The wpctl-based mic toggle lost the volume bar the native swayosd input OSD
used to draw -- it only showed an icon + text. swayosd 0.3.x exposes
--custom-progress (0.0-1.0), so read the level back from wpctl after the
toggle and render icon + bar (muted/active glyph via --custom-icon),
matching the output-volume OSD. Parsing is pure bash builtins so the script
needs no PATH beyond the two pinned tools.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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