6d94fa5826
Done-state notifications now produce two synchronised outputs sharing one text: an entry appended to docs/WhatsNew.md and the same string sent via notify.sh. The text is written in German for the user-as- reader who did not watch the session — no technical internals, no iteration codes, lead with the change-in-the-project. WhatsNew.md is the only file in the repo intentionally not in English; the exception is documented in CLAUDE.md (Roles of docs/...) so a future reader does not "correct" it back. Bounce-back notifications stay Notify-only.