What it may solve
Cleans AI traces from Russian text: finds chatbot copy-paste artefacts (ChatGPT, Gemini, Grok, Perplexity, DeepSeek), strips hidden text marks (zero-width characters, invisible layout; shadow scan catches markers split by invisibles), and rewrites the text into natural prose on request; 40 regex markers, 38 with full evidence-registry entries; 72 gates, 193 tests; offline, text-only bundle (binary metadata removal lives in scripts/).
Imported third-party catalog description; not a Registry verification conclusion.