Add reconciliation manager (#2459)

* Add reconciliation manager

* Fix notes editing

app/models/investment.rb

@@ -28,19 +28,4 @@ class Investment < ApplicationRecord
       "line-chart"
     end
   end
-
-  def holdings_value_for_date(date)
-    # Find the most recent holding for each security on or before the given date
-    # Using a subquery to get the max date for each security
-    account.holdings
-      .where(currency: account.currency)
-      .where("date <= ?", date)
-      .where("(security_id, date) IN (
-        SELECT security_id, MAX(date) as max_date
-        FROM holdings
-        WHERE account_id = ? AND date <= ?
-        GROUP BY security_id
-      )", account.id, date)
-      .sum(:amount)
-  end
 end