feat: node management enhancements and UX improvements (#297)

* feat(nodes): add renewal cycle and auto-advance scheduling

- Add renewal_cycle field to nodes for tracking paid vs free cycles
- Implement auto-advance scheduling when renewal is processed
- Add migration test for renewal_cycle column
- Update dashboard to show renewal cycle count
- Add renewal status display on node detail page

* fix(frontend): show rule count in compact view mode for forward pages

* style(frontend): format code and improve node card layout

Entire-Checkpoint: 08b760b76538

* fix: restore renewal.ts from main to resolve build errors

.entire/metadata/ses_3323e2b06ffeI9V7enA83UMWHr/prompt.txt

@@ -0,0 +1,5 @@
+提交全部变更并且push，创建pr并且合并，合并后推送新tag，在已有的tag 递增 alpha版本
+
+---
+
+提交全部变更并且push，创建pr并且合并，合并后推送新tag，在已有的tag 递增 alpha版本

.entire/metadata/ses_3323e2b06ffeI9V7enA83UMWHr/summary.txt

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+当前没有新的变更需要提交。工作目录干净，只有 `.entire/metadata/` 临时文件。最新 tag 是 `2.1.8-alpha4`。
+
+如有新变更需要提交，请先进行修改。