WIP recovery checkpoint (unverified): note DD prototype files, DV exploration, formal-lane logs — not for integration

.github/workflows/dd-wip-shards.yml

@@ -0,0 +1,40 @@
+name: DD WIP node shards (work in progress, not a certificate)
+
+'on':
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  shards:
+    runs-on: ubuntu-latest
+    timeout-minutes: 330
+    strategy:
+      fail-fast: false
+      matrix:
+        shard: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
+    name: shard ${{ matrix.shard }}/12
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
+        with:
+          persist-credentials: false
+      - uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97
+        with:
+          python-version: '3.11.16'
+      - name: Node values of the cells with index = shard (mod 12)
+        env:
+          PYTHONDONTWRITEBYTECODE: '1'
+        shell: bash
+        run: |
+          set -euo pipefail
+          nproc
+          cd frontiers/dd_model_d_enclosure_20261013/wip_20261013T0245Z/dd
+          python -B -S ddgauss.py eval cells_full.json "$RUNNER_TEMP/nodes_${{ matrix.shard }}.json" 4 ${{ matrix.shard }}/12 2>&1 | tail -n 40
+      - name: Retain the shard
+        if: always()
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
+        with:
+          name: dd-wip-nodes-${{ matrix.shard }}-${{ github.run_id }}-${{ github.run_attempt }}
+          path: ${{ runner.temp }}/nodes_${{ matrix.shard }}.json
+          if-no-files-found: error