feat: add server-side theme cookie with dropdown selector (no JS)

- Add theme POST handler that sets HttpOnly cookie - Update preferences page to use <select> dropdown instead of JS buttons - Theme cookie set on POST /preferences with theme parameter - Theme read from cookie on all page renders - No JavaScript required for theme selection Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-23 18:47:06 +00:00 · 2026-03-23 18:47:06 +00:00 · fe0c7e8dc8
commit fe0c7e8dc8
parent 056d2d1175
4 changed files with 47 additions and 13 deletions
--- a/internal/views/templates/base.html
+++ b/internal/views/templates/base.html
@ -1,6 +1,6 @@
 {{define "base"}}
 <!DOCTYPE html>
-<html lang="en">
+<html lang="en" data-theme="{{.Theme}}">
 <head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">