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+# 📚 ZeroLagHub Documentation Navigation Guide
+
+**Last Updated**: December 13, 2025  
+**Purpose**: Guide to all project documentation and how they relate
+
+---
+
+## 🗺️ Document Hierarchy
+
+```
+┌─────────────────────────────────────────────────────────────┐
+│         📋 MASTER BOOTSTRAP (START HERE)                    │
+│  ZeroLagHub_Master_Bootstrap_Dec2025.md                     │
+│  ├─ Strategic vision & business model                       │
+│  ├─ Infrastructure overview (11 VMs)                        │
+│  ├─ Launch decision framework                               │
+│  └─ High-level architecture                                 │
+└─────────────────────────────────────────────────────────────┘
+                           │
+           ┌───────────────┼───────────────┐
+           │               │               │
+           ▼               ▼               ▼
+    ┌────────────┐  ┌────────────┐  ┌────────────┐
+    │  TACTICAL  │  │  COMPLETE  │  │ EVOLUTION  │
+    │  HANDOVER  │  │   STATE    │  │  ANALYSIS  │
+    └────────────┘  └────────────┘  └────────────┘
+           │               │               │
+           ▼               ▼               ▼
+    Engineering      Strategic +      Nov → Dec
+    Implementation   Tactical         Comparison
+    Details          Integration      
+```
+
+---
+
+## 📖 Document Purposes
+
+### 🎯 **1. Master Bootstrap** (ENTRY POINT)
+
+**File**: `ZeroLagHub_Master_Bootstrap_Dec2025.md`
+
+**Use When**:
+- Starting a new session
+- Need strategic overview
+- Making launch decisions
+- Understanding business model
+
+**Contains**:
+- Platform overview (85% ready)
+- Infrastructure topology (11 VMs)
+- Network architecture (dual-router)
+- Launch decision framework (3 options)
+- Business model (9.75x multiplier)
+- Security vulnerabilities
+- Success metrics
+- Glossary of terms
+
+**Audience**: 
+- New AI assistants (start here)
+- Strategic decision-making
+- Executive overview
+
+**Update Frequency**: After major milestones or architectural changes
+
+---
+
+### 🛠️ **2. GPT Implementation Handover** (IMPLEMENTATION)
+
+**File**: `ZeroLagHub_GPT_Implementation_Handover_Dec2025.md`
+
+**Use When**:
+- Implementing features
+- Debugging provisioning
+- Understanding agent architecture
+- Working on tactical tasks
+
+**Contains**:
+- Engineering Kanban board (DONE/IN PROGRESS/TODO)
+- 3-day sprint plan (specific tasks)
+- System lifecycle diagram (ASCII)
+- Troubleshooting guide per variant
+- Provisioning sequence specification
+- Verification system details
+- Dev container roadmap
+- Ceàrd's role definition
+
+**Audience**:
+- Ceàrd (implementation AI)
+- Developers working on code
+- Debugging specific issues
+
+**Update Frequency**: Daily during active development
+
+---
+
+### 🎯 **3. Complete Current State** (INTEGRATION)
+
+**File**: `ZeroLagHub_Complete_Current_State_Dec7.md`
+
+**Use When**:
+- Need both strategic AND tactical view
+- Planning next sprint
+- Comprehensive status review
+- Integrating architecture with implementation
+
+**Contains**:
+- Two-perspective view (strategic + tactical)
+- Engineering kanban (from handover)
+- 3-day sprint plan (detailed)
+- Complete system lifecycle (with ASCII diagram)
+- MC variant status matrix
+- Troubleshooting guide
+- Dev container roadmap (detailed)
+- Launch readiness matrix
+- Launch decision framework
+
+**Audience**:
+- Management/coordination role
+- Both AIs (Claude + Ceàrd)
+- Comprehensive planning
+
+**Update Frequency**: End of day during active sprints
+
+---
+
+### 🛡️ **4. Cross-Project Tracker** (GOVERNANCE)
+
+**File**: `ZeroLagHub_Cross_Project_Tracker.md`
+
+**Use When**:
+- Before crossing architectural boundaries
+- Understanding ownership matrix
+- Checking for drift violations
+- Reviewing Architecture Decision Log
+
+**Contains**:
+- Ownership matrix (API vs Agent vs Frontend)
+- Canonical contracts (API ↔ Agent, Frontend ↔ API)
+- Drift detection rules (5 violation patterns)
+- Architecture Decision Log (7 locked decisions)
+- High-risk integration zones
+- Enforcement policies
+
+**Audience**:
+- Both Claude and Ceàrd
+- Before any architectural changes
+- Drift prevention
+
+**Update Frequency**: After locking new architectural decisions
+
+---
+
+### 📊 **5. Infrastructure Specifications** (CONSTRAINTS)
+
+**File**: `ZeroLagHub_Infrastructure_Specifications.md`
+
+**Use When**:
+- Planning resource allocation
+- Understanding hardware limits
+- Capacity planning
+- Cost analysis
+
+**Contains**:
+- GTHost hardware specs
+- Capacity constraints (30-50 servers)
+- Network bottleneck (300 Mbit/s)
+- Cost analysis
+- Optimization opportunities
+
+**Audience**:
+- Both AIs for capacity planning
+- Resource allocation decisions
+- Scaling considerations
+
+**Update Frequency**: After infrastructure changes
+
+---
+
+### ⚡ **6. Drift Prevention Card** (SESSION START)
+
+**File**: `ZeroLagHub_Drift_Prevention_Card.md`
+
+**Use When**:
+- Every session start (30 seconds)
+- Before any code changes
+- Quick boundary check
+
+**Contains**:
+- 30-second boundary check
+- 7 locked decisions (quick reference)
+- Violation triggers
+- Golden rules
+
+**Audience**:
+- Both Claude and Ceàrd
+- Mandatory session start
+
+**Update Frequency**: When new violations are discovered
+
+---
+
+## 🎯 Usage Patterns
+
+### **Starting Fresh Session (Claude - Architecture)**
+
+1. Read: **Master Bootstrap** (get strategic context)
+2. Read: **Cross-Project Tracker** (architectural boundaries)
+3. Check: **Complete Current State** (current status)
+4. Reference: **Infrastructure Specs** (as needed)
+
+### **Starting Fresh Session (Ceàrd - Implementation)**
+
+1. Read: **Drift Prevention Card** (30 seconds)
+2. Read: **GPT Implementation Handover** (implementation tasks)
+3. Reference: **Cross-Project Tracker** (before crossing boundaries)
+4. Check: **Complete Current State** (sprint status)
+
+### **Planning Next Sprint**
+
+1. Review: **Complete Current State** (current status)
+2. Check: **Engineering Kanban** (what's in progress)
+3. Reference: **Launch Decision Framework** (timing)
+4. Plan: Next 3-day sprint based on priorities
+
+### **Making Strategic Decisions**
+
+1. Review: **Master Bootstrap** (business model, competitive position)
+2. Check: **Launch Readiness Matrix** (current %)
+3. Consult: **Cross-Project Tracker** (architectural constraints)
+4. Decide: Launch timing, feature prioritization
+
+### **Implementing Features**
+
+1. Check: **Drift Prevention Card** (boundary check)
+2. Read: **GPT Implementation Handover** (specific tasks)
+3. Reference: **Cross-Project Tracker** (before crossing boundaries)
+4. Update: **Kanban Board** (move tasks)
+
+### **Debugging Issues**
+
+1. Check: **Complete Current State** → Troubleshooting Guide
+2. Reference: **System Lifecycle** (understand flow)
+3. Review: **Verification System Spec** (self-repair logic)
+4. Consult: **Cross-Project Tracker** (ownership boundaries)
+
+---
+
+## 📊 Document Status Matrix
+
+| Document | Completeness | Accuracy | Update Needed | Priority |
+|----------|--------------|----------|---------------|----------|
+| **Master Bootstrap** | ✅ 100% | ✅ Current | ✅ Complete | 🟢 High |
+| **GPT Implementation Handover** | ✅ 100% | ✅ Current | ✅ Complete | 🟢 High |
+| **Complete Current State** | ✅ 100% | ✅ Current | ✅ Complete | 🟢 High |
+| **Cross-Project Tracker** | ✅ 100% | ✅ Current | ✅ Complete | 🟢 High |
+| **Infrastructure Specs** | ✅ 100% | ✅ Current | ✅ Complete | 🟢 High |
+| **Drift Prevention Card** | ✅ 100% | ✅ Current | ✅ Complete | 🟢 High |
+
+---
+
+## 🎯 Recommended Reading Order
+
+### **For New Claude Session** (Architecture):
+1. Master Bootstrap (strategic context)
+2. Cross-Project Tracker (boundaries)
+3. Complete Current State (current status)
+
+### **For New Ceàrd Session** (Implementation):
+1. Drift Prevention Card (30 second check)
+2. GPT Implementation Handover (implementation tasks)
+3. Complete Current State (sprint status)
+
+### **For Launch Decision**:
+1. Master Bootstrap → Launch Decision Framework
+2. Complete Current State → Launch Readiness Matrix
+3. Cross-Project Tracker → Architectural constraints
+
+### **For Feature Implementation**:
+1. Drift Prevention Card → Boundary check
+2. GPT Implementation Handover → Specific tasks
+3. Complete Current State → Sprint Plan
+
+---
+
+## 📋 Quick Reference
+
+### **Launch Status**: 85% ready
+### **Next Sprint**: 3 days (Dev containers → EdgeState → Reconcile)
+### **Launch Options**: NOW / +3 days / +1 week
+### **Recommendation**: +3 days (Option B)
+
+### **Working Components** ✅:
+- All 6 MC variants
+- DNS automation
+- Velocity routing
+- Self-repair system
+
+### **Missing Components** ❌:
+- WebSocket console
+- Crash protection
+- Disk monitoring
+- Dev containers (in progress)
+
+### **Known Bugs** (Non-Blocking):
+- 3 Go agent issues (cleanup)
+- EdgeState schema (not migrated)
+- DNS deletion (needs record IDs)
+
+---
+
+## 🎯 Document Maintenance
+
+### **Master Bootstrap Updates**:
+- After major milestones
+- After architectural changes
+- After launch decision
+- Monthly during operations
+
+### **Complete Current State Updates**:
+- End of each sprint day
+- After significant progress
+- Before major decisions
+
+### **GPT Implementation Handover Updates**:
+- Daily during active development
+- After completing sprint tasks
+- When priorities change
+
+### **Cross-Project Tracker Updates**:
+- After locking new architectural decisions
+- When adding new boundaries
+- After discovering drift violations
+
+---
+
+## 📞 Session Continuity
+
+### **Quick Resume Prompt (Claude)**:
+
+> Read ZeroLagHub Master Bootstrap Dec 2025, then Cross-Project Tracker.
+> 
+> Platform 85% ready, all MC variants working.
+> 
+> Current sprint: 3 days (dev containers → EdgeState → reconcile)
+> 
+> Decision: Launch now vs +3 days?
+
+### **Quick Resume Prompt (Ceàrd)**:
+
+> Read Drift Prevention Card, then GPT Implementation Handover.
+> 
+> Platform 85% ready, executing 3-day sprint.
+> 
+> Current task: [specific implementation task]
+
+---
+
+## ✅ Navigation Summary
+
+**Strategic** → Master Bootstrap  
+**Tactical** → GPT Implementation Handover  
+**Integrated** → Complete Current State  
+**Governance** → Cross-Project Tracker  
+**Constraints** → Infrastructure Specifications  
+**Session Start** → Drift Prevention Card
+
+**Claude Start** → Master Bootstrap → Cross-Project Tracker  
+**Ceàrd Start** → Drift Prevention Card → GPT Implementation Handover
+
+**Quick Status** → Complete Current State (first 2 sections)
+
+**Implementation** → GPT Implementation Handover → Cross-Project Tracker
+
+---
+
+🎯 **All documentation in Gitea knowledge base. Both AIs have single source of truth.**