Update both English and Chinese versions of the OCR architecture documentation to reflect current implementation where IPC serves as API layer. Clarify direct communication between renderer and business layer, and enhance data flow diagrams with new components and security aspects.
Add comprehensive technical documentation for the OCR system architecture, covering:
- Layered architecture design
- Provider system implementation
- Data flow and type system
- Configuration management
- Error handling and security
- Development guidelines
The documentation was automatically generated based on code analysis and reflects the current implementation state.
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