diff --git a/.github/workflows/openscad-render.yml b/.github/workflows/openscad-render.yml
index c3dbefb..a65d982 100644
--- a/.github/workflows/openscad-render.yml
+++ b/.github/workflows/openscad-render.yml
@@ -11,9 +11,9 @@ on:
   workflow_dispatch:
 
 jobs:
-  validate-and-render:
+  render:
     runs-on: ubuntu-latest
-    name: Validate OpenSCAD and Generate Outputs
+    name: Generate Renders and Outputs
     
     steps:
       - name: Checkout repository
@@ -22,35 +22,31 @@ jobs:
       - name: Install OpenSCAD
         run: |
           sudo apt-get update
-          sudo apt-get install -y openscad xvfb
+          sudo apt-get install -y openscad xvfb x11-utils
           openscad --version
       
-      - name: Validate OpenSCAD syntax
+      - name: Start Xvfb
         run: |
-          echo "Validating OpenSCAD files..."
-          cd LifeTrac-v25/mechanical_design
+          Xvfb :99 -screen 0 1024x768x16 &
+          XVFB_PID=$!
+          echo "XVFB_PID=$XVFB_PID" >> $GITHUB_ENV
           
-          # Check main design file
-          xvfb-run openscad -o /dev/null --export-format echo openscad/lifetrac_v25.scad
-          if [ $? -eq 0 ]; then
-            echo "✓ Main design file is valid"
-          else
-            echo "✗ Main design file has errors"
-            exit 1
-          fi
-          
-          # Check module files
-          for module in modules/*.scad; do
-            echo "Checking $module..."
-            xvfb-run openscad -o /dev/null --export-format echo "$module"
-            if [ $? -eq 0 ]; then
-              echo "✓ $module is valid"
-            else
-              echo "✗ $module has errors"
+          # Wait for Xvfb to be ready (max 10 seconds)
+          for i in {1..10}; do
+            if xdpyinfo -display :99 >/dev/null 2>&1; then
+              echo "Xvfb is ready on display :99"
+              break
+            fi
+            if [ $i -eq 10 ]; then
+              echo "Timeout waiting for Xvfb to start"
               exit 1
             fi
+            sleep 1
           done
+          
+          echo "DISPLAY=:99" >> $GITHUB_ENV
       
+
       - name: Create output directories
         run: |
           cd LifeTrac-v25/mechanical_design
@@ -62,7 +58,7 @@ jobs:
           
           # Generate assembly.png (1024x768 matching CEB-Press example)
           echo "Generating assembly.png..."
-          xvfb-run openscad -o assembly.png \
+          openscad -o assembly.png \
             --camera=3000,3000,2000,0,0,500 \
             --imgsize=1024,768 \
             --projection=p \
@@ -71,7 +67,7 @@ jobs:
           
           # Generate cnclayout.svg (2D projection for CNC cutting)
           echo "Generating cnclayout.svg..."
-          xvfb-run openscad -o cnclayout.svg \
+          openscad -o cnclayout.svg \
             --projection=o \
             --viewall \
             cnclayout.scad
@@ -85,7 +81,7 @@ jobs:
           
           # Main assembly view
           echo "Rendering main assembly..."
-          xvfb-run openscad -o output/renders/lifetrac_v25_main.png \
+          openscad -o output/renders/lifetrac_v25_main.png \
             --camera=3000,3000,2000,0,0,500 \
             --imgsize=1920,1080 \
             --projection=p \
@@ -94,7 +90,7 @@ jobs:
           
           # Front view
           echo "Rendering front view..."
-          xvfb-run openscad -o output/renders/lifetrac_v25_front.png \
+          openscad -o output/renders/lifetrac_v25_front.png \
             --camera=0,3000,1000,0,0,500 \
             --imgsize=1920,1080 \
             --projection=p \
@@ -103,7 +99,7 @@ jobs:
           
           # Side view
           echo "Rendering side view..."
-          xvfb-run openscad -o output/renders/lifetrac_v25_side.png \
+          openscad -o output/renders/lifetrac_v25_side.png \
             --camera=3000,0,1000,0,0,500 \
             --imgsize=1920,1080 \
             --projection=p \
@@ -112,7 +108,7 @@ jobs:
           
           # Top view
           echo "Rendering top view..."
-          xvfb-run openscad -o output/renders/lifetrac_v25_top.png \
+          openscad -o output/renders/lifetrac_v25_top.png \
             --camera=0,0,3000,0,0,500 \
             --imgsize=1920,1080 \
             --projection=o \
@@ -129,7 +125,7 @@ jobs:
           for module in modules/*.scad; do
             filename=$(basename "$module" .scad)
             echo "Rendering $filename examples..."
-            xvfb-run openscad -o "output/renders/${filename}_examples.png" \
+            openscad -o "output/renders/${filename}_examples.png" \
               --camera=500,500,500,0,0,0 \
               --imgsize=1600,900 \
               --projection=p \
@@ -148,7 +144,7 @@ jobs:
           for i in {0..35}; do
             t=$(awk "BEGIN {print $i/36}")
             printf "Frame %d (t=%.4f)\n" $i $t
-            xvfb-run openscad -o "output/animations/frames/frame_$(printf %03d $i).png" \
+            openscad -o "output/animations/frames/frame_$(printf %03d $i).png" \
               --camera=3000,3000,2000,0,0,500 \
               --imgsize=1280,720 \
               --projection=p \
@@ -159,19 +155,19 @@ jobs:
           
           echo "Animation frames generated"
       
-      - name: Create animation GIF (if imagemagick available)
-        continue-on-error: true
+      - name: Create animation GIF
         run: |
           sudo apt-get install -y imagemagick
           cd LifeTrac-v25/mechanical_design/output/animations
           
-          if command -v convert &> /dev/null; then
-            echo "Creating animation GIF..."
-            convert -delay 10 -loop 0 frames/frame_*.png lifetrac_v25_animation.gif
-            echo "Animation GIF created"
-          else
-            echo "ImageMagick not available, skipping GIF creation"
-          fi
+          echo "Creating animation GIF of arm movement..."
+          convert -delay 10 -loop 0 frames/frame_*.png lifetrac_v25_animation.gif
+          
+          # Copy to parent directory for easy access
+          cp lifetrac_v25_animation.gif ../../lifetrac_v25_animation.gif
+          
+          echo "✓ Animation GIF created successfully"
+          ls -lh ../../lifetrac_v25_animation.gif
       
       - name: Generate summary report
         run: |
@@ -194,25 +190,21 @@ jobs:
           - Module examples (5 modules)
           
           ### Animations
-          - 36 animation frames
-          - Animation GIF (if ImageMagick available)
+          - 36 animation frames (1280x720 PNG)
+          - Animated GIF showing arm movement (lifetrac_v25_animation.gif)
           
           ### CNC Files
           - assembly.png (3D render of complete assembly)
           - cnclayout.svg (2D layout for CNC cutting)
           
-          ## Validation Results
-          
-          ✓ All OpenSCAD files validated successfully
-          ✓ Main design file compiled without errors
-          ✓ All module files syntax-checked
-          
           ## Next Steps
           
           1. Review rendered images in the artifacts
-          2. Use cnclayout.svg for CNC plasma cutting
-          3. Use animation frames to create videos
-          4. Export DXF files for individual parts using export_all_cnc_parts.sh
+          2. View lifetrac_v25_animation.gif to see arm movement
+          3. Use cnclayout.svg for CNC plasma cutting
+          4. Use animation frames to create videos
+          5. Export DXF files for individual parts using export_all_cnc_parts.sh
+          6. Check the Structural Analysis workflow for design validation results
           
           ---
           Generated by GitHub Actions
@@ -234,28 +226,48 @@ jobs:
           path: LifeTrac-v25/mechanical_design/output/animations/
           retention-days: 90
       
-      - name: Commit and push assembly.png and cnclayout.svg
+      - name: Commit and push rendered outputs
         run: |
           cd LifeTrac-v25/mechanical_design
           git config --global user.name 'github-actions[bot]'
           git config --global user.email 'github-actions[bot]@users.noreply.github.com'
           
           # Add the generated files
-          git add assembly.png cnclayout.svg
+          git add assembly.png cnclayout.svg lifetrac_v25_animation.gif
           
           # Check if there are changes
           if ! git diff --staged --quiet; then
-            git commit -m "Update assembly.png and cnclayout.svg [skip ci]"
+            git commit -m "Update rendered outputs (assembly, layout, animation) [skip ci]"
             git push --force-with-lease origin HEAD || {
               echo "INFO: git push failed. This is expected on PRs from forks."
               echo "The files are available as workflow artifacts."
             }
           else
-            echo "No changes to assembly.png or cnclayout.svg"
+            echo "No changes to rendered output files"
           fi
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       
+      - name: Cleanup Xvfb
+        if: always()
+        run: |
+          if [ -n "$XVFB_PID" ]; then
+            echo "Stopping Xvfb process (PID: $XVFB_PID)"
+            # Try graceful shutdown first
+            kill -TERM $XVFB_PID 2>/dev/null || true
+            # Wait up to 5 seconds for process to terminate
+            for i in {1..5}; do
+              if ! kill -0 $XVFB_PID 2>/dev/null; then
+                echo "Xvfb stopped gracefully"
+                break
+              fi
+              sleep 1
+            done
+            # Force kill if still running
+            kill -KILL $XVFB_PID 2>/dev/null || true
+            echo "Xvfb force stopped"
+          fi
+      
       - name: Comment on PR with results
         if: github.event_name == 'pull_request'
         uses: actions/github-script@v7
@@ -264,11 +276,12 @@ jobs:
             const fs = require('fs');
             const comment = `## OpenSCAD Render Results 🎨
             
-            ✅ All OpenSCAD files validated successfully!
+            ✅ Rendering completed successfully!
             
             ### Generated Outputs
             - 📸 Preview renders (main, front, side, top views)
             - 🎬 Animation frames (36 frames)
+            - 🎞️ Animated GIF of arm movement (lifetrac_v25_animation.gif)
             - 🔧 Module examples
             - 🖼️ Assembly image and CNC layout (assembly.png, cnclayout.svg)
             
@@ -277,8 +290,13 @@ jobs:
             - \`openscad-renders\` - Preview images
             - \`openscad-animations\` - Animation frames and GIF
             
-            ### CNC Files
-            - \`assembly.png\` and \`cnclayout.svg\` committed to repository
+            ### Committed Files
+            The following files have been committed to the repository:
+            - \`assembly.png\` - 3D assembly render
+            - \`cnclayout.svg\` - 2D CNC cutting layout
+            - \`lifetrac_v25_animation.gif\` - Animation showing arm movement
+            
+            _Note: Check the **OpenSCAD Structural Analysis** workflow for design validation and structural analysis results._
             
             **Workflow Run:** [#${{ github.run_number }}](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})
             `;
diff --git a/.github/workflows/openscad-structural-analysis.yml b/.github/workflows/openscad-structural-analysis.yml
new file mode 100644
index 0000000..603a25c
--- /dev/null
+++ b/.github/workflows/openscad-structural-analysis.yml
@@ -0,0 +1,300 @@
+name: OpenSCAD Structural Analysis
+
+on:
+  push:
+    paths:
+      - 'LifeTrac-v25/mechanical_design/**/*.scad'
+      - '.github/workflows/openscad-structural-analysis.yml'
+  pull_request:
+    paths:
+      - 'LifeTrac-v25/mechanical_design/**/*.scad'
+  workflow_dispatch:
+
+jobs:
+  structural-analysis:
+    runs-on: ubuntu-latest
+    name: Validate Structural Design
+    
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+      
+      - name: Install OpenSCAD
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y openscad xvfb x11-utils
+          openscad --version
+      
+      - name: Start Xvfb
+        run: |
+          Xvfb :99 -screen 0 1024x768x16 &
+          XVFB_PID=$!
+          echo "XVFB_PID=$XVFB_PID" >> $GITHUB_ENV
+          
+          # Wait for Xvfb to be ready (max 10 seconds)
+          for i in {1..10}; do
+            if xdpyinfo -display :99 >/dev/null 2>&1; then
+              echo "Xvfb is ready on display :99"
+              break
+            fi
+            if [ $i -eq 10 ]; then
+              echo "Timeout waiting for Xvfb to start"
+              exit 1
+            fi
+            sleep 1
+          done
+          
+          echo "DISPLAY=:99" >> $GITHUB_ENV
+      
+      - name: Validate OpenSCAD syntax
+        run: |
+          echo "Validating OpenSCAD files..."
+          cd LifeTrac-v25/mechanical_design
+          
+          # Check main design file
+          openscad -o /dev/null --export-format echo openscad/lifetrac_v25.scad
+          if [ $? -eq 0 ]; then
+            echo "✓ Main design file is valid"
+          else
+            echo "✗ Main design file has errors"
+            exit 1
+          fi
+          
+          # Check module files
+          for module in modules/*.scad; do
+            echo "Checking $module..."
+            openscad -o /dev/null --export-format echo "$module"
+            if [ $? -eq 0 ]; then
+              echo "✓ $module is valid"
+            else
+              echo "✗ $module has errors"
+              exit 1
+            fi
+          done
+      
+      - name: Run structural analysis
+        run: |
+          echo "Running structural analysis on main design..."
+          cd LifeTrac-v25/mechanical_design
+          
+          # Run OpenSCAD with echo output to capture structural analysis
+          openscad -o /dev/null --export-format echo openscad/lifetrac_v25.scad 2>&1 | tee structural_analysis.log
+          
+          echo "Structural analysis complete. Check logs for results."
+      
+      - name: Generate structural analysis report
+        run: |
+          cd LifeTrac-v25/mechanical_design
+          
+          # Extract key metrics from the log
+          echo "# Structural Analysis Report" > structural_report.md
+          echo "" >> structural_report.md
+          echo "**Generated:** $(date)" >> structural_report.md
+          echo "**Commit:** ${{ github.sha }}" >> structural_report.md
+          echo "**Branch:** ${{ github.ref_name }}" >> structural_report.md
+          echo "" >> structural_report.md
+          
+          # Extract structural summary if present
+          if grep -q "COMPLETE STRUCTURAL ANALYSIS SUMMARY" structural_analysis.log; then
+            echo "## Structural Analysis Results" >> structural_report.md
+            echo "" >> structural_report.md
+            echo "\`\`\`" >> structural_report.md
+            # Extract from summary start to next delimiter or end of relevant section
+            sed -n '/COMPLETE STRUCTURAL ANALYSIS SUMMARY/,/========================================/{p;/========================================/q}' structural_analysis.log | tail -n +2 >> structural_report.md || \
+            sed -n '/COMPLETE STRUCTURAL ANALYSIS SUMMARY/,$p' structural_analysis.log | tail -n +2 | head -n 20 >> structural_report.md
+            echo "\`\`\`" >> structural_report.md
+          else
+            echo "No structural analysis summary found in output." >> structural_report.md
+          fi
+          
+          cat structural_report.md
+      
+      - name: Create persistent structural analysis log
+        run: |
+          cd LifeTrac-v25/mechanical_design
+          
+          # Create or update the persistent log file
+          echo "# Structural Analysis Test Log" > STRUCTURAL_ANALYSIS_LOG.md
+          echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+          echo "This file tracks the history of structural analysis test results." >> STRUCTURAL_ANALYSIS_LOG.md
+          echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+          echo "---" >> STRUCTURAL_ANALYSIS_LOG.md
+          echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+          echo "## Latest Analysis" >> STRUCTURAL_ANALYSIS_LOG.md
+          echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+          echo "**Date:** $(date -u '+%Y-%m-%d %H:%M:%S UTC')" >> STRUCTURAL_ANALYSIS_LOG.md
+          echo "**Commit:** ${{ github.sha }}" >> STRUCTURAL_ANALYSIS_LOG.md
+          echo "**Branch:** ${{ github.ref_name }}" >> STRUCTURAL_ANALYSIS_LOG.md
+          echo "**Workflow Run:** ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}" >> STRUCTURAL_ANALYSIS_LOG.md
+          echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+          
+          # Extract and format the structural analysis results
+          if grep -q "COMPLETE STRUCTURAL ANALYSIS SUMMARY" structural_analysis.log; then
+            echo "### Results Summary" >> STRUCTURAL_ANALYSIS_LOG.md
+            echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+            echo "\`\`\`" >> STRUCTURAL_ANALYSIS_LOG.md
+            sed -n '/COMPLETE STRUCTURAL ANALYSIS SUMMARY/,/========================================/{p;/========================================/q}' structural_analysis.log | tail -n +2 >> STRUCTURAL_ANALYSIS_LOG.md || \
+            sed -n '/COMPLETE STRUCTURAL ANALYSIS SUMMARY/,$p' structural_analysis.log | tail -n +2 | head -n 20 >> STRUCTURAL_ANALYSIS_LOG.md
+            echo "\`\`\`" >> STRUCTURAL_ANALYSIS_LOG.md
+            echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+            
+            # Extract detailed failure information if any tests failed
+            if grep -q "FAIL" structural_analysis.log; then
+              echo "### ⚠️ Failed Components" >> STRUCTURAL_ANALYSIS_LOG.md
+              echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+              
+              # Extract rated capacity
+              CAPACITY=$(grep "RATED LIFT CAPACITY:" structural_analysis.log | head -1 | sed 's/ECHO: "RATED LIFT CAPACITY:", //')
+              echo "**Current Rated Capacity:** $CAPACITY" >> STRUCTURAL_ANALYSIS_LOG.md
+              echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+              
+              # List each failed component with details
+              echo "#### Detailed Failure Analysis" >> STRUCTURAL_ANALYSIS_LOG.md
+              echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+              
+              # Arm Bending
+              if grep -q "Arm Bending.*FAIL" structural_analysis.log; then
+                echo "**1. Arm Bending Stress**" >> STRUCTURAL_ANALYSIS_LOG.md
+                grep -A 5 "=== ARM BENDING STRESS ANALYSIS ===" structural_analysis.log | grep "ECHO:" | sed 's/ECHO: /- /' >> STRUCTURAL_ANALYSIS_LOG.md
+                echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+              fi
+              
+              # Arm Deflection
+              if grep -q "Arm Deflection.*FAIL" structural_analysis.log; then
+                echo "**2. Arm Deflection**" >> STRUCTURAL_ANALYSIS_LOG.md
+                grep -A 5 "=== ARM DEFLECTION ANALYSIS ===" structural_analysis.log | grep "ECHO:" | sed 's/ECHO: /- /' >> STRUCTURAL_ANALYSIS_LOG.md
+                echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+              fi
+              
+              # Cross Beam
+              if grep -q "Cross Beam.*FAIL" structural_analysis.log; then
+                echo "**3. Cross Beam Bending**" >> STRUCTURAL_ANALYSIS_LOG.md
+                grep -A 5 "=== CROSS BEAM STRESS ANALYSIS ===" structural_analysis.log | grep "ECHO:" | sed 's/ECHO: /- /' >> STRUCTURAL_ANALYSIS_LOG.md
+                echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+              fi
+              
+              # Pivot Ring Welds
+              if grep -q "Pivot Ring.*FAIL" structural_analysis.log; then
+                echo "**4. Pivot Ring Welds**" >> STRUCTURAL_ANALYSIS_LOG.md
+                grep -A 5 "=== PIVOT RING WELD ANALYSIS ===" structural_analysis.log | grep "ECHO:" | sed 's/ECHO: /- /' >> STRUCTURAL_ANALYSIS_LOG.md
+                echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+              fi
+              
+              echo "### Recommended Actions" >> STRUCTURAL_ANALYSIS_LOG.md
+              echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+              echo "See [STRUCTURAL_ANALYSIS.md](STRUCTURAL_ANALYSIS.md) for design modification recommendations." >> STRUCTURAL_ANALYSIS_LOG.md
+              echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+            else
+              echo "### ✅ All Tests Passed" >> STRUCTURAL_ANALYSIS_LOG.md
+              echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+              echo "All structural analysis checks passed successfully." >> STRUCTURAL_ANALYSIS_LOG.md
+              echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+            fi
+          else
+            echo "### Error" >> STRUCTURAL_ANALYSIS_LOG.md
+            echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+            echo "No structural analysis summary found in output. Check the workflow logs for errors." >> STRUCTURAL_ANALYSIS_LOG.md
+            echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+          fi
+          
+          echo "---" >> STRUCTURAL_ANALYSIS_LOG.md
+          echo "" >> STRUCTURAL_ANALYSIS_LOG.md
+          echo "_This file is automatically updated by the OpenSCAD Structural Analysis workflow._" >> STRUCTURAL_ANALYSIS_LOG.md
+          
+          cat STRUCTURAL_ANALYSIS_LOG.md
+      
+      - name: Commit structural analysis log
+        run: |
+          cd LifeTrac-v25/mechanical_design
+          git config --global user.name 'github-actions[bot]'
+          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
+          
+          # Add the log file
+          git add STRUCTURAL_ANALYSIS_LOG.md
+          
+          # Check if there are changes
+          if ! git diff --staged --quiet; then
+            git commit -m "Update structural analysis log [skip ci]"
+            git push --force-with-lease origin HEAD || {
+              echo "INFO: git push failed. This is expected on PRs from forks."
+              echo "The log file is available as a workflow artifact."
+            }
+          else
+            echo "No changes to structural analysis log"
+          fi
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      
+      - name: Upload structural analysis artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: structural-analysis
+          path: |
+            LifeTrac-v25/mechanical_design/structural_analysis.log
+            LifeTrac-v25/mechanical_design/structural_report.md
+            LifeTrac-v25/mechanical_design/STRUCTURAL_ANALYSIS_LOG.md
+          retention-days: 90
+      
+      - name: Cleanup Xvfb
+        if: always()
+        run: |
+          if [ -n "$XVFB_PID" ]; then
+            echo "Stopping Xvfb process (PID: $XVFB_PID)"
+            # Try graceful shutdown first
+            kill -TERM $XVFB_PID 2>/dev/null || true
+            # Wait up to 5 seconds for process to terminate
+            for i in {1..5}; do
+              if ! kill -0 $XVFB_PID 2>/dev/null; then
+                echo "Xvfb stopped gracefully"
+                break
+              fi
+              sleep 1
+            done
+            # Force kill if still running
+            kill -KILL $XVFB_PID 2>/dev/null || true
+            echo "Xvfb force stopped"
+          fi
+      
+      - name: Comment on PR with structural analysis
+        if: github.event_name == 'pull_request'
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const fs = require('fs');
+            
+            // Read the structural report
+            let reportContent = 'Structural analysis completed. Check artifacts for detailed results.';
+            try {
+              const report = fs.readFileSync('LifeTrac-v25/mechanical_design/structural_report.md', 'utf8');
+              // Extract just the results section
+              const match = report.match(/## Structural Analysis Results[\s\S]*$/);
+              if (match) {
+                reportContent = match[0];
+              }
+            } catch (err) {
+              console.log('Could not read structural report:', err);
+            }
+            
+            const comment = `## OpenSCAD Structural Analysis Results 🔧
+            
+            ✅ Structural analysis completed!
+            
+            ${reportContent}
+            
+            ### Persistent Log
+            A detailed log with failure descriptions has been committed to:
+            - \`LifeTrac-v25/mechanical_design/STRUCTURAL_ANALYSIS_LOG.md\`
+            
+            ### Artifacts
+            Download the detailed analysis from the workflow artifacts:
+            - \`structural-analysis\` - Complete logs and report
+            
+            **Workflow Run:** [#${{ github.run_number }}](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }})
+            `;
+            
+            github.rest.issues.createComment({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+              body: comment
+            });
diff --git a/LifeTrac-v25/mechanical_design/STRUCTURAL_ANALYSIS_LOG.md b/LifeTrac-v25/mechanical_design/STRUCTURAL_ANALYSIS_LOG.md
new file mode 100644
index 0000000..75fd358
--- /dev/null
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+# Structural Analysis Test Log
+
+This file tracks the history of structural analysis test results.
+
+---
+
+## Latest Analysis
+
+**Date:** 2025-12-07 07:16:34 UTC
+**Commit:** 379a04d9ad945b5817b3ea2a91384fda2ece5e4c
+**Branch:** copilot/update-xvfb-installation
+**Workflow Run:** https://github.com/OpenSourceEcology/LifeTrac/actions/runs/20000741019
+
+### Error
+
+No structural analysis summary found in output. Check the workflow logs for errors.
+
+---
+
+_This file is automatically updated by the OpenSCAD Structural Analysis workflow._
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