Ephemeral exposures: short-lived site and port or hostname with a TTL, for shark expose

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

store.go

@@ -218,6 +218,8 @@ type Server struct {
 	verAt    time.Time
 	mtaSent  map[string]time.Time // reminder throttle for repeat notifications
 
+	expose map[string]time.Time // deadline of each ephemeral mapping, by ID (see expose.go)
+
 	logs *logStore
 	db   *DB
 	stop chan struct{}
@@ -258,6 +260,7 @@ func New(dir string, opts Options) (*Server, error) {
 		alerts:     map[string]*alertState{},
 		mtaSent:    map[string]time.Time{},
 		updRuns:    map[string]*updRun{},
+		expose:     map[string]time.Time{},
 	}
 	s.st.Sessions = map[string]*Session{}
 	s.st.Secrets = map[string]*Secret{}
@@ -298,6 +301,7 @@ func New(dir string, opts Options) (*Server, error) {
 	}
 	s.loadAlerts()
 	go s.housekeeping()
+	go s.exposeLoop()
 	go s.alertLoop()
 	return s, nil
 }