test: repoint WSL/container probe patches to hermes_platform.host.runtime (group B)

The probe cache now belongs to hermes_platform.host.runtime.
Call-site name patches stay where production resolves them.

tests/acp_adapter/test_session.py

@@ -46,7 +46,7 @@ class TestCreateSession:
             captured["task_id"] = task_id
             captured["overrides"] = overrides
 
-        monkeypatch.setattr("hermes_constants._wsl_detected", True)
+        monkeypatch.setattr("hermes_platform.host.runtime._wsl_detected", True)
         monkeypatch.setattr(
             "tools.terminal_tool.register_task_env_overrides",
             fake_register_task_env_overrides,
@@ -204,7 +204,7 @@ class TestCreateSession:
 
 class TestWslCwdTranslation:
     def test_translate_acp_cwd_converts_windows_drive_path_when_wsl(self, monkeypatch):
-        monkeypatch.setattr("hermes_constants._wsl_detected", True)
+        monkeypatch.setattr("hermes_platform.host.runtime._wsl_detected", True)
 
         assert acp_session._translate_acp_cwd(r"E:\Projects\AI\paperclip") == "/mnt/e/Projects/AI/paperclip"
 
@@ -213,7 +213,7 @@ class TestWslCwdTranslation:
 
 
     def test_fork_session_stores_translated_cwd_on_wsl(self, manager, monkeypatch):
-        monkeypatch.setattr("hermes_constants._wsl_detected", True)
+        monkeypatch.setattr("hermes_platform.host.runtime._wsl_detected", True)
         original = manager.create_session(cwd="/tmp/base")
 
         forked = manager.fork_session(original.session_id, cwd=r"D:\work\project")
@@ -222,7 +222,7 @@ class TestWslCwdTranslation:
         assert forked.cwd == "/mnt/d/work/project"
 
     def test_update_cwd_stores_translated_cwd_on_wsl(self, manager, monkeypatch):
-        monkeypatch.setattr("hermes_constants._wsl_detected", True)
+        monkeypatch.setattr("hermes_platform.host.runtime._wsl_detected", True)
         state = manager.create_session(cwd="/tmp/old")
 
         updated = manager.update_cwd(state.session_id, cwd=r"C:\Users\foo\project")

tests/tools/test_clipboard.py

@@ -17,6 +17,7 @@ from unittest.mock import patch, MagicMock, mock_open
 
 import pytest
 
+from hermes_platform.host import runtime as host_runtime
 from hermes_cli.clipboard import (
     save_clipboard_image,
     has_clipboard_image,
@@ -173,18 +174,14 @@ class TestMacosClipboardFileUrl:
 
 class TestIsWsl:
     def setup_method(self):
-        # _is_wsl is hermes_constants.is_wsl; reset the function's own module
-        # globals so this stays stable even if hermes_constants was imported
-        # through a different module object earlier in a large xdist run.
-        import hermes_constants
-        hermes_constants._wsl_detected = None
+        # Reset the cache in the module that owns _is_wsl.
+        host_runtime._wsl_detected = None
         _is_wsl.__globals__["_wsl_detected"] = None
 
     def teardown_method(self):
         # Reset again after the test so we don't leak a cached value
         # (True/False) into whichever test the xdist worker runs next.
-        import hermes_constants
-        hermes_constants._wsl_detected = None
+        host_runtime._wsl_detected = None
         _is_wsl.__globals__["_wsl_detected"] = None
 
     @pytest.mark.parametrize("content, expected", [
@@ -343,8 +340,7 @@ class TestLinuxSave:
     """Test that _linux_save dispatches correctly to WSL → Wayland → X11."""
 
     def setup_method(self):
-        import hermes_cli.clipboard as cb
-        cb._wsl_detected = None
+        host_runtime._wsl_detected = None
 
     def test_wsl_tried_first(self, tmp_path):
         dest = tmp_path / "out.png"
@@ -458,8 +454,7 @@ class TestConvertToPng:
 
 class TestHasClipboardImage:
     def setup_method(self):
-        import hermes_cli.clipboard as cb
-        cb._wsl_detected = None
+        host_runtime._wsl_detected = None
 
     @pytest.mark.macos_only
     def test_macos_dispatch(self):