desktop 다운로드 수정

scripts/prepare-tauri-build.sh

@@ -41,3 +41,15 @@ else
   unset TAURI_SIGNING_PRIVATE_KEY 2>/dev/null || true
   echo "[prepare-tauri-build] updater signing skipped (no key)"
 fi
+
+# macOS: ad-hoc codesign by default (Apple Silicon requires signing).
+# Override with Developer ID for production: export APPLE_SIGNING_IDENTITY="Developer ID Application: ..."
+# Notarization (optional): APPLE_ID, APPLE_PASSWORD, APPLE_TEAM_ID or APPLE_API_KEY*
+if [[ "$(uname -s)" == "Darwin" ]]; then
+  : "${APPLE_SIGNING_IDENTITY:=-}"
+  export APPLE_SIGNING_IDENTITY
+  echo "[prepare-tauri-build] APPLE_SIGNING_IDENTITY=${APPLE_SIGNING_IDENTITY}"
+  if [[ -n "${APPLE_ID:-}" && -n "${APPLE_TEAM_ID:-}" ]]; then
+    echo "[prepare-tauri-build] Apple notarization env detected — tauri will notarize if credentials are valid"
+  fi
+fi