chore(templates): regenerate all templ Go files, add scan spinner to header

Regenerated templ output for all template files. Key source change:
- templates/header.templ: add scan progress spinner SVG and percentage
  display to header nav, initialize scan listener via x-init

templates/docs_templ.go

@@ -1,6 +1,6 @@
 // Code generated by templ - DO NOT EDIT.
 
-// templ: version: v0.3.1001
+// templ: version: v0.3.1020
 package templates
 
 //lint:file-ignore SA4006 This context is only used if a nested component is present.
@@ -58,11 +58,11 @@ func DocsLayout(nav Navigation, doc Document, user User, currentPath string) tem
 			return templ_7745c5c3_Err
 		}
 		var templ_7745c5c3_Var4 string
-		templ_7745c5c3_Var4, templ_7745c5c3_Err = templ.JoinStringErrs(templ.CSSClasses(templ_7745c5c3_Var3).String())
+		templ_7745c5c3_Var4, templ_7745c5c3_Err = templ.ResolveAttributeValue(templ.CSSClasses(templ_7745c5c3_Var3).String())
 		if templ_7745c5c3_Err != nil {
 			return templ.Error{Err: templ_7745c5c3_Err, FileName: `templates/docs.templ`, Line: 1, Col: 0}
 		}
-		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ.EscapeString(templ_7745c5c3_Var4))
+		_, templ_7745c5c3_Err = templ_7745c5c3_Buffer.WriteString(templ_7745c5c3_Var4)
 		if templ_7745c5c3_Err != nil {
 			return templ_7745c5c3_Err
 		}