Plaid portfolio sync algorithm and calculation improvements (#1526)

* Start tests rework

* Cash balance on schema

* Add reverse syncer

* Reverse balance sync with holdings

* Reverse holdings sync

* Reverse holdings sync should work with only trade entries

* Consolidate brokerage cash

* Add forward sync option

* Update new balance info after syncs

* Intraday balance calculator and sync fixes

* Show only balance for trade entries

* Tests passing

* Update Gemfile.lock

* Cleanup, performance improvements

* Remove account reloads for reliable sync outputs

* Simplify valuation view logic

* Special handling for Plaid cash holding

db/migrate/20241204235400_add_balance_components.rb

@@ -0,0 +1,6 @@
+class AddBalanceComponents < ActiveRecord::Migration[7.2]
+  def change
+    add_column :accounts, :cash_balance, :decimal, precision: 19, scale: 4, default: 0
+    add_column :account_balances, :cash_balance, :decimal, precision: 19, scale: 4, default: 0
+  end
+end

db/migrate/20241207002408_add_family_timezone.rb

@@ -0,0 +1,5 @@
+class AddFamilyTimezone < ActiveRecord::Migration[7.2]
+  def change
+    add_column :families, :timezone, :string
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.2].define(version: 2024_11_26_211249) do
+ActiveRecord::Schema[7.2].define(version: 2024_12_07_002408) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pgcrypto"
   enable_extension "plpgsql"
@@ -27,6 +27,7 @@ ActiveRecord::Schema[7.2].define(version: 2024_11_26_211249) do
     t.string "currency", default: "USD", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.decimal "cash_balance", precision: 19, scale: 4, default: "0.0"
     t.index ["account_id", "date", "currency"], name: "index_account_balances_on_account_id_date_currency_unique", unique: true
     t.index ["account_id"], name: "index_account_balances_on_account_id"
   end
@@ -112,6 +113,7 @@ ActiveRecord::Schema[7.2].define(version: 2024_11_26_211249) do
     t.uuid "plaid_account_id"
     t.boolean "scheduled_for_deletion", default: false
     t.datetime "last_synced_at"
+    t.decimal "cash_balance", precision: 19, scale: 4, default: "0.0"
     t.index ["accountable_id", "accountable_type"], name: "index_accounts_on_accountable_id_and_accountable_type"
     t.index ["accountable_type"], name: "index_accounts_on_accountable_type"
     t.index ["family_id", "accountable_type"], name: "index_accounts_on_family_id_and_accountable_type"
@@ -218,6 +220,7 @@ ActiveRecord::Schema[7.2].define(version: 2024_11_26_211249) do
     t.string "date_format", default: "%m-%d-%Y"
     t.string "country", default: "US"
     t.datetime "last_synced_at"
+    t.string "timezone"
   end
 
   create_table "good_job_batches", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|