t-paliad-229 hard rule: "Don't write release notes for things still
in design phase (submission generator, etc.)". Klageerwiderung
shipped end-to-end via t-paliad-215 Slice 1, but m flagged the whole
submission generator as too early for the public changelog — only
one template, more to follow. Removing the 2026-05-19 entry; the 9
other entries remain unchanged.