ci: add proactive docker cleanup and tighten prune filters

.gitea/workflows/deploy.yml

@@ -42,6 +42,13 @@ jobs:
     container:
       image: catthehacker/ubuntu:act-latest
     steps:
+      - name: 🧹 Cleanup disk space
+        shell: bash
+        run: |
+          echo "🧹 Cleaning up dangling Docker images and stale build cache..."
+          docker system prune -f --filter "until=24h"
+          docker image prune -f --filter "dangling=true"
+
       - name: Checkout repository
         uses: actions/checkout@v4
         with:
@@ -382,7 +389,7 @@ jobs:
             docker compose -p "$PROJECT_NAME" --env-file "$ENV_FILE" pull
             echo "→ Starting containers..."
             docker compose -p "$PROJECT_NAME" --env-file "$ENV_FILE" up -d --remove-orphans
-            docker system prune -f --filter "until=168h"
+            docker system prune -f --filter "until=24h"
             echo "→ Waiting 15s for warmup..."
             sleep 15
             echo "→ Container status:"