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feat(training): track and display CER per training run

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After each training run, the Character Error Rate (CER = 1 - accuracy),
loss, accuracy, and epoch count are now stored on the OcrTrainingRun
record and shown in the training history table.

Also adds the missing POST /api/ocr/segtrain endpoint and the
triggerSegTraining service method so the segmentation training card
can actually trigger training.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Marcel
2026-04-13 19:01:10 +02:00
parent a99afef319
commit 22954f348a
12 changed files with 118 additions and 14 deletions
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2
backend/src/test/java/org/raddatz/familienarchiv/service/OcrTrainingServiceTest.java
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@@ -93,7 +93,7 @@ class OcrTrainingServiceTest {
);
when(exportService.queryEligibleBlocks()).thenReturn(blocks);
when(exportService.exportToZip()).thenReturn(out -> {});
when(ocrClient.trainModel(any())).thenReturn(new OcrClient.TrainingResult(0.05, 0.95, 3));
when(ocrClient.trainModel(any())).thenReturn(new OcrClient.TrainingResult(0.05, 0.95, 0.05, 3));
OcrTrainingRun saved = OcrTrainingRun.builder()
.id(UUID.randomUUID()).status(TrainingStatus.RUNNING)