12 lines
568 B
Markdown
12 lines
568 B
Markdown
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---
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priority: critical
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---
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- Pluggable backend architecture: all backends implement the OcrBackend trait
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- Backend independence: switching backends must not require API changes
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- Tesseract is the default backend (native C FFI via leptess)
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- Python backends (EasyOCR, PaddleOCR): use tokio::task::spawn_blocking, release GIL for Rust work
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- Graceful degradation: if preferred backend unavailable, fall back to next available
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- All backends must return structured results with confidence scores
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- Document installation requirements and troubleshooting for each backend
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