feat: add reranker training#1449

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adil-a wants to merge 19 commits intomainfrom

adil/retriever-feat

Commits on Mar 6, 2026

Commits on Mar 7, 2026

merging main and resolving conflicts
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Commits on Mar 8, 2026

refactor: unify passage count config — rename train_n_passages to n_passages, derive from dataloader

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claude
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Merge branch 'main' into adil/retriever-feat
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