feat: allow changing tunnel when editing forward rules

- Add tunnelId field to ForwardUpdateDto
- Refactor updateForward to support tunnel change:
  - Release old tunnel resources (GOST services + ForwardPort)
  - Allocate new tunnel resources with proper rollback
  - Preserve flow statistics (inFlow/outFlow)
- Remove tunnel selector disabled state in forward.tsx
- Bump version to 2.0.9

vite-frontend/src/config/site.ts

@@ -4,7 +4,7 @@ export type SiteConfig = typeof siteConfig;
 
 // 缓存相关常量
 const CACHE_PREFIX = 'vite_config_';
-const VERSION = "2.0.7-beta";
+const VERSION = "2.0.9";
 const APP_VERSION = "1.0.3";
 const GITHUB_REPO = import.meta.env.VITE_GITHUB_REPO || "https://github.com/Sagit-chu/flux-panel";
 

vite-frontend/src/pages/forward.tsx

@@ -1606,8 +1606,7 @@ export default function ForwardPage() {
                       isInvalid={!!errors.tunnelId}
                       errorMessage={errors.tunnelId}
                       variant="bordered"
-                      isDisabled={isEdit}
-                      description={isEdit ? "编辑时无法修改关联隧道" : undefined}
+                      description={isEdit ? "更改隧道将释放原端口并在新隧道分配端口" : undefined}
                     >
                       {tunnels.map((tunnel) => (
                         <SelectItem key={tunnel.id} >