修复一个偶发的问题

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": "0.5.182",
+  "current_extension_version": "0.5.183",
   "original_arrangement_date_selection": "Hotel, vehicle, transport and other/filing update selection accepts MM-DD or YYYY-MM-DD; omitted year matches original ERP month/day within the exact group only. Require exactly one persisted row, then freeze its actual full dates and id. Full year is exact; mixed/cross-year endpoints are matched independently with actual range order checked. No match or ambiguity blocks before mutation; show up to five original candidates and ask to resubmit complete dates. Creation and legacy target-date changes retain existing semantics.",
   "historical_test_marker": "TEST-202609",
   "scope": "/System/Business/",
@@ -287,6 +287,7 @@
       "subpage_identity": "host/list ownership still requires the full created ref (including independent ddid), while native teams*.asp forms prove the target by tdID because they do not carry ddid",
       "positive_quantity_required": true,
       "preserved_quantity_exception": "other update may retain its existing empty/zero quantity when no new quantity is provided",
+      "linked_field_stability": {"stable_ms": 1500, "minimum_samples": 3, "maximum_sample_gap_ms": 1500, "observation_budget_ms": 6000, "wall_limit_ms": 30000, "policy": "restart observation after a delayed sample; inspect the deadline sample; require unchanged live controls and native idle; timeout never authorizes save", "create_diagnostics": "preflight.arrangement_linkage plus value-redacted blocker timing/field names"},
       "linkage_sequence": "indexed create: selected row native resource linkage -> date/quantity -> wait stable -> status/remark -> preserve other rows and recheck after native validation",
       "preflight": ["indexed cost create: native MaxI and continuous complete rows; guide/update/clear retain their existing count gates", "no visible loading indicator", "stable form for at least 1 second", "exact current-run ownership list proof"],
       "requery": ["fresh arrangement subpage GET", "create returns row/resource target", "clear proves target row/resource/marker absent", "native PrintGridLists with Tpage/P_Size/riqi/departure-date/publication-unit/team-number"]