ci(publish): align zig asset naming + verify asset exists not tag

Author: Goldziher

.github/workflows/publish.yaml

@@ -448,12 +448,18 @@ jobs:
       exists: ${{ steps.check.outputs.exists }}
     steps:
       - id: check
+        # `registry: github-release` (not `registry: zig`) — alef check-registry's
+        # zig path only verifies the release tag exists. On a real release that's
+        # always true, so it short-circuits `publish-zig` to skipped (regression:
+        # v3.5.1 shipped without the zig tarball asset because of this). Verify
+        # the actual asset is present instead.
         uses: kreuzberg-dev/actions/check-registry@v1
         with:
-          registry: zig
-          package: html-to-markdown
+          registry: github-release
+          package: html-to-markdown-rs-zig-v${{ needs.prepare.outputs.version }}.tar.gz
           version: ${{ needs.prepare.outputs.version }}
           repo: ${{ github.repository }}
+          assets: html-to-markdown-rs-zig-v${{ needs.prepare.outputs.version }}.tar.gz
 
   # ─── Build matrix jobs ────────────────────────────────────────────────
 
@@ -2096,6 +2102,13 @@ jobs:
         with:
           working-directory: packages/zig
           tag: ${{ needs.prepare.outputs.tag }}
+          # Override the auto-detected package-name (`html_to_markdown_rs` from
+          # build.zig.zon) to match the alef-emitted test_app URL pattern
+          # `{crate-name}-zig-v{version}.tar.gz`. Without this, the asset
+          # uploads as `html_to_markdown_rs-v{version}.tar.gz` while
+          # test_apps/zig fetches `html-to-markdown-rs-zig-v{version}.tar.gz`
+          # → 404 + consumer build.zig.zon TODO hash.
+          package-name: html-to-markdown-rs-zig
           update-release-notes: "true"
           dry-run: ${{ needs.prepare.outputs.dry_run }}
         env: