feat(auth,settings,tasks): add first-boot setup, real login/invites, full-page settings & admin views, multi-channel alarms, and fix null slice crashes

internal/config/config.go

@@ -14,6 +14,14 @@ type Config struct {
 	BaseURL           string
 	AllowRegistration bool
 	LogLevel          string
+
+	// Optional SMTP environment variables (can also be overridden/configured in DB system_settings)
+	SMTPHost string
+	SMTPPort string
+	SMTPUser string
+	SMTPPass string
+	SMTPFrom string
+	SMTPTLS  bool
 }
 
 func Load() *Config {
@@ -30,9 +38,16 @@ func Load() *Config {
 
 	jwtSecret := getEnv("JWT_SECRET", "mindsift-default-selfhosted-jwt-secret-key-2026")
 	baseURL := getEnv("BASE_URL", "http://localhost:"+port)
-	allowReg := strings.ToLower(getEnv("ALLOW_REGISTRATION", "true")) != "false"
+	allowReg := strings.ToLower(getEnv("ALLOW_REGISTRATION", "false")) == "true"
 	logLevel := getEnv("LOG_LEVEL", "info")
 
+	smtpHost := getEnv("SMTP_HOST", "")
+	smtpPort := getEnv("SMTP_PORT", "587")
+	smtpUser := getEnv("SMTP_USER", "")
+	smtpPass := getEnv("SMTP_PASS", "")
+	smtpFrom := getEnv("SMTP_FROM", "")
+	smtpTLS := strings.ToLower(getEnv("SMTP_TLS", "true")) != "false"
+
 	return &Config{
 		Port:              port,
 		DataDir:           dataDir,
@@ -41,6 +56,12 @@ func Load() *Config {
 		BaseURL:           baseURL,
 		AllowRegistration: allowReg,
 		LogLevel:          logLevel,
+		SMTPHost:          smtpHost,
+		SMTPPort:          smtpPort,
+		SMTPUser:          smtpUser,
+		SMTPPass:          smtpPass,
+		SMTPFrom:          smtpFrom,
+		SMTPTLS:           smtpTLS,
 	}
 }