feat(nodectl): notice add/list/revoke 子命令(校验+审计+可选邮件)

server/cmd/nodectl/main.go

@@ -67,9 +67,16 @@ nodectl — elastic-node control plane CLI
   nodectl rotate-pool -pool=consumable|premium [-concurrency=1]
   nodectl providers   [-pool=consumable|premium]
   nodectl bootstrap-token -node=UUID
+  nodectl notice add  -type=<important|feature|news|reward|version|promo>
+                       -title-zh=... -title-en=... [-body-zh=...] [-body-en=...]
+                       [-link=...] [-expires=YYYY-MM-DD] [-email]
+  nodectl notice list [-all] [-limit=20]
+  nodectl notice revoke <id>
 
 Config via env: DB_DSN, REDIS_ADDR, REDIS_PASSWORD, PROVISION_CONTROL_PLANE_URL,
-                PROVISION_CLOUD_INIT_TMPL, PROVISION_<VENDOR>_* credentials.`))
+                PROVISION_CLOUD_INIT_TMPL, PROVISION_<VENDOR>_* credentials,
+                SMTP_HOST/SMTP_PORT/SMTP_USERNAME/SMTP_PASSWORD/SMTP_FROM
+                (notice add -email; unset = -email rejected with an error).`))
 }
 
 func buildService(ctx context.Context) (*provision.Service, func(), error) {
@@ -118,6 +125,8 @@ func run(ctx context.Context, cmd string, args []string) error {
 		return cmdProviders(ctx, args)
 	case "bootstrap-token":
 		return cmdBootstrapToken(ctx, args)
+	case "notice":
+		return cmdNotice(ctx, args)
 	case "-h", "--help", "help":
 		usage()
 		return nil