Expose the card ID and URL on comments

app/views/cards/comments/_comment.json.jbuilder

@@ -11,6 +11,11 @@ json.cache! comment do
 
   json.creator comment.creator, partial: "users/user", as: :user
 
+  json.card do
+    json.id comment.card_id
+    json.url card_url(comment.card_id)
+  end
+
   json.reactions_url card_comment_reactions_url(comment.card_id, comment.id)
   json.url card_comment_url(comment.card_id, comment.id)
 end

test/controllers/cards/comments_controller_test.rb

@@ -63,10 +63,12 @@ class Cards::CommentsControllerTest < ActionDispatch::IntegrationTest
   test "show as JSON" do
     comment = comments(:logo_agreement_kevin)
 
-    get card_comment_path(cards(:logo), comment), as: :json
+    get card_comment_path(comment.card, comment), as: :json
 
     assert_response :success
     assert_equal comment.id, @response.parsed_body["id"]
+    assert_equal comment.card.id, @response.parsed_body.dig("card", "id")
+    assert_equal card_url(comment.card.id), @response.parsed_body.dig("card", "url")
   end
 
   test "update as JSON" do