fix: 清除硬编码API Key与机器特定路径，改用环境变量+混合式路径解析

tests/runners/test_sqlcode_normalize.py

@@ -40,10 +40,10 @@ def test_normalize_injects_mapping_after_endsql(tmp_path):
     assert "SQLCODE = -2067" in out
 
 
-def test_normalize_mapping_before_if_sqlcode():
+def test_normalize_mapping_before_if_sqlcode(tmp_path):
     """映射代码注入在 IF SQLCODE = -803 判断之前"""
     r = _make_runner()
-    pp = Path(r'C:\Users\marye\AppData\Local\Temp\opencode\t3_pp.cbl')
+    pp = tmp_path / "t3_pp.cbl"
     pp.parent.mkdir(parents=True, exist_ok=True)
     pp.write_text(_pp_text_with_if(), encoding="utf-8")
     r._patch_sqlcode_normalize(pp)
@@ -56,10 +56,10 @@ def test_normalize_mapping_before_if_sqlcode():
     assert mapping_idx < if_idx
 
 
-def test_normalize_does_not_change_ok_path():
+def test_normalize_does_not_change_ok_path(tmp_path):
     """归一化不影响 SQLCODE=0 成功路径"""
     r = _make_runner()
-    pp = Path(r'C:\Users\marye\AppData\Local\Temp\opencode\t3b_pp.cbl')
+    pp = tmp_path / "t3b_pp.cbl"
     pp.write_text(_pp_text_with_if(), encoding="utf-8")
     r._patch_sqlcode_normalize(pp)
     out = pp.read_text(encoding="utf-8")