feat(inbounds): apply remark template to Export all inbound links

Export-all now renders links through the subscription engine via a new GET /panel/api/inbounds/allLinks endpoint, so the configured remark template (name-only display part) is applied per client -- matching the client info/QR pages. Previously it generated links client-side with a hardcoded inbound-email remark.

Host-aware: managed Host endpoints win over the plain link, so HOST and per-host variants render; duplicate client JSON entries are deduped by email and the list is scoped to the logged-in user.

internal/sub/links.go

@@ -41,6 +41,15 @@ func (p *LinkProvider) LinksForClient(host string, inbound *model.Inbound, email
 	return splitLinkLines(svc.GetLink(inbound, email))
 }
 
+func (p *LinkProvider) LinksForInbounds(host string, inbounds []*model.Inbound) []string {
+	svc := p.build(host)
+	var out []string
+	for _, inbound := range inbounds {
+		out = append(out, svc.inboundLinks(inbound)...)
+	}
+	return out
+}
+
 func splitLinkLines(raw string) []string {
 	if raw == "" {
 		return nil