# 💬 AgentOS Chat Mode - Complete Documentation Index

Welcome to the AgentOS Chat Mode documentation. Find what you need below!

## 🚀 Quick Start

**Just want to use it?**

```bash
# Start chatting right now
agentos chat

# Use a different AI provider
agentos chat --provider claude
agentos chat --provider gemini
```

See [Quick Start Guide](#quick-start-guide) below.

---

## 📚 Documentation Guide

### For Different Users

#### 👤 **I'm a new user, just show me how to use it**

→ [CHAT_MODE.md](./CHAT_MODE.md) - Complete user guide with examples

#### ⚡ **I want quick command references and one-liners**

→ [CHAT_QUICK_REFERENCE.md](./CHAT_QUICK_REFERENCE.md) - Quick reference card

#### 🛠️ **I want to understand how it's implemented**

→ [CHAT_MODE_IMPLEMENTATION.md](./CHAT_MODE_IMPLEMENTATION.md) - Technical details

#### 🏗️ **I want to see the architecture and design**

→ [CHAT_ARCHITECTURE.md](./CHAT_ARCHITECTURE.md) - Diagrams and architecture

#### 📋 **I want an overview of what was added**

→ [CHAT_FEATURE_SUMMARY.md](./CHAT_FEATURE_SUMMARY.md) - Complete summary

---

## 📖 Documentation Files

### Main Guides

| Document                                                     | Purpose               | Audience   |
| ------------------------------------------------------------ | --------------------- | ---------- |
| [CHAT_MODE.md](./CHAT_MODE.md)                               | Complete user guide   | Everyone   |
| [CHAT_QUICK_REFERENCE.md](./CHAT_QUICK_REFERENCE.md)         | Command reference     | Users      |
| [CHAT_MODE_IMPLEMENTATION.md](./CHAT_MODE_IMPLEMENTATION.md) | Technical details     | Developers |
| [CHAT_ARCHITECTURE.md](./CHAT_ARCHITECTURE.md)               | Design & architecture | Architects |
| [CHAT_FEATURE_SUMMARY.md](./CHAT_FEATURE_SUMMARY.md)         | Feature overview      | Everyone   |

### Implementation Files

| File                                                          | Purpose             | Lines |
| ------------------------------------------------------------- | ------------------- | ----- |
| [agentos/cli/cli_cmd_chat.py](../agentos/cli/cli_cmd_chat.py) | Main implementation | 175   |
| [examples/chat-demo.py](../examples/chat-demo.py)             | Demo script         | ~100  |

### Modified Files

| File                                                          | Changes                      |
| ------------------------------------------------------------- | ---------------------------- |
| [agentos/cli/cli_parser.py](../agentos/cli/cli_parser.py)     | Added chat command & options |
| [agentos/cli/cli_commands.py](../agentos/cli/cli_commands.py) | Exported cmd_chat            |
| [agentos/agentos.py](../agentos.py)                           | Registered chat command      |
| [README.md](../README.md)                                     | Added chat mode section      |

---

## 🎯 Common Tasks

### I want to...

#### **Chat with AI right now**

```bash
agentos chat
```

→ See [CHAT_QUICK_REFERENCE.md](./CHAT_QUICK_REFERENCE.md#one-liners)

#### **Use a specific AI provider**

```bash
agentos chat --provider claude      # Claude
agentos chat --provider gemini      # Gemini (fast)
agentos chat --provider ollama      # Local/offline
```

→ See [CHAT_QUICK_REFERENCE.md](./CHAT_QUICK_REFERENCE.md#providers-at-a-glance)

#### **Chat with custom settings**

```bash
agentos chat --provider openai --model gpt-4 --temperature 0.3
```

→ See [CHAT_MODE.md](./CHAT_MODE.md#advanced-options)

#### **Set up API keys**

See [CHAT_MODE.md](./CHAT_MODE.md#configuration)
or [CHAT_QUICK_REFERENCE.md](./CHAT_QUICK_REFERENCE.md#setup-one-time)

#### **Use offline (no API keys)**

```bash
agentos chat --provider ollama
```

→ See [CHAT_QUICK_REFERENCE.md](./CHAT_QUICK_REFERENCE.md#setup-one-time)

#### **Understand what's available**

→ See [Providers at a Glance](./CHAT_QUICK_REFERENCE.md#providers-at-a-glance)

#### **Fix a problem**

→ See [CHAT_MODE.md](./CHAT_MODE.md#troubleshooting)

#### **Learn how it works**

→ See [CHAT_ARCHITECTURE.md](./CHAT_ARCHITECTURE.md)

---

## 🎓 Learning Path

### Beginner (Getting Started)

1. Read: [CHAT_MODE.md](./CHAT_MODE.md#quick-start) - Quick Start
2. Run: `agentos chat --help`
3. Try: `agentos chat`
4. Explore: Different providers with `--provider` flag

### Intermediate (Advanced Usage)

1. Read: [CHAT_QUICK_REFERENCE.md](./CHAT_QUICK_REFERENCE.md)
2. Learn: All providers and their differences
3. Master: Temperature, system prompts, model selection
4. Optimize: Choose right provider for your use case

### Advanced (Technical)

1. Read: [CHAT_MODE_IMPLEMENTATION.md](./CHAT_MODE_IMPLEMENTATION.md)
2. Read: [CHAT_ARCHITECTURE.md](./CHAT_ARCHITECTURE.md)
3. Explore: [agentos/cli/cli_cmd_chat.py](../agentos/cli/cli_cmd_chat.py)
4. Understand: Integration points and design decisions

---

## 📊 Feature Overview

### Supported Providers

- ✅ OpenAI (GPT-4, GPT-3.5)
- ✅ Claude (Anthropic)
- ✅ Gemini (Google)
- ✅ GitHub Models (free)
- ✅ Cohere
- ✅ Ollama (local/offline)

### Key Features

- 💬 Interactive chat with context preservation
- 🎨 Rich terminal UI with markdown rendering
- ⚙️ Customizable temperature and prompts
- 🔒 Privacy with local Ollama
- 🆓 Free options available
- 🔄 Multi-turn conversations
- 📝 Chat history management
- ⌨️ Special commands (exit, clear, help, status)

### Use Cases

- 🎓 Learning and education
- 💼 Quick consultations
- 🧠 Brainstorming
- 🐛 Debugging help
- ✍️ Writing assistance
- 💻 Code generation

---

## 🔧 Configuration Quick Start

### Get API Keys

1. **OpenAI**: https://platform.openai.com/api-keys
2. **Claude**: https://console.anthropic.com/
3. **Gemini**: https://aistudio.google.com/app/apikey
4. **GitHub**: https://github.com/settings/tokens
5. **Cohere**: https://dashboard.cohere.com/api-keys

### Set in .env

```env
OPENAI_API_KEY=sk-...
CLAUDE_API_KEY=sk-ant-...
GEMINI_API_KEY=...
GIT_HUB_TOKEN=github_pat_...
COHERE_API_KEY=...
```

### Or Use Ollama (Free & Local)

```bash
# 1. Install from https://ollama.ai
# 2. Run in terminal
ollama serve

# 3. In another terminal
ollama pull phi3

# 4. Chat (no keys needed)
agentos chat --provider ollama
```

---

## 💡 Tips & Tricks

### Speed Comparisons

- ⚡⚡⚡ **Fastest**: Gemini
- ⚡⚡ **Fast**: OpenAI, GitHub
- ⚡ **Slower**: Claude, Ollama (depends on local hardware)

### Cost Comparison

- 🆓 **Free**: GitHub, Ollama
- 💰 **Cheap**: GitHub
- 💵 **Moderate**: OpenAI, Gemini, Cohere
- 💳 **Higher**: Claude

### Quality Comparison

- ⭐⭐⭐⭐⭐ **Best**: OpenAI, Claude
- ⭐⭐⭐⭐ **Great**: Gemini, Cohere
- ⭐⭐⭐ **Good**: Ollama (depends on model)

### Use Case Recommendations

- **Code Help**: Claude or GPT-4
- **Quick Answers**: Gemini
- **Budget**: GitHub or Ollama
- **Privacy**: Ollama
- **Learning**: Any (try Gemini for speed)

---

## 🆘 Troubleshooting Guide

### Common Issues

| Problem              | Solution                                            |
| -------------------- | --------------------------------------------------- |
| "Invalid provider"   | Use: github, gemini, cohere, openai, claude, ollama |
| "API key not set"    | Add to .env with correct variable name              |
| "No response"        | Check internet, verify API service running          |
| Ollama won't connect | Run `ollama serve` first                            |
| Slow responses       | Try Gemini or GitHub (faster)                       |
| API errors           | Check .env file, verify API keys are valid          |

→ See [CHAT_MODE.md#troubleshooting](./CHAT_MODE.md#troubleshooting)

---

## 🎁 What's Included

### New Files

- `agentos/cli/cli_cmd_chat.py` - Chat implementation
- `examples/chat-demo.py` - Demo script
- `MD/CHAT_MODE.md` - User guide
- `MD/CHAT_QUICK_REFERENCE.md` - Quick reference
- `MD/CHAT_MODE_IMPLEMENTATION.md` - Technical details
- `MD/CHAT_ARCHITECTURE.md` - Architecture docs
- `MD/CHAT_FEATURE_SUMMARY.md` - Feature summary
- `MD/CHAT_DOCUMENTATION_INDEX.md` - This file

### Modified Files

- `agentos/cli/cli_parser.py` - Added chat command
- `agentos/cli/cli_commands.py` - Exported cmd_chat
- `agentos/agentos.py` - Registered chat command
- `README.md` - Added chat section

---

## 🚀 Getting Help

### Need help with...

**Using the chat mode?**
→ [CHAT_MODE.md](./CHAT_MODE.md)

**Finding quick commands?**
→ [CHAT_QUICK_REFERENCE.md](./CHAT_QUICK_REFERENCE.md)

**Understanding how it works?**
→ [CHAT_ARCHITECTURE.md](./CHAT_ARCHITECTURE.md)

**Technical implementation?**
→ [CHAT_MODE_IMPLEMENTATION.md](./CHAT_MODE_IMPLEMENTATION.md)

**Setting up?**
→ [CHAT_MODE.md#configuration](./CHAT_MODE.md#configuration)

**Troubleshooting?**
→ [CHAT_MODE.md#troubleshooting](./CHAT_MODE.md#troubleshooting)

**General questions?**
→ [CHAT_FEATURE_SUMMARY.md](./CHAT_FEATURE_SUMMARY.md)

---

## 📞 Command Reference

```bash
# Basic
agentos chat                           # Default (OpenAI)

# Providers
agentos chat --provider openai         # OpenAI (default)
agentos chat --provider claude         # Claude
agentos chat --provider gemini         # Gemini
agentos chat --provider github         # GitHub
agentos chat --provider cohere         # Cohere
agentos chat --provider ollama         # Ollama

# Customization
agentos chat --model gpt-4             # Specific model
agentos chat --temperature 0.3         # Less creative
agentos chat --system-prompt "..."     # Custom instruction

# Help
agentos chat --help                    # Show help
```

See [CHAT_QUICK_REFERENCE.md](./CHAT_QUICK_REFERENCE.md#one-liners) for more.

---

## 📈 What's New

✨ **Interactive Chat Mode** - Have real-time conversations with AI
🎨 **Rich Terminal UI** - Beautiful formatted output
🤖 **6 AI Providers** - Choose your favorite
⚙️ **Customizable** - Temperature, prompts, models
🔒 **Privacy Options** - Local Ollama support
🆓 **Free Options** - GitHub & Ollama
📝 **Context Preservation** - Multi-turn conversations

---

## 📋 Version Info

**Feature**: Chat Mode
**Version**: 1.0
**Status**: Production Ready
**Added**: December 2025

---

## 🔗 Quick Links

| Link                                                         | Purpose             |
| ------------------------------------------------------------ | ------------------- |
| [Quick Start](./CHAT_MODE.md#quick-start)                    | Get started now     |
| [One-Liners](./CHAT_QUICK_REFERENCE.md#one-liners)           | Common commands     |
| [Providers](./CHAT_QUICK_REFERENCE.md#providers-at-a-glance) | Provider comparison |
| [Setup Guide](./CHAT_QUICK_REFERENCE.md#setup-one-time)      | Configuration       |
| [Architecture](./CHAT_ARCHITECTURE.md)                       | Design docs         |
| [Main README](../README.md)                                  | Project overview    |

---

## 🎯 Next Steps

1. **Read**: This index (you're here!)
2. **Learn**: [CHAT_MODE.md](./CHAT_MODE.md) for full guide
3. **Try**: `agentos chat` to start
4. **Explore**: Different providers with `--provider`
5. **Master**: Use [Quick Reference](./CHAT_QUICK_REFERENCE.md) for advanced tips

---

**Happy chatting! 🚀**

For questions or issues, refer to the appropriate documentation file above.
