Add Complete Current State to knowledge base - critical for Ceàrd implementation sessions

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+# 🎯 ZeroLagHub - Complete Current State (December 7, 2025)
+
+**Last Updated**: December 7, 2025 (End of Day)  
+**Version**: Strategic + Tactical Integration  
+**Status**: 85% Launch Ready + Active Development Sprint
+
+---
+
+## 📊 Executive Summary
+
+### Platform Status: **OPERATIONAL** ✅
+
+**Core Achievement**: All 6 Minecraft variants provisioning successfully via Go agent with self-repair verification system.
+
+**Launch Readiness**: 85% complete
+- ✅ Provisioning pipeline: 100% operational
+- ✅ All MC variants: Working (Vanilla, Paper, Purpur, Fabric, Forge, NeoForge)
+- ✅ DNS automation: Cloudflare + Technitium + Velocity
+- ⚠️ UX features: Need WebSocket, crash protection, disk monitoring
+- 📋 Dev containers: Spec defined, implementation starting
+
+**Current Sprint**: Dev containers → EdgeState → DNS reliability → Reconciliation
+
+---
+
+## 🎯 Two Perspectives on Current State
+
+### 🏗️ Strategic View (Business/Architecture)
+- Launch decision point: NOW vs +1 week vs +1 month
+- 9.75x revenue multiplier validated
+- Developer-to-player pipeline is differentiator
+- LXC 20-30% performance advantage over Docker
+
+### ⚙️ Tactical View (Engineering/Implementation)
+- All variants DONE ✅
+- Directory normalization IN PROGRESS 🟧
+- Dev containers NEXT PRIORITY 🟦
+- EdgeState + DNS reliability on deck 🟦
+
+**Integration**: Strategic launch readiness aligns with tactical sprint completion
+
+---
+
+## 🟩 Engineering Kanban (Today's State)
+
+### **DONE** ✅
+
+**Agent Provisioning:**
+- ✅ Agent async provisioning (`/config` → goroutine)
+- ✅ Vanilla install working
+- ✅ Paper install working  
+- ✅ Purpur install working
+- ✅ Fabric fixed (`fabric-server.jar` naming)
+- ✅ Forge working (run.sh, java patching)
+- ✅ NeoForge working
+- ✅ Agent → API RUNNING signal fixed
+- ✅ Improved detectMinecraftReady()
+- ✅ Java symlink validation
+- ✅ Self-repair logic for MC variants
+
+**Edge Publishing:**
+- ✅ Cloudflare DNS creation working
+- ✅ Technitium DNS creation working
+- ✅ Velocity registration working
+
+### **IN PROGRESS** 🟧
+
+- 🟧 Directory normalization (`/opt/zlh/<game>/<variant>/world`)
+- 🟧 Final cleanup of verify.go edge cases
+- 🟧 Reduction of false negatives in READY detection
+
+### **TODO – NEXT PRIORITY** 🟦
+
+1. 🟦 Dev container provisioning spec
+2. 🟦 Dev container template creation (6000-series)
+3. 🟦 Dev provisioning flow (Agent + API)
+4. 🟦 EdgeState schema (record ID tracking)
+5. 🟦 DNS deletion reliability (use record IDs)
+6. 🟦 Velocity deregistration correctness
+7. 🟦 Reconcile job (hourly or on-demand)
+
+### **BACKLOG** 🟥
+
+- 🟥 WebSocket push events (Agent → API) **[Launch Critical]**
+- 🟥 Installer progress reporting (%) **[UX Enhancement]**
+- 🟥 Minecraft modpack installer
+- 🟥 Multi-world support
+- 🟥 Template auto-updater
+- 🟥 Prometheus observability pipeline
+
+---
+
+## 📅 Sprint Plan (Next 3 Days)
+
+### **DAY 1 – Dev Containers** (Dec 8)
+
+**Objective**: Enable developer environment provisioning
+
+**Tasks**:
+- [ ] Define dev container purpose / toolchain
+- [ ] Build Template 6000-series base image
+- [ ] Agent: dev provisioning flow
+- [ ] API: dev instance provisioning support
+- [ ] Validate network & ports
+
+**Success Criteria**: Can provision Python/Node/Go dev environment
+
+---
+
+### **DAY 2 – DNS & Edge Publishing Reliability** (Dec 9)
+
+**Objective**: Fix Cloudflare SRV deletion problem
+
+**Tasks**:
+- [ ] Implement EdgeState (record IDs tracked)
+- [ ] Update delete logic to use record IDs (not hostname inference)
+- [ ] Regression test: create → delete → recreate
+
+**Success Criteria**: Zero orphaned DNS records after deletion
+
+---
+
+### **DAY 3 – Reconcile & Hardening** (Dec 10)
+
+**Objective**: Self-healing infrastructure
+
+**Tasks**:
+- [ ] Reconcile job for DB ↔ Proxmox ↔ DNS ↔ Velocity
+- [ ] Automated recovery for partial installs
+- [ ] Final ready detection tuning
+- [ ] Regression test suite
+
+**Success Criteria**: System auto-heals from partial failures
+
+---
+
+## 🔄 Complete System Lifecycle
+
+```
+┌─────────────────────────────────────────────────────────────┐
+│                    API (Node.js v2)                         │
+│                                                             │
+│  1. POST /api/instances                                     │
+│     ├─ Allocate VMID (sequential)                          │
+│     ├─ Reserve ports (if needed)                           │
+│     ├─ Clone LXC from template (VMID 800)                  │
+│     ├─ Configure container (IP, resources)                 │
+│     ├─ Start LXC                                           │
+│     └─ Detect IP (10.200.0.X)                              │
+│                                                             │
+│  2. POST /config (to agent)                                │
+│     └─ Payload: {game, variant, version, ports, ...}       │
+└──────────────────────┬──────────────────────────────────────┘
+                       │
+                       ▼
+┌─────────────────────────────────────────────────────────────┐
+│               AGENT (Go, inside LXC)                        │
+│                                                             │
+│  3. Save payload.json                                       │
+│  4. Spawn install goroutine (async)                        │
+│     └─ ensureProvisioned(cfg)                              │
+│        ├─ Check cache (/opt/zlh/artifacts/)                │
+│        ├─ Install files (download + extract)               │
+│        └─ Verify + self-repair                             │
+│           ├─ verifyMinecraftInstallOnce()                  │
+│           │  ├─ verifyJavaSymlink()                        │
+│           │  ├─ verify server.jar (vanilla-like)           │
+│           │  ├─ verify start.sh                            │
+│           │  └─ or verify forge layout                     │
+│           └─ correctMinecraftInstall()                     │
+│              ├─ ensureJavaSymlink()                        │
+│              ├─ ensureScriptsPatched()                     │
+│              └─ chmod +x start.sh                          │
+│                                                             │
+│  5. StartServer(cfg)                                        │
+│     └─ Execute start.sh                                    │
+│                                                             │
+│  6. detectMinecraftReady()                                  │
+│     └─ Parse server.log for "Done" pattern                 │
+│                                                             │
+│  7. Set state = RUNNING                                     │
+│     └─ API polls GET /status until RUNNING                 │
+└──────────────────────┬──────────────────────────────────────┘
+                       │
+                       ▼
+┌─────────────────────────────────────────────────────────────┐
+│              API (Post-Provisioning)                        │
+│                                                             │
+│  8. Save ContainerInstance to DB                           │
+│  9. Commit port allocation                                 │
+│ 10. Publish DNS/SRV records                                │
+│     ├─ Cloudflare: A + SRV (store record IDs)             │
+│     └─ Technitium: A + SRV                                 │
+│ 11. Register with Velocity                                 │
+│     └─ POST to ZpackVelocityBridge plugin                  │
+│                                                             │
+│ 12. Return SUCCESS to user                                 │
+└─────────────────────────────────────────────────────────────┘
+                       │
+                       ▼
+                  COMPLETE ✅
+        Player can connect: server.zpack.zerolaghub.com
+```
+
+---
+
+## 🎮 Minecraft Variant Status Matrix
+
+| Variant | Install | Verify | Self-Repair | Start | Ready Detection | Status |
+|---------|---------|--------|-------------|-------|-----------------|--------|
+| **Vanilla** | ✅ | ✅ | ✅ | ✅ | ✅ | PRODUCTION |
+| **Paper** | ✅ | ✅ | ✅ | ✅ | ✅ | PRODUCTION |
+| **Purpur** | ✅ | ✅ | ✅ | ✅ | ✅ | PRODUCTION |
+| **Fabric** | ✅ | ✅ | ✅ | ✅ | ✅ | PRODUCTION |
+| **Forge** | ✅ | ✅ | ✅ | ✅ | ✅ | PRODUCTION |
+| **NeoForge** | ✅ | ✅ | ✅ | ✅ | ✅ | PRODUCTION |
+
+**Supported Versions**: 1.12.2, 1.16.5, 1.18.2, 1.19.2, 1.20.1, 1.21.x
+
+---
+
+## 🛠️ Troubleshooting Guide (Per Variant)
+
+### **Vanilla / Paper / Purpur**
+
+**Common Issues**:
+- Missing `server.jar` → Download failure, re-provision
+- Non-executable `start.sh` → Auto-repaired by agent
+- Log delay causing READY timeout → Improved detection logic
+
+**Self-Repair**: Automatically fixes permissions, validates Java symlink
+
+---
+
+### **Fabric**
+
+**Common Issues**:
+- Installer creates `fabric-server-launch.jar` not `server.jar`
+- Agent expects `fabric-server.jar` naming
+- Self-repair renames to `server.jar` for consistency
+
+**Self-Repair**: Finds fabric jar and renames to standard name
+
+---
+
+### **Forge / NeoForge**
+
+**Common Issues**:
+- Uses `run.sh` instead of `server.jar`
+- Java version mismatch (17 vs 21)
+- Long startup time (60-90s for READY)
+
+**Self-Repair**: 
+- Patches `run.sh` with correct Java path
+- Ensures executable permissions
+- Extended timeout for READY detection
+
+**Detection**: Parses for "Done" message in logs
+
+---
+
+## 🎯 What's Working (90%)
+
+### **Provisioning Pipeline** ✅
+
+**API Orchestration**:
+- VMID sequential allocation
+- LXC cloning from template 800
+- IP detection (10.200.0.X)
+- Agent configuration delivery
+
+**Agent Execution**:
+- Async provisioning (goroutine)
+- Multi-variant installation
+- Self-repair + verification
+- RUNNING state reporting
+
+**Edge Publishing**:
+- Cloudflare A + SRV records
+- Technitium internal DNS
+- Velocity proxy registration
+
+### **What's Nearly Done (5%)**
+
+🟧 **Directory Normalization**:
+- Standardizing `/opt/zlh/<game>/<variant>/world`
+- Ensuring consistency across variants
+
+🟧 **Verification Edge Cases**:
+- Reducing false negatives in READY detection
+- Improving self-repair robustness
+
+### **What's Next (5%)**
+
+🟦 **Dev Containers**: 
+- Spec defined, implementation starting
+- Timeline: 1 day sprint
+
+🟦 **EdgeState Schema**:
+- Track Cloudflare record IDs
+- Fix DNS deletion reliability
+- Timeline: 1 day sprint
+
+🟦 **Reconciliation**:
+- Auto-heal partial failures
+- Detect orphaned resources
+- Timeline: 1 day sprint
+
+---
+
+## 🚨 Known Bugs (Non-Blocking)
+
+### **Agent Bugs** (System Works, But...)
+
+1. **Forge server.jar Glob Logic** (`artifacts.go` lines 112-116, 147-151)
+   - **Issue**: Tries to find `*server.jar` but Forge ≥1.17 doesn't create this
+   - **Fix**: Remove glob/rename logic (Forge uses `run.sh` + `libraries/`)
+   - **Impact**: Unnecessary code, no functional impact
+   - **Priority**: Low (cleanup)
+
+2. **ensureProvisioned() Fallthrough** (`agent.go` lines 155-171)
+   - **Issue**: After Forge check, falls through to check `server.jar`
+   - **Fix**: Add `else` to prevent fallthrough
+   - **Impact**: Minor efficiency issue
+   - **Priority**: Low (optimization)
+
+3. **Forge Stop Command Exclusion** (`process.go` line 83)
+   - **Issue**: Excludes Forge from receiving `stop` command
+   - **Fix**: Remove exclusion (Forge accepts stop commands)
+   - **Impact**: Requires manual workaround
+   - **Priority**: Medium (UX)
+
+### **Platform Gaps** (Launch Blockers for Public Release)
+
+1. **WebSocket Console Streaming** 🔴
+   - **Current**: HTTP polling
+   - **Needed**: Real-time streaming
+   - **Why**: Industry standard, competitive requirement
+   - **Effort**: 4-6 hours
+
+2. **Crash Loop Protection** 🔴
+   - **Current**: Immediate restart
+   - **Needed**: Exponential backoff (5s, 10s, 15s), stop after 3 crashes
+   - **Why**: Prevent resource thrashing
+   - **Effort**: 2 hours
+
+3. **Disk Space Monitoring** 🔴
+   - **Current**: No checks
+   - **Needed**: Alert <1GB, prevent start if insufficient
+   - **Why**: Prevent world corruption
+   - **Effort**: 1 hour
+
+---
+
+## 🎯 Glossary of Moving Parts
+
+| Component | Description | Status |
+|-----------|-------------|--------|
+| **Agent** | Go service handling provisioning, verification, server lifecycle | ✅ Production |
+| **ProvisionAll()** | Downloads & extracts variant runtime | ✅ Working |
+| **verify.go** | Multi-variant validation + auto-repair | ✅ Working |
+| **detectMinecraftReady()** | Parses log for READY state | ✅ Improved |
+| **provisionAgentInstance()** | Main API orchestration entrypoint | ✅ Working |
+| **Velocity Plugin** | ZpackVelocityBridge for proxy routing | ✅ Operational |
+| **Edge Publisher** | Updates Cloudflare + Technitium + Velocity | ✅ Create working, ⚠️ Delete needs IDs |
+| **VMID Allocator** | Prevents ID collisions | ✅ Working |
+| **PortAllocatorService** | Dynamic per-VM port pool management | ✅ Working |
+| **Agent Template** | Golden LXC (VMID 800) containing agent + deps | ✅ Production |
+| **Directory Spec** | `/opt/zlh/<game>/<variant>/world` | 🟧 In progress |
+| **EdgeState** | DNS record ID tracking table | 🟦 TODO |
+| **Dev Containers** | Developer environment provisioning | 🟦 Next sprint |
+
+---
+
+## 📈 Launch Readiness Matrix
+
+### **Core Platform** (100% ✅)
+- ✅ Container orchestration
+- ✅ Multi-variant provisioning
+- ✅ Network routing
+- ✅ DNS automation
+- ✅ Velocity proxy
+- ✅ Control commands
+- ✅ Self-repair system
+
+### **Operational Features** (70% ⚠️)
+- ✅ Log tailing (HTTP)
+- ✅ Crash detection
+- ❌ WebSocket console (need)
+- ❌ Crash backoff (need)
+- ❌ Disk monitoring (need)
+
+### **Developer Platform** (10% 🟦)
+- 🟦 Dev containers (starting)
+- 📋 Revenue sharing (future)
+- 📋 Referral system (future)
+
+### **File Management** (0% 🟥)
+- 🟥 Upload/download
+- 🟥 Backup/restore
+- 🟥 World management
+
+---
+
+## 🚀 Launch Decision Framework
+
+### **Option A: Launch Beta NOW**
+- **Status**: 85% ready
+- **Timeline**: Today
+- **Includes**: All MC variants, basic controls
+- **Missing**: WebSocket, crash protection, disk monitoring
+- **Risk**: Higher support burden
+- **Target**: 10-20 beta testers only
+- **Recommendation**: ⚠️ Acceptable for closed beta
+
+### **Option B: +3 Days (Dev Containers + Critical Features)** ⭐
+- **Status**: 95% ready
+- **Timeline**: December 10, 2025
+- **Includes**: Dev containers + WebSocket + crash + disk
+- **Sprint Plan**: Already defined (see above)
+- **Risk**: Minimal delay, professional launch
+- **Target**: 50-100 early adopters
+- **Recommendation**: ✅ **BEST OPTION** - completes 3-day sprint
+
+### **Option C: +1 Week (Full Feature Parity)**
+- **Status**: 98% ready
+- **Timeline**: December 14, 2025
+- **Includes**: Everything + file management + backups
+- **Risk**: Feature creep, slower to market
+- **Target**: Public launch
+- **Recommendation**: ⚠️ Over-engineering, diminishing returns
+
+---
+
+## 🎯 Strategic Recommendation
+
+### **Recommended Path: Option B** (+3 Days)
+
+**Why**:
+1. **Dev Containers**: Core business differentiator, must have
+2. **WebSocket Console**: Industry standard, competitive requirement
+3. **Crash Protection**: Operational stability, prevent disasters
+4. **Disk Monitoring**: Data safety, prevent corruption
+5. **Sprint Alignment**: Already planned as 3-day sprint
+
+**Timeline**:
+- **Dec 8**: Dev containers implementation
+- **Dec 9**: EdgeState + DNS reliability
+- **Dec 10**: Reconciliation + hardening
+- **Dec 11**: Soft beta launch (50-100 users)
+- **Dec 14**: Public launch (if beta successful)
+
+**Outcome**: Professional launch with developer platform operational
+
+---
+
+## 📋 Next Session Priorities
+
+### **For Claude (Architecture)**
+1. Review dev container architecture
+2. Validate EdgeState schema design
+3. Assess launch timing decision
+4. Plan developer acquisition strategy
+
+### **For Ceàrd (Implementation)**
+1. Execute Day 1 sprint (dev containers)
+2. Fix 3 Go agent bugs
+3. Implement EdgeState schema
+4. Build reconciliation job
+
+### **Integration Points**
+- Dev container network isolation (DEV_LAN)
+- EdgeState model integration with existing DB
+- Reconciliation job scheduling (cron vs manual)
+- DNS deletion reliability (critical for operations)
+
+---
+
+## ✅ Today's Accomplishments Summary
+
+**Major Achievements**:
+- ✅ All 6 MC variants fully operational
+- ✅ Verification + self-repair system working
+- ✅ Agent → API RUNNING signal reliable
+- ✅ Cloudflare + Technitium + Velocity integration complete
+- ✅ Dev container roadmap defined
+- ✅ 3-day sprint plan created
+- ✅ Launch decision framework established
+
+**Technical Debt Identified**:
+- 3 non-blocking Go agent bugs
+- EdgeState schema not yet migrated
+- DNS deletion needs record ID tracking
+- Reconciliation job needed for self-healing
+
+**Strategic Progress**:
+- Business model validated (9.75x multiplier)
+- Developer platform architecture defined
+- Competitive position assessed
+- Launch timeline options clarified
+
+---
+
+## 📞 Session Continuity
+
+**Resume Point**: Platform 85% complete, 3-day sprint defined
+
+**Blocking Tasks**: None (system operational)
+
+**Next Priority**: Dev containers (Day 1 of sprint)
+
+**Key Insight**: You've successfully built a working platform. Remaining work is polish (WebSocket, crash, disk) and strategic features (dev containers, revenue pipeline).
+
+**Decision Required**: Launch beta NOW or complete 3-day sprint first?
+
+**Recommendation**: Complete 3-day sprint (Option B) - dev containers are business differentiator, critical features are competitive requirements.
+
+---
+
+🚀 **Ready to execute 3-day sprint or launch beta - your call.**