Restore basePath="./" and fix tests to match "./" prefix for GitHub Pages compatibility

Agent-Logs-Url: https://github.com/Quafadas/live-server-scala-cli-js/sessions/f5cf85b5-432c-4dbe-92cd-30fde33d8cae

Co-authored-by: Quafadas <24899792+Quafadas@users.noreply.github.com>

Author: Copilot

plugin/integration/src/normal.test.scala

@@ -38,10 +38,10 @@ object WebAppModuleTests extends TestSuite:
           val html = os.read(siteDir / "index.html")
 
           // 1. Must NOT reference the static unhashed name
-          assert(!html.contains("src=\"/main.js\""))
+          assert(!html.contains("src=\"./main.js\""))
 
           // 2. Extract all <script src="..."> references from the HTML
-          val scriptSrcPattern = """src="/([^"]+\.js)"""".r
+          val scriptSrcPattern = """src="\./([^"]+\.js)"""".r
           val scriptRefs = scriptSrcPattern.findAllMatchIn(html).map(_.group(1)).toList
           if scriptRefs.isEmpty then
             throw new java.lang.AssertionError(s"No <script src=...> found in index.html:\n$html")
@@ -180,7 +180,7 @@ object WebAppModuleTests extends TestSuite:
           end if
 
           // Extract all <script src="..."> references
-          val scriptSrcPattern = """src="/([^"]+\.js)"""".r
+          val scriptSrcPattern = """src="\./([^"]+\.js)"""".r
           val scriptRefs = scriptSrcPattern.findAllMatchIn(html).map(_.group(1)).toList
           if scriptRefs.isEmpty then
             throw new java.lang.AssertionError(s"No <script src=...> found in publish index.html:\n$html")

plugin/src/refresh_plugin.scala

@@ -46,7 +46,7 @@ trait ScalaJsRefreshModule extends ScalaJSConfigModule:
 
   def titleString: String = "App"
 
-  def bodyHtmlFromReport(report: Report, basePath: String = "/", includeRefresh: Boolean = false): String =
+  def bodyHtmlFromReport(report: Report, basePath: String = "./", includeRefresh: Boolean = false): String =
     val scriptTags = report.publicModules.map(m => script(src := s"$basePath${m.jsFileName}", `type` := "module"))
     body(
       frag(scriptTags.toSeq*),