diff --git a/packages/cli/src/commands/task.ts b/packages/cli/src/commands/task.ts
index 6c3c16693f..cccc69f719 100644
--- a/packages/cli/src/commands/task.ts
+++ b/packages/cli/src/commands/task.ts
@@ -1604,7 +1604,10 @@ export async function runTaskImportGitHubInteractive(
       const task = await retryBoardCall(context, "import", "create task", () => store.createTask({
         title: title || undefined,
         description,
-        column: "triage",
+        /* FNXC:WorkflowLifecycleColumns 2026-07-29-20:15 (U11): no explicit column —
+           `createTaskImpl` resolves the WORKFLOW'S intake column, and `input.column` would
+           override it. Hard-coding `"triage"` created the card in a column the default
+           lineage no longer declares (#2515), i.e. straight into the stranded state. */
         dependencies: [],
         sourceIssue: source.sourceIssue,
         source: {
@@ -1777,7 +1780,10 @@ export async function runTaskImportFromGitHub(
       const task = await retryBoardCall(context, "import", "create task", () => store.createTask({
         title: title || undefined,
         description,
-        column: "triage",
+        /* FNXC:WorkflowLifecycleColumns 2026-07-29-20:15 (U11): no explicit column —
+           `createTaskImpl` resolves the WORKFLOW'S intake column, and `input.column` would
+           override it. Hard-coding `"triage"` created the card in a column the default
+           lineage no longer declares (#2515), i.e. straight into the stranded state. */
         dependencies: [],
         sourceIssue: source.sourceIssue,
         source: {
@@ -1852,7 +1858,10 @@ export async function runTaskImportFromGitLab(
       const task = await retryBoardCall(context, "import", "create task", () => store.createTask({
         title: title || undefined,
         description: dashboard.buildGitLabTaskDescription(item),
-        column: "triage",
+        /* FNXC:WorkflowLifecycleColumns 2026-07-29-20:15 (U11): no explicit column —
+           `createTaskImpl` resolves the WORKFLOW'S intake column, and `input.column` would
+           override it. Hard-coding `"triage"` created the card in a column the default
+           lineage no longer declares (#2515), i.e. straight into the stranded state. */
         dependencies: [],
         sourceIssue: provenance.sourceIssue,
         gitlabTracking: provenance.gitlabTracking,
diff --git a/packages/cli/src/extension.ts b/packages/cli/src/extension.ts
index 4515447f80..c6053172b3 100644
--- a/packages/cli/src/extension.ts
+++ b/packages/cli/src/extension.ts
@@ -2298,7 +2298,10 @@ export default function kbExtension(pi: ExtensionAPI) {
         const task = await store.createTask({
           title: title || undefined,
           description,
-          column: "triage",
+          /* FNXC:WorkflowLifecycleColumns 2026-07-29-20:15 (U11): no explicit column —
+             `createTaskImpl` resolves the WORKFLOW'S intake column, and `input.column` would
+             override it. Hard-coding `"triage"` created the card in a column the default
+             lineage no longer declares (#2515), i.e. straight into the stranded state. */
           dependencies: [],
           sourceIssue: source.sourceIssue,
           source: {
@@ -2393,7 +2396,10 @@ export default function kbExtension(pi: ExtensionAPI) {
       const task = await store.createTask({
         title: title || undefined,
         description,
-        column: "triage",
+        /* FNXC:WorkflowLifecycleColumns 2026-07-29-20:15 (U11): no explicit column —
+           `createTaskImpl` resolves the WORKFLOW'S intake column, and `input.column` would
+           override it. Hard-coding `"triage"` created the card in a column the default
+           lineage no longer declares (#2515), i.e. straight into the stranded state. */
         dependencies: [],
         sourceIssue: source.sourceIssue,
         source: {
@@ -2530,7 +2536,7 @@ export default function kbExtension(pi: ExtensionAPI) {
       const provenance = dashboard.buildGitLabTaskProvenance({ auth: client.auth, resourceType, item, projectInput: resourceType !== "group_issue" ? target : undefined, groupInput: resourceType === "group_issue" ? target : undefined });
       if (existingTasks.some((task) => dashboard.isGitLabAlreadyImported(task, provenance))) continue;
       const title = resourceType === "merge_request" ? `Review MR !${item.iid}: ${item.title.slice(0, 180)}` : item.title.slice(0, 200);
-      const task = await store.createTask({ title: title || undefined, description: dashboard.buildGitLabTaskDescription(item), column: "triage", dependencies: [], sourceIssue: provenance.sourceIssue, gitlabTracking: provenance.gitlabTracking, source: { sourceType: "gitlab_import", sourceMetadata: provenance.sourceMetadata } });
+      const task = await store.createTask({ title: title || undefined, description: dashboard.buildGitLabTaskDescription(item), dependencies: [], sourceIssue: provenance.sourceIssue, gitlabTracking: provenance.gitlabTracking, source: { sourceType: "gitlab_import", sourceMetadata: provenance.sourceMetadata } });
       await store.logEntry(task.id, resourceType === "merge_request" ? "Imported merge request from GitLab" : "Imported from GitLab", item.webUrl);
       existingTasks.push(task);
       createdTasks.push({ id: task.id, title: task.title || item.title });
diff --git a/packages/engine/src/__tests__/pr-comment-handler.test.ts b/packages/engine/src/__tests__/pr-comment-handler.test.ts
index 863fe9c9c8..f87c2ea0f4 100644
--- a/packages/engine/src/__tests__/pr-comment-handler.test.ts
+++ b/packages/engine/src/__tests__/pr-comment-handler.test.ts
@@ -245,10 +245,20 @@ describe("PrCommentHandler", () => {
         },
       ]);
 
+      /*
+      FNXC:WorkflowLifecycleColumns 2026-07-29-20:40 (U11):
+      This asserted `column: "triage"` and so PINNED the defect. `createTaskImpl`
+      resolves the column as `input.column || resolvedEntryColumn || fallbackIntake
+      || "triage"`, so an explicit column OVERRIDES the workflow's intake — and
+      after #2515 `triage` is not a column the default lineage declares, so the
+      follow-up was created straight into the stranded state.
+
+      Now asserts the invariant instead of the id: the caller passes NO column, so
+      whatever intake the task's workflow declares is what wins.
+      */
       expect(mockStore.createTask).toHaveBeenCalledWith({
         title: "Follow-up: Address PR #42 feedback",
         description: expect.stringContaining("FN-001"),
-        column: "triage",
         dependencies: ["FN-001"],
         source: {
           sourceType: "api",
@@ -259,6 +269,8 @@ describe("PrCommentHandler", () => {
           },
         },
       });
+      const [createArg] = (mockStore.createTask as unknown as { mock: { calls: [Record<string, unknown>][] } }).mock.calls[0];
+      expect(Object.hasOwn(createArg, "column")).toBe(false);
     });
 
     it("does nothing when no unaddressed comments", async () => {
diff --git a/packages/engine/src/eval-followups.ts b/packages/engine/src/eval-followups.ts
index 7e9e0fdf91..8183823218 100644
--- a/packages/engine/src/eval-followups.ts
+++ b/packages/engine/src/eval-followups.ts
@@ -230,7 +230,10 @@ export async function materializeEvalFollowUps(input: MaterializeEvalFollowUpsIn
         `Rationale: ${followUp.rationale}`,
         `Evidence refs: ${followUp.evidenceRefs.map((ref) => ref.evidenceId).join(", ") || "none"}`,
       ].join("\n"),
-      column: "triage",
+      /* FNXC:WorkflowLifecycleColumns 2026-07-29-20:15 (U11): no explicit column —
+         `createTaskImpl` resolves the WORKFLOW'S intake column, and `input.column` would
+         override it. Hard-coding `"triage"` created the card in a column the default
+         lineage no longer declares (#2515), i.e. straight into the stranded state. */
       priority: followUp.priority,
       source: {
         sourceType: "automation",
diff --git a/packages/engine/src/pr-comment-handler.ts b/packages/engine/src/pr-comment-handler.ts
index d8cd398dda..e0436db413 100644
--- a/packages/engine/src/pr-comment-handler.ts
+++ b/packages/engine/src/pr-comment-handler.ts
@@ -251,7 +251,10 @@ Please review the PR comments and address any remaining issues.`;
       const task = await this.store.createTask({
         title: `Follow-up: Address PR #${prInfo.number} feedback`,
         description,
-        column: "triage",
+        /* FNXC:WorkflowLifecycleColumns 2026-07-29-20:15 (U11): no explicit column —
+           `createTaskImpl` resolves the WORKFLOW'S intake column, and `input.column` would
+           override it. Hard-coding `"triage"` created the card in a column the default
+           lineage no longer declares (#2515), i.e. straight into the stranded state. */
         dependencies: [originalTaskId],
         source: {
           sourceType: "api",
diff --git a/packages/engine/src/triage.ts b/packages/engine/src/triage.ts
index 4144ac2bcb..73e4a0e452 100644
--- a/packages/engine/src/triage.ts
+++ b/packages/engine/src/triage.ts
@@ -3278,7 +3278,10 @@ export class TriageProcessor {
             title: params.title,
             description: params.description,
             dependencies: validDeps,
-            column: "triage",
+            /* FNXC:WorkflowLifecycleColumns 2026-07-29-20:15 (U11): no explicit column —
+               `createTaskImpl` resolves the WORKFLOW'S intake column, and `input.column` would
+               override it. Hard-coding `"triage"` created the card in a column the default
+               lineage no longer declares (#2515), i.e. straight into the stranded state. */
             priority: params.priority,
             workflowId: params.workflow_id,
             noCommitsExpected: params.noCommitsExpected,