清理測試目錄：刪除臨時和空目錄

刪除項目：
- tests/e2e/ (空目錄)
- tests/temp_output/ (測試臨時輸出)
- tests/__pycache__/ (Python快取)

更新 .gitignore：
- 新增 tests/temp_output/, tests/e2e/, .benchmarks/ 到忽略清單

保留項目：
- tests/unit/ (單元測試)
- tests/integration/ (整合測試)
- tests/fixtures/ (測試用範例檔案)

🤖 Generated with Claude Code
Co-Authored-By: Claude <noreply@anthropic.com>

.claude/settings.local.json

@@ -3,7 +3,8 @@
     "allow": [
       "Bash(if exist nul del nul)",
       "Bash(git reset:*)",
-      "Bash(git commit:*)"
+      "Bash(git commit:*)",
+      "Bash(find:*)"
     ],
     "deny": [],
     "ask": []