Retry Enable Banking sync with provider-corrected date range (#1801)

* Clamp Enable Banking sync window

* Pipelock noise

---------

Co-authored-by: KiloClaw <kiloclaw@openclaw.ai>
Co-authored-by: Juan José Mata <jjmata@jjmata.com>

test/models/provider/enable_banking_test.rb

@@ -0,0 +1,64 @@
+require "test_helper"
+require "ostruct"
+require "openssl"
+
+class Provider::EnableBankingTest < ActiveSupport::TestCase
+  setup do
+    key = OpenSSL::PKey::RSA.new(2048)
+    @provider = Provider::EnableBanking.new(application_id: "test_app_id", client_certificate: key.to_pem)
+  end
+
+  test "get_account_transactions retries with corrected date_from from WRONG_TRANSACTIONS_PERIOD" do
+    requested_queries = []
+
+    validation_response = OpenStruct.new(
+      code: 422,
+      body: {
+        error: "WRONG_TRANSACTIONS_PERIOD",
+        detail: {
+          message: "Maximum days in the past allowed for transaction list is 120",
+          date_from: "2026-01-17"
+        }
+      }.to_json
+    )
+
+    success_response = OpenStruct.new(
+      code: 200,
+      body: { transactions: [] }.to_json
+    )
+
+    Provider::EnableBanking.expects(:get).twice.with do |_url, options|
+      requested_queries << options[:query].dup
+      true
+    end.returns(validation_response, success_response)
+
+    result = @provider.get_account_transactions(
+      account_id: "acct_123",
+      date_from: Date.new(2025, 12, 1),
+      transaction_status: "BOOK"
+    )
+
+    assert_equal [], result[:transactions]
+    assert_equal "2025-12-01", requested_queries.first[:date_from]
+    assert_equal "2026-01-17", requested_queries.second[:date_from]
+  end
+
+  test "validation errors expose parsed response data" do
+    response = OpenStruct.new(
+      code: 422,
+      body: {
+        error: "WRONG_TRANSACTIONS_PERIOD",
+        detail: { date_from: "2026-01-17" }
+      }.to_json
+    )
+
+    error = assert_raises Provider::EnableBanking::EnableBankingError do
+      @provider.send(:handle_response, response)
+    end
+
+    assert_equal :validation_error, error.error_type
+    assert_equal "WRONG_TRANSACTIONS_PERIOD", error.response_data[:error]
+    assert_equal Date.new(2026, 1, 17), error.corrected_date_from
+    assert error.wrong_transactions_period?
+  end
+end