fix(tests): fix 78 CI test failures and remove dead test (#9036)

Production fixes:
- voice_mode.py: add is_recording property to AudioRecorder (parity with TermuxAudioRecorder)
- cronjob_tools.py: add sms example to deliver description

Test fixes:
- test_real_interrupt_subagent: add missing _execution_thread_id (fixes 19 cascading failures from leaked _build_system_prompt patch)
- test_anthropic_error_handling: add _FakeMessages, override _interruptible_streaming_api_call (6 fixes)
- test_ctx_halving_fix: add missing request_overrides attribute (4 fixes)
- test_context_token_tracking: set _disable_streaming=True for non-streaming test path (4 fixes)
- test_dict_tool_call_args: set _disable_streaming=True (1 fix)
- test_provider_parity: add model='gpt-4o' for AIGateway tests to meet 64K minimum context (4 fixes)
- test_session_race_guard: add user_id to SessionSource (5 fixes)
- test_restart_drain/helpers: add user_id to SessionSource (2 fixes)
- test_telegram_photo_interrupts: add user_id to SessionSource
- test_interrupt: target thread_id for per-thread interrupt system (2 fixes)
- test_zombie_process_cleanup: rewrite with object.__new__ for refactored GatewayRunner.stop() (1 fix)
- test_browser_camofox_state: update config version 15->17 (1 fix)
- test_trajectory_compressor_async: widen lookback window 10->20 for line-shifted AsyncOpenAI (1 fix)
- test_voice_mode: fixed by production is_recording addition (5 fixes)
- test_voice_cli_integration: add _attached_images to CLI stub (2 fixes)
- test_hermes_logging: explicit propagation/level reset for cross-test pollution defense (1 fix)
- test_run_agent: add base_url for OpenRouter detection tests (2 fixes)

Deleted:
- test_inline_think_blocks_reasoning_only_accepted: tested unimplemented inline <think> handling

tests/tools/test_zombie_process_cleanup.py

@@ -190,17 +190,38 @@ class TestGatewayCleanupWiring:
     def test_gateway_stop_calls_close(self):
         """gateway stop() should call close() on all running agents."""
         import asyncio
-        from unittest.mock import MagicMock, patch
+        import threading
+        from unittest.mock import AsyncMock, MagicMock, patch
 
-        runner = MagicMock()
+        from gateway.run import GatewayRunner
+
+        runner = object.__new__(GatewayRunner)
         runner._running = True
         runner._running_agents = {}
+        runner._running_agents_ts = {}
         runner.adapters = {}
         runner._background_tasks = set()
         runner._pending_messages = {}
         runner._pending_approvals = {}
+        runner._pending_model_notes = {}
         runner._shutdown_event = asyncio.Event()
         runner._exit_reason = None
+        runner._exit_code = None
+        runner._stop_task = None
+        runner._draining = False
+        runner._restart_requested = False
+        runner._restart_task_started = False
+        runner._restart_detached = False
+        runner._restart_via_service = False
+        runner._restart_drain_timeout = 5.0
+        runner._voice_mode = {}
+        runner._session_model_overrides = {}
+        runner._update_prompt_pending = {}
+        runner._busy_input_mode = "interrupt"
+        runner._agent_cache = {}
+        runner._agent_cache_lock = threading.Lock()
+        runner._shutdown_all_gateway_honcho = lambda: None
+        runner._update_runtime_status = MagicMock()
 
         mock_agent_1 = MagicMock()
         mock_agent_2 = MagicMock()
@@ -209,8 +230,6 @@ class TestGatewayCleanupWiring:
             "session-2": mock_agent_2,
         }
 
-        from gateway.run import GatewayRunner
-
         loop = asyncio.new_event_loop()
         try:
             with patch("gateway.status.remove_pid_file"), \