feat: 优化CI/CD流程 - 自定义工具镜像、修复TLS问题、添加镜像清理脚本

- 创建轻量级工具镜像(novalon/tools:1.0.0)避免重复安装工具
- 修复Docker TLS handshake timeout问题
- 更新CI配置使用registry.f.novalon.cn/novalon/tools:1.0.0
- 添加自动清理脚本用于磁盘和镜像管理

.gitignore

@@ -283,9 +283,30 @@ task_plan.md
 progress.md
 findings.md
 
+# ============================================================
+# Large Files (should not be in Git history)
+# ============================================================
+dist.tar.gz
+*.tar.gz
+*.zip
+*.gz
+
+# Font files (large binary files)
+public/fonts/*.ttf
+public/fonts/*.otf
+public/fonts/*.woff
+public/fonts/*.woff2
+
 # ============================================================
 # IMPORTANT NOTES
 # ============================================================
 # Visual regression snapshots should be committed to version control
 # These are in: e2e/src/tests/visual/**/*-snapshots/
 # Git will track them because they are not in test-results/ or allure-results/
+
+# ============================================================
+# WARNING
+# ============================================================
+# If you have already committed large files to Git history, run:
+# scripts/git-cleanup.sh to remove them from history
+# Then force push: git push --force --all