chore(gitignore): 限定 /public、/reports 与 /test(s)/，避免误忽略前端必要文件

.gitignore

@@ -248,7 +248,7 @@ dist
 
 # Gatsby files
 .cache/
-public
+/public
 
 # Storybook build outputs
 .out
@@ -301,7 +301,7 @@ data/
 *.xlsx
 
 # 报告和输出
-reports/
+/reports/
 output/
 exports/
 
@@ -320,7 +320,7 @@ test_*.py
 *_test.py
 tests/test_*.py
 tests/*_test.py
-test/
+/test/
 tests/output/
 tests/reports/
 tests/coverage/
@@ -337,8 +337,8 @@ tests/artifacts/
 *.spec.jsx
 *.spec.tsx
 __tests__/
-test/
-tests/
+/test/
+/tests/
 *.test.snap
 coverage/
 .nyc_output/