Expand moderation schema and extend auxiliary test coverage

.github/workflows/build-deploy.yml

@@ -54,10 +54,37 @@ jobs:
           --health-timeout 5s
           --health-retries 5
 
-    runs-on: ubuntu-latest
-    steps:
-      - name: pulling git repo
-        uses: actions/checkout@v2
+    runs-on: ubuntu-latest-8-cores
+    steps:
+      - name: Reclaim runner disk space
+        shell: bash
+        run: |
+          set -euxo pipefail
+          echo "Disk usage before cleanup"
+          df -h
+          # Trim cached diagnostic logs if we are on a self-hosted runner.
+          if [ -d "/home/runner/actions-runner/cached/_diag" ]; then
+            find /home/runner/actions-runner/cached/_diag -type f -name '*.log' -delete || true
+          fi
+          # Drop old workflow workspaces when available on self-hosted infrastructure.
+          if [ -d "/home/runner/actions-runner/_work" ]; then
+            find /home/runner/actions-runner/_work -maxdepth 1 -mindepth 1 -type d -mtime +7 -exec rm -rf {} + || true
+          fi
+          # Remove residual Buildx cache created by previous runs.
+          if [ -d "/tmp/.buildx-cache" ]; then
+            rm -rf /tmp/.buildx-cache || true
+          fi
+          # Free Docker space when the daemon is available (self-hosted runners).
+          if command -v docker >/dev/null 2>&1; then
+            docker system prune -af || true
+            docker volume prune -f || true
+            docker builder prune -af || true
+          fi
+          echo "Disk usage after cleanup"
+          df -h
+
+      - name: pulling git repo
+        uses: actions/checkout@v2
 
       - name: Create RSA private key file
         run: echo "${{ secrets.RSA_PRIVATE_KEY }}" > private_key.pem
@@ -106,8 +133,8 @@ jobs:
       - name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}
 
-  deploy:
-    runs-on: ubuntu-latest
+  deploy:
+    runs-on: ubuntu-latest-8-cores
     needs: [build]
     environment:
       name: production

.gitignore

@@ -14,3 +14,4 @@ public_key
 private_key
 env.
 venv
+test_app.db