diff --git a/harness/tht/cli/session_cmd.py b/harness/tht/cli/session_cmd.py
index 01862561..57bc60ad 100644
--- a/harness/tht/cli/session_cmd.py
+++ b/harness/tht/cli/session_cmd.py
@@ -474,6 +474,25 @@ def finalize_cmd(session_id: str = typer.Argument(...), config: Path = CONFIG_OP
     manifest.updated_at = datetime.now(UTC)
     manifest.updated_by = current_author()
     manifest.to_yaml(sdir / MANIFEST)
+    # --- memoria attiva (parte B): indicizza la coppia domanda->SQL, best-effort ---
+    # Import lazy: memory_cmd importa da session_cmd (un import top-level qui sarebbe
+    # circolare). Qualunque errore (writer key assente, VPN giu', Ollama spento) NON
+    # deve bloccare il finalize: l'indice e' derivato e recuperabile con
+    # `tht memory solved-index <id>`.
+    try:
+        from tht.cli.memory_cmd import index_solved_session
+
+        if index_solved_session(cfg, session_id):
+            typer.secho(
+                "OK: coppia domanda->SQL indicizzata nel vectordb (solved_question).",
+                fg=typer.colors.GREEN,
+            )
+    except Exception as e:
+        typer.secho(
+            f"ATTENZIONE: coppia domanda->SQL non indicizzata ({e}). "
+            f"Recupera con `tht memory solved-index {session_id}`.",
+            fg=typer.colors.YELLOW, err=True,
+        )
     typer.secho(f"OK: sessione {session_id} finalizzata. Artefatti:", fg=typer.colors.GREEN)
     for name in ARTIFACT_FILES:
         state = "presente" if (sdir / name).exists() else "assente"