feat: Introduce a new Go-based DeepSeek API proxy with adapters for Claude and OpenAI, including SSE parsing and updated build configurations.

internal/config/models.go

@@ -0,0 +1,55 @@
+package config
+
+type ModelInfo struct {
+	ID         string `json:"id"`
+	Object     string `json:"object"`
+	Created    int64  `json:"created"`
+	OwnedBy    string `json:"owned_by"`
+	Permission []any  `json:"permission,omitempty"`
+}
+
+var DeepSeekModels = []ModelInfo{
+	{ID: "deepseek-chat", Object: "model", Created: 1677610602, OwnedBy: "deepseek", Permission: []any{}},
+	{ID: "deepseek-reasoner", Object: "model", Created: 1677610602, OwnedBy: "deepseek", Permission: []any{}},
+	{ID: "deepseek-chat-search", Object: "model", Created: 1677610602, OwnedBy: "deepseek", Permission: []any{}},
+	{ID: "deepseek-reasoner-search", Object: "model", Created: 1677610602, OwnedBy: "deepseek", Permission: []any{}},
+}
+
+var ClaudeModels = []ModelInfo{
+	{ID: "claude-sonnet-4-20250514", Object: "model", Created: 1715635200, OwnedBy: "anthropic"},
+	{ID: "claude-sonnet-4-20250514-fast", Object: "model", Created: 1715635200, OwnedBy: "anthropic"},
+	{ID: "claude-sonnet-4-20250514-slow", Object: "model", Created: 1715635200, OwnedBy: "anthropic"},
+}
+
+func GetModelConfig(model string) (thinking bool, search bool, ok bool) {
+	switch lower(model) {
+	case "deepseek-chat":
+		return false, false, true
+	case "deepseek-reasoner":
+		return true, false, true
+	case "deepseek-chat-search":
+		return false, true, true
+	case "deepseek-reasoner-search":
+		return true, true, true
+	default:
+		return false, false, false
+	}
+}
+
+func lower(s string) string {
+	b := []byte(s)
+	for i, c := range b {
+		if c >= 'A' && c <= 'Z' {
+			b[i] = c + 32
+		}
+	}
+	return string(b)
+}
+
+func OpenAIModelsResponse() map[string]any {
+	return map[string]any{"object": "list", "data": DeepSeekModels}
+}
+
+func ClaudeModelsResponse() map[string]any {
+	return map[string]any{"object": "list", "data": ClaudeModels}
+}