Switch snapshot ci to new app and rework notification design

.github/workflows/scripts/build_module.sh

@@ -2,15 +2,15 @@
 
 MODULE_NAME=$1
 COMMAND=$2
+CURRENT_OS=$3
+CURRENT_PYTHON=$4
 
 echo "Building $MODULE_NAME..."
 $COMMAND
 BUILD_EXIT=$?
-
 if [ $BUILD_EXIT -ne 0 ]; then
-    echo "❌ $MODULE_NAME build FAILED" >> $BUILD_STATUS
+    printf 'BUILD_RESULT=%s;%s;%s;failure\n' "$CURRENT_OS" "$CURRENT_PYTHON" "$MODULE_NAME" >> "$GITHUB_OUTPUT"
 else
-    echo "✅ $MODULE_NAME build SUCCESS" >> $BUILD_STATUS
+    printf 'BUILD_RESULT=%s;%s;%s;success\n' "$CURRENT_OS" "$CURRENT_PYTHON" "$MODULE_NAME" >> "$GITHUB_OUTPUT"
 fi
-
 exit $BUILD_EXIT

.github/workflows/scripts/check_snapshot_branch.sh

@@ -3,13 +3,15 @@
 repo=$1
 core_version=$2
 
-SNAPSHOT_BRANCH=$(git ls-remote --heads "$repo" | grep -E "refs/heads/$(echo $core_version | grep -q SNAPSHOT && echo "$core_version" || echo "$core_version-SNAPSHOT")" | sed 's/.*refs\/heads\///')
+# Add "-SNAPSHOT" to powsybl-core version if not already there
+core_snapshot_version=$(echo "$core_version" | grep -q SNAPSHOT && echo "$core_version" || echo "$core_version-SNAPSHOT")
+
+# Find if an CI snapshot branch exists
+SNAPSHOT_BRANCH=$(git ls-remote --heads "$repo" | grep -E "refs/heads/ci/core-$core_snapshot_version" | sed 's/.*refs\/heads\///')
 if [ -n "$SNAPSHOT_BRANCH" ]; then
     echo "SNAPSHOT VERSION EXIST: $SNAPSHOT_BRANCH"
-    echo "SNAPSHOT_BRANCH=$SNAPSHOT_BRANCH" >> $GITHUB_ENV
+    echo "SNAPSHOT_BRANCH=$SNAPSHOT_BRANCH" >> "$GITHUB_ENV"
 else
     echo "No SNAPSHOT branch found"
-    echo "SNAPSHOT_BRANCH=main" >> $GITHUB_ENV
-fi
-
-
+    echo "SNAPSHOT_BRANCH=main" >> "$GITHUB_ENV"
+fi