feat(ocr): on-device OCR via Google ML Kit Text Recognition v2 (#423) #424
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admin-mrrm/mrrmlabapp!424
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Delete branch "feat/423-mlkit-spike"
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Closes #423.
Replaces #422 (TrOCR-handwritten, verworfen wegen IAM-Bias).
Was sich ändert
@react-native-ml-kit/text-recognitionals Depapps/mobile/src/services/ocr-service.ts(delegiert direkt an ML Kit)apps/mobile/app/ocr-spike.tsxmit Galerie + Foto-Picker (hidden routemrrmlab:///ocr-spike)_layout.tsxregistriertKein ORT/ONNX/Tokenizer-Stack mehr — Sprach-agnostisches Latin-Skript-Modell wird beim ersten Aufruf via Play Services nachgeladen (~20 MB), Inferenz on-device.
Test-Ergebnis (handschriftliches „Oregano")
n→m, 1 Space-Insertion)Acceptance-Criterion CER ≤ 0.30 erfüllt — Pivot ist die richtige Entscheidung.
Was offen bleibt
Reviewer-Notes
@react-native-ml-kit/text-recognitionautolinkt via Expo prebuild im dev-client (kein Config-Plugin nötig). EAS-Buildde0beabberfolgreich, manuell verifiziert.onnxruntime-react-native-Nutzung (bleibt für NLI-Classifier in Mail-Categorize).