try incremental build

Author: timothypratley

.github/workflows/render-and-publish.yml

@@ -92,7 +92,7 @@ jobs:
             exit 0
           fi
           echo "Comparing against previous artifact commit: $latest_commit"
-          changed=""
+          changed=$(git diff --name-only --diff-filter=ACMR "$latest_commit" HEAD -- 'src/**/*.clj' | tr '\n' ' ')
           if [ -z "$changed" ]; then
             echo "No changed Clojure sources detected."
             exit 0

src/data_visualization/aog/column_combinations.clj

@@ -3,7 +3,7 @@
          :quarto {:type :post
                   :author [:timothypratley]
                   :draft true
-                  :date "2026-01-011"
+                  :date "2026-01-13"
                   :description "Can we plot interesting charts for all columns of a dataset?"
                   :category :data-visualization
                   :tags [:datavis :clay]