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- PiP widget now shows a live mm:ss / hh:mm:ss duration instead of the generic "tippe zum Öffnen" while a call is in progress. - New ParticipantsPopover — portal-mounted, fixed bottom-right, lists everyone in the call with avatar, speaking ring, mute/deafen badges and a per-peer volume slider. Wired to CallControls via the users button (data-participants-trigger skips the outside-click dismiss while toggling). - Non-terminal MicErrorBanner: getUserMedia failures inside joinRoom used to be silently swallowed by a console.error; they now set a categorized message (NotAllowedError / NotFoundError / NotReadableError) on CallContext.micError, render as a rose banner in both docked and fullscreen modes, and offer a Retry button that calls the extracted setupMicPipeline without rejoining the room. - Screen-share toggle is now 1-click using the last-saved preset + displaySurface. Right-click on the share button still opens the quality dialog for users who want to adjust before starting. - Noise-suppression toggle in the control bar (SparklesIcon). Flipping it updates audioSettings and hot-swaps the mic track via setAudioInputDevice so the new constraint takes effect without a rejoin. Mirrors Discord's Krisp button placement. - Fullscreen auto-speaker now tracks "most recently started speaking" instead of "exactly one currently speaking", so two people briefly overlapping doesn't kick the focus back to grid. Tracked in a prevSpeakers ref against each activeSpeakers diff. - Fullscreen controls auto-hide after 5s of mouse idle; mousemove / touchstart bring them back. Pinned visible while any popover (soundboard / volume-menu / participants / mic-error banner) is open so users can interact without the chrome fading mid-click. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>