[PWGJE] Add SlimTables data model and producer for future standalone embedding studies#15132

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louisemillot wants to merge 2 commits intoAliceO2Group:masterfrom

louisemillot:SlimTablesEmbedding

Commits on Feb 23, 2026

adding files for slim tables for futur standalone embedding
louisemillot
committed

Commits on Feb 25, 2026

adressing Nimas comment on declaration of tables in task
louisemillot
committed