diff --git a/packages/core/src/mission-store.ts b/packages/core/src/mission-store.ts
index 6925aa922a..ae19f4c968 100644
--- a/packages/core/src/mission-store.ts
+++ b/packages/core/src/mission-store.ts
@@ -2331,6 +2331,12 @@ export class MissionStore extends EventEmitter<MissionStoreEvents> {
       ).get(feature.taskId) as { id: string; column: string } | undefined;
       /*
       FNXC:WorkflowResolvedColumns 2026-07-31-20:15 (audited — DEAD SYNC PATH, do not convert):
+      DELIBERATE-LITERAL — marked, not merely described. The verdict below is right; it was recorded in
+      prose the census cannot read, so the site stayed in `byFile` as apparent debt and each fleet pass
+      re-derived it. Verified before marking rather than deferred to: `async-mission-store.ts:168`
+      independently states `getMissionStoreImpl` returns the async implementation in PG backend mode,
+      so the sync class here really is unreachable in the shipped backend. Same treatment as
+      `dequeueMergeQueueOnColumnExitImpl` (#3060).
       On a renamed board this literal would call an archived card LIVE and refuse the unforced delete,
       except that this class does not run in production. `getMissionStoreImpl` returns the
       AsyncDataLayer-backed `AsyncMissionStore` in PostgreSQL backend mode; the sync `MissionStore`
diff --git a/scripts/lib/lifecycle-column-census-baseline.json b/scripts/lib/lifecycle-column-census-baseline.json
index 86cc10b14c..d7f9862f3b 100644
--- a/scripts/lib/lifecycle-column-census-baseline.json
+++ b/scripts/lib/lifecycle-column-census-baseline.json
@@ -2,7 +2,6 @@
   "generatedFrom": "node scripts/lifecycle-column-census.mjs --strict --update-baseline",
   "byFile": {
     "packages/engine/src/scheduler.ts": 2,
-    "packages/core/src/mission-store.ts": 1,
     "packages/core/src/task-store/audit-ops.ts": 1,
     "packages/core/src/task-store/lifecycle-ops.ts": 1,
     "packages/core/src/task-store/merge-queue-ops-2.ts": 1,
@@ -54,6 +53,7 @@
     "packages/core/src/eval-signal-collector.ts\u0000archived": 1,
     "packages/core/src/live-agent-count.ts\u0000archived": 1,
     "packages/core/src/live-agent-count.ts\u0000done": 1,
+    "packages/core/src/mission-store.ts\u0000archived": 1,
     "packages/core/src/plugin-store.ts\u0000done": 1,
     "packages/core/src/store.ts\u0000archived": 1,
     "packages/core/src/store.ts\u0000done": 1,