diff --git a/stryker.conf.json b/stryker.conf.json
index 270c7dd468..a821949e9f 100644
--- a/stryker.conf.json
+++ b/stryker.conf.json
@@ -138,6 +138,7 @@
       "tests/unit/chatcore-executor-proxy.test.ts",
       "tests/unit/chatcore-extracted-modules-3821.test.ts",
       "tests/unit/chatcore-header-drop-warn-dedupe-10315.test.ts",
+      "tests/unit/13601-header-drop-count-surfaced.test.ts",
       "tests/unit/chatcore-headers.test.ts",
       "tests/unit/chatcore-imports-cleanly.test.ts",
       "tests/unit/chatcore-log-truncation.test.ts",
@@ -149,6 +150,7 @@
       "tests/unit/chatcore-sanitization.test.ts",
       "tests/unit/chatcore-semantic-cache-store.test.ts",
       "tests/unit/chatcore-semantic-cache.test.ts",
+      "tests/unit/semantic-cache-no-truncated-writes.test.ts",
       "tests/unit/chatcore-strip-stale-headers.test.ts",
       "tests/unit/chatcore-telemetry-helpers.test.ts",
       "tests/unit/chatcore-translation-paths.test.ts",
@@ -205,6 +207,7 @@
       "tests/unit/combo-omnimodel-tag-stripping.test.ts",
       "tests/unit/combo-param-validation-fallback-4519.test.ts",
       "tests/unit/combo-prescreen.test.ts",
+      "tests/unit/combo-identical-error-streak.test.ts",
       "tests/unit/combo-priority-quota-exhaustion-cutoff-5923.test.ts",
       "tests/unit/combo-provider-cooldown-sibling.test.ts",
       "tests/unit/combo-provider-cooldown.test.ts",