diff --git a/src/resources/extensions/gsd/tests/doctor-environment.test.ts b/src/resources/extensions/gsd/tests/doctor-environment.test.ts
index 59263f2b7..af55c2f66 100644
--- a/src/resources/extensions/gsd/tests/doctor-environment.test.ts
+++ b/src/resources/extensions/gsd/tests/doctor-environment.test.ts
@@ -143,8 +143,8 @@ describe('doctor-environment', async () => {
       cleanups.push(dir);
       const results = runEnvironmentChecks(dir);
       const depsCheck = results.find(r => r.name === "dependencies");
-      assertTrue(depsCheck !== undefined, "dependencies check runs");
-      assertEq(depsCheck!.status, "ok", "npm marker newer than lockfile → not stale");
+      assert.ok(depsCheck !== undefined, "dependencies check runs");
+      assert.equal(depsCheck!.status, "ok", "npm marker newer than lockfile → not stale");
     }
 
     console.log("\n=== env: yarn marker file newer than lockfile → ok (#1974) ===");
@@ -167,8 +167,8 @@ describe('doctor-environment', async () => {
       cleanups.push(dir);
       const results = runEnvironmentChecks(dir);
       const depsCheck = results.find(r => r.name === "dependencies");
-      assertTrue(depsCheck !== undefined, "dependencies check runs");
-      assertEq(depsCheck!.status, "ok", "yarn marker newer than lockfile → not stale");
+      assert.ok(depsCheck !== undefined, "dependencies check runs");
+      assert.equal(depsCheck!.status, "ok", "yarn marker newer than lockfile → not stale");
     }
 
     console.log("\n=== env: pnpm marker file newer than lockfile → ok (#1974) ===");
@@ -191,8 +191,8 @@ describe('doctor-environment', async () => {
       cleanups.push(dir);
       const results = runEnvironmentChecks(dir);
       const depsCheck = results.find(r => r.name === "dependencies");
-      assertTrue(depsCheck !== undefined, "dependencies check runs");
-      assertEq(depsCheck!.status, "ok", "pnpm marker newer than lockfile → not stale");
+      assert.ok(depsCheck !== undefined, "dependencies check runs");
+      assert.equal(depsCheck!.status, "ok", "pnpm marker newer than lockfile → not stale");
     }
 
     console.log("\n=== env: no marker file falls back to dir mtime → stale warning (#1974) ===");
@@ -212,8 +212,8 @@ describe('doctor-environment', async () => {
       cleanups.push(dir);
       const results = runEnvironmentChecks(dir);
       const depsCheck = results.find(r => r.name === "dependencies");
-      assertTrue(depsCheck !== undefined, "dependencies check runs");
-      assertEq(depsCheck!.status, "warning", "no marker + lockfile newer → stale warning");
+      assert.ok(depsCheck !== undefined, "dependencies check runs");
+      assert.equal(depsCheck!.status, "warning", "no marker + lockfile newer → stale warning");
     }
 
     // ── Env File Check ─────────────────────────────────────────────────
diff --git a/src/resources/extensions/gsd/tests/doctor-git.test.ts b/src/resources/extensions/gsd/tests/doctor-git.test.ts
index eabb2daf5..cdffe17ae 100644
--- a/src/resources/extensions/gsd/tests/doctor-git.test.ts
+++ b/src/resources/extensions/gsd/tests/doctor-git.test.ts
@@ -167,22 +167,22 @@ describe('doctor-git', async () => {
         const fixed = await runGSDDoctor(dir, { fix: true, isolationMode: "worktree" });
 
         // The fix must NOT skip removal — it should chdir out and remove
-        assertTrue(
+        assert.ok(
           !fixed.fixesApplied.some(f => f.includes("skipped removing worktree")),
           "does NOT skip removal when cwd is inside worktree",
         );
-        assertTrue(
+        assert.ok(
           fixed.fixesApplied.some(f => f.includes("removed orphaned worktree")),
           "removes orphaned worktree even when cwd was inside it",
         );
 
         // Verify worktree is gone
         const wtList = run("git worktree list", dir);
-        assertTrue(!wtList.includes("milestone/M001"), "worktree removed after fix with cwd inside");
+        assert.ok(!wtList.includes("milestone/M001"), "worktree removed after fix with cwd inside");
 
         // Verify cwd was moved out (should be basePath, not still inside worktree)
         const newCwd = process.cwd();
-        assertTrue(
+        assert.ok(
           !newCwd.startsWith(wtPath),
           "cwd moved out of worktree after fix",
         );