i18n Check

Finds the three ways translations silently rot: a key added to the default locale but never copied to the others (missing), a key copied but never translated (still reads identical to the source), and a key left behind in one locale after being renamed or removed from the default (orphan). Also catches new UI copy that was hardcoded instead of routed through the i18n layer in the first place: the most common way a translation key never gets created.

Step 1: Detect the framework

Look for these signals, in order, and stop at the first match: