chore: document and ignore data inconsistency (#145)

Author: CodeReaper

.github/workflows/health-check-integrity.yaml

@@ -117,12 +117,22 @@ jobs:
         run: |
           cd api/emission/co2
 
+          cat << EOF > .ignore-grep
+          2025/11/21/DK1.json has incorrect duration: 82500
+          2025/11/23/DK1.json has incorrect duration: 3300
+          2025/11/21/DK2.json has incorrect duration: 82500
+          2025/11/23/DK2.json has incorrect duration: 3300
+          EOF
+
           find 2??? -type f -mindepth 3 -maxdepth 3 -name "${{ matrix.zone }}.json" | sort | tail -n +2 | head -n-1 | while read file; do
             duration=$(jq '[.[].timestamp] | max as $max | min as $min | $max - $min' < $file)
             if [ $duration != 86100 ]; then
               echo "$file has incorrect duration: $duration"
             fi
-          done | tee ../../../${{ matrix.zone }}
+          done | tee ../../../${{ matrix.zone }}.raw
+          echo "--- filtered output below ---"
+          cat ../../../${{ matrix.zone }}.raw | (grep -vf .ignore-grep || true) > ../../../${{ matrix.zone }}
+
       - uses: actions/upload-artifact@v6
         with:
           name: emission-${{ matrix.zone }}