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_332cb6fa9ffehf0BwC73iSeZUR/context.md

@@ -0,0 +1,14 @@
+# Session Context
+
+Session ID: ses_332cb6fa9ffehf0BwC73iSeZUR
+Commit Message: 你好
+
+## Prompts
+
+### Prompt 1
+
+你好
+
+## Summary
+
+你好！我在这儿。要我帮你看代码、改功能、排查报错，还是跑命令都可以。