ci(release): ship only tarballs (drop hardcoded platform cleanup)

Consistency with the shared release template: tar each binary and rm it in
the same loop rather than cleaning a hardcoded platform list. No behavior
change for gostations' current 5-platform matrix, but robust if it grows.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

.gitea/workflows/release.yml

@@ -51,10 +51,14 @@ jobs:
         shell: bash
         run: |
           VERSION=${GITHUB_REF#refs/tags/}
+          # Tar each platform binary and remove the raw binary as we go, so we
+          # ship only the .tar.gz files (matrix-agnostic; the glob expands once
+          # at loop start, before any tarballs exist).
           for bin in build/gostations-* ; do
-            if [ ! -f "$bin" ]; then continue; fi
+            [ -f "$bin" ] || continue
             OSARCH=$(basename "$bin" | sed 's/gostations-//' | sed 's/\.exe$//')
             tar czf "build/gostations-${OSARCH}-${VERSION}.tar.gz" -C build "$(basename "$bin")"
+            rm -f "$bin"
           done
           sha256sum build/gostations-*.tar.gz | tee build/checksums.txt
 
@@ -62,15 +66,6 @@ jobs:
           [ -f scripts/gostations-install.sh ] && cp scripts/gostations-install.sh build/
           [ -f scripts/gostations-install.ps1 ] && cp scripts/gostations-install.ps1 build/
 
-          # Clean raw binaries (we ship the tarballs)
-          for plat in 'linux/amd64' 'linux/arm64' 'darwin/amd64' 'darwin/arm64' 'windows/amd64'; do
-            OS=$(echo "$plat" | cut -d/ -f1)
-            ARCH=$(echo "$plat" | cut -d/ -f2)
-            BIN="gostations-${OS}-${ARCH}"
-            if [ "$OS" = "windows" ]; then BIN="${BIN}.exe"; fi
-            rm -f "build/${BIN}"
-          done
-
       - name: Install dependencies
         run: apt update && apt install -y jq