Add browser-local Piper WebAssembly speech

scripts/check-frontend.sh

@@ -5,7 +5,9 @@ test -s index.html
 grep -q '<html lang="sv">' index.html
 grep -q 'id="frontend-version">__FRONTEND_VERSION__' index.html
 grep -q '<script src="/voice.js?v=__FRONTEND_VERSION__"></script>' index.html
+grep -q '<script src="/piper-runtime.js?v=__FRONTEND_VERSION__"></script>' index.html
 grep -q 'no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0' nginx/default.conf
+grep -q 'Cross-Origin-Embedder-Policy "require-corp"' nginx/default.conf
 grep -q "request('/version')" index.html
 grep -Fq "credentials: 'same-origin'" index.html
 grep -q 'id="dialogue" aria-label="Dialoghistorik" role="log" aria-live="polite"' index.html
@@ -33,6 +35,13 @@ grep -q 'WebKit versions before Safari 27' voice.js
 grep -q "voiceIdentity: speakingNpc.voice_identity" index.html
 grep -q "role: 'narrator', voiceIdentity: 'neutral'" index.html
 grep -q 'COPY voice.js /usr/share/nginx/html/voice.js' Dockerfile
+grep -q 'COPY public/piper-runtime.js /usr/share/nginx/html/piper-runtime.js' Dockerfile
+grep -q 'COPY public/tts/piper-wasm-v1/' Dockerfile
+grep -q 'build:piper' .gitea/workflows/publish.yaml
+grep -q 'Piper' piper-runtime.js
+grep -q 'sv_SE-nst-medium' piper-worker.js
+grep -q 'new Worker(workerUrl)' piper-runtime.js
+grep -q 'worker.js?v=' piper-runtime.js
 grep -q "SpeechRecognition || win.webkitSpeechRecognition" voice.js
 grep -q "submitMessage(text, 'voice')" index.html
 grep -q 'Spelets repliker läses alltid upp' index.html