Hardcode Go default empty response

go-server/internal/config/config.go

@@ -6,6 +6,8 @@ import (
 	"strconv"
 )
 
+const DefaultEmptyResponse = "call this tool `get_user_request` again to fetch latest user input..."
+
 // Config holds all runtime configuration values for local-mcp.
 type Config struct {
 	Host                   string
@@ -13,7 +15,6 @@ type Config struct {
 	DBPath                 string
 	LogLevel               string
 	DefaultWaitSeconds     int
-	DefaultEmptyResponse   string
 	AgentStaleAfterSeconds int
 	MCPStateless           bool
 	APIToken               string
@@ -27,7 +28,6 @@ func Load() Config {
 		DBPath:                 getEnv("DB_PATH", "data/local_mcp.sqlite3"),
 		LogLevel:               getEnv("LOG_LEVEL", "INFO"),
 		DefaultWaitSeconds:     getEnvInt("DEFAULT_WAIT_SECONDS", 10),
-		DefaultEmptyResponse:   getEnv("DEFAULT_EMPTY_RESPONSE", ""),
 		AgentStaleAfterSeconds: getEnvInt("AGENT_STALE_AFTER_SECONDS", 30),
 		MCPStateless:           getEnvBool("MCP_STATELESS", true),
 		APIToken:               getEnv("API_TOKEN", ""),
@@ -58,4 +58,3 @@ func getEnvBool(key string, defaultVal bool) bool {
 	}
 	return defaultVal
 }
-