diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 0000000..d230ed6
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,2 @@
+# Generated compliance artifacts — do not reformat
+compliance/*.yml
diff --git a/compliance/sub-processors.yml b/compliance/sub-processors.yml
index f49979b..ffb4c83 100644
--- a/compliance/sub-processors.yml
+++ b/compliance/sub-processors.yml
@@ -1,4 +1,5 @@
 # compliance/sub-processors.yml — Third-party sub-processor inventory
 # Generated by scripts/compliance/emit-sub-processors.mjs — do not edit manually.
 # Run `pnpm compliance:sub-processors` to regenerate.
-sub-processors: []
+sub-processors:
+  []