Introduces textNode that renders through go-i18n's T() function with
automatic HTML escaping for safe-by-default output. Adds escapeHTML
utility, NewContextWithService for explicit service binding, and
Entitlements field on Context for upcoming conditional rendering.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Introduces the go-html module with a Node rendering interface, Raw and El
constructors, void element handling, and attribute escaping. Includes a
minimal Context stub and tests for all node types.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
