feat: 添加配置文件支持并重构聊天模块

- 新增config.yaml和config.go用于管理配置
- 重构chatmodel.go使用配置初始化模型
- 修改GenerateChatMessage和ChatStream函数签名添加context参数
- 更新main.go加载配置并初始化聊天模型
- 优化错误处理和日志输出

go.mod

@@ -2,6 +2,12 @@ module enio_meowrain
 
 go 1.25
 
+require (
+	github.com/cloudwego/eino v0.7.18
+	github.com/cloudwego/eino-ext/components/model/openai v0.1.7
+	gopkg.in/yaml.v3 v3.0.1
+)
+
 require (
 	github.com/bahlo/generic-list-go v0.2.0 // indirect
 	github.com/buger/jsonparser v1.1.1 // indirect
@@ -9,18 +15,15 @@ require (
 	github.com/bytedance/sonic v1.14.1 // indirect
 	github.com/bytedance/sonic/loader v0.3.0 // indirect
 	github.com/cloudwego/base64x v0.1.6 // indirect
-	github.com/cloudwego/eino v0.7.18 // indirect
-	github.com/cloudwego/eino-ext/components/model/ark v0.1.62 // indirect
-	github.com/cloudwego/eino-ext/components/model/openai v0.1.7 // indirect
 	github.com/cloudwego/eino-ext/libs/acl/openai v0.1.11 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/eino-contrib/jsonschema v1.0.3 // indirect
 	github.com/evanphx/json-patch v0.5.2 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/goph/emperror v0.17.2 // indirect
-	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.9 // indirect
+	github.com/kr/pretty v0.2.0 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/meguminnnnnnnnn/go-openai v0.1.1 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
@@ -31,14 +34,11 @@ require (
 	github.com/sirupsen/logrus v1.9.3 // indirect
 	github.com/slongfield/pyfmt v0.0.0-20220222012616-ea85ff4c361f // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/volcengine/volc-sdk-golang v1.0.23 // indirect
-	github.com/volcengine/volcengine-go-sdk v1.1.49 // indirect
 	github.com/wk8/go-ordered-map/v2 v2.1.8 // indirect
 	github.com/yargevad/filepathx v1.0.0 // indirect
 	golang.org/x/arch v0.11.0 // indirect
+	golang.org/x/crypto v0.32.0 // indirect
 	golang.org/x/exp v0.0.0-20230713183714-613f0c0eb8a1 // indirect
 	golang.org/x/sys v0.29.0 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
-	gopkg.in/yaml.v2 v2.2.8 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 )