[moz] fix(test): 补修 test_e2e_v31/test_four_phase 的 sys.path 污染

PR #110 遗漏的两个文件，同样在模块级执行 sys.path.insert(DEPLOY_DIR)
导致 CI 中 src 模块从安装目录加载。统一加 allow_module_level skip guard。

- tests/e2e/test_e2e_v31.py
- tests/e2e/test_four_phase.py

tests/e2e/test_e2e_v31.py

@@ -1,12 +1,11 @@
 import pytest
+import os
+
+if not os.environ.get("RUN_INTEGRATION"):
+    pytest.skip("E2E tests require RUN_INTEGRATION=1", allow_module_level=True)
 
 pytestmark = pytest.mark.e2e
 
-skip_no_integration = pytest.mark.skipif(
-    not __import__("os").environ.get("RUN_INTEGRATION"),
-    reason="Set RUN_INTEGRATION=1 to run E2E tests against real daemon",
-)
-
 """v3.1 端到端测试 — 新增场景覆盖
 
 覆盖 v3.1 新增功能：
@@ -22,7 +21,6 @@ skip_no_integration = pytest.mark.skipif(
 """
 
 import json
-import os
 import sqlite3
 import sys
 import time
@@ -31,7 +29,6 @@ from datetime import datetime, timedelta
 from pathlib import Path
 from typing import Any, Dict, Optional
 
-import pytest
 import requests as http_requests
 
 # ── 路径设置 ──

tests/e2e/test_four_phase.py

@@ -1,10 +1,11 @@
 import os
+import sys
 import pytest
 
-pytestmark = [pytest.mark.e2e, pytest.mark.skipif(
-    not os.environ.get("RUN_INTEGRATION"),
-    reason="Set RUN_INTEGRATION=1 to run E2E tests",
-)]
+if not os.environ.get("RUN_INTEGRATION"):
+    pytest.skip("E2E tests require RUN_INTEGRATION=1", allow_module_level=True)
+
+pytestmark = [pytest.mark.e2e]
 
 """#01 四相循环 单元测试
 
@@ -23,13 +24,10 @@ pytestmark = [pytest.mark.e2e, pytest.mark.skipif(
 
 import asyncio
 import json
-import sys
 from pathlib import Path
 from typing import Any, Dict, List, Optional
 from unittest.mock import AsyncMock, MagicMock, patch
 
-import pytest
-
 # ── 路径设置 ──
 DEPLOY_DIR = Path.home() / ".sanguo_projects" / "sanguo_moziplus_v2"
 SRC_DIR = DEPLOY_DIR / "src"