-OpEd- BERLIN — What was life like as a Jew in Germany before October 7? It seems almost surrealistically far away looking back today. In the period leading up to Hamas attack a year ago, Holocaust survivors like Charlotte Knobloch had described a feeling of finally being able to unpack their suitcases in Germany. Meanwhile, Germans discovered their love for Israeli food, and the State of Israel developed from a last refuge into a source of Jewish self-confidence — beautiful, smart and capable of defending itself. In conversations about Tel Aviv, German students complained at most about the ho…