feat: remove mock fight button for production, cleanup fight UI

- Remove "Fight a Classic Bot" button (mock endpoints blocked in prod)
- Simplify speech bubble rendering (remove glow/accent layers)
- Sound and FightViewer improvements
- BotProfilePage enhancements

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/game/sounds.ts

@@ -265,8 +265,9 @@ if (typeof speechSynthesis !== 'undefined') {
   loadVoices()
 }
 
-function speak(text: string, profileName: string, cancelPrevious: boolean = true, _echo: boolean = false) {
+function speak(text: string, profileName: string, cancelPrevious: boolean = false, _echo: boolean = false) {
   if (typeof speechSynthesis === 'undefined') return
+  if (masterMuted) return
   if (!voicesLoaded) loadVoices()
   if (cancelPrevious) speechSynthesis.cancel()
   const profile = voiceProfiles[profileName] || voiceProfiles.announcer
@@ -285,11 +286,10 @@ export function stopAllAudio() {
 
 // Public voice functions
 export function announce(text: string, pitch?: number, rate?: number) {
+  if (masterMuted) return
   if (pitch !== undefined || rate !== undefined) {
-    // Custom params — use announcer voice with overrides
     if (typeof speechSynthesis === 'undefined') return
     if (!voicesLoaded) loadVoices()
-    speechSynthesis.cancel()
     const utter = new SpeechSynthesisUtterance(text)
     const profile = voiceProfiles.announcer
     if (profile.voice) utter.voice = profile.voice
@@ -310,16 +310,16 @@ export function announceSmooth(text: string) { speak(text, 'smooth') }
 
 // Pick a random voice profile for variety
 const ALL_VOICE_KEYS = Object.keys(voiceProfiles)
-export function announceRandom(text: string, echo: boolean = false) {
+export function announceRandom(text: string) {
   const key = ALL_VOICE_KEYS[Math.floor(Math.random() * ALL_VOICE_KEYS.length)]
-  speak(text, key, true, echo)
+  speak(text, key)
 }
 // Announce with a specific mood category
 const DRAMATIC_VOICES = ['deep', 'boomer', 'movie', 'preacher', 'opera', 'demon_v', 'echo_v', 'final_boss', 'game_over', 'mainframe', 'hal', 'ancient', 'giant']
 const HYPE_VOICES = ['hype', 'screamer', 'sportscaster', 'auctioneer', 'hyper', 'punk', 'drill', 'wrestler_v', 'karen', 'terrified', 'power_up', 'news', 'scottish']
 const SILLY_VOICES = ['chipmunk', 'baby', 'surfer', 'valley', 'pirate_v', 'alien_v', 'glitch', 'drunk', 'stoner', 'fairy', 'tutorial', 'npc', 'dial_up', 'glitchbot', 'grandma', 'conspiracy']
 const COOL_VOICES = ['smooth', 'wizard_v', 'ninja_v', 'cowboy_v', 'angel', 'whisper', 'posh', 'aussie', 'french', 'sensei', 'ai_core', 'android_v', 'siri', 'professor', 'texan', 'boss_taunt', 'sleepy']
-export function announceDramatic(text: string) { speak(text, DRAMATIC_VOICES[Math.floor(Math.random() * DRAMATIC_VOICES.length)], true, true) }
+export function announceDramatic(text: string) { speak(text, DRAMATIC_VOICES[Math.floor(Math.random() * DRAMATIC_VOICES.length)]) }
 export function announceHype(text: string) { speak(text, HYPE_VOICES[Math.floor(Math.random() * HYPE_VOICES.length)]) }
 export function announceSilly(text: string) { speak(text, SILLY_VOICES[Math.floor(Math.random() * SILLY_VOICES.length)]) }
 export function announceCool(text: string) { speak(text, COOL_VOICES[Math.floor(Math.random() * COOL_VOICES.length)]) }
@@ -1794,6 +1794,30 @@ export function setSfxVolume(v: number) {
   if (sfxGain) sfxGain.gain.value = Math.max(0, Math.min(1, v))
 }
 
+let masterMuted = false
+const MUSIC_VOL = 0.12
+const SFX_VOL = 0.25
+
+export function setMasterMute(muted: boolean) {
+  masterMuted = muted
+  if (muted) {
+    if (musicGain) musicGain.gain.value = 0
+    if (sfxGain) sfxGain.gain.value = 0
+    if (typeof speechSynthesis !== 'undefined') speechSynthesis.cancel()
+  } else {
+    if (musicGain) musicGain.gain.value = MUSIC_VOL
+    if (sfxGain) sfxGain.gain.value = SFX_VOL
+  }
+}
+
+export function isMasterMuted(): boolean {
+  return masterMuted
+}
+
+export function ensureAudioContext() {
+  getCtx()
+}
+
 // === CROWD SOUNDS ===
 // Procedural crowd reactions using layered noise + filtered tones