Commit iniziale di eminuxCRM: CRM Rails con pipeline, campagne email e Docker.

Include autenticazione, progetti isolati, mail marketing HTML con SMTP, test A/B e editor WYSIWYG.

Co-authored-by: Cursor <cursoragent@cursor.com>

test/models/opportunity_test.rb

@@ -0,0 +1,35 @@
+require "test_helper"
+
+class OpportunityTest < ActiveSupport::TestCase
+  setup do
+    @opp = opportunities(:deal)
+    @user = users(:marco)
+    Current.user = @user
+    Current.project = projects(:matchlivetv)
+  end
+
+  teardown do
+    Current.user = nil
+    Current.project = nil
+  end
+
+  test "move to won sets won_at and activates customer" do
+    @opp.move_to_stage!("won", user: @user)
+    assert @opp.won?
+    assert_not_nil @opp.won_at
+    assert_equal "active_customer", @opp.organization.reload.status
+  end
+
+  test "move to lost requires reason" do
+    assert_raises(ActiveRecord::RecordInvalid) do
+      @opp.move_to_stage!("lost", user: @user)
+    end
+  end
+
+  test "move to lost with reason" do
+    @opp.move_to_stage!("lost", lost_reason: "price", user: @user)
+    assert @opp.lost?
+    assert_equal "price", @opp.lost_reason
+    assert_not_nil @opp.lost_at
+  end
+end