docs: update documentation for React frontend and cache mode

Update all documentation to reflect recent changes:
- Replace Streamlit dashboard references with React TypeScript dashboard
- Update dashboard port from 8501 to 8080
- Add auth.py and database.py to architecture section
- Change USE_DATABASE terminology to USE_CACHE
- Add JWT_SECRET to environment variables reference
- Document default admin credentials and user seeding

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

README.md

@@ -17,7 +17,7 @@ SPARC automatically collects, parses, and analyzes patents from companies to pro
 - **Portfolio Analysis**: Evaluates multiple patents holistically for comprehensive insights
 - **Batch Processing**: Analyze multiple companies concurrently with progress tracking
 - **REST API**: FastAPI web service with async job support
-- **Dashboard**: Interactive Streamlit visualization dashboard
+- **Dashboard**: React TypeScript web dashboard with authentication
 - **Robust Testing**: 40 tests covering all major functionality
 
 ## Architecture
@@ -27,7 +27,9 @@ SPARC/
 ├── serp_api.py       # Patent retrieval and PDF parsing
 ├── llm.py            # Claude AI integration via OpenRouter
 ├── analyzer.py       # High-level orchestration
-├── api.py            # FastAPI web service
+├── api.py            # FastAPI web service with auth endpoints
+├── auth.py           # JWT authentication module
+├── database.py       # PostgreSQL storage with caching
 ├── types.py          # Data models
 └── config.py         # Environment configuration
 ```
@@ -48,7 +50,7 @@ docker-compose up -d
 
 # Access the services
 # - API: http://localhost:8000
-# - Dashboard: http://localhost:8501
+# - Dashboard: http://localhost:8080
 # - API Docs: http://localhost:8000/docs
 ```
 
@@ -186,21 +188,22 @@ curl -X POST http://localhost:8000/analyze/batch/async \
   -d '{"companies": ["nvidia", "amd", "intel", "qualcomm"]}'
 ```
 
-### Visualization Dashboard
+### Web Dashboard
 
-Launch the interactive Streamlit dashboard:
+The React dashboard is included in Docker Compose:
 
 ```bash
-streamlit run dashboard.py
+docker-compose up -d
 ```
 
 Dashboard features:
+- **Authentication**: User registration, login, and JWT-based sessions
 - **Company Analysis**: Analyze individual companies with real-time results
-- **Batch Analysis**: Process multiple companies with progress tracking and charts
-- **Analytics**: View historical analysis data and trends (requires database mode)
-- **System Status**: Monitor database and analyzer health
+- **Batch Analysis**: Process multiple companies with progress tracking
+- **Analytics**: View historical analysis data and trends
+- **Admin Panel**: User management for administrators
 
-The dashboard runs at `http://localhost:8501` by default.
+The dashboard runs at `http://localhost:8080` when using Docker Compose.
 
 ## Running Tests
 
@@ -280,4 +283,4 @@ For open source projects, say how it is licensed.
 
 Core functionality complete. Ready for production use with API keys configured.
 
-All major features implemented: REST API, Streamlit dashboard, Docker containerization, database storage, and multi-company batch processing.
+All major features implemented: REST API, React dashboard with authentication, Docker containerization, database storage with caching, and multi-company batch processing.