feat(cli): doctor accepts positional account alongside --account

internal/cli/run_test.go

@@ -58,6 +58,20 @@ func TestListUsageErrorIsJSON(t *testing.T) {
 	}
 }
 
+func TestDoctorPositionalAccount(t *testing.T) {
+	adminEnv(t)
+	// No such account: doctor should reach account lookup and fail there (exit 1),
+	// proving the positional was accepted (not rejected as an unexpected arg).
+	code, _, errOut := run(t, "doctor", "ghost")
+	if code == 2 {
+		t.Fatalf("positional account must be accepted, got usage error: %q", errOut)
+	}
+	// Giving both positional and --account with different values is a usage error.
+	if code, _, _ := run(t, "doctor", "ghost", "--account", "other"); code != 2 {
+		t.Fatal("conflicting positional + --account must be a usage error")
+	}
+}
+
 func b64Key() string {
 	// 32 zero bytes, base64.
 	return "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA="