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atlas/books/media-analyzer/diagram.md

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+# Architecture Diagram Generation
+
+## Files
+- `system_architecture.dot` - Graphviz source file
+- `architecture_diagram.svg` - Generated SVG diagram
+
+## To Update Diagram
+
+```bash
+cd def/architecture
+dot -Tsvg system_architecture.dot -o architecture_diagram.svg
+```
+
+## Design Patterns Shown
+
+1. **Source Adapters** - Abstract different video input sources
+2. **Execution Strategies** - Local vs distributed processing 
+3. **Queue Segregation** - Separate workers for different analysis types
+4. **Analysis Adapters** - Pluggable AI models
+
+## Color Coding
+
+- **Green (✓)** - Currently implemented
+- **Yellow (○)** - Planned features
+- **Dotted lines** - Inheritance/abstraction
+- **Dashed lines** - Planned connections
+
+## Update Process
+
+When implementing new features:
+1. Change color from `#fff3cd` (yellow/planned) to `#d4edda` (green/implemented)
+2. Change edge style from `dashed` to `solid`
+3. Regenerate SVG