fix(desktop-build): strip layout.tsx force-dynamic on CRLF checkouts too

build-frontend-export.cjs stages a desktop-only frontend export tree and
strips the ``force-dynamic`` + ``revalidate`` directives from
``frontend/src/app/layout.tsx`` so Next's ``output: "export"`` can
prerender every route.

The strip regexes only matched LF (``\n``). Any Windows checkout without
``core.autocrlf=input`` has CRLF line endings, the strip silently
no-op'd, and the desktop build failed at the static-export step:

    Error: Page with `dynamic = "force-dynamic"` couldn't be exported.
    `output: "export"` requires all pages be renderable statically
    because there is no runtime server to dynamically render routes
    in this output format.
    Export encountered an error on /_not-found/page: /_not-found

Reaches every Windows contributor who hasn't normalized line endings
locally. Replacing each ``\n`` in the strip regexes with ``\r?\n``
makes the strip CRLF-tolerant; LF behavior is unchanged.

Verified by running both regexes against the actual layout.tsx (302
bytes removed, force-dynamic + revalidate both gone) and against a
synthetic LF input (296 bytes removed, same outcome).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

desktop-shell/tauri-skeleton/scripts/build-frontend-export.cjs

@@ -46,12 +46,18 @@ function prepareBuildTree() {
   const stagedLayoutPath = path.join(buildFrontendDir, 'src', 'app', 'layout.tsx');
   if (fs.existsSync(stagedLayoutPath)) {
     const layoutSource = fs.readFileSync(stagedLayoutPath, 'utf8');
+    // CRLF compatibility: on Windows checkouts without ``core.autocrlf=input``
+    // (the default) layout.tsx has CRLF line endings, but the original regexes
+    // only matched LF. The strip silently no-op'd, ``force-dynamic`` stayed,
+    // and Next's static-export refused to render ``/_not-found`` ("Page with
+    // `dynamic = \"force-dynamic\"` couldn't be exported"). Use ``\r?\n`` so
+    // the strip works regardless of line-ending normalization.
     fs.writeFileSync(
       stagedLayoutPath,
       layoutSource
-        .replace(/\n\/\/ The dashboard is a live local runtime[\s\S]*?client polling ever hydrates\.\n/g, '\n')
-        .replace(/\nexport const dynamic = ['"]force-dynamic['"];\n/g, '\n')
-        .replace(/\nexport const revalidate = 0;\n/g, '\n'),
+        .replace(/\r?\n\/\/ The dashboard is a live local runtime[\s\S]*?client polling ever hydrates\.\r?\n/g, '\n')
+        .replace(/\r?\nexport const dynamic = ['"]force-dynamic['"];\r?\n/g, '\n')
+        .replace(/\r?\nexport const revalidate = 0;\r?\n/g, '\n'),
     );
   }