fix(tester): route mobile checks by platform binding

skills/tester/scripts/resolve_agent.py

@@ -180,9 +180,14 @@ def clean_config(config: dict[str, Any]) -> dict[str, Any]:
 def config_from_binding(root: Path, selector: str) -> dict[str, Any]:
     """Materialize a common agent-runtime tester binding for legacy local.yaml."""
 
-    runtime_path = Path(__file__).resolve().parents[3] / "skills" / "agent-runtime" / "scripts" / "agent.py"
-    if not runtime_path.is_file():
-        raise RuntimeError(f"找不到共享 agent-runtime: {runtime_path}")
+    candidates = [
+        Path.home() / ".codex" / "skills" / "agent-runtime" / "scripts" / "agent.py",
+        Path.home() / ".pouch" / "skills" / "agent-runtime" / "scripts" / "agent.py",
+        Path(__file__).resolve().parents[3] / "skills" / "agent-runtime" / "scripts" / "agent.py",
+    ]
+    runtime_path = next((item for item in candidates if item.is_file()), None)
+    if runtime_path is None:
+        raise RuntimeError("找不到共享 agent-runtime: " + ", ".join(str(item) for item in candidates))
     spec = importlib.util.spec_from_file_location("pouch_agent_runtime", runtime_path)
     if spec is None or spec.loader is None:
         raise RuntimeError(f"无法加载共享 agent-runtime: {runtime_path}")