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backend/internal/domain/llm.go

@@ -20,7 +20,48 @@ type LLMModel struct {
 	Detail     *LLMModelDetail `json:"detail"`
 }
 
+type Message struct {
+	Role       string
+	Content    string
+	ToolCalls  []ToolCall
+	ToolCallID string
+
+	//Reasoning *Reasoning
+}
+
+type Tool struct {
+}
+
+type ToolCall struct {
+}
+
+type Chunk struct {
+	Content string
+}
+
+type StreamParams struct {
+	Tools   []*Tool
+	OnChunk func(chunk *Chunk)
+	OnDebug func()
+}
+
+type Role string
+
+const (
+	RoleSystem    Role = "system"
+	RoleUser      Role = "user"
+	RoleAssistant Role = "assistant"
+	RoleTool      Role = "tool"
+)
+
 type LLMEngine interface {
 	ListProviderTypes() []Item
 	ListModelsFromProvider(ctx context.Context, provider *Provider) ([]string, error)
+	Stream(
+		ctx context.Context,
+		provider *Provider,
+		modelID string,
+		params *StreamParams,
+		messages []*Message,
+	) error
 }