refactor(voice): defer speech confirmation and add diagnostics

packages/app/src/components/dictation-controls.tsx

@@ -69,7 +69,6 @@ export function DictationControls({
         <VolumeMeter
           volume={volume}
           isMuted={false}
-          isDetecting
           isSpeaking={false}
           orientation="horizontal"
         />
@@ -177,7 +176,6 @@ export function DictationOverlay({
           <VolumeMeter
             volume={volume}
             isMuted={false}
-            isDetecting
             isSpeaking={false}
             orientation="horizontal"
             color={theme.colors.palette.white}

packages/app/src/components/realtime-voice-overlay.tsx

@@ -22,14 +22,13 @@ export function RealtimeVoiceOverlay({
   onStop,
 }: RealtimeVoiceOverlayProps) {
   const { theme } = useUnistyles();
-  const { volume, isDetecting, isSpeaking } = useVoiceTelemetry();
+  const { volume, isSpeaking } = useVoiceTelemetry();
   return (
     <View style={styles.container}>
       <View style={styles.meterContainer}>
         <VolumeMeter
           volume={volume}
           isMuted={isMuted}
-          isDetecting={isDetecting}
           isSpeaking={isSpeaking}
           orientation="horizontal"
         />

packages/app/src/components/voice-compact-indicator.tsx

@@ -6,7 +6,7 @@ import { useVoice, useVoiceTelemetry } from "@/contexts/voice-context";
 
 export function VoiceCompactIndicator() {
   const { theme } = useUnistyles();
-  const { volume, isDetecting, isSpeaking } = useVoiceTelemetry();
+  const { volume, isSpeaking } = useVoiceTelemetry();
   const {
     isVoiceMode,
     isVoiceSwitching,
@@ -24,7 +24,6 @@ export function VoiceCompactIndicator() {
         <VolumeMeter
           volume={volume}
           isMuted={isMuted}
-          isDetecting={isDetecting}
           isSpeaking={isSpeaking}
           orientation="horizontal"
           variant="compact"

packages/app/src/components/voice-panel.tsx

@@ -8,7 +8,7 @@ import { useHosts } from "@/runtime/host-runtime";
 export function VoicePanel() {
   const { theme } = useUnistyles();
   const daemons = useHosts();
-  const { volume, isDetecting, isSpeaking } = useVoiceTelemetry();
+  const { volume, isSpeaking } = useVoiceTelemetry();
   const {
     isMuted,
     stopVoice,
@@ -27,7 +27,6 @@ export function VoicePanel() {
           <VolumeMeter
             volume={volume}
             isMuted={isMuted}
-            isDetecting={isDetecting}
             isSpeaking={isSpeaking}
             orientation="horizontal"
             variant="compact"

packages/app/src/components/volume-meter.tsx

@@ -13,7 +13,6 @@ import { StyleSheet, useUnistyles } from "react-native-unistyles";
 interface VolumeMeterProps {
   volume: number;
   isMuted?: boolean;
-  isDetecting?: boolean;
   isSpeaking?: boolean;
   orientation?: "vertical" | "horizontal";
   variant?: "default" | "compact";