* feat(ui): merge voice level meter into the stop-voice pill and disambiguate stop controls
* docs(web): describe the live voice pill control in Talk mode
* test(ui): capture dark-mode voice control proof in talk e2e
* fix(ui): keep the live voice pill wide at phone widths
* fix(ui): show the stop glyph instead of a fake listening meter when a talk session errors
* test(ui): assemble the mock talk client secret so scanners do not flag it