diff --git a/.gitea/workflows/actions/discover-skins/action.yml b/.gitea/workflows/actions/discover-skins/action.yml
index f4c0a87..dec5514 100644
--- a/.gitea/workflows/actions/discover-skins/action.yml
+++ b/.gitea/workflows/actions/discover-skins/action.yml
@@ -31,8 +31,15 @@ runs:
           find "$SKINS_DIR" -mindepth 1 -maxdepth 1 -type d \
             | sed 's|'"$SKINS_DIR"'/||'
         )
-        json=$(printf '%s\n' "${skins[@]}" | jq -R . | jq -s .)
-        echo "all_skins=$json" >> "$GITHUB_OUTPUT"
+
+        # Convert to compact JSON
+        json=$(printf '%s\n' "${skins[@]}" | jq -R . | jq -cs .)
+
+        {
+          echo "all_skins<<EOF"
+          echo "$json"
+          echo "EOF"
+        } >> "$GITHUB_OUTPUT"
 
     - name: Detect Changed Skin Directories
       id: detect
@@ -40,6 +47,7 @@ runs:
       run: |
         echo "[Detect Changed Skin Directories Started]"
 
+        # Parse JSON back into Bash array
         readarray -t all_skins < <(echo '${{ steps.discover_all.outputs.all_skins }}' | jq -r '.[]')
 
         force_rebuild="${{ inputs.force_rebuild }}"
@@ -115,13 +123,22 @@ runs:
         echo ""
         if [ "${#uniq_skins[@]}" -eq 0 ]; then
           echo "→ No added/modified skins detected."
-          echo "changed_skins_file=" >> "$GITHUB_OUTPUT"
+          {
+            echo "changed_skins_file<<EOF"
+            echo ""
+            echo "EOF"
+          } >> "$GITHUB_OUTPUT"
         else
           echo "[Writing Changed Skins to File]"
           changed_skins_file=$(mktemp)
           printf "%s\n" "${uniq_skins[@]}" > "$changed_skins_file"
           echo "    ✓ Skins written to $changed_skins_file"
-          echo "changed_skins_file=$changed_skins_file" >> "$GITHUB_OUTPUT"
+
+          {
+            echo "changed_skins_file<<EOF"
+            echo "$changed_skins_file"
+            echo "EOF"
+          } >> "$GITHUB_OUTPUT"
         fi
 
         echo ""