Fix a CSS 3D tilt effect that breaks on hover areas

Two casts of the same string disagree in IoTDB: one raises error 701, the other quietly returns a different number. Here is how to spot it and stop it.

Copy then truncate leaves a gap where appended lines vanish. Rename closes it but only if the writer reopens its file. Here is what each workaround costs.

Language splits, string concatenation and plural forms all fail silently outside English. These are the choices we made so our 17-language picker holds up.