diff --git a/.github/workflows/serve-ximera-split.yml b/.github/workflows/serve-ximera-split.yml
index d7059ab..05c0925 100644
--- a/.github/workflows/serve-ximera-split.yml
+++ b/.github/workflows/serve-ximera-split.yml
@@ -1,17 +1,18 @@
-name: Ximera Workflow
+name: "Ximera Workflow (split pdf/html)"
 
 on:
   push:
-    branches:
-      - 'main'
+    # branches:
+    #   - 'main'
 
 env:
+  TEXMFHOME: /root/texmf     # Should be set in xmlatex !  
   GPG_KEY: ${{ secrets.GPG_KEY }}
   GPG_KEY_ID: ${{ secrets.GPG_KEY_ID }}
   XIMERA_NAME: wimcalc20250904
   XIMERA_URL: "https://ximera.osu.edu/"
   # XIMERA_URL: "https://xerxes.ximera.org/"
-  XM_TO_PROCESS: "testxourse.tex calculus1.tex"
+  XM_TO_PROCESS: "testxourse.tex calculus*.tex"
 
 jobs:
 
@@ -20,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: true
     container: &x-container
-      image: ghcr.io/ximeraproject/ximeralatex:v2.7.5fix2
+      image: ghcr.io/ximeraproject/ximeralatex:v2.7.5fix2-full
       options: >-
         --workdir /code
     permissions:
@@ -29,12 +30,14 @@ jobs:
       packages: write
 
     steps:
-      - uses: actions/checkout@v4
+      - name: "Prepare: Checkout code"
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       # Restore cache for cross-run speedup
-      - uses: actions/cache/restore@v4
+      - name: "Prepare: Restore cache"
+        uses: actions/cache/restore@v4
         with:
           path: |
             **/*.pdf
@@ -54,31 +57,14 @@ jobs:
             ximeraPDFexport-
             ximeraHTMLexport-
 
-      - run: |
-          # git config --global --add safe.directory /code
-          git config --global --add safe.directory /__w/calculus/calculus
-          export TEXMFHOME=/root/texmf
-          export LUA_PATH="/root/texmf/tex/latex/ximeraLatex/luaxake/?.lua;;"
+      - name: "XIMERA: pdfexport (prepare for tikzpictures)"
+        run: |
+          git config --global --add safe.directory "$GITHUB_WORKSPACE"
           xmlatex bake --compile pdfexport -j 5 $XM_TO_PROCESS
 
-      # # Save cache for future runs
-      # - uses: actions/cache/save@v4
-      #   with:
-      #     path: |
-      #       **/*.pdf
-      #       **/*.html
-      #       **/*.aux
-      #       **/*.log
-      #       **/*.toc
-      #       **/*.xref
-      #       **/*.svg
-      #       **/*.png
-      #       !.git/**
-      #       !.github/**
-      #     key: ximeraPDFexport-${{ github.ref_name }}-latest
-
       # Upload artifact for next job
-      - uses: actions/upload-artifact@v4
+      - name: "Postprocess: Save artifacts"
+        uses: actions/upload-artifact@v4
         with:
           name: pdfexport
           path: .
@@ -95,24 +81,26 @@ jobs:
       packages: write
 
     steps:
-      - uses: actions/checkout@v4
+      - name: "Prepare: Checkout code"
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       # Download artifact from previous job
-      - uses: actions/download-artifact@v4
+      - name: "Prepare: Checkout artifacts from previous step"
+        uses: actions/download-artifact@v4
         with:
           name: pdfexport
           path: .
 
-      - run: |
-          git config --global --add safe.directory /code
-          git config --global --add safe.directory /__w/calculus/calculus
-          export TEXMFHOME=/root/texmf
+      - name: "XIMERA: htmlexport (generate html)"
+        run: |
+          git config --global --add safe.directory "$GITHUB_WORKSPACE"
           xmlatex bake --compile htmlexport -j 5 $XM_TO_PROCESS
 
       # Save cache
-      - uses: actions/cache/save@v4
+      - name: "Postprocess: Save cache"
+        uses: actions/cache/save@v4
         with:
           path: |
             **/*.pdf
@@ -128,13 +116,14 @@ jobs:
           key: ximeraHTMLexport-${{ github.ref_name }}-${{ github.run_id }}
 
       # Upload artifact
-      - uses: actions/upload-artifact@v4
+      - name: "Postprocess: Save artifacts"
+        uses: actions/upload-artifact@v4
         with:
           name: htmlexport
           path: .
 
-  build-ximera-serve:
-    name: Run frost/serve preview
+  serve-ximera-preview:
+    name: "Run serve for (automatic) preview version"
     needs: build-ximera-htmlexport
     # continue-on-error: true
     runs-on: ubuntu-latest
@@ -145,26 +134,26 @@ jobs:
       packages: write
 
     steps:
-      - name: Checkout code
+      - name: "Prepare: Checkout code"
         uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
       # Download artifact from previous job
-      - name: Restore artifacts from previous job
+      - name: "Prepare: Checkout artifacts (from previous step)"
         uses: actions/download-artifact@v4
         with:
           name: htmlexport
           path: .
 
-      - name: "Serve to ${{env.XIMERA_NAME}} on ${{env.XIMERA_URL}}"
+      - name: "XIMERA: Serve PREVIEW version to ximeraserver"
         run: |
-          git config --global --add safe.directory /code
-          git config --global --add safe.directory /__w/calculus/calculus
-          export TEXMFHOME=/root/texmf
+          echo "Serving to $XIMERA_URL$XIMERA_NAME"
+          git config --global --add safe.directory "$GITHUB_WORKSPACE"
           xmlatex name
           xmlatex frost $XM_TO_PROCESS
           xmlatex serve $XM_TO_PROCESS
+          echo "✅ Published to $XIMERA_URL$XIMERA_NAME "
           echo "✅ Published to $XIMERA_URL$XIMERA_NAME " >> $GITHUB_STEP_SUMMARY
 
       # - name: "Store artifacts"
@@ -174,31 +163,40 @@ jobs:
       #     path: .
 
   publish-ximera:
-    name: Run serve to mooculus
-    needs: build-ximera-serve
+    name: Run serve for public version
+    needs: serve-ximera-preview
     runs-on: ubuntu-latest
     continue-on-error: true
     container: *x-container
     environment: production
 
     steps:
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
       # Download final artifact
-      - uses: actions/download-artifact@v4
+      - name: Restore artifacts from previous job
+        uses: actions/download-artifact@v4
         with:
           name: htmlexport
           path: .          
 
-      - run: |
+      - name: "XIMERA BUILD: Serve to ximeraserver (to public URL)"
+        env:
+          XIMERA_URL: "https://xerxes.ximera.org/"
+          # XIMERA_URL: "https://ximera.osu.edu/"
+          XIMERA_NAME: "mooculus"
+        run: |
           echo "Serving to $XIMERA_URL$XIMERA_NAME"
-          git config --global --add safe.directory /code
           git config --global --add safe.directory /__w/calculus/calculus
           export TEXMFHOME=/root/texmf
           xmlatex name
           xmlatex serve -t $XM_TO_PROCESS
-          echo "Recent git log:"
-          git log --oneline --graph --decorate --all -n 10
+          # echo "Recent git log:"
+          # git log --oneline --graph --decorate --all -n 10
+          echo "✅ Published to $XIMERA_URL$XIMERA_NAME "
           echo "✅ Published to $XIMERA_URL$XIMERA_NAME " >> $GITHUB_STEP_SUMMARY
-        env:
-          XIMERA_URL: "https://xerxes.ximera.org/"
-          # XIMERA_URL: "https://ximera.osu.edu/"
-          XIMERA_NAME: "mooculus"
+
diff --git a/testxourse.tex b/testxourse.tex
index 780aa64..923e6ee 100644
--- a/testxourse.tex
+++ b/testxourse.tex
@@ -43,7 +43,7 @@ \part{Functions}
 \activity{reviewOfFamousFunctions/breakGround.tex}
 \activity{reviewOfFamousFunctions/digInPolynomialFunctions.tex}
 \activity{reviewOfFamousFunctions/digInRationalFunctions.tex}
-% \activity{reviewOfFamousFunctions/digInTrigonometricFunctions.tex}
+\activity{reviewOfFamousFunctions/digInTrigonometricFunctions.tex}
 % \activity{reviewOfFamousFunctions/digInExponentialAndLogarithmeticFunctions.tex}