Merge pull request #42 from VictoriaMetrics-Community/heartbeat-disable

implemented an ability to disable the heartbeat interval (MCP_HEARTBEAT_INTERVAL=0)

Author: Amper

cmd/mcp-victorialogs/config/config.go

@@ -50,15 +50,15 @@ func InitConfig() (*Config, error) {
 }
 }
 
-var heartbeatInterval time.Duration
+heartbeatInterval := 30 * time.Second
 heartbeatIntervalStr := os.Getenv("MCP_HEARTBEAT_INTERVAL")
 if heartbeatIntervalStr != "" {
 interval, err := time.ParseDuration(heartbeatIntervalStr)
 if err != nil {
 return nil, fmt.Errorf("failed to parse MCP_HEARTBEAT_INTERVAL: %w", err)
 }
-if interval <= 0 {
-return nil, fmt.Errorf("MCP_HEARTBEAT_INTERVAL must be greater than 0")
+if interval < 0 {
+return nil, fmt.Errorf("MCP_HEARTBEAT_INTERVAL must be a non-negative")
 }
 heartbeatInterval = interval
 }
@@ -132,9 +132,6 @@ func (c *Config) IsToolDisabled(toolName string) bool {
 }
 
 func (c *Config) HeartbeatInterval() time.Duration {
-if c.heartbeatInterval <= 0 {
-return 30 * time.Second // Default heartbeat interval
-}
 return c.heartbeatInterval
 }