chore: bump to 2026.2.1

Dockerfile

@@ -31,6 +31,9 @@ RUN pnpm ui:build
 
 ENV NODE_ENV=production
 
+# Allow non-root user to write temp files during runtime/tests.
+RUN chown -R node:node /app
+
 # Security hardening: Run as non-root user
 # The node:22-bookworm image includes a 'node' user (uid 1000)
 # This reduces the attack surface by preventing container escape via root privileges