refactor: 重构配置管理，使用强类型配置结构并更新相关代码

handler/headmaster/headmaster.go

@@ -46,14 +46,14 @@ func headmasterHandler(msg model.Message) (reply model.Reply) {
 }
 
 func ask(from string, question string) (reply string) {
-	llmConfig := openai.DefaultAzureConfig(config.ConfigManager.GetProperty("openai_api_key"), config.ConfigManager.GetProperty("openai_api_base_url"))
+	llmConfig := openai.DefaultAzureConfig(config.ConfigManager.GetConfig().OpenaiApiKey, config.ConfigManager.GetConfig().OpenaiApiBaseUrl)
 	llmConfig.APIType = openai.APITypeOpenAI
 	llmConfig.APIVersion = ""
 	client := openai.NewClientWithConfig(llmConfig)
 	resp, err := client.CreateChatCompletion(
 		context.Background(),
 		openai.ChatCompletionRequest{
-			Model:    config.ConfigManager.GetProperty("openai_model_name"),
+			Model:    config.ConfigManager.GetConfig().OpenaiModelName,
 			Messages: GenRequestFromUsr(from, question),
 			// Tools: []openai.Tool{
 			// 	{
@@ -91,7 +91,7 @@ func GenRequestFromUsr(from string, question string) []openai.ChatCompletionMess
 		histories[from] = make([]openai.ChatCompletionMessage, 0)
 		histories[from] = append(histories[from], openai.ChatCompletionMessage{
 			Role:    openai.ChatMessageRoleSystem,
-			Content: config.ConfigManager.GetProperty("openai_prompt"),
+			Content: config.ConfigManager.GetConfig().OpenaiPrompt,
 		},
 		)
 	}
@@ -112,7 +112,7 @@ func AppendReplyToHistory(from string, reply string) {
 		histories[from] = histories[from][1:]
 		histories[from][0] = openai.ChatCompletionMessage{
 			Role:    openai.ChatMessageRoleSystem,
-			Content: config.ConfigManager.GetProperty("openai_prompt"),
+			Content: config.ConfigManager.GetConfig().OpenaiPrompt,
 		}
 	}
 }

handler/steamplaying/service.go

@@ -19,8 +19,8 @@ var SteamAPIKey = ""
 var ProxyAddr = ""
 
 func init() {
-	SteamAPIKey = config.ConfigManager.GetProperty("steam_api_key")
-	ProxyAddr = config.ConfigManager.GetProperty("proxy_addr")
+	SteamAPIKey = config.ConfigManager.GetConfig().SteamApiKey
+	ProxyAddr = config.ConfigManager.GetConfig().ProxyAddr
 }
 
 func init() {