feat: add moonshot kimi k2.5 support

internal/config/config.go

@@ -33,6 +33,7 @@ type ProviderConfig struct {
 	OpenAI   OpenAIConfig   `mapstructure:"openai"`
 	Gemini   GeminiConfig   `mapstructure:"gemini"`
 	DeepSeek DeepSeekConfig `mapstructure:"deepseek"`
+	Moonshot MoonshotConfig `mapstructure:"moonshot"`
 	Grok     GrokConfig     `mapstructure:"grok"`
 	Ollama   OllamaConfig   `mapstructure:"ollama"`
 }
@@ -58,6 +59,13 @@ type DeepSeekConfig struct {
 	Enabled      bool   `mapstructure:"enabled"`
 }
 
+type MoonshotConfig struct {
+	APIKeyEnv    string `mapstructure:"api_key_env"`
+	BaseURL      string `mapstructure:"base_url"`
+	DefaultModel string `mapstructure:"default_model"`
+	Enabled      bool   `mapstructure:"enabled"`
+}
+
 type GrokConfig struct {
 	APIKeyEnv    string `mapstructure:"api_key_env"`
 	BaseURL      string `mapstructure:"base_url"`
@@ -97,6 +105,11 @@ func Load() (*Config, error) {
 	v.SetDefault("providers.deepseek.default_model", "deepseek-reasoner")
 	v.SetDefault("providers.deepseek.enabled", true)
 
+	v.SetDefault("providers.moonshot.api_key_env", "MOONSHOT_API_KEY")
+	v.SetDefault("providers.moonshot.base_url", "https://api.moonshot.ai/v1")
+	v.SetDefault("providers.moonshot.default_model", "kimi-k2.5")
+	v.SetDefault("providers.moonshot.enabled", true)
+
 	v.SetDefault("providers.grok.api_key_env", "GROK_API_KEY")
 	v.SetDefault("providers.grok.base_url", "https://api.x.ai/v1")
 	v.SetDefault("providers.grok.default_model", "grok-4-1-fast-non-reasoning")
@@ -178,6 +191,8 @@ func (c *Config) GetAPIKey(provider string) (string, error) {
 		envVar = c.Providers.Gemini.APIKeyEnv
 	case "deepseek":
 		envVar = c.Providers.DeepSeek.APIKeyEnv
+	case "moonshot":
+		envVar = c.Providers.Moonshot.APIKeyEnv
 	case "grok":
 		envVar = c.Providers.Grok.APIKeyEnv
 	default: