feat(cli): 新增 felis status、doctor 和 support-bundle，一屏看全平台、按区域列出问题、打出脱敏诊断包

cmd/felis/run.go

@@ -34,6 +34,9 @@ Commands:
   converge          Fill in fields a newer desired spec added to already-installed system servers
   rotate-token      Replace a generated credential and restart what reads it (velocity|limbo|build|ops|registry|forwarding|db; prints the plan, -yes applies; requires root/sudo)
   domain            Move the install to a new root domain on every surface that carries it, or check each one (set|check; requires root/sudo)
+  status            Print the platform at a glance: node, control plane, proxy, servers, backups, host, open alerts (requires root/sudo)
+  doctor            Run every health check once, grouped by area, with where to look next; mails nothing (requires root/sudo)
+  support-bundle    Collect status, doctor, logs and cluster state into one redacted tar.gz to share when asking for help (requires root/sudo)
   watchdog          Check the platform once and mail the owners what has gone wrong (run by felis-watchdog.timer)
   version           Print the build stamp of this binary
   update            Report which platform components have updates available
@@ -84,6 +87,9 @@ var commands = map[string]func(args []string, stdout, stderr io.Writer) int{
 	"version":            cmdVersion,
 	"update":             cmdUpdate,
 	"watchdog":           cmdWatchdog,
+	"status":             cmdStatus,
+	"doctor":             cmdDoctor,
+	"support-bundle":     cmdSupportBundle,
 }
 
 // run dispatches a subcommand. It is separate from main so the router is