ops: restore canary_all and harden monitor summary script invocation

ops/monitor_canary_summary.sh

@@ -10,7 +10,7 @@ TS_START="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
 mkdir -p "$STATUS_DIR"
 
 set +e
-out="$(cd "$ROOT" && ./ops/canary_all.sh 2>&1)"
+out="$(cd "$ROOT" && bash ./ops/canary_all.sh 2>&1)"
 rc=$?
 set -e
 
@@ -38,7 +38,7 @@ PY
 
 # Optional notify to SOFIIA (non-fatal for canary status)
 set +e
-notify_out="$("$ROOT/ops/monitor_notify_sofiia.sh" "$STATUS_JSON" 2>&1)"
+notify_out="$(bash "$ROOT/ops/monitor_notify_sofiia.sh" "$STATUS_JSON" 2>&1)"
 notify_rc=$?
 set -e
 printf '%s\n' "$notify_out" >> "$STATUS_LOG"