Trial state of 29 Oct 2026: ATOMA reader setup, app dashboards, embedding notes

Baseline before the clean-up (PD-13): the PD-11 reader setup and the PD-12 app
dashboards as they ran on the local stack, uncommitted until now. Not deployed,
not independently reviewed.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

petrolyst-insights/patches/README.md

@@ -1,7 +1,10 @@
 # patches/
 
 Runtime patches applied while the Superset image is built
-(`stacks/fuel-monitoring/superset/Dockerfile`). Empty until Petrolyst needs one.
+(`stacks/fuel-monitoring/superset/Dockerfile`):
+
+- `fix_redact_query_for_readers.py`: chart-data responses carry no SQL for readers, as Superset
+  already does for embedded guests (`petrolyst_reader.py`).
 
 Same convention as media-insights: