diff --git a/sonar-project.properties b/sonar-project.properties
index ad689445a1..c03af40790 100644
--- a/sonar-project.properties
+++ b/sonar-project.properties
@@ -18,6 +18,14 @@ sonar.exclusions=crates/vendor/**,crates/api_clients/grok_consumer_client/src/cr
 
 # S4347 (predictable seed): DeterministicRng is the fixed-seed generator for tests and dev seed
 # tools; being reproducible is its purpose.
-sonar.issue.ignore.multicriteria=deterministic_rng
+# S2187 (file without tests): the API tests build their cases with the shared helpers in
+# test/app/Classes/ApiManager/utils/, which call `it` themselves.
+# S2819 (message origin): a dedicated worker's `message` events come only from the page that
+# started it; they carry no origin to check.
+sonar.issue.ignore.multicriteria=deterministic_rng,api_test_helpers,worker_messages
 sonar.issue.ignore.multicriteria.deterministic_rng.ruleKey=rust:S4347
 sonar.issue.ignore.multicriteria.deterministic_rng.resourceKey=crates/schema/public/tokens/src/deterministic_rng.rs
+sonar.issue.ignore.multicriteria.api_test_helpers.ruleKey=typescript:S2187
+sonar.issue.ignore.multicriteria.api_test_helpers.resourceKey=frontend/apps/artcraft/test/app/Classes/ApiManager/**
+sonar.issue.ignore.multicriteria.worker_messages.ruleKey=typescript:S2819
+sonar.issue.ignore.multicriteria.worker_messages.resourceKey=**/*.worker.ts