fix corporate action replay and trade filtering

app/repositories/postgres.py

@@ -1637,6 +1637,21 @@ class PostgresPortfolioRepository:
                 row = cur.fetchone()
                 if row is None:
                     raise ValueError("portfolio not found")
+                cur.execute("SELECT corporate_action_id, portfolio_id, asset_id, action_type, effective_date, actor_user_id, evidence_ref, idempotency_key, payload_hash, quantity_before, quantity_after, average_price_before, average_price_after, total_cost_basis, cash_balance, profit_buffer, ledger_entry_id, recorded_at FROM portfolio_corporate_actions WHERE portfolio_id=%s AND idempotency_key=%s", (portfolio_id, idempotency_key))
+                prior = cur.fetchone()
+                if prior:
+                    if prior[8] != payload_hash:
+                        raise ValueError("IDEMPOTENCY_KEY_REUSE")
+                    (action.corporate_action_id, action.portfolio_id, action.asset_id, action.action_type,
+                     action.effective_date, action.actor_user_id, action.evidence_ref,
+                     action.idempotency_key, action.payload_hash, action.quantity_before,
+                     action.quantity_after, action.average_price_before, action.average_price_after,
+                     action.total_cost_basis, action.cash_balance, action.profit_buffer,
+                     ledger_id, action.recorded_at) = prior
+                    action.corporate_action_id = str(action.corporate_action_id)
+                    action.ledger_entry_id = int(ledger_id)
+                    action.idempotent_replay = True
+                    return action
                 if row[4] != "enabled":
                     raise ValueError("CORPORATE_ACTION_PORTFOLIO_DISABLED")
                 if row[3] != action.asset_id:
@@ -1720,7 +1735,7 @@ class PostgresPortfolioRepository:
         boundaries (start of day / start of next day).
         """
         self.ensure_schema()
-        clauses = ["portfolio_id = %s"]
+        clauses = ["portfolio_id = %s", "side IN ('buy','sell')"]
         params: list[object] = [portfolio_id]
 
         if date is not None: