Add retention policy option regression coverage

webui/tests/privacy-policy.test.ts

@@ -1,6 +1,7 @@
 import {
   type PrivacyRetentionPolicyFieldKey,
   type RetentionPolicyLimitCarrier,
+  privacyRetentionAuditDetailOptionDisabled,
   privacyRetentionLocalAllowsLowerLevel,
   privacyRetentionParentAllowsField
 } from "../src/features/privacy/policyLogic";
@@ -32,3 +33,6 @@ assert(!privacyRetentionLocalAllowsLowerLevel(localPatch, parentPolicy, field, f
 assert(privacyRetentionParentAllowsField(null, field), "missing parent policy should allow local field controls");
 assert(privacyRetentionLocalAllowsLowerLevel({}, null, field, false), "unlocked inherited lower-level controls should remain enabled");
 assert(!privacyRetentionLocalAllowsLowerLevel({ allow_lower_level_limits: { [field]: false } }, null, field, true), "system policy can disable lower-level choices");
+assert(privacyRetentionAuditDetailOptionDisabled("full", "redacted"), "lower levels cannot widen audit detail from redacted to full");
+assert(!privacyRetentionAuditDetailOptionDisabled("minimal", "redacted"), "lower levels can choose stricter audit detail than the parent");
+assert(!privacyRetentionAuditDetailOptionDisabled("full", null), "system-level audit detail options are all viable");