execl问题修复

mappings/lifecycle.mapping.json

@@ -1,7 +1,7 @@
 {
   "contract_version": "ltjt-lifecycle-v2.9-roster-leader-contact-2026-08",
   "current_agent_parse_prompt_version": "ltjt-agent-prompt-v1.8-independent-headcount-categories",
-  "current_extension_version": "0.5.172",
+  "current_extension_version": "0.5.173",
   "historical_test_marker": "TEST-202609",
   "scope": "/System/Business/",
   "erp_session_keepalive": {
@@ -207,6 +207,7 @@
       "full_replace requires confirmed=true and forces a native overwrite of every supplied sequence even when its current persisted projection is equal; the plugin must not downgrade confirmed user intent to no_changes",
       "passenger_list.marker is exactly TEST-202609 only for an explicit historical test context",
       "every canonical row has implicit 证件类型 exactly 护照; any source 证件类型 column is ignored",
+      "each TSV row retains exactly 13 columns, including empty final phone or remark cells; normalization removes only boundary newlines and never trims tab delimiters",
       "exactly one workbook row within the first 100 rows maps to the required ERP passenger fields; the header may be row 1 or follow metadata rows, source order is arbitrary, approved source/ERP aliases map to one semantic field each, and ordinary non-import columns are ignored and excluded from canonical output; contiguous roster data is read below the detected header",
       "at most one row has trimmed 备注 exactly 领队; that row requires nonblank 姓名 and 电话 and must match passenger_list.leader_contact"
     ],