diff --git a/manage.sh b/manage.sh
index 19a5b96..ec74fe4 100755
--- a/manage.sh
+++ b/manage.sh
@@ -38,6 +38,15 @@ PATTERN_DIR="${TURNSTONE_PATTERNS:-$([[ -d /devl/turnstone-cluster/patterns ]] &
 CONDA_BASE="${CONDA_BASE:-/devl/miniconda3}"
 PYTHON="${CONDA_BASE}/envs/cf/bin/python"
 
+# Source .env if present — loads TURNSTONE_MULTI_AGENT_DIAGNOSE, GPU_SERVER_URL, etc.
+# Variables already set in the environment take precedence (set -a / set +a scoping).
+if [[ -f "${SCRIPT_DIR}/.env" ]]; then
+    set -a
+    # shellcheck source=/dev/null
+    source "${SCRIPT_DIR}/.env"
+    set +a
+fi
+
 # ── Helpers ───────────────────────────────────────────────────────────────────
 
 _is_alive() {