chore: fix README markers and add regex safety checks

.gitea/workflows/update-readme.yaml

@@ -17,27 +17,24 @@ jobs:
       - name: Update README
         run: |
           LOC=$(grep '"total_code"' public/code-stats.json | sed 's/[^0-9]*//g')
+          FORMATTED_LOC=$(printf "%'d" $LOC)
           
-          if [ -z "$LOC" ] || [ "$LOC" -eq 0 ]; then
-            echo "Error: Could not parse LOC or LOC is 0. Checking file existence..."
-            ls -R public/
+          if ! grep -q "" README.md; then
+            echo "ERROR: Could not find markers in README.md. Aborting to prevent runaway."
             exit 1
           fi
 
-          FORMATTED_LOC=$(printf "%'d" $LOC)
-          echo "Detected $FORMATTED_LOC lines of code. Updating README..."
+          echo "Detected $FORMATTED_LOC lines. Updating anchored markers..."
 
-          sed -i "s/\(\).*\(\)/\1$FORMATTED_LOC\2/" README.md
+          sed -i "s/.*/$FORMATTED_LOC/" README.md
 
       - name: Commit and Push
         run: |
           git config user.name "Ares-Bot"
           git config user.email "ares@beane.me"
           git add README.md
-          
           if git diff --staged --quiet; then
             echo "No changes"
           else
             git commit -m "chore: sync code velocity to $FORMATTED_LOC LOC [skip ci]"
-            git push http://${{ secrets.GITHUB_TOKEN }}@gitea-http:3000/${{ github.repository }}.git main
-          fi
+            git push http://${{ secrets.GITHUB_TOKEN }}@gitea-http:3000/${{ github.repository }}.git ${{ github.ref_name }}