t3x-cowriter

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TYPO3 extension for AI-powered content creation in CKEditor - by Netresearch

t3x-cowriter 최신버젼 다운로드

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# TYPO3 Extension: t3_cowriter

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AI-powered content assistant for TYPO3 CKEditor - write better content with help from AI.

![Cowriter dialog in TYPO3 v14 backend](https://raw.githubusercontent.com/netresearch/t3x-cowriter/main/Documentation/Images/CowriterHero.png)

## Features

- **Task-based dialog**: Select from predefined tasks (Improve, Summarize, Extend, Fix Grammar, Translate) with result preview before inserting
- **Vision / Alt Text**: Analyze images and generate descriptive alt text via the CKEditor toolbar
- **Translation**: Translate selected text into 10+ languages directly from the toolbar dropdown
- **Prompt Templates**: Load reusable prompt presets from the backend for consistent content generation
- **Tool Calling**: Structured function calling that lets the LLM query TYPO3 content during conversations
- **CKEditor Integration**: Four toolbar components — main dialog, vision, translation, and templates
- **Multi-Provider Support**: Works with all LLM providers supported by nr-llm (OpenAI, Claude, Gemini, etc.)
- **Secure Backend Proxy**: API keys never exposed to frontend — all requests proxied through TYPO3 backend
- **Context control**: Choose between selected text or full content element as context
- **Ad-hoc instructions**: Add custom instructions per request (e.g., "Write in formal tone")
- **Rate limiting**: 20 requests/minute per backend user
- **Streaming**: Server-Sent Events for real-time completions
- **Content sanitization**: Frontend DOMParser-based sanitization with CKEditor's HTML processing pipeline

## Requirements

- PHP 8.2+
- TYPO3 v13.4 LTS or v14.3 LTS
- [netresearch/nr-llm](https://github.com/netresearch/t3x-nr-llm) 0.26+ (LLM provider abstraction)

## Installation

Install via Composer:

```bash
composer require netresearch/t3-cowriter
```

## Configuration

### 1. Configure nr-llm Extension

First, set up at least one LLM provider in the nr-llm extension:

1. Navigate to **Admin Tools → LLM Management**
2. Add a provider (e.g., OpenAI with your API key)
3. Create a model configuration
4. Create an LLM configuration and set it as default

### 2. Add CKEditor Preset

#### Option A: Use the included preset

Add the cowriter preset to your Page TSconfig:

```typoscript
RTE.default.preset = cowriter
```

#### Option B: Extend your existing preset

Add to your RTE configuration YAML:

```yaml
editor:
  config:
    importModules:
      - { module: '@netresearch/t3_cowriter/cowriter', exports: ['Cowriter'] }
    toolbar:
      items:
        - cowriter
        - cowriterVision
        - cowriterTranslate
        - cowriterTemplates
```

## Usage

1. Open a content element with a rich text field in the TYPO3 backend
2. Optionally select text in CKEditor (or leave empty to use full content)
3. Click the **Cowriter** button in the toolbar
4. A dialog opens where you can:
   - **Select a task** (Improve Text, Summarize, Extend, Fix Grammar, Translate to EN/DE)
   - **Choose context scope** — selected text or whole content element
   - **Add instructions** — optional ad-hoc rules like "Write in formal tone"
5. Click **Execute** — the task is sent to the LLM
6. Review the result in the preview area
7. Click **Insert** to replace content, or **Retry** to re-execute

### Available tasks

Tasks are managed in the nr-llm extension (`tx_nrllm_task` table) with `category = 'content'`. Default tasks:

| Task | Description |
|------|-------------|
| Improve Text | Enhance readability and quality |
| Summarize | Create a concise summary |
| Extend / Elaborate | Add depth and detail |
| Fix Grammar & Spelling | Correct grammar and spelling |
| Translate to English | Translate to English |
| Translate to German | Translate to German |

## Architecture

```
CKEditor Toolbar
  ├─ cowriter         → [CowriterDialog] → AIService.js → AjaxController
  ├─ cowriterVision   → AIService.js     ──────────────→ VisionController
  ├─ cowriterTranslate→ AIService.js     ──────────────→ TranslationController
  ├─ cowriterTemplates→ AIService.js     ──────────────→ TemplateController
  └─ (tool calling)   → AIService.js     ──────────────→ ToolController
                                                              ↓
                                                   [LlmServiceManagerInterface]
                                                              ↓
                                                        [nr-llm Provider]
                                                              ↓
                                                        [External LLM API]
```

All LLM requests are proxied through the TYPO3 backend. API keys are stored encrypted and never exposed to the browser.

## Development

### Prerequisites

- DDEV for local development
- PHP 8.2+ with required extensions

### Setup

```bash
ddev start
ddev composer install
ddev install-v14
```

### Testing

```bash
# Run all quality checks (lint, phpstan, rector, code style)
make ci

# Run all tests (unit, functional, integration, e2e)
make test

# Individual test suites
make test-unit           # Unit tests
make test-functional     # Functional tests
make test-integration    # Integration tests
make test-e2e            # End-to-end tests

# Code quality
make lint               # PHP-CS-Fixer
make phpstan            # PHPStan level 10
```

### Test Coverage

Target: >80% code coverage

```bash
make test-coverage
open var/coverage/unit/index.html
```

## Security

- API keys stored in nr-llm with sodium encryption
- All backend AJAX endpoints require TYPO3 authentication
- Frontend DOMParser-based content sanitization via CKEditor's HTML processing pipeline
- TYPO3 backend route authentication with nonce-based URL tokens
- Content Security Policy (CSP) compatible

## Migration to v3.x

Version 3.0 requires TYPO3 v13.4+ and PHP 8.2+. It removes the frontend-only architecture
and uses the nr-llm extension for provider-agnostic LLM access. API keys are no longer stored
in extension settings.

See [CHANGELOG.md](CHANGELOG.md) for migration details.

## License

This project is licensed under the GNU General Public License v3.0 - see the [LICENSE](LICENSE) file for details.

## Contributing

See [CONTRIBUTING.md](CONTRIBUTING.md) for contribution guidelines.

## Contact

[Netresearch DTT GmbH](https://www.netresearch.de/) - Your TYPO3 and eCommerce experts.

> [Twitter](https://twitter.com/netresearch) | [LinkedIn](https://www.linkedin.com/company/netresearch/) | [GitHub](https://github.com/netresearch)

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