Integrate OpenAPI/Swagger documentation using drf-spectacular, enhancing API documentation with comprehensive guides and schema generation. Add multiple documentation files covering authentication, error codes, rate limiting, and migration strategies. Update settings and URLs to support new documentation endpoints and schema configurations.

docs/SECTION-2-COMPLETE.md

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+# Section 2: Documentation - COMPLETE ✅
+
+**Date Completed**: 2025-11-16  
+**Status**: All Documentation Implemented and Verified
+
+---
+
+## Summary
+
+Section 2: Documentation has been successfully implemented with:
+- ✅ OpenAPI 3.0 schema generation (drf-spectacular v0.29.0)
+- ✅ Interactive Swagger UI and ReDoc
+- ✅ 7 comprehensive documentation files
+- ✅ Code examples in multiple languages
+- ✅ Integration guides for all platforms
+
+---
+
+## Deliverables
+
+### 1. OpenAPI/Swagger Integration ✅
+- **Package**: drf-spectacular v0.29.0 installed
+- **Endpoints**:
+  - `/api/schema/` - OpenAPI 3.0 schema
+  - `/api/docs/` - Swagger UI
+  - `/api/redoc/` - ReDoc
+- **Configuration**: Comprehensive settings with API description, tags, code samples
+
+### 2. Documentation Files ✅
+- **API-DOCUMENTATION.md** - Complete API reference
+- **AUTHENTICATION-GUIDE.md** - Auth guide with examples
+- **ERROR-CODES.md** - Error code reference
+- **RATE-LIMITING.md** - Rate limiting guide
+- **MIGRATION-GUIDE.md** - Migration instructions
+- **WORDPRESS-PLUGIN-INTEGRATION.md** - WordPress integration
+- **README.md** - Documentation index
+
+### 3. Schema Extensions ✅
+- Custom JWT authentication extension
+- Session authentication extension
+- Proper OpenAPI security schemes
+
+---
+
+## Verification
+
+✅ **drf-spectacular**: Installed and configured  
+✅ **Schema Generation**: Working (warnings are expected for some views)  
+✅ **Documentation Files**: 7 files created  
+✅ **Changelog**: Updated with documentation section  
+✅ **Code Examples**: Python, JavaScript, PHP, cURL included  
+
+---
+
+## Access
+
+- **Swagger UI**: `https://api.igny8.com/api/docs/`
+- **ReDoc**: `https://api.igny8.com/api/redoc/`
+- **OpenAPI Schema**: `https://api.igny8.com/api/schema/`
+- **Documentation Files**: `docs/` directory
+
+---
+
+## Status
+
+**Section 2: Documentation - COMPLETE** ✅
+
+All documentation is implemented, verified, and ready for use.
+
+---
+
+**Completed**: 2025-11-16
+