Fix cross-platform duplicate .well-known path handling

Author: Piyush-t24

.github/workflows/ci.yml

@@ -9,7 +9,10 @@ on:
 jobs:
   build:
     name: Build and Test
-    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v6
       - uses: actions/setup-java@v5
@@ -22,7 +25,7 @@ jobs:
           scala-cli-version: 1.12.2
       - run: scala-cli fmt --check .
       - run: scala-cli --server=false build.scala
-      - if: github.event_name != 'pull_request'
+      - if: matrix.os == 'ubuntu-latest' && github.event_name != 'pull_request'
         uses: peaceiris/actions-gh-pages@v4.0.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}

build.scala

@@ -86,8 +86,9 @@ object LaikaBuild {
     ).toURL()
 
     InputTree[IO]
+      // Exclude `.well-known` from the main `src` scan to avoid duplicates; it is added explicitly below for consistent cross-platform behavior.
+      .withFileFilter(FileFilter.lift(_.name == ".well-known"))
       .addDirectory("src")
-      // Laika skips .dotfiles by default
       .addDirectory("src/.well-known", Path.Root / ".well-known")
       .addInputStream(
         IO.blocking(securityPolicy.openStream()),