diff --git a/stacks/arbo/compose.yaml b/stacks/arbo/compose.yaml
index 99d212a..e952fd2 100644
--- a/stacks/arbo/compose.yaml
+++ b/stacks/arbo/compose.yaml
@@ -56,9 +56,13 @@ services:
       # input, artifact-wipe deletes output):
       - /worktank/comfyui/basedir/input:/comfy/input
       - /worktank/comfyui/basedir/output:/comfy/output
-      # catalog checkout (comfy-dev clone on the host), read-only:
-      - ${ARBO_CATALOG_DIR:-/worktank/arbo/repo}/catalog:/app/catalog:ro    # CONFIRM in-container path vs image layout
-      - ${ARBO_CATALOG_DIR:-/worktank/arbo/repo}/graphs:/app/graphs:ro      # CONFIRM in-container path vs image layout
+      # comfy-dev checkout on the host (D2 git-pull target), read-only. catalog +
+      # graphs + frontend all ride the mount, so a catalog OR SPA change reaches
+      # prod via `git pull + restart` — no image rebuild (ADR-0001 D2, extended to
+      # the frontend per the v0.11.2 prod fix). Baked image copies are the fallback.
+      - ${ARBO_CATALOG_DIR:-/worktank/arbo/repo}/catalog:/app/catalog:ro
+      - ${ARBO_CATALOG_DIR:-/worktank/arbo/repo}/graphs:/app/graphs:ro
+      - ${ARBO_CATALOG_DIR:-/worktank/arbo/repo}/frontend:/app/frontend:ro
     # python-based (the slim image ships no curl/wget; python is always present):
     healthcheck:
       test: ["CMD-SHELL", "python -c \"import urllib.request,sys; sys.exit(0 if urllib.request.urlopen('http://localhost:8200/healthz').status==200 else 1)\""]