fix(agent99): remove check stdin dependency

scripts/reboot-recovery/tests/test_agent99_remote_atomic_deploy_transport_contract.py

@@ -155,16 +155,19 @@ def test_sender_builds_sha256_envelope_and_streams_it_without_remote_cli_data()
     assert "[Console]::In.ReadToEnd()" not in source
     assert "$reader.ReadToEnd()" in source
     assert "__AWOOOI_AGENT99_REMOTE_BOOTSTRAP_END_V1__" in source
-    assert "[Console]::In.ReadLine()" in source
+    assert "[Console]::In.ReadLine()" not in source
+    assert "[IO.File]::ReadAllLines" in source
+    assert '"control_command_no_stdin"' in source
+    assert "REMOTE_CHECK_COMMAND" in source
     assert "remote_bootstrap_input_limit_exceeded" in source
     assert "remote_bootstrap_sentinel_missing" in source
     assert "line_width = 65536" in source
     assert "len(payload_lines) > 8" in source
     assert '"\\n".join(payload_lines)' in source
     assert "remote_bootstrap_payload_line_contract_failed" in source
-    assert "$lineCount -gt 8" in source
+    assert "$payloadLines.Count -gt 8" in source
     assert "$charCount -gt 1048576" in source
-    assert '<"${BOOTSTRAP_PAYLOAD_PATH}"' in source
+    assert '<"${BOOTSTRAP_PAYLOAD_PATH}"' not in source
     assert "rawEnvelope" not in source
     assert "sshpass" not in source
 
@@ -580,7 +583,7 @@ def test_apply_without_all_three_identities_fails_before_ssh() -> None:
     assert "known_hosts_file_missing" not in result.stderr
 
 
-def test_check_mode_builds_and_streams_bundle_over_bounded_fake_transport(
+def test_check_mode_uses_bounded_control_command_without_ssh_stdin(
     tmp_path: Path,
 ) -> None:
     fake_bin = tmp_path / "bin"
@@ -660,8 +663,8 @@ def test_check_mode_builds_and_streams_bundle_over_bounded_fake_transport(
     assert "PasswordAuthentication=no" in args
     assert "Administrator@192.168.0.99" in args
     assert str(identity) in args
-    payload_bytes = int(bytes_path.read_text(encoding="utf-8"))
-    assert 50_000 < payload_bytes < 1_048_576
+    stdin_bytes = int(bytes_path.read_text(encoding="utf-8"))
+    assert stdin_bytes == 0
 
 
 def test_apply_uses_ephemeral_file_transport_and_cleans_up_without_ssh_stdin(