The Поддержка tab opens an assistant that answers how-to questions from
the handbook. The chat is a sandboxed iframe on the assistant's own
origin and is only loaded after an explicit click, so Help and its search
stay local and no third-party script runs inside the app.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Add a question-circle SVG mask to Help using the existing sidebar pseudo-element. Preserve shared icon geometry, theme colors and navigation behavior. Add full-app icon regression and correct the previous loading-recovery fixture. Production promotion remains gated by full main QA.