diff --git a/harness/tests/test_column_decisions.py b/harness/tests/test_column_decisions.py
new file mode 100644
index 00000000..9539e26b
--- /dev/null
+++ b/harness/tests/test_column_decisions.py
@@ -0,0 +1,17 @@
+from tht.decisions import DecisionType
+import typing
+
+
+def test_column_decision_types_exist():
+    allowed = set(typing.get_args(DecisionType))
+    assert "column_promoted" in allowed
+    assert "column_excluded" in allowed
+
+
+def test_f4_emits_column_types():
+    import yaml
+    from pathlib import Path
+    wf = yaml.safe_load(Path("workflow.yaml").read_text())
+    f4 = next(p for p in wf["phases"] if p["id"] == "F4")
+    assert "column_promoted" in f4["emits"]
+    assert "column_excluded" in f4["emits"]
diff --git a/harness/tht/decisions.py b/harness/tht/decisions.py
index 0b2cb090..2f1d75c6 100644
--- a/harness/tht/decisions.py
+++ b/harness/tht/decisions.py
@@ -14,6 +14,8 @@ DecisionType = Literal[
     "question_rewritten",
     "table_promoted",
     "table_excluded",
+    "column_promoted",
+    "column_excluded",
     "column_corrected",
     "join_modified",
     "evidence_accepted",
diff --git a/harness/workflow.yaml b/harness/workflow.yaml
index 5fb9cd12..366e4d41 100644
--- a/harness/workflow.yaml
+++ b/harness/workflow.yaml
@@ -34,7 +34,7 @@ phases:
     advance: reviewer_decide
     prerequisites: []
     artifacts_out: [schema_linking.json]
-    emits: [table_promoted, table_excluded, column_corrected, join_modified,
+    emits: [table_promoted, table_excluded, column_promoted, column_excluded, column_corrected, join_modified,
             evidence_accepted, evidence_rejected, value_grounded,
             concept_formula_approved, concept_formula_rejected]
   - id: F5