From 2325b638839240bf5d6d4f7e6e1f8eaa82d4d7fd Mon Sep 17 00:00:00 2001
From: Sergey Krylov <ksv741@mail.ru>
Date: Wed, 28 Oct 2026 08:00:20 +0300
Subject: [PATCH] fix: reset portfolio value points inflated by double-counted
 cash (WealthLedger/backend#140)

---
 .../migration.sql                                             | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 prisma/migrations/20261028080000_reset_inflated_portfolio_value_points/migration.sql

diff --git a/prisma/migrations/20261028080000_reset_inflated_portfolio_value_points/migration.sql b/prisma/migrations/20261028080000_reset_inflated_portfolio_value_points/migration.sql
new file mode 100644
index 0000000..74c1101
--- /dev/null
+++ b/prisma/migrations/20261028080000_reset_inflated_portfolio_value_points/migration.sql
@@ -0,0 +1,4 @@
+-- Points written before WealthLedger/backend#140 counted cash twice (cash balance
+-- plus the mirroring CURRENCY position). Historical compositions and FX rates are
+-- not stored, so the points cannot be recomputed exactly; history restarts here.
+DELETE FROM "TbankPortfolioValuePoint";