fix(telegram): add request timeout for notifications

internal/config/config.go

@@ -66,12 +66,14 @@ type DBConfig struct {
 }
 
 type TelegramConfig struct {
-	BotToken     string `env:"BOT_TOKEN"`
-	ChatID       int64  `env:"CHAT_ID"`
-	NotifyInfo   bool   `env:"NOTIFY_INFO" envDefault:"true"`
-	NotifyWarn   bool   `env:"NOTIFY_WARN" envDefault:"true"`
-	NotifyAlert  bool   `env:"NOTIFY_ALERT" envDefault:"true"`
-	NotifyReport bool   `env:"NOTIFY_REPORT" envDefault:"true"`
+	BotToken          string `env:"BOT_TOKEN"`
+	ChatID            int64  `env:"CHAT_ID"`
+	NotifyInfo        bool   `env:"NOTIFY_INFO" envDefault:"true"`
+	NotifyWarn        bool   `env:"NOTIFY_WARN" envDefault:"true"`
+	NotifyAlert       bool   `env:"NOTIFY_ALERT" envDefault:"true"`
+	NotifyReport      bool   `env:"NOTIFY_REPORT" envDefault:"true"`
+	RequestTimeoutSec int    `env:"REQUEST_TIMEOUT_SEC" envDefault:"10"`
+	QueueSize         int    `env:"QUEUE_SIZE" envDefault:"256"`
 }
 
 type StrategyConfig struct {
@@ -201,6 +203,12 @@ func (c *Config) Validate() error {
 	if c.TInvest.RequestTimeoutSec <= 0 {
 		return errors.New("TINVEST_REQUEST_TIMEOUT_SEC must be positive")
 	}
+	if c.Telegram.RequestTimeoutSec <= 0 {
+		return errors.New("TELEGRAM_REQUEST_TIMEOUT_SEC must be positive")
+	}
+	if c.Telegram.QueueSize <= 0 {
+		return errors.New("TELEGRAM_QUEUE_SIZE must be positive")
+	}
 	if c.TInvest.TradingCalendarExchange == "" {
 		c.TInvest.TradingCalendarExchange = "MOEX"
 	}

internal/config/config_test.go

@@ -86,6 +86,39 @@ func TestLoadSchedulerKnobsFromEnv(t *testing.T) {
 	}
 }
 
+func TestLoadTelegramQueueDefaults(t *testing.T) {
+	t.Setenv("APP_MODE", "backtest")
+
+	cfg, err := Load()
+	if err != nil {
+		t.Fatal(err)
+	}
+	if cfg.Telegram.RequestTimeoutSec != 10 {
+		t.Fatalf("telegram request timeout=%d, want 10", cfg.Telegram.RequestTimeoutSec)
+	}
+	if cfg.Telegram.QueueSize != 256 {
+		t.Fatalf("telegram queue size=%d, want 256", cfg.Telegram.QueueSize)
+	}
+}
+
+func TestValidateRejectsInvalidTelegramRequestTimeout(t *testing.T) {
+	cfg := minimalBrokerConfig(domain.ModeSandbox)
+	cfg.Telegram.RequestTimeoutSec = 0
+	err := cfg.Validate()
+	if err == nil || !strings.Contains(err.Error(), "TELEGRAM_REQUEST_TIMEOUT_SEC") {
+		t.Fatalf("Validate err=%v, want TELEGRAM_REQUEST_TIMEOUT_SEC requirement", err)
+	}
+}
+
+func TestValidateRejectsInvalidTelegramQueueSize(t *testing.T) {
+	cfg := minimalBrokerConfig(domain.ModeSandbox)
+	cfg.Telegram.QueueSize = 0
+	err := cfg.Validate()
+	if err == nil || !strings.Contains(err.Error(), "TELEGRAM_QUEUE_SIZE") {
+		t.Fatalf("Validate err=%v, want TELEGRAM_QUEUE_SIZE requirement", err)
+	}
+}
+
 func minimalBrokerConfig(mode domain.Mode) Config {
 	return Config{
 		App: AppConfig{
@@ -99,6 +132,10 @@ func minimalBrokerConfig(mode domain.Mode) Config {
 			RequestTimeoutSec: 10,
 		},
 		DB: DBConfig{DSN: "user:pass@tcp(localhost:3306)/bot"},
+		Telegram: TelegramConfig{
+			RequestTimeoutSec: 10,
+			QueueSize:         256,
+		},
 		Execution: ExecutionConfig{
 			EntrySignalTime:     mustTOD("18:10:00"),
 			EntryWindowStart:    mustTOD("18:20:00"),