217 lines
8.5 KiB
Markdown
217 lines
8.5 KiB
Markdown
# ZeroLagHub — Master Bootstrap (April 2026)
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**For**: Claude (strategic/architecture sessions)
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**Last Updated**: April 7, 2026
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**Supersedes**: ZeroLagHub_Master_Bootstrap_Dec2025.md
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**Source refs**: zlh-grind/SCRATCH/handover-apr-2026.md, zlh-grind/PROJECT_CONTEXT.md, zlh-grind/OPEN_THREADS.md
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---
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## AI Role Split
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| AI | Role | Workspace |
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|----|------|-----------|
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| **Claude** | Architecture, strategy, design decisions, cross-cutting concerns | `jester/knowledge-base` |
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| **GPT (Ceàrd)** | Implementation, code changes, verification, session continuity | `jester/zlh-grind` |
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**Hard rule**: GPT must not make architecture decisions. If architectural interpretation is required, stop and defer to Claude or canonical docs.
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**Claude's session start checklist**:
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1. Read this file
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2. Read `ZeroLagHub_Cross_Project_Tracker.md` (locked decisions + boundaries)
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3. Reference `INFRASTRUCTURE.md` in `zlh-grind` for current IPs/VMs
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---
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## What ZeroLagHub Is
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Game server hosting platform targeting modded and indie Minecraft.
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**Competitive advantages**:
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- LXC containers (20-30% performance over Docker)
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- Custom Go agent architecture — purpose-built, not adapted generic tooling
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- Open-source stack (30-40% cost advantage)
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- Developer-to-player pipeline: mod devs become a distribution channel
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**System posture as of Apr 2026**: Stable. Controlled expansion phase. Detroit migration complete.
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---
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## Infrastructure
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**Single host**: GTHost Detroit
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Supermicro 2029TP-HTR, Xeon Gold 6152 22c/44t, 192GB DDR4, 2×1.92TB SSD, $99/mo, Proxmox VE 9.x
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**Denver host**: Fully decommissioned April 2, 2026. OS wiped, disks striped.
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### Active VMs (all 9000s range — authoritative in zlh-grind/INFRASTRUCTURE.md)
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| VM | Name | Role |
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|----|------|------|
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| 9001 | zlh-router | OPNsense, WAN 66.163.115.221 |
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| 9002 | zpack-router | OPNsense, WAN 66.163.115.115 |
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| 9010 | zpack-dns | Technitium DNS |
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| 9011 | zlh-proxy | Caddy reverse proxy |
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| 9012 | zpack-proxy | Traefik v3 — game/dev edge routing + wildcard TLS |
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| 9014 | zlh-artifacts | Caddy file server — runtime binaries + server jars |
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| 9015 | zpack-velocity | Velocity 3.5 — Minecraft proxy |
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| 9017 | zlh-back | PBS backup + Backblaze B2 |
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| 9020 | zpack-api | Node.js API, MariaDB, Redis |
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| 9021 | zpack-portal | Next.js frontend |
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**LXC containers**:
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- Game containers: IDs 5000+
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- Dev containers: IDs 6000+
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- Base template: ID 820 (zlh-base)
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**Legacy VMs (NOT active production)**: 100 (zlh-panel), 101 (zlh-wings), 103 (zlh-api), 1000 (zlh-router)
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---
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## Naming Conventions
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- `zlh-*` = core infrastructure (DNS, monitoring, backup, routing, artifacts)
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- `zpack-*` = game and dev server stack (portal, API, containers)
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---
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## Stack
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**API (zpack-api, VM 9020)**: Node.js ESM, Express 5, Prisma 6, MariaDB, Redis, BullMQ, JWT, Stripe, argon2, ssh2, WebSocket, http-proxy-middleware
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**Portal (zpack-portal, VM 9021)**: Next.js 15, TypeScript, TailwindCSS, Axios, WebSocket console. Sci-fi HUD aesthetic (steel textures, neon accents, beveled panels).
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**Agent (zlh-agent)**: Go 1.21, stdlib HTTP, creack/pty, gorilla/websocket. Runs inside every game/dev container. Only process with direct filesystem access. Pulls runtimes + server jars from zlh-artifacts (VM 9014).
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---
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## Architecture Rules (Locked)
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These cannot be changed without an explicit "Revisit decision X" conversation with Claude.
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| # | Decision |
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|---|----------|
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| DEC-001 | Templates + Agent hybrid (not templates-only or agent-only) |
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| DEC-002 | API orchestrates, Agent executes (never reversed) |
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| DEC-003 | API owns DNS (Agent never creates DNS records) |
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| DEC-004 | Traefik + Velocity only (no HAProxy) |
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| DEC-005 | MariaDB is source of truth (no flat files) |
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| DEC-006 | Frontend → API only (no direct agent calls) |
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| DEC-007 | Drift prevention mandatory |
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| DEC-008 | Control plane uses IP env vars, not internal.zlh DNS in hot paths |
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| DEC-009 | Redis never restored from backup — always start clean |
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| DEC-010 | Vanilla Minecraft servers use Fabric loader + FabricProxy-Lite (not vanilla JAR) |
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| DEC-011 | Velocity forwarding mode = `modern` (not `none` — breaks UUID stability) |
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---
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## Control Plane Architecture
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```
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Browser
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→ Traefik (zpack-proxy, 10.70.0.242) — TLS termination, domain routing
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→ API (10.60.0.245:4000) — orchestration, auth, state
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→ Agent (:18888) — container execution (game + dev)
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```
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- Agent is HTTP server on :18888, internal only. API is the only caller.
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- Portal never calls agents directly.
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- Service-to-service communication uses IP env vars, not DNS FQDNs.
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- Upload transport: raw `http.request` piping (`req.pipe(proxyReq)`), never `fetch()`.
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### Dev IDE Access (Browser — Current Working Model)
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```
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Browser → dev-<vmid>.zerolaghub.dev → Traefik → API → container:6000
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```
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Flow: frontend calls `POST /api/dev/:id/ide-token` → API returns hosted URL → browser opens → Traefik wildcard routes to API → API validates token, sets HTTP-only cookie, proxies to code-server. Browser-verified end-to-end.
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---
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## Game Support
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**Production**: Minecraft (Vanilla/Fabric/Paper/Forge/Neoforge), Rust, Terraria, Project Zomboid
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**Pipeline**: Valheim, Palworld, Vintage Story, Core Keeper
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**Target market**: Modded/indie games vs mainstream providers
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---
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## Developer-to-Player Revenue Pipeline
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```
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LXC Dev Environment ($15-40/mo)
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→ Game/mod creation + testing
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→ Testing servers (50% dev discount)
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→ Player community referrals (25% player discount)
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→ Developer revenue share (5-10% commission)
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→ Viral growth
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```
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Revenue multiplier: 1 developer → ~10 players → $147.50/mo total from one developer acquisition.
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---
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## Current System State (April 7, 2026)
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**System is stable and deterministic** following stabilization work this week.
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### Resolved
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- ✅ Duplicate server creation (was frontend issue, not API)
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- ✅ DB/Redis state drift from Denver→Detroit migration
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- ✅ Console routing (browser → API → agent)
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- ✅ IP-based control plane (internal.zlh removed from hot paths)
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- ✅ Velocity rehydration (uses DB + Redis, not Proxmox live state)
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- ✅ Denver fully decommissioned
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### Active Issue: Fabric Readiness Gating (agent fix needed)
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**Root cause**: Velocity registration fires before Fabric server is ready to accept proxy traffic → "proxy starting" errors until Velocity restart.
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**Fix**: Gate Velocity registration behind TCP probe success (port 25565). Agent already runs probe — registration must fire after probe returns success, not at process start.
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**Scope**: Agent only. No Velocity or FabricProxy-Lite changes needed.
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**Ref**: `zlh-grind/SCRATCH/session-stabilization-fabric-findings.md`
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---
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## Pre-Launch Blockers
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In priority order:
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1. **Billing / Stripe** — cannot take payments, hard launch blocker
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2. **Game server world backup/restore** — trust-critical, player retention risk
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3. **User onboarding flow** — guided first-server creation after registration
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4. **Fabric readiness gating** — agent TCP probe gate (see above)
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5. **Password reset flow** — verify fully wired
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6. **Usage limits / quota enforcement** — prevent unbounded server creation
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7. **Email notifications** — crash, billing, provisioning complete
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8. **Upload testing** — end-to-end in dev containers
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9. **Billing endpoints** — add back to API
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10. **Stress testing** — k6 IDE session load + Minecraft bot + code-server memory baseline
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11. **OPNsense audit** — both routers need systematic validation
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12. **Service discovery migration** — replace remaining internal.zlh refs in hot paths
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13. **Provisioning validation** — single controlled creation, confirm 1 record / 1 job / 1 execution
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---
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## Repo Registry
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| Repo | Purpose |
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|------|---------|
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| `jester/knowledge-base` | Claude's home — architecture, strategy, canonical decisions |
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| `jester/zlh-grind` | GPT's workspace — execution continuity, session handovers, debug notes |
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| `jester/zlh-docs` | API/agent/portal operational reference docs |
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| `jester/zpac-api` | API source (mirror) |
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| `jester/zpac-portal` | Portal source (mirror) |
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| `jester/zlh-agent` | Agent source (Go) |
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---
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## Session Guidance for Claude
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- **Architecture decisions belong here** — if GPT hits an architectural question, it should stop and bring it to Claude
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- `zlh-grind` is GPT's execution ledger, not an architecture source
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- `zlh-grind/INFRASTRUCTURE.md` is authoritative for current IPs and VM inventory
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- `zlh-grind/OPEN_THREADS.md` has full active + outstanding work
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- `zlh-grind/SCRATCH/` has detailed debug docs for specific topics
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- Do not mark unimplemented work as complete
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- Game publish flow must never be modified by dev routing changes
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