fix: disable TTS cache + adjust BreakPilot pronunciation

pitch-deck/app/api/presenter/tts/route.ts

@@ -33,8 +33,8 @@ export async function POST(request: NextRequest) {
     let ttsText = text
     if (language === 'de') {
       ttsText = ttsText
-        .replace(/BreakPilot/g, 'Brejk-Peilot')
-        .replace(/Breakpilot/g, 'Brejk-Peilot')
+        .replace(/BreakPilot/g, 'Brejk Peilott')
+        .replace(/Breakpilot/g, 'Brejk Peilott')
         .replace(/COMPLAI/g, 'Complei')
         .replace(/Executive Summary/g, 'Exekjutiv Sammäri')
         .replace(/Onepager/g, 'Wann-Päidscher')
@@ -100,7 +100,7 @@ async function synthesizeViaOvh(
   return new NextResponse(new Uint8Array(wav), {
     headers: {
       'Content-Type': 'audio/wav',
-      'Cache-Control': 'public, max-age=86400',
+      'Cache-Control': 'no-cache',
       'X-TTS-Source': 'ovh',
     },
   })
@@ -124,7 +124,7 @@ async function synthesizeViaComplianceService(text: string, language: string): P
   return new NextResponse(audioBuffer, {
     headers: {
       'Content-Type': 'audio/mpeg',
-      'Cache-Control': 'public, max-age=86400',
+      'Cache-Control': 'no-cache',
       'X-TTS-Cache': res.headers.get('X-TTS-Cache') || 'unknown',
       'X-TTS-Source': 'compliance',
     },