CI: try to fix 404 error on downlad page

.github/workflows/windows-msi.yml

@@ -381,7 +381,20 @@ jobs:
   deploy-pages:
     needs: build-msi
     runs-on: ubuntu-latest
-    if: always() && needs.build-msi.result == 'success'
+    # Regenerate the page whenever the MSI job actually ran (success OR
+    # packaging/signing failure) — not only on full success.
+    # generate-page.py queries the published assets on the "nightly"
+    # release itself (line 407: `gh release view nightly --json assets`),
+    # so it already handles a missing MSI natively (empty MSI_NAME -> no
+    # MSI button on the page). The page only needs the exe/zip already
+    # published by windows-build.yml, independent of the MSI's fate.
+    # Only "skipped"/"cancelled" are excluded: if build-msi never ran at
+    # all (e.g. Windows Build itself failed), there is nothing new to
+    # publish and regenerating the page would be pointless.
+    if: >
+      always() &&
+      needs.build-msi.result != 'skipped' &&
+      needs.build-msi.result != 'cancelled'
     permissions:
       contents: write
       pages: write