Marcel e33164c4aa fix(training): use ketos CLI subprocess instead of missing Python API ...

kraken.ketos has no .train or .segtrain attributes in Kraken 7 — both are
only exposed as CLI commands. Rewrites both training functions to invoke
`ketos train` / `ketos segtrain` via subprocess and parse the best
val_metric from checkpoint filenames.

Also fixes the OcrTrainingCard history so it only shows non-blla runs
(recognition model), matching SegmentationTrainingCard which already
filtered to blla-only.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-04-13 20:50:21 +02:00

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