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- New voiceHotkeys.ts storage module. Stores per-action bindings with modifier flags (Ctrl/Shift/Alt) so Discord-style chords like Ctrl+Shift+M work. Defaults match Discord — Ctrl+Shift+M mute, Ctrl+Shift+D deafen — but ship disabled to avoid surprise collisions. - globalShortcut.ts grows registerGlobalShortcutPress / unregisterGlobalShortcut helpers that accept pre-formatted Tauri accelerator strings, since voiceHotkey chords can't be expressed by the existing codeToShortcut path (PTT-only single-key). - CallContext registers the chords OS-wide while a call is active (connected | reconnecting) so the hotkeys work from any focused window. A window-keydown fallback handles the non-Tauri / denied registration case. Both unregister on call end. - SettingsPage adds VoiceHotkeyControls (mute + deafen variants) with a chord-capture button that waits past modifier-only presses and binds to the first real key. Labels render as "Ctrl+Shift+M" consistently with the in-call PTT hint. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>