CODITECT Cloudflare/R2/GCS Analysis - Document Index

Workspace: CODITECT-cloudflare-r2-gcs
Created: 2026-01-31
Status: Architecture Complete

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Quick Navigation

🎯 Start Here

Document	Purpose	Audience
EXECUTIVE-SUMMARY-v2.0.md	Business case, ROI, timeline	Executives, Investors
ADR-XXX-unified-persistent-architecture.md	Why we chose this architecture	Architects, Engineers

📐 Architecture

Document	Purpose	Status
CODITECT-UNIFIED-PERSISTENT-ARCHITECTURE.md	Complete system architecture	✅ Complete
moe-agents-c4-architecture-v2.md	C4 model (Context→Code)	✅ Complete

📋 Design Specifications

Document	Purpose	Status
CODITECT-THIN-CLIENT-SDD-v2.md	System Design Document	✅ Complete
CODITECT-THIN-CLIENT-TDD-v2.md	Technical Design Document	✅ Complete
CODITECT-THIN-CLIENT-ARDS-v2.md	Architecture Requirements	✅ Complete

📅 Planning

Document	Purpose	Status
IMPLEMENTATION-ROADMAP-v2.0.md	14-week implementation plan	✅ Complete
CODITECT-REVISED-ECONOMIC-MODEL.md	Cost analysis v2.0	✅ Complete
CODITECT-TIERED-COST-MODEL.md	Per-tier pricing	✅ Complete

📚 Reference

Document	Purpose
https___blog.cloudflare.com_vertical-microfrontend.md	Original Cloudflare VMFE research

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Document Relationships

┌─────────────────────────────────────────────────────────────────────────────┐
│                           DOCUMENT HIERARCHY                                 │
├─────────────────────────────────────────────────────────────────────────────┤
│                                                                              │
│  ┌─────────────────────────────────────────────────────────────────────┐    │
│  │  EXECUTIVE-SUMMARY-v2.0.md                                          │    │
│  │  └── Business case, ROI, investment request                         │    │
│  └────────────────────────┬────────────────────────────────────────────┘    │
│                           │                                                 │
│  ┌────────────────────────▼────────────────────────────────────────────┐    │
│  │  ADR-XXX-unified-persistent-architecture.md                         │    │
│  │  └── Architecture decision record                                   │    │
│  └────────────────────────┬────────────────────────────────────────────┘    │
│                           │                                                 │
│         ┌─────────────────┼─────────────────┐                               │
│         │                 │                 │                               │
│  ┌──────▼──────┐  ┌──────▼──────┐  ┌──────▼──────┐                         │
│  │  C4 Model   │  │  SDD v2.0   │  │  ARDS v2.0  │                         │
│  │  (C4→C1)    │  │  System     │  │ Requirements│                         │
│  └──────┬──────┘  └──────┬──────┘  └─────────────┘                         │
│         │                │                                                  │
│  ┌──────▼────────────────▼─────────────────────────────────────────────┐    │
│  │  TDD v2.0 - Technical implementation details                        │    │
│  └─────────────────────────────────────────────────────────────────────┘    │
│                           │                                                 │
│  ┌────────────────────────▼────────────────────────────────────────────┐    │
│  │  IMPLEMENTATION-ROADMAP-v2.0.md                                     │    │
│  │  └── 14-week execution plan                                         │    │
│  └─────────────────────────────────────────────────────────────────────┘    │
│                                                                              │
└─────────────────────────────────────────────────────────────────────────────┘

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Key Concepts

v2.0 Architecture Changes

Aspect	v1.0	v2.0
Compute	4 ephemeral sandboxes	1 persistent workspace
Storage	R2 snapshots	GCS FUSE + R2 mirror
Databases	Durable Objects	SQLite cluster (6 DBs)
Session State	30-min timeout	8+ hours, renewable
Coordination	External routing	In-workspace orchestrator

Core Components

CODITECT Development Studio v2.0
├── Client Layer (Browser)
│   ├── Next.js 14 + React 18
│   ├── Multi-agent chat UI
│   ├── Agent activity panel
│   └── Workspace timeline
├── Edge Layer (Cloudflare)
│   ├── Workers (API Gateway)
│   ├── Durable Objects (Registry)
│   ├── CDN + WAF
│   └── R2 (Hot mirror)
├── Persistent Compute
│   ├── Unified Workspace Container
│   │   ├── 4 LLM Agents (Claude, Gemini, Codex, Kimi)
│   │   ├── Agent Orchestrator
│   │   ├── Task Queue + Lock Manager
│   │   └── Message Bus
│   ├── SQLite Database Cluster
│   │   ├── sessions.db
│   │   ├── messages.db
│   │   ├── artifacts.db
│   │   ├── parsed_sessions.db
│   │   ├── agent_metrics.db
│   │   └── workspace_idx.db
│   └── Session JSONL Archive
└── Storage Layer
    ├── GCS Primary (FUSE mounted)
    └── R2 Mirror (Cross-region cache)

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Metrics Summary

Performance Targets

Metric	Target
Workspace startup	< 30s
Workspace reconnect	< 1s
Agent task start	< 500ms
File lock acquisition	< 100ms
SQLite query	< 50ms

Cost Targets (@ 1,000 users)

Component	v1.0	v2.0 Target
Monthly cost	$4,200	$6,500
Cost per user	$4.20	$6.50
Change	-	+55%

Business Metrics

Metric	Target
Availability	99.9%
Data durability	99.999%
Developer satisfaction	> 4.0/5

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Implementation Checklist

Phase 1: Foundation (Weeks 1-4)

• GCS buckets with lifecycle policies
• GCS FUSE mount in containers
• SQLite cluster (6 databases)
• WAL mode + GCS sync
• Workspace registry (Durable Object)
• Provision API

Phase 2: Agents (Weeks 5-7)

• Base agent framework
• 4 LLM adapters (Claude, Gemini, Codex, Kimi)
• Task queue implementation
• File lock manager
• Message bus
• Agent metrics tracking

Phase 3: Frontend (Weeks 8-9)

• Multi-agent chat UI
• Agent activity panel
• File tree with lock indicators
• Session timeline (SQLite + JSONL)
• Cost dashboard

Phase 4: Migration (Weeks 10-11)

• Data export tools (v1.0 → v2.0)
• Schema migration
• Blue-green deployment
• Zero-downtime cutover

Phase 5: Optimization (Weeks 12-14)

• Load testing (10K users)
• Cost optimization
• Security audit
• GA launch

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Document Versions

Document	Version	Date	Status
ADR-XXX	2.0.0	2026-01-31	✅ Approved
Architecture	2.0.0	2026-01-31	✅ Complete
C4 Model	2.0.0	2026-01-31	✅ Complete
SDD	2.0.0	2026-01-31	✅ Complete
TDD	2.0.0	2026-01-31	✅ Complete
ARDS	2.0.0	2026-01-31	✅ Complete
Roadmap	2.0.0	2026-01-31	✅ Complete
Executive Summary	2.0.0	2026-01-31	✅ Complete

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Legacy Documents (v1.0)

These documents are superseded by v2.0 but retained for reference:

Document	Superseded By
CODITECT-THIN-CLIENT-SDD.md	CODITECT-THIN-CLIENT-SDD-v2.md
CODITECT-THIN-CLIENT-TDD.md	CODITECT-THIN-CLIENT-TDD-v2.md
CODITECT-THIN-CLIENT-ARDS.md	CODITECT-THIN-CLIENT-ARDS-v2.md
moe-agents-c4-architecture.md	moe-agents-c4-architecture-v2.md

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Quick Links

For Executives

• Executive Summary - Business case and ROI
• Economic Model - Cost analysis

For Architects

• ADR-XXX - Architecture decision
• Unified Architecture - System design
• C4 Model - Component diagrams

For Engineers

• TDD v2.0 - Technical implementation
• SDD v2.0 - System components
• Roadmap - Implementation plan

For Product Managers

• ARDS v2.0 - Requirements
• Roadmap - Timeline and milestones

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Metadata

Property	Value
Workspace Path	/submodules/core/coditect-core/analyze-new-artifacts/CODITECT-cloudflare-r2-gcs/
Total Documents	15 (9 active, 6 legacy)
Total Size	~350 KB
Lines of Documentation	~8,000
Architecture Version	2.0.0
Status	Ready for Implementation

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Last Updated: 2026-01-31
Maintained by: CODITECT Architecture Team
Next Review: Pre-implementation (Week 0)