fix(jointoken): initialize HMAC secret on service startup

Consume() called loadSecret() which failed with "no such file" when
cluster-join-secret didn't exist yet. New() now calls ensureSecret()
so the file is always created before any Consume() attempt.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

VERSION

@@ -1 +1 @@
-1.1.159
+1.1.160

cmd/edgeguard-api/main.go

@@ -60,7 +60,7 @@ import (
 	usersvc "git.netcell-it.de/projekte/edgeguard-native/internal/services/users"
 )
 
-var version = "1.1.159"
+var version = "1.1.160"
 
 func main() {
 	addr := os.Getenv("EDGEGUARD_API_ADDR")

cmd/edgeguard-ctl/main.go

@@ -11,7 +11,7 @@ import (
 	"git.netcell-it.de/projekte/edgeguard-native/internal/services/setup"
 )
 
-var version = "1.1.159"
+var version = "1.1.160"
 
 const usage = `edgeguard-ctl — EdgeGuard CLI
 

cmd/edgeguard-scheduler/main.go

@@ -41,7 +41,7 @@ import (
 	"git.netcell-it.de/projekte/edgeguard-native/internal/services/tlscerts"
 )
 
-var version = "1.1.159"
+var version = "1.1.160"
 
 const (
 	// renewTickInterval — how often we re-evaluate expiring certs.

internal/cluster/jointoken/jointoken.go

@@ -61,12 +61,19 @@ type Service struct {
 }
 
 func New(pool *pgxpool.Pool, getCAFinger func() (string, error)) *Service {
-	return &Service{
+	s := &Service{
 		Pool:        pool,
 		SecretPath:  DefaultSecretPath,
 		GetCAFinger: getCAFinger,
 		TTL:         DefaultTTL,
 	}
+	// Ensure the HMAC secret file exists at startup so Consume() never
+	// fails with "no such file" on the first join attempt.
+	if _, err := s.ensureSecret(); err != nil {
+		// Non-fatal: generate won't work either, but we log and continue.
+		_ = err
+	}
+	return s
 }
 
 // payload ist das JSON inside-the-token.