fix: address tool safety review feedback

Author: impself

.gitignore

@@ -20,6 +20,8 @@ cov.tmp
 coverage.xml
 test-ngtest-ut-trpc-agent-py.xml
 .pytest_cache
+/.pytest-tmp-*
+/tool_safety_audit.jsonl
 
 node_modules
 package-lock.json

docs/mkdocs/en/tool_safety_guard.md

@@ -350,7 +350,7 @@ execution resumes.
 ## Test plan
 
 ```bash
-python -m pytest tests/tool_safety/ -v
+python -m pytest tests/tools/safety/ -v
 ```
 
 Coverage:
@@ -396,7 +396,7 @@ tool/
     wrapper.py                  # SafetyWrappedCallable, SafetyCheckedExecutor
 scripts/
   tool_safety_check.py          # CLI
-tests/tool_safety/              # safety guard tests
+tests/tools/safety/             # unit and acceptance tests
 trpc_agent_sdk/tools/safety/examples/
   tool_safety_policy.yaml       # sample policy
   samples/                      # 14 public samples + manifest

docs/mkdocs/zh/tool_safety_guard.zh_CN.md

@@ -335,7 +335,7 @@ guard = ToolSafetyGuard(
 ## 测试
 
 ```bash
-python -m pytest tests/tool_safety/ -v
+python -m pytest tests/tools/safety/ -v
 ```
 
 测试覆盖模型与策略校验、脱敏、Python AST 扫描、Bash lexer-lite、跨字段检查、
@@ -355,7 +355,7 @@ trpc_agent_sdk/tools/safety/    # Guard、策略、规则、扫描器、审计
     manifest_run.json           # 14 份完整报告及预期结果核对
 scripts/
   tool_safety_check.py          # CLI
-tests/tool_safety/              # 安全检查器测试
+tests/tools/safety/             # 单元测试和验收测试
 docs/
   tool_safety_guard.md          # English version
   tool_safety_guard.zh_CN.md    # 本文