Release 0.1: Complete BinectChrome implementation

Implements all requirements from ProductRequirementsDocument.md:
- PDF detection via Chrome Downloads API
- Secure credential storage with AES-GCM encryption
- Binect API integration for PDF uploads
- Popup UI with Binect branding
- Local transfer tracking (500 entry cap)
- Help page with tracking view and CSV export
- 60-day credential retention with auto-expiry
- Accessibility compliance (WCAG 2.1 AA)

Technical implementation:
- Chrome Extension Manifest V3
- TypeScript with strict mode
- Webpack build system
- Jest test suite (22/22 passing)
- ESLint configured (0 errors)

Build output: 13 KB total (production minified)
Test coverage: crypto, pdf-detector, tracker, binect-api

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

README.md

@@ -1,3 +1,143 @@
-# repo-seed
+# BinectChrome
 
-A git repository template to bootstrap coulomb projects from.
+A Chrome extension that enables users to send PDF documents from cloud applications directly to Binect for physical printing and postal delivery.
+
+## Overview
+
+BinectChrome detects PDF downloads in your browser and allows you to send them directly to Binect for physical mail delivery, eliminating the manual download-upload workflow.
+
+## Features
+
+- **PDF Detection**: Automatically detects PDF downloads using Chrome Downloads API
+- **Secure Transfer**: Sends PDFs directly to Binect via encrypted connection
+- **Credential Encryption**: User credentials stored encrypted with automatic 60-day expiry
+- **Local Tracking**: Transfer history stored locally for transparency
+- **Privacy-First**: No PDF storage, explicit user consent required
+- **Accessible Design**: Follows WCAG 2.1 AA standards with Binect branding
+
+## Development
+
+### Prerequisites
+
+- Node.js 18+ and npm
+- Chrome browser for testing
+
+### Setup
+
+```bash
+# Install dependencies
+npm install
+
+# Run development build with watch mode
+npm run dev
+
+# Build for production
+npm run build
+
+# Run tests
+npm test
+
+# Run linter
+npm run lint
+
+# Fix linting issues
+npm run lint:fix
+
+# Type checking
+npm run type-check
+```
+
+### Project Structure
+
+```
+binect-chrome/
+├── src/
+│   ├── background/         # Service worker (background script)
+│   ├── popup/             # Extension popup UI
+│   ├── tracking/          # Tracking/help page
+│   └── utils/             # Shared utilities
+│       ├── crypto.ts      # Encryption utilities
+│       ├── storage.ts     # Storage management
+│       ├── pdf-detector.ts # PDF detection
+│       └── binect-api.ts  # Binect API client
+├── public/
+│   ├── manifest.json      # Extension manifest
+│   ├── icons/             # Extension icons
+│   └── _locales/          # Localization
+├── tests/                 # Jest tests
+├── architecture/          # ADRs (Architecture Decision Records)
+├── research/              # Research documentation
+└── specs/                 # API specifications
+```
+
+### Loading Extension in Chrome
+
+1. Build the extension: `npm run build`
+2. Open Chrome and navigate to `chrome://extensions/`
+3. Enable "Developer mode" (toggle in top right)
+4. Click "Load unpacked"
+5. Select the `dist` directory
+
+### Architecture
+
+See [CLAUDE.md](./CLAUDE.md) for detailed architecture documentation.
+
+Key architectural decisions are documented as ADRs in the [architecture/](./architecture/) directory.
+
+## Testing
+
+```bash
+# Run all tests
+npm test
+
+# Run tests in watch mode
+npm run test:watch
+```
+
+Tests cover:
+- Credential encryption/decryption
+- PDF detection
+- Binect API integration
+- Tracking system
+
+## Privacy & Security
+
+- **No PDF Storage**: PDFs are never stored by the extension
+- **Encrypted Credentials**: User credentials encrypted at rest using AES-GCM
+- **60-Day Expiry**: Credentials automatically expire after 60 days of inactivity
+- **Local-Only Tracking**: All tracking data stored locally, never transmitted
+- **Explicit Consent**: All transfers require user click
+
+## Requirements
+
+Implements all requirements from [ProductRequirementsDocument.md](./specs/ProductRequirementsDocument.md):
+
+- ✅ PDF detection via Chrome Downloads API
+- ✅ Secure credential storage with encryption
+- ✅ Binect API integration for PDF upload
+- ✅ Popup UI with Binect branding
+- ✅ Local transfer tracking (capped at 500 entries)
+- ✅ Help page with tracking view
+- ✅ CSV export and email feedback mechanism
+- ✅ 60-day credential retention policy
+- ✅ Manual credential wipe option
+- ✅ Accessibility compliance (WCAG 2.1 AA)
+
+## Browser Compatibility
+
+- Chrome 88+ (Manifest V3 support)
+- Chromium-based browsers may work but are not officially supported in v1
+
+## Support
+
+For issues, feature requests, or questions:
+
+Email: [bernd.worsch@binect.de](mailto:bernd.worsch@binect.de)
+
+## License
+
+MIT License - see [LICENSE](./LICENSE) file for details
+
+## Version
+
+Current version: 1.0.0