Document Content-Security-Policy directives for the widget - #2
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Adds a Content Security Policy section covering the production and staging origins the customer page must allow (script-src, connect-src, style-src, img-src, frame-src), spells out that neither script-src nor style-src needs 'unsafe-inline', and clarifies that avatars, attachments, fonts and media load inside the iframe and are covered by the app-domain policy. Includes a copy-paste next.config.js headers() block and a troubleshooting entry for CSP violations. Refs stromcom/www.stromcom.cz#10
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Řeší část stromcom/www.stromcom.cz#10 týkající se React balíčku. Jen dokumentace, žádná změna kódu.
Co přibylo do README
'unsafe-inline'proscript-srcpotřeba není — provider vkládá loader přescreateElement('script')vuseEffect, na rozdíl odstromcom/php-snippet, který generuje inline<script>next.config.jsheaders();'unsafe-inline'v něm jsou vlastní požadavky Next.js, ne naše, a je to v komentáři označenéOvěřeno
Seznam direktiv je ověřený Playwright testem proti stránce s reálně vynucenou striktní CSP (
default-src 'none'), ne odvozený od stolu. Lokálně prošly všechny kroky CI:lint,format:check,test(26 testů),build.