Add instituion details & notes to Account model (#481)

- Add institution name & domain, to allow fetching logos when no provider is configured
- Add free-form textarea for storing misc. notes (eg. sort codes, account numbers)
- Update account settings form to support these new fields

db/migrate/20251116010421_add_institution_fields_to_accounts.rb

@@ -0,0 +1,12 @@
+class AddInstitutionFieldsToAccounts < ActiveRecord::Migration[7.2]
+  def change
+    add_column :accounts, :institution_name, :string
+    add_column :accounts, :institution_domain, :string
+    add_column :accounts, :notes, :text
+
+    # Touch all accounts to invalidate cached queries that depend on accounts.maximum(:updated_at)
+    # Without this, the following error would occur post-update and prevent page loads:
+    # "undefined method 'institution_domain' for an instance of BalanceSheet::AccountTotals::AccountRow"
+    Account.in_batches.update_all(updated_at: Time.current)
+  end
+end

db/schema.rb

@@ -46,6 +46,9 @@ ActiveRecord::Schema[7.2].define(version: 2025_12_15_100443) do
     t.jsonb "locked_attributes", default: {}
     t.string "status", default: "active"
     t.uuid "simplefin_account_id"
+    t.string "institution_name"
+    t.string "institution_domain"
+    t.text "notes"
     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 ["currency"], name: "index_accounts_on_currency"