diff --git a/src/resources/extensions/gsd/state.ts b/src/resources/extensions/gsd/state.ts
index 3f0b31c98..d97f320a3 100644
--- a/src/resources/extensions/gsd/state.ts
+++ b/src/resources/extensions/gsd/state.ts
@@ -64,11 +64,12 @@ export function isValidationTerminal(validationContent: string): boolean {
   if (!match) return false;
   const verdict = match[1].match(/verdict:\s*(\S+)/);
   if (!verdict) return false;
+  const v = verdict[1] === 'passed' ? 'pass' : verdict[1];
   // 'pass' and 'needs-attention' are always terminal.
   // 'needs-remediation' is treated as terminal to prevent infinite loops
   // when no remediation slices exist in the roadmap (#832). The validation
   // report is preserved on disk for manual review.
-  return verdict[1] === 'pass' || verdict[1] === 'needs-attention' || verdict[1] === 'needs-remediation';
+  return v === 'pass' || v === 'needs-attention' || v === 'needs-remediation';
 }
 
 // ─── State Derivation ──────────────────────────────────────────────────────
diff --git a/src/resources/extensions/gsd/tests/validate-milestone.test.ts b/src/resources/extensions/gsd/tests/validate-milestone.test.ts
index e87dd4972..9a1ed7f25 100644
--- a/src/resources/extensions/gsd/tests/validate-milestone.test.ts
+++ b/src/resources/extensions/gsd/tests/validate-milestone.test.ts
@@ -104,6 +104,11 @@ test("isValidationTerminal returns true for verdict: needs-remediation (#832)",
   assert.equal(isValidationTerminal(content), true);
 });
 
+test("isValidationTerminal returns true for verdict: passed (#1429)", () => {
+  const content = "---\nverdict: passed\nremediation_round: 0\n---\n\n# Validation";
+  assert.equal(isValidationTerminal(content), true);
+});
+
 test("isValidationTerminal returns false for missing frontmatter", () => {
   const content = "# Validation\nNo frontmatter here.";
   assert.equal(isValidationTerminal(content), false);