Suggest Pronunciation
Return a deterministic FE-parity pronunciation fallback.
``language`` is reserved for future per-locale rules; ``ipa`` is reserved
for a future generator and is always ``None`` in this version.
Workspace scoping is enforced via ``get_current_workspace`` even though the
response is workspace-independent today: this keeps all ``/api/v1/``
endpoints uniform (see CLAUDE.md §Workspace Scoping) and leaves room for
per-workspace dictionary overrides when the generator lands.