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zlh-grind/OPEN_THREADS.md

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Open Threads — zlh-grind

This file tracks active but unfinished work.

Keep it short.

Agent (zlh-agent)

Dev Runtime System

Completed:

  • catalog validation implemented
  • runtime installs artifact-backed
  • install guard implemented
  • all installs now fetch from artifact server (no local artifact assumption)

Outstanding:

  • runtime install verification improvements
  • catalog hash validation
  • runtime removal / upgrade handling
  • runtime update process — in-place runtime version upgrade for dev containers

Dev Environment

Completed:

  • dev user creation
  • workspace root /home/dev/workspace
  • console runs as dev user
  • HOME, USER, LOGNAME, TERM env vars set correctly

Outstanding:

  • PATH normalization
  • shell profile consistency
  • runtime PATH injection

Code Server Addon

Status: ✅ Installed, running, browser-verified end-to-end

Confirmed:

  • pulled from artifact server (tar.gz)
  • installed to /opt/zlh/services/code-server
  • binds to 0.0.0.0:6000
  • lifecycle endpoints: POST /dev/codeserver/start|stop|restart
  • detection via /proc/*/cmdline scan
  • full browser IDE loading confirmed at dev-6070.zerolaghub.dev

Game Server Supervision

Completed:

  • crash recovery with backoff: 30s → 60s → 120s
  • backoff resets if uptime ≥ 30s
  • transitions to error state after repeated failures
  • crash observability: time, exit code, signal, uptime, log tail, classification
  • classifications: oom, mod_or_plugin_error, missing_dependency, nonzero_exit, unexpected_exit

Agent Future Work (priority order)

  1. Structured logging (slog) for Loki
  2. Dev container provisioningComplete state in /status
  3. Graceful shutdown verification (SIGTERM + wait for Minecraft)
  4. Process reattachment on agent restart
  5. SSH server install in dev container provisioning pipeline (for CF Tunnel SSH)

Dev IDE Access

Browser IDE ✅ Fully Working (browser-verified) — Zero Install

Browser → dev-<vmid>.zerolaghub.dev → Traefik → API → container:6000

This is the primary zero-install access method. VS Code in the browser, no client software required. Browser-verified and production ready.

Remaining Work

  • confirm "Open IDE" button in portal uses hosted URL in production path
  • reduce legacy /__ide/:id compatibility paths once portal button confirmed
  • simplify and harden devProxy — remove stale path-based assumptions

Local Dev Access — SSH via CF Tunnel (Power Users Only)

Important: CF Tunnel SSH requires cloudflared installed on the developer's local machine. This is not zero-install and is an optional feature for power users who want local VS Code or terminal access.

The browser IDE remains the zero-install story for all developers.

See knowledge-base/network/cf-tunnel-ssh.md for full detail.

Current state:

  • ✅ CF Tunnel created and connected to bastion VM
  • ✅ Cloudflare Zero Trust free plan active
  • 🟡 Tunnel SSH hostname mapping not yet configured in Zero Trust dashboard
  • 🟡 Bastion SSH proxy jump config not yet done
  • 🟡 Dev container SSH server not yet verified
  • 🟡 Portal SSH config snippet not yet built

API (zpack-api)

Completed:

  • dev provisioning payload
  • runtime/version fields
  • enable_code_server flag
  • GET /api/servers/:id/status — server status endpoint
  • POST /api/dev/:id/ide-token — IDE token generation + hosted URL
  • GET /api/dev/:id/ide — bootstrap route
  • /__ide/:id/* — live tunnel proxy (HTTP + WS, target-bound)
  • handleHostedProxy — host-based routing via Host header vmid extraction
  • hosted flow browser-verified end-to-end

Outstanding:

  • Billing / Stripe integration — cannot take payments without this, launch blocker
  • Password reset flow — verify it is fully wired up
  • Usage limits / quota enforcement — prevent unbounded server creation per account
  • simplify and harden host-native devProxy
  • dev runtime catalog endpoint for portal
  • Headscale auth key generation

Portal (zpack-portal)

Completed:

  • dev runtime dropdown
  • dotnet runtime support
  • enable code-server checkbox
  • dev file browser support
  • ✅ Site copy/wording rewrite — landing, features, FAQ, about updated for new platform
  • ✅ Pricing page updated — Vanilla/Modded/Heavy tiers, Minecraft only

Outstanding:

  • confirm "Open IDE" button fully uses hosted URL flow
  • SSH config snippet for power users (optional, clearly labeled as requiring cloudflared install)
  • User onboarding flow — what happens after registration? Guided first-server creation needed
  • Email notifications — server crashed, provisioning complete, billing receipts
  • Remove testdameon binary from repo root (7MB, should not be in repo)

Game Servers

Outstanding:

  • Game server world backup / restore — player world data backup separate from PBS infrastructure backup. Trust-critical — players losing world data will kill retention.
  • Game server subdomain — how do players connect? Verify IP vs subdomain (e.g. mc.zerolaghub.com style)
  • DDoS protection — verify network-level coverage is in place for game server traffic

Pre-Launch Checklist

Outstanding before launch:

  • Billing / Stripe integration — launch blocker, cannot take money
  • Game server world backup / restore — trust-critical
  • User onboarding flow — guided first-server creation after register
  • Password reset flow — verify wired up
  • Usage limits / quota enforcement — per account
  • DDoS protection — verify network-level coverage
  • Game server subdomain — verify player connection method
  • Email notifications — crashed, billing, provisioning
  • Upload testing — test file upload flow end-to-end in dev containers
  • Billing endpoints — add back to API
  • Stress testing — k6 IDE session load test + Minecraft bot test
    • See knowledge-base/operations/stress-testing.md
  • OPNsense audit — both routers need systematic validation
    • See knowledge-base/network/opnsense-checklist.md
  • Dedicated host migration — evaluate GTHost upgrade (Gold 6152, Detroit)
    • Trial period: $5/day up to 10 days, PBS restore approach
  • Remove testdameon binary from zpack-portal repo root

Platform

Future work:

  • CF Tunnel SSH completion — power user feature, requires client cloudflared install
  • artifact version promotion
  • runtime rollback support
  • Cloudflare R2 for large artifact/mod file delivery at scale
  • Admin panel — manage users/servers as operator
  • Referral / dev pipeline reward system — revenue sharing for developers
  • Uptime history — visible to users per server

Closed Threads

  • ✅ PTY console (dev + game)
  • ✅ Mod lifecycle
  • ✅ Upload pipeline
  • ✅ Runtime artifact installs
  • ✅ Dev container filesystem model
  • ✅ Code-server artifact fix
  • ✅ API status endpoint for frontend agent-state consumption
  • ✅ Game server crash recovery with backoff
  • ✅ Crash observability (classification, log tail, exit metadata)
  • ✅ Code-server lifecycle endpoints (start/stop/restart)
  • ✅ Code-server process detection via /proc scan
  • ✅ Dev IDE proxy — path-based browser IDE working end-to-end
  • ✅ Hosted wildcard Traefik → API → container dev IDE flow — browser-verified
  • ✅ Per-container dev IDE edge publish/unpublish removed from API
  • ✅ Wildcard TLS cert *.zerolaghub.dev via Let's Encrypt + Cloudflare DNS-01
  • ✅ Browser IDE fully loading at dev-.zerolaghub.dev
  • ✅ CF Tunnel created and connected to bastion VM
  • ✅ Portal copy rewrite — landing, features, FAQ, about, pricing