fix: harden reviewer workflow and memory handling

harness/tests/test_memory_promotion.py

@@ -9,7 +9,13 @@ la rende un passo del workflow. Questi test fissano il contratto harness-side:
 from datetime import datetime
 
 from tht.decisions import DecisionRecord, append_decision
-from tht.memory import declined_promotion_seqs, reusable_promotions
+from tht.memory import (
+    MemoryRecord,
+    declined_promotion_seqs,
+    memory_vector_records,
+    promote,
+    reusable_promotions,
+)
 from tht.session.models import SessionManifest
 from tht.workflow import load_workflow
 
@@ -62,3 +68,48 @@ def test_reusable_promotions_exclude_declined(tmp_path):
                     subject="fact_a", detail="seq:1")                         # seq 3
     cand = reusable_promotions(tmp_path, _manifest(), tmp_path / "registry.jsonl")
     assert [c.decision_seq for c in cand] == [2]
+
+
+def test_reusable_promotions_deduplicate_identical_memory_content(tmp_path):
+    append_decision(tmp_path, type="concept_clarified", subject="paziente attivo",
+                    detail="flag_attivo = TRUE", rationale="scelta reviewer")
+    append_decision(tmp_path, type="concept_clarified", subject="paziente attivo",
+                    detail="flag_attivo = TRUE", rationale="scelta reviewer")
+
+    cand = reusable_promotions(tmp_path, _manifest(), tmp_path / "registry.jsonl")
+
+    assert [c.decision_seq for c in cand] == [1]
+
+
+def test_only_concept_clarified_is_proposed_or_promoted(tmp_path):
+    append_decision(tmp_path, type="table_promoted", subject="fact_a",
+                    detail="tabella principale")
+    append_decision(tmp_path, type="table_excluded", subject="fact_b",
+                    detail="tabella non pertinente")
+    append_decision(tmp_path, type="concept_clarified", subject="paziente attivo",
+                    detail="flag_attivo = TRUE")
+    registry = tmp_path / "registry.jsonl"
+
+    candidates = reusable_promotions(tmp_path, _manifest(), registry)
+    promoted = promote(tmp_path, _manifest(), seqs=[1, 2, 3], registry_path=registry)
+
+    assert [(c.decision_seq, c.type) for c in candidates] == [(3, "concept_clarified")]
+    assert [(c.decision_seq, c.type) for c in promoted] == [(3, "concept_clarified")]
+
+
+def test_legacy_table_records_are_not_published_as_memory_vectors():
+    records = [
+        MemoryRecord(
+            id="mem-0001", ts=datetime(2026, 1, 1), session_id="s1",
+            decision_seq=1, type="table_promoted", subject="fact_a",
+        ),
+        MemoryRecord(
+            id="mem-0002", ts=datetime(2026, 1, 1), session_id="s1",
+            decision_seq=2, type="concept_clarified", subject="paziente attivo",
+            detail="flag_attivo = TRUE",
+        ),
+    ]
+
+    vectors = memory_vector_records(records)
+
+    assert [record.ref for record in vectors] == ["mem-0002"]