fix(redis): add maintenance notification startup switch

Default Redis maintenance notification negotiation to disabled and apply the startup-only setting to both platform and Asynq clients.

internal/config/config.go

@@ -253,6 +253,7 @@ func applyEnvOverrides(c *configModel) {
 	c.Redis.DB = envInt("REDIS_DB", c.Redis.DB)
 	c.Redis.KeyPrefix = envStr("REDIS_KEY_PREFIX", c.Redis.KeyPrefix)
 	c.Redis.PoolSize = envInt("REDIS_POOL_SIZE", c.Redis.PoolSize)
+	c.Redis.MaintNotifications = envBool("REDIS_MAINT_NOTIFICATIONS", c.Redis.MaintNotifications)
 
 	// ─── ClickHouse ───
 	if v, ok := os.LookupEnv("CLICKHOUSE_HOST"); ok {

internal/config/config_test.go

@@ -0,0 +1,14 @@
+package config
+
+import "testing"
+
+func TestApplyEnvOverridesRedisMaintNotifications(t *testing.T) {
+	t.Setenv("REDIS_MAINT_NOTIFICATIONS", "true")
+
+	cfg := &configModel{}
+	applyEnvOverrides(cfg)
+
+	if !cfg.Redis.MaintNotifications {
+		t.Fatal("REDIS_MAINT_NOTIFICATIONS=true was not applied")
+	}
+}

internal/config/model.go

@@ -88,22 +88,23 @@ type clickHouseConfig struct {
 
 // redisConfig Redis配置
 type redisConfig struct {
-	Enabled         bool     `mapstructure:"enabled"`
-	Addrs           []string `mapstructure:"addrs"`
-	Username        string   `mapstructure:"username"`
-	Password        string   `mapstructure:"password"`
-	DB              int      `mapstructure:"db"`
-	ClusterMode     bool     `mapstructure:"cluster_mode"`
-	MasterName      string   `mapstructure:"master_name"`
-	KeyPrefix       string   `mapstructure:"key_prefix"`
-	PoolSize        int      `mapstructure:"pool_size"`
-	MinIdleConn     int      `mapstructure:"min_idle_conn"`
-	DialTimeout     int      `mapstructure:"dial_timeout"`
-	ReadTimeout     int      `mapstructure:"read_timeout"`
-	WriteTimeout    int      `mapstructure:"write_timeout"`
-	MaxRetries      int      `mapstructure:"max_retries"`
-	PoolTimeout     int      `mapstructure:"pool_timeout"`
-	ConnMaxIdleTime int      `mapstructure:"conn_max_idle_time"`
+	Enabled            bool     `mapstructure:"enabled"`
+	Addrs              []string `mapstructure:"addrs"`
+	Username           string   `mapstructure:"username"`
+	Password           string   `mapstructure:"password"`
+	DB                 int      `mapstructure:"db"`
+	ClusterMode        bool     `mapstructure:"cluster_mode"`
+	MasterName         string   `mapstructure:"master_name"`
+	KeyPrefix          string   `mapstructure:"key_prefix"`
+	PoolSize           int      `mapstructure:"pool_size"`
+	MinIdleConn        int      `mapstructure:"min_idle_conn"`
+	DialTimeout        int      `mapstructure:"dial_timeout"`
+	ReadTimeout        int      `mapstructure:"read_timeout"`
+	WriteTimeout       int      `mapstructure:"write_timeout"`
+	MaxRetries         int      `mapstructure:"max_retries"`
+	PoolTimeout        int      `mapstructure:"pool_timeout"`
+	ConnMaxIdleTime    int      `mapstructure:"conn_max_idle_time"`
+	MaintNotifications bool     `mapstructure:"maint_notifications"`
 }
 
 // logConfig 日志配置