diff --git a/tests/frontend/ai-quick-actions.test.mjs b/tests/frontend/ai-quick-actions.test.mjs
index 55346ba..31ff454 100644
--- a/tests/frontend/ai-quick-actions.test.mjs
+++ b/tests/frontend/ai-quick-actions.test.mjs
@@ -114,10 +114,9 @@ await test("the 4 scenarios of the design table map to the expected actions", ()
   assert.deepEqual(suggestionsFor("selection").map((a) => a.id), ["concise", "fix_style", "explain_selection"]);
 });
 
-await test("frontmatter actions are agent-mode (they mutate the document)", () => {
-  assert.equal(getAction("frontmatter").agent, true);
-  assert.equal(getAction("frontmatter_update").agent, true);
-  assert.ok(!getAction("summarize_3").agent);
+await test("#187: frontmatter actions need no agent-mode flag (always agent)", () => {
+  assert.equal(getAction("frontmatter").agent, undefined);
+  assert.equal(getAction("frontmatter_update").agent, undefined);
 });
 
 // ── i18n completeness (FR + EN) ────────────────────────────────────────────