fix: normalize reproducible Planegcs artifacts

config/planegcs-wasm-artifact.json

@@ -7,7 +7,7 @@
   "javascript": {
     "path": "native/planegcs/dist/freecad-planegcs.js",
     "publicPath": "public/native/planegcs/freecad-planegcs.js",
-    "sha256": "702d267b856b8a1c9d1a031fbbd9780419c3e359a99d7d6922b5df668ed79d2e"
+    "sha256": "442eaafe2488baa10a3b5006d26264a2bc7c04c60a4b1261be37482ea28db0a1"
   },
   "wasm": {
     "path": "native/planegcs/dist/freecad-planegcs.wasm",

native/planegcs/build.sh

@@ -44,6 +44,11 @@ em++ \
   -sNO_EXIT_RUNTIME=1 \
   -o "${DIST_DIR}/freecad-planegcs.js"
 
+# Emscripten output contains a version-sensitive trailing-space-only line.
+# Normalize it before copying and hashing so native and public artifacts stay
+# byte-identical across a clean rebuild.
+perl -pi -e 's/[ \t]+$//' "${DIST_DIR}/freecad-planegcs.js"
+
 cp "${ROOT_DIR}/native/planegcs/package.json" "${DIST_DIR}/package.json"
 cp "${DIST_DIR}/freecad-planegcs.js" "${PUBLIC_DIR}/freecad-planegcs.js"
 cp "${DIST_DIR}/freecad-planegcs.wasm" "${PUBLIC_DIR}/freecad-planegcs.wasm"