iterate visually. No Java/Gradle toolchain on glados, and the screens (QuestLog, BountyBoard, TierUpgrade, PlotPurchase, ShopBrowser, HUD, FTB Chunks mixin) all need visual feedback I can't get blind overnight.

The complete architecture spec is in docs/bnstoolkit-architecture.md — when you're ready to build, that's the source of truth. The KubeJS substrate I shipped tonight is exactly the backend the mod will sit on top of.

Spawn build

Your manual task. The economy works from anywhere right now — no spawn buildings needed.

FTB Quests progression chapters

Needs your arc design (themes, milestones). Mod is installed; the campaign content isn't.

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Files added/changed (PR #67)

pack/overrides/kubejs/server_scripts/economy/
  00_tier_system.js       NEW (170 lines)
  02_sell_shop.js         NEW (197 lines)
  03_bounty_engine.js     NEW (347 lines)
  04_player_commands.js   NEW (146 lines)
pack/overrides/kubejs/server_scripts/
  plots.js                MODIFIED (+86 lines — multi-slot)
pack/overrides/world/serverconfig/ftbranks/
  ranks.snbt              NEW (122 lines — 13 ranks)
pack/pack.lock.json        version bump → 0.33.0

Quick recovery if something goes wrong

If a script errors at startup, KubeJS logs to:

/srv/fast/brass-sigil-server/server/logs/kubejs/server.log

To hot-reload KubeJS server scripts without a server restart:

/kubejs reload server_scripts

To revert this PR entirely if it bricks something:

cd /home/matt/dev/brass-and-sigil
git revert <PR-67-merge-commit-hash>
git push origin main

The next pack-version-sync at MC server restart will undo all the changes.

Suggested testing path

1. /bns me — sanity check, you should be Peasant tier 1
2. /give @s numismatics:spur 500 — give yourself spurs
3. /bns tier upgrade — should pay 200 and bump you to Farmer
4. /bns tier upgrade again — should pay 550 (the difference up to Citizen at 750) … actually wait — the cost is per-tier-to-reach. Each upgrade costs the NEXT tier's listed cost. So Peasant → Farmer = 200, Farmer → Citizen = 750, Citizen → Merchant = 2,500. Worth balance-checking in playtest.
5. /bns admin tier set <you> 13 — jump to Sovereign for testing
6. /bns me — should show Sovereign + 10 plot slots + unlimited everything
7. /bns plot list — should show 3 plots available
8. Stand in the relevant chunks (e.g. chunk 10,10), /bns plot buy p001
9. /bns bounty list — random 5 from pool
10. Accept one, kill enough mobs, turn in
11. /bns sell list — see effective prices
12. /bns sell minecraft:diamond 4 (if you have diamonds)

If any step fails, the KubeJS log tells you why. Ping me with the error and I'll patch tomorrow.

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What I'd build next session

In priority order:

1. bnstoolkit mod scaffolding (M0) — need to install Java/Gradle on glados first. Empty Gradle project that builds + loads cleanly. Probably 4-6 hours of focused work.
2. TierUpgrade GUI (M1) — first screen in the mod, replaces the /bns tier upgrade text flow with a visual ladder + Upgrade button.
3. BountyBoard GUI (M3, after M0 is done) — replaces the chat-based /bns bounty list/accept with a poster-board screen.

Or — if you'd rather playtest the command-driven version first and only build the UI once the mechanics feel right — that's a perfectly defensible choice. The CLI version is fully functional.