# 📚 Complete Index: Size Limits & Refactoring

## 🎯 Start Here

**New to this?** Start with one of these:
1. **5 minute intro**: [REFACTORING_QUICK_START.md](REFACTORING_QUICK_START.md)
2. **Visual guide**: [ARCHITECTURE_DIAGRAM.md](ARCHITECTURE_DIAGRAM.md)
3. **Full summary**: [IMPLEMENTATION_SUMMARY.md](IMPLEMENTATION_SUMMARY.md)

## 📋 Essential Files

### Tools & Automation
| File | Purpose | Who Uses |
|------|---------|----------|
| [scripts/enforce-size-limits.ts](scripts/enforce-size-limits.ts) | Size limit checker tool | All developers |
| [.github/workflows/size-limits.yml](.github/workflows/size-limits.yml) | GitHub Actions CI/CD | Automation |
| [.git/hooks/pre-commit](.git/hooks/pre-commit) | Local pre-commit check | Git hooks |

### Code: Hooks
| File | Purpose | Size | Example |
|------|---------|------|---------|
| [src/hooks/useGitHubFetcher.ts](src/hooks/useGitHubFetcher.ts) | GitHub API integration | 65 LOC | API calls, auth |
| [src/hooks/useAutoRefresh.ts](src/hooks/useAutoRefresh.ts) | Auto-refresh polling | 48 LOC | Timers, intervals |
| [src/hooks/useFileTree.ts](src/hooks/useFileTree.ts) | File tree operations | 85 LOC | Tree traversal, CRUD |
| [src/hooks/useCodeEditor.ts](src/hooks/useCodeEditor.ts) | Editor state | 68 LOC | Tabs, dirty state |
| [src/hooks/index.ts](src/hooks/index.ts) | Barrel export | 20 LOC | Import point |

### Code: Components
| File | Size | Note |
|------|------|------|
| [src/components/GitHubActionsFetcher.refactored.tsx](src/components/GitHubActionsFetcher.refactored.tsx) | 85 LOC | Refactored example (was 887) |
| [src/components/WorkflowRunCard.tsx](src/components/WorkflowRunCard.tsx) | 48 LOC | Reusable card component |

### Documentation: Quick References
| File | Length | Best For |
|------|--------|----------|
| [REFACTORING_QUICK_START.md](REFACTORING_QUICK_START.md) | 185 LOC | Getting started in 5 minutes |
| [ARCHITECTURE_DIAGRAM.md](ARCHITECTURE_DIAGRAM.md) | 350 LOC | Understanding the architecture |
| [TEAM_CHECKLIST.md](TEAM_CHECKLIST.md) | 320 LOC | Process and workflow |

### Documentation: Detailed Guides
| File | Location | Length | For |
|------|----------|--------|-----|
| REFACTORING_ENFORCEMENT_GUIDE.md | [docs/](docs/REFACTORING_ENFORCEMENT_GUIDE.md) | 320 LOC | Comprehensive reference |
| REFACTORING_STRATEGY.md | [docs/](docs/REFACTORING_STRATEGY.md) | 858 LOC | Detailed analysis & plans |
| REFACTORING_QUICK_REFERENCE.md | [docs/](docs/REFACTORING_QUICK_REFERENCE.md) | 430 LOC | Code examples & templates |
| REFACTORING_INDEX.md | [docs/](docs/REFACTORING_INDEX.md) | 412 LOC | Navigation hub |

### Documentation: Generated by Agent
| File | Location | Purpose |
|------|----------|---------|
| REFACTORING_DIAGRAMS.md | [docs/](docs/REFACTORING_DIAGRAMS.md) | Architecture visualizations |
| REFACTORING_SUMMARY.md | [docs/](docs/REFACTORING_SUMMARY.md) | Executive overview |

### Overview Documents
| File | Purpose |
|------|---------|
| [IMPLEMENTATION_SUMMARY.md](IMPLEMENTATION_SUMMARY.md) | What was delivered, metrics, next steps |

---

## 🎓 Learning Paths

### Path 1: Quick Start (15 minutes)
1. Read [REFACTORING_QUICK_START.md](REFACTORING_QUICK_START.md)
2. Run: `npx tsx /workspaces/metabuilder/scripts/enforce-size-limits.ts`
3. Browse: [src/hooks/](src/hooks/) and [src/components/](src/components/)

### Path 2: Developer Onboarding (1 hour)
1. Read [ARCHITECTURE_DIAGRAM.md](ARCHITECTURE_DIAGRAM.md)
2. Read [docs/REFACTORING_ENFORCEMENT_GUIDE.md](docs/REFACTORING_ENFORCEMENT_GUIDE.md)
3. Study example: [src/components/GitHubActionsFetcher.refactored.tsx](src/components/GitHubActionsFetcher.refactored.tsx)
4. Check available hooks: [src/hooks/index.ts](src/hooks/index.ts)

### Path 3: Deep Dive (3 hours)
1. [IMPLEMENTATION_SUMMARY.md](IMPLEMENTATION_SUMMARY.md) - Overview
2. [ARCHITECTURE_DIAGRAM.md](ARCHITECTURE_DIAGRAM.md) - Architecture
3. [docs/REFACTORING_ENFORCEMENT_GUIDE.md](docs/REFACTORING_ENFORCEMENT_GUIDE.md) - Complete guide
4. [docs/REFACTORING_STRATEGY.md](docs/REFACTORING_STRATEGY.md) - Strategy & analysis
5. [docs/REFACTORING_QUICK_REFERENCE.md](docs/REFACTORING_QUICK_REFERENCE.md) - Code patterns

### Path 4: Team Lead/Manager (2 hours)
1. [IMPLEMENTATION_SUMMARY.md](IMPLEMENTATION_SUMMARY.md) - What was done
2. [ARCHITECTURE_DIAGRAM.md](ARCHITECTURE_DIAGRAM.md) - Overview
3. [TEAM_CHECKLIST.md](TEAM_CHECKLIST.md) - Process
4. [docs/REFACTORING_STRATEGY.md](docs/REFACTORING_STRATEGY.md) - Strategy

---

## 🔍 Find What You Need

### "I want to..."

**...understand the size limits**
→ [REFACTORING_QUICK_START.md](REFACTORING_QUICK_START.md) + [ARCHITECTURE_DIAGRAM.md](ARCHITECTURE_DIAGRAM.md)

**...run the size limit checker**
→ [REFACTORING_QUICK_START.md](REFACTORING_QUICK_START.md#-how-to-check)

**...refactor my component**
→ [REFACTORING_QUICK_START.md](REFACTORING_QUICK_START.md#-how-to-refactor-step-by-step)

**...use an existing hook**
→ [src/hooks/index.ts](src/hooks/index.ts)

**...create a new hook**
→ [REFACTORING_QUICK_START.md](REFACTORING_QUICK_START.md#-how-to-refactor-step-by-step)

**...see a refactoring example**
→ [src/components/GitHubActionsFetcher.refactored.tsx](src/components/GitHubActionsFetcher.refactored.tsx)

**...understand the metrics**
→ [ARCHITECTURE_DIAGRAM.md](ARCHITECTURE_DIAGRAM.md#size-limit-metrics)

**...set up CI/CD**
→ [docs/REFACTORING_ENFORCEMENT_GUIDE.md](docs/REFACTORING_ENFORCEMENT_GUIDE.md#-deployment-steps)

**...train the team**
→ [TEAM_CHECKLIST.md](TEAM_CHECKLIST.md)

**...understand the strategy**
→ [docs/REFACTORING_STRATEGY.md](docs/REFACTORING_STRATEGY.md)

**...get code examples**
→ [docs/REFACTORING_QUICK_REFERENCE.md](docs/REFACTORING_QUICK_REFERENCE.md)

---

## 📊 Quick Stats

| Metric | Value |
|--------|-------|
| **Lines of Code (LOC) Limit** | 150 per file |
| **Total Lines Limit** | 200 per file |
| **Max Nesting Depth** | 3 levels |
| **Max Exports** | 5-10 per file |
| **Max Function Params** | 5 parameters |

| Component | Before | After | Reduction |
|-----------|--------|-------|-----------|
| GitHubActionsFetcher | 887 LOC | 85 LOC | 90.4% |
| Hook Library | - | 280 LOC | - |
| Sub-components | - | ~76 LOC | - |

| Documentation | Lines |
|---|---|
| Root level guides | 1,235 LOC |
| docs/ folder guides | 3,700+ LOC |
| **Total** | **4,935+ LOC** |

---

## 🚀 Quick Commands

```bash
# Check size limits
npx tsx /workspaces/metabuilder/scripts/enforce-size-limits.ts

# View report
cat size-limits-report.json

# List available hooks
cat src/hooks/index.ts
```

---

## 📞 Support

**Getting help?** Check in this order:
1. [REFACTORING_QUICK_START.md](REFACTORING_QUICK_START.md) - Quick answers
2. [ARCHITECTURE_DIAGRAM.md](ARCHITECTURE_DIAGRAM.md) - Visual explanations
3. [docs/REFACTORING_ENFORCEMENT_GUIDE.md](docs/REFACTORING_ENFORCEMENT_GUIDE.md) - Detailed reference
4. [docs/REFACTORING_QUICK_REFERENCE.md](docs/REFACTORING_QUICK_REFERENCE.md) - Code examples
5. Example code in [src/components/](src/components/) and [src/hooks/](src/hooks/)

---

## ✅ Verification Checklist

Have you...?
- [ ] Read REFACTORING_QUICK_START.md
- [ ] Run the size limit checker
- [ ] Reviewed the hook examples
- [ ] Looked at the refactored component
- [ ] Understand the metrics
- [ ] Know where to find documentation
- [ ] Ready to refactor your code

---

## 📋 File Structure

```
/workspaces/metabuilder/
├── REFACTORING_QUICK_START.md         ← Start here
├── IMPLEMENTATION_SUMMARY.md           ← Overview
├── ARCHITECTURE_DIAGRAM.md             ← Visual guide
├── TEAM_CHECKLIST.md                   ← Team process
│
├── scripts/
│   └── enforce-size-limits.ts          ← Tool
│
├── src/
│   ├── hooks/
│   │   ├── useGitHubFetcher.ts
│   │   ├── useAutoRefresh.ts
│   │   ├── useFileTree.ts
│   │   ├── useCodeEditor.ts
│   │   └── index.ts
│   └── components/
│       ├── GitHubActionsFetcher.refactored.tsx
│       └── WorkflowRunCard.tsx
│
├── docs/
│   ├── REFACTORING_ENFORCEMENT_GUIDE.md
│   ├── REFACTORING_STRATEGY.md
│   ├── REFACTORING_QUICK_REFERENCE.md
│   ├── REFACTORING_INDEX.md
│   ├── REFACTORING_DIAGRAMS.md
│   └── REFACTORING_SUMMARY.md
│
├── .github/workflows/
│   └── size-limits.yml                 ← CI/CD
│
└── .git/hooks/
    └── pre-commit                      ← Local check
```

---

**Last Updated**: December 25, 2025  
**Status**: 🟢 Complete & Production Ready  
**Version**: 1.0
