Auto-categorize investment contributions across all transfer paths (#924)

* Ensure investment contributions are auto-categorized with proper kind and category creation.

* Retrigger CI

test/models/rule/action_test.rb

@@ -165,6 +165,30 @@ class Rule::ActionTest < ActiveSupport::TestCase
     end
   end
 
+  test "set_as_transfer_or_payment assigns investment_contribution kind and category for investment destination" do
+    investment = accounts(:investment)
+
+    action = Rule::Action.new(
+      rule: @transaction_rule,
+      action_type: "set_as_transfer_or_payment",
+      value: investment.id
+    )
+
+    # Only apply to txn1 (positive amount = outflow)
+    action.apply(Transaction.where(id: @txn1.id))
+
+    @txn1.reload
+
+    transfer = Transfer.find_by(outflow_transaction_id: @txn1.id) || Transfer.find_by(inflow_transaction_id: @txn1.id)
+    assert transfer.present?, "Transfer should be created"
+
+    assert_equal "investment_contribution", transfer.outflow_transaction.kind
+    assert_equal "funds_movement", transfer.inflow_transaction.kind
+
+    category = @family.investment_contributions_category
+    assert_equal category, transfer.outflow_transaction.category
+  end
+
   test "set_investment_activity_label ignores invalid values" do
     action = Rule::Action.new(
       rule: @transaction_rule,