How the Reichsmarine could build experience under treaty limits

What should the interwar Reichsmarine have emphasized while constrained by Versailles?

It could exploit small craft, maximize sea training, and use foreign technical partnerships to preserve operational and design competence.

The most useful treaty workarounds would build people and design knowledge instead of merely hiding forbidden tonnage. Fast attack craft and other small vessels could be exercised frequently, giving crews and officers practical command experience. Foreign design work and capital-ship collaboration could keep German engineers connected to advances that domestic construction rules blocked. These measures would shorten the institutional climb if rearmament later became possible, even though they could not replace a battle fleet.