fix(harness): record postgres decision phases

harness/tht/session/postgres_repository.py

@@ -352,6 +352,20 @@ class PostgresSessionRepository:
         with self._transaction() as connection:
             self._lock_session(connection, session_id)
             self._require_session(connection, session_id)
+            from tht.phase import current_phase
+
+            manifest = SessionManifest.model_validate(connection.execute(
+                text("SELECT manifest FROM thoth_sessions.sessions WHERE id = :id"), {"id": session_id}
+            ).scalar_one())
+            ledger = [
+                DecisionRecord.model_validate(dict(item))
+                for item in connection.execute(
+                    text("SELECT seq, ts, phase, type, subject, detail, rationale, retracts "
+                         "FROM thoth_sessions.review_decisions WHERE session_id = :id ORDER BY seq"),
+                    {"id": session_id},
+                ).mappings()
+            ]
+            phase = current_phase(SessionSnapshot(manifest=manifest, decisions=ledger))
             next_seq = connection.execute(
                 text(
                     "SELECT COALESCE(MAX(seq), 0) + 1 FROM thoth_sessions.review_decisions "
@@ -361,7 +375,7 @@ class PostgresSessionRepository:
             ).scalar_one()
             now = datetime.now(UTC)
             records = [
-                DecisionRecord(seq=next_seq + offset, ts=now, phase=None, **item.model_dump())
+                DecisionRecord(seq=next_seq + offset, ts=now, phase=phase, **item.model_dump())
                 for offset, item in enumerate(inputs)
             ]
             connection.execute(