Harden cross-build packaging and compiler setup

.gitea/workflows/build.yml

@@ -108,7 +108,22 @@ jobs:
           ARCHIVE="/tmp/peya-${REF_NAME}-${{ matrix.toolchain.host }}.zip"
 
           cd "build/${{ matrix.toolchain.host }}/release/bin"
-          zip -ur "${ARCHIVE}" peyad* peya-wallet-cli* peya-wallet-rpc* peya-gen-multisig*
+          FILES=()
+
+          for pattern in peyad* peya-wallet-cli* peya-wallet-rpc* peya-gen-multisig*; do
+            for file in $pattern; do
+              if [ -e "$file" ]; then
+                FILES+=("$file")
+              fi
+            done
+          done
+
+          if [ "${#FILES[@]}" -eq 0 ]; then
+            echo "No release binaries found in $(pwd)"
+            exit 1
+          fi
+
+          zip -ur "${ARCHIVE}" "${FILES[@]}"
           ls -lh "${ARCHIVE}"
 
       - name: Upload build artifact