fix: use relative import for bannerlord_trace (#1552)

deploy.sh

@@ -1,9 +1,7 @@
 #!/usr/bin/env bash
 # deploy.sh — spin up (or update) the Nexus staging environment
-# Usage: ./deploy.sh          — rebuild and restart nexus-main (host port 8765)
-#        ./deploy.sh staging  — rebuild and restart nexus-staging (host port 8766)
-#
-# Both containers internally serve on 8765; docker-compose.yml maps host ports.
+# Usage: ./deploy.sh          — rebuild and restart nexus-main (port 8765)
+#        ./deploy.sh staging  — rebuild and restart nexus-staging (port 8766)
 set -euo pipefail
 
 SERVICE="${1:-nexus-main}"

nexus/bannerlord_harness.py

@@ -29,7 +29,7 @@ from typing import Any, Callable, Optional
 
 import websockets
 
-from bannerlord_trace import BannerlordTraceLogger
+from .bannerlord_trace import BannerlordTraceLogger
 
 # ═══════════════════════════════════════════════════════════════════════════
 # CONFIGURATION