CSV Imports Overhaul (Transactions, Trades, Accounts, and Mint import support) (#1209)

* Remove stale 1.0 import logic and model

* Fresh start

* Checkpoint before removing nav

* First working prototype

* Add trade, account, and mint import flows

* Basic working version with tests

* System tests for each import type

* Clean up mappings flow

* Clean up PR, refactor stale code, tests

* Add back row validations

* Row validations

* Fix import job test

* Fix import navigation

* Fix mint import configuration form

* Currency preset for new accounts

test/controllers/import/rows_controller_test.rb

@@ -0,0 +1,79 @@
+require "test_helper"
+
+class Import::RowsControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    sign_in @user = users(:family_admin)
+
+    @import = imports(:transaction)
+    @row = import_rows(:one)
+  end
+
+  test "show transaction row" do
+    get import_row_path(@import, @row)
+
+    assert_row_fields(@row, [ :date, :name, :amount, :currency, :category, :tags, :account, :notes ])
+
+    assert_response :success
+  end
+
+  test "show trade row" do
+    import = @user.family.imports.create!(type: "TradeImport")
+    row = import.rows.create!(date: "01/01/2024", currency: "USD", qty: 10, price: 100, ticker: "AAPL")
+
+    get import_row_path(import, row)
+
+    assert_row_fields(row, [ :date, :ticker, :qty, :price, :currency, :account, :name ])
+
+    assert_response :success
+  end
+
+  test "show account row" do
+    import = @user.family.imports.create!(type: "AccountImport")
+    row = import.rows.create!(name: "Test Account", amount: 10000, currency: "USD")
+
+    get import_row_path(import, row)
+
+    assert_row_fields(row, [ :entity_type, :name, :amount, :currency ])
+
+    assert_response :success
+  end
+
+  test "show mint row" do
+    import = @user.family.imports.create!(type: "MintImport")
+    row = import.rows.create!(date: "01/01/2024", amount: 100, currency: "USD")
+
+    get import_row_path(import, row)
+
+    assert_row_fields(row, [ :date, :name, :amount, :currency, :category, :tags, :account, :notes ])
+
+    assert_response :success
+  end
+
+  test "update" do
+    patch import_row_path(@import, @row), params: {
+      import_row: {
+        account: "Checking Account",
+        date: "2024-01-01",
+        qty: nil,
+        ticker: nil,
+        price: nil,
+        amount: 100,
+        currency: "USD",
+        name: "Test",
+        category: "Food",
+        tags: "grocery, dinner",
+        entity_type: nil,
+        notes: "Weekly shopping"
+      }
+    }
+
+    assert_redirected_to import_row_path(@import, @row)
+  end
+
+  private
+    def assert_row_fields(row, fields)
+      fields.each do |field|
+        assert_select "turbo-frame##{dom_id(row, field)}"
+      end
+    end
+end