Add multi-AOI calibration evidence portfolio

scripts/export_detection_calibration_evidence.sh

@@ -20,6 +20,7 @@ Required input:
 Optional environment:
   CALIBRATION_EVIDENCE_MODE    all or best, default: all.
   CALIBRATION_EVIDENCE_DIR     Output directory, default: the summary file directory.
+  CURL_BIN                     curl executable, default: curl.
 EOF
 }
 
@@ -53,7 +54,8 @@ case "${CALIBRATION_EVIDENCE_MODE}" in
     ;;
 esac
 
-if ! command -v curl >/dev/null 2>&1; then
+CURL_BIN="${CURL_BIN:-curl}"
+if ! command -v "${CURL_BIN}" >/dev/null 2>&1; then
   echo "curl is required for detection calibration evidence export" >&2
   exit 1
 fi
@@ -153,7 +155,7 @@ while IFS=$'\t' read -r threshold project_id quality_check_id; do
   threshold_label="$(printf '%s' "${threshold}" | tr '.-' 'pm')"
   response_path="${CALIBRATION_EVIDENCE_DIR}/threshold_${threshold_label}_evidence_response.json"
   echo "-- Evidence threshold ${threshold}, quality_check_id ${quality_check_id} --"
-  curl -fsS "${BASE_URL%/}/api/v1/projects/${project_id}/quality-checks/${quality_check_id}/evidence/geojson" > "${response_path}"
+  "${CURL_BIN}" -fsS "${BASE_URL%/}/api/v1/projects/${project_id}/quality-checks/${quality_check_id}/evidence/geojson" > "${response_path}"
 done < "${request_manifest}"
 
 "${PYTHON_BIN}" - "${CALIBRATION_SUMMARY_PATH}" "${CALIBRATION_EVIDENCE_DIR}" "${CALIBRATION_EVIDENCE_MODE}" <<'PY'