As ketchup does, rather than in a config.kdl beside it.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014U2t8JuR681EA8GQD9z5mD

diff --git a/.ramekin/Dockerfile b/.ramekin/Dockerfile
index 1e287b7..522c219 100644
--- a/.ramekin/Dockerfile
+++ b/.ramekin/Dockerfile
@@ -43,3 +43,5 @@ COPY Gemfile Gemfile.lock /tmp/bundle/
 RUN cd /tmp/bundle \
  && bundle install --jobs 4 \
  && rm -rf /tmp/bundle
+
+ENV RANGER_DEFAULT_BACKLOG=rank-king
diff --git a/.ramekin/config.kdl b/.ramekin/config.kdl
deleted file mode 100644
index ff00d2d..0000000
--- a/.ramekin/config.kdl
+++ /dev/null
@@ -1,5 +0,0 @@
-// The workspace .envrc is shadowed by /dev/null in the user config, so the
-// vars it exports have to be restated here to reach the agent.
-env {
-  RANGER_DEFAULT_BACKLOG "rank-king"
-}