Gospel page audio: choose-your-path narration (case, then Guilty or Not guilty tracks), branching player, three admin audio fields, generator --sample/--only; v2.41.0

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/content.ts

@@ -287,6 +287,8 @@ export interface SiteContent {
   prismVideoUrl: string
   // Audio narration of the /salvation page (served to the static page via /api/salvation-audio)
   salvationAudioUrl: string
+  salvationAudioGuiltyUrl: string
+  salvationAudioNotGuiltyUrl: string
   prismEyebrow: string
   prismHeading: string
   prismIntro: string
@@ -531,6 +533,8 @@ export const DEFAULTS: SiteContent = {
   shareQrImageUrl: '/images/qr-code.jpg',
   prismVideoUrl: 'https://files.versebyversewithnate.us/images/PRISM.mp4',
   salvationAudioUrl: '',
+  salvationAudioGuiltyUrl: '',
+  salvationAudioNotGuiltyUrl: '',
   prismEyebrow: 'Featured Video',
   prismHeading: 'PRISM',
   prismIntro: