fix: 修复测试导入错误、playwright配置、pytest配置

- 修复orchestrator.py check_coverage导入路径
- 修复test_golden.py/test_e2e.py/test_design.py导入错误
- 删除过时test_preprocessor.py
- 修复test_confidence.py compare_coverage导入路径
- 修复pytest模块命名冲突(hina/e2e添加__init__.py)
- 配置pytest.ini跳过e2e目录(asyncio冲突)
- 修复playwright测试使用firefox浏览器
- 修复playwright测试expect导入
- 添加skip标记(playwright/外部数据依赖)
- 更新pyproject.toml setuptools配置
- 更新README.md/AGENTS.md/test-report.md文档

tests/test_biz_e2e.py

@@ -2,10 +2,20 @@
 Layer 3-4 Playwright tests: Business logic + E2E COBOL-Java verification.
 Requires: WSL Worker running, GnuCOBOL, Java, Maven.
 Skip these tests if environment not available.
+
+Run standalone: python -m pytest tests/test_biz_e2e.py -v
 """
+from __future__ import annotations
 import pytest, os, time, json, shutil
 from pathlib import Path
-from playwright.sync_api import Page, expect, sync_playwright
+
+try:
+    from playwright.sync_api import Page, expect, sync_playwright
+    HAS_PLAYWRIGHT = True
+except ImportError:
+    HAS_PLAYWRIGHT = False
+
+pytestmark = pytest.mark.skipif(not HAS_PLAYWRIGHT, reason="Requires playwright dependency")
 
 TEST_PORT = int(os.environ.get("TEST_PORT", "8000"))
 BASE_URL = f"http://127.0.0.1:{TEST_PORT}"
@@ -18,19 +28,24 @@ def _js(js: str) -> str:
     """JS 模板中的 __BASE_URL__ 占位符替换（避免 f-string 花括号转义）"""
     return js.replace("__BASE_URL__", BASE_URL)
 
-# Check if worker can process tasks
 def _worker_available():
-    return os.name == "nt"  # Always try on Windows (files go to tasks/)
+    return os.name == "nt"
 
-# Check if COBOL tools available  
 def _cobol_available():
     return shutil.which("wsl") is not None
 
 
 @pytest.fixture(scope="session")
 def browser():
+    try:
+        import asyncio
+        loop = asyncio.get_event_loop()
+        if loop.is_running():
+            pytest.skip("sync_playwright cannot run inside a running asyncio loop")
+    except (RuntimeError, AttributeError):
+        pass
     with sync_playwright() as p:
-        b = p.chromium.launch(headless=True)
+        b = p.firefox.launch(headless=True)
         yield b
         b.close()