test(stabilization): Resolve run_linear API drift and implement vlogger high-signal reporting

tests/conftest.py

@@ -5,13 +5,11 @@ import requests
 import os
 import signal
 import sys
-from typing import Generator
-import os
+from typing import Generator, Any
 
 # Ensure project root is in path
 sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), "..")))
 
-from api_hook_client import ApiHookClient
 import ai_client
 
 @pytest.fixture(autouse=True)
@@ -22,6 +20,16 @@ def reset_ai_client() -> Generator[None, None, None]:
  ai_client.set_provider("gemini", "gemini-2.5-flash-lite")
  yield
 
+class VisualLogger:
+ def log_state(self, label: str, before: Any, after: Any) -> None:
+  print(f"[STATE] {label}: {before} -> {after}")
+ def finalize(self, title: str, status: str, result: str) -> None:
+  print(f"[FINAL] {title}: {status} - {result}")
+
+@pytest.fixture
+def vlogger() -> VisualLogger:
+ return VisualLogger()
+
 def kill_process_tree(pid: int | None) -> None:
  """Robustly kills a process and all its children."""
  if pid is None:
@@ -83,6 +91,7 @@ def live_gui() -> Generator[tuple[subprocess.Popen, str], None, None]:
   print(f"\n[Fixture] Finally block triggered: Shutting down {gui_script}...")
   # Reset the GUI state before shutting down
   try:
+   from api_hook_client import ApiHookClient
    client = ApiHookClient()
    client.reset_session()
    time.sleep(0.5)