Chore: solved some todos

config/config.go

@@ -10,7 +10,7 @@ import (
 type Config struct {
 	ServerConfig    ServerConfig `toml:"SERVICE"`
 	BaseURL         string       `toml:"BASE_URL"`
-	SessionLifetime int          `toml:"SESSION_LIFETIME_SECONDS"`
+	SessionLifetime int64        `toml:"SESSION_LIFETIME_SECONDS"`
 	CookieSecret    string       `toml:"COOKIE_SECRET"`
 	LLMConfig       LLMConfig    `toml:"LLM"`
 }