feat: 增加内存存储

internal/config/manager.go

@@ -47,6 +47,7 @@ type Config struct {
 	CORS        types.CORSConfig        `json:"cors"`
 	Performance types.PerformanceConfig `json:"performance"`
 	Log         types.LogConfig         `json:"log"`
+	RedisDSN    string                  `json:"redis_dsn"`
 }
 
 // NewManager creates a new configuration manager
@@ -109,6 +110,7 @@ func (m *Manager) ReloadConfig() error {
 			FilePath:      getEnvOrDefault("LOG_FILE_PATH", "logs/app.log"),
 			EnableRequest: parseBoolean(os.Getenv("LOG_ENABLE_REQUEST"), true),
 		},
+		RedisDSN: os.Getenv("REDIS_DSN"),
 	}
 	m.config = config
 
@@ -122,6 +124,11 @@ func (m *Manager) ReloadConfig() error {
 	return nil
 }
 
+// GetConfig returns the raw config struct
+func (m *Manager) GetConfig() *Config {
+	return m.config
+}
+
 // GetAuthConfig returns authentication configuration
 func (m *Manager) GetAuthConfig() types.AuthConfig {
 	return m.config.Auth
@@ -142,6 +149,11 @@ func (m *Manager) GetLogConfig() types.LogConfig {
 	return m.config.Log
 }
 
+// GetRedisDSN returns the Redis DSN string.
+func (m *Manager) GetRedisDSN() string {
+	return m.config.RedisDSN
+}
+
 // GetEffectiveServerConfig returns server configuration merged with system settings
 func (m *Manager) GetEffectiveServerConfig() types.ServerConfig {
 	config := m.config.Server