docs: updated readme

CLAUDE.md

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+# Claude Code Development Guide
+
+This file contains information for Claude Code to help with development tasks for the Channel Advisor API Python project.
+
+## Project Overview
+
+This is a strongly typed Pydantic-based Python API client for Channel Advisor with built-in pagination, retries, and AI-enhanced product data capabilities.
+
+## Development Commands
+
+### Testing
+```bash
+# Run full test suite with coverage
+make test
+
+# Runs: pytest --cov --cov-branch --cov-report=xml --cov-report=term-missing:skip-covered
+```
+
+### Code Quality
+```bash
+# Run linting (flake8)
+make lint
+
+# Auto-fix formatting and imports
+make fix
+
+# Combines fix + lint
+make lint-fix
+```
+
+### Versioning
+```bash
+# Check what version changes would be made (dry run)
+make version-noop
+
+# Create new version using semantic-release
+make version
+```
+
+## Code Standards
+
+- **Linting**: Use `flake8` for code linting (configured in `.flake8`)
+- **Formatting**: Use `black` with 120 character line length
+- **Import Management**: `autoflake` removes unused imports and variables
+- **Testing**: `pytest` with coverage reporting required
+- **Type Hints**: Full type annotation required (Pydantic models)
+
+## Project Structure
+
+```
+channel_advisor_api/
+├── models/           # Pydantic models and API wrappers
+├── utils/           # Utility functions (logger, AWS helpers)
+└── __init__.py
+```
+
+## Development Workflow
+
+1. **Create Feature Branch**: Create a branch from `main`
+2. **Implement Changes**: Follow coding standards, add tests
+3. **Run Quality Checks**: `make lint-fix` and `make test`
+4. **Create Pull Request**: Submit PR against `main` branch
+5. **Merge**: After approval, merge triggers automatic PyPI deployment via GitHub Actions
+
+## Environment Setup
+
+Required environment variables for development:
+```bash
+CA_REFRESH_TOKEN=your_refresh_token
+CA_APPLICATION_ID=your_application_id
+CA_SHARED_SECRET=your_shared_secret
+```
+
+## Key Dependencies
+
+- **pydantic**: Type validation and serialization
+- **requests**: HTTP client for Channel Advisor API
+- **aws-lambda-powertools**: AWS integration utilities
+
+## Testing Guidelines
+
+- Write tests for all new functionality
+- Maintain test coverage (current config reports missing coverage)
+- Use pytest fixtures for reusable test setup
+- Mock external API calls in tests
+
+## Deployment
+
+- Automatic deployment to PyPI via GitHub Actions on merge to main
+- Semantic versioning handled by `semantic-release`
+- Version bumps automatically update `pyproject.toml` and `__init__.py`

README.md

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+# Channel Advisor API Python
+
+A strongly typed Pydantic-based Python API client for Channel Advisor with built-in pagination, retries, and AI-enhanced product data improvement capabilities.
+
+## Features
+
+- **Strongly Typed**: Full Pydantic model support with comprehensive type hints
+- **Robust Pagination**: Automatic handling of paginated API responses
+- **Smart Retries**: Built-in retry logic for reliable API interactions
+- **AI Enhancement**: AI-powered functions to improve and optimize product data
+- **Easy Authentication**: Simple environment variable-based credential management
+
+## Installation
+
+```bash
+# Using pip
+pip install channel-advisor-api-python
+
+# Using uv
+uv add channel-advisor-api-python
+```
+
+## Quick Start
+
+### 1. Set up your environment variables
+
+Create a `.env` file or set the following environment variables:
+
+```bash
+CA_REFRESH_TOKEN=your_refresh_token_here
+CA_APPLICATION_ID=your_application_id_here
+CA_SHARED_SECRET=your_shared_secret_here
+```
+
+### 2. Basic Usage
+
+```python
+from channel_advisor_api.models.channel_advisor import BaseProduct
+from channel_advisor_api.models.channel_advisor_client import ChannelAdvisorClient
+
+# Initialize client
+client = ChannelAdvisorClient()
+
+# Get products with automatic pagination and typing
+products = BaseProduct.get_client().get_products()
+
+# Access strongly typed product data
+for product in products:
+    print(f"SKU: {product.sku}")
+    print(f"Title: {product.title}")
+    print(f"Price: {product.price}")
+```
+
+### 3. AI-Enhanced Product Data
+
+```python
+from channel_advisor_api.models.channel_advisor_llm import ProductOptimizer
+
+# Use AI to improve product descriptions and titles
+optimizer = ProductOptimizer()
+improved_product = optimizer.enhance_product_data(product)
+```
+
+## API Credentials
+
+To use this library, you need Channel Advisor API credentials:
+
+1. **CA_REFRESH_TOKEN**: Your Channel Advisor refresh token
+2. **CA_APPLICATION_ID**: Your application ID from Channel Advisor
+3. **CA_SHARED_SECRET**: Your shared secret from Channel Advisor
+
+You can obtain these from your Channel Advisor developer account.
+
+## Development
+
+See [CLAUDE.md](CLAUDE.md) for development setup and contribution guidelines.
+
+## License
+
+This project is licensed under the MIT License.
+
+## Support
+
+For issues and feature requests, please use the GitHub issue tracker.