Implement core SDK skeleton with full chat completion support: - Client with functional options (base URL, HTTP client, timeout, retry) - APIError with sentinel checkers (IsNotFound, IsRateLimit, IsAuth) - Chat types: Message (sealed interface, 4 types), ContentChunk (sealed interface, 7 types), Content (string|null|chunks union), Tool, ToolCall, ToolChoice, ResponseFormat with custom JSON marshal/unmarshal - CompletionRequest/Response with discriminated union dispatch - ChatComplete method with httptest-based tests (54 tests, all passing)
56 lines
2.0 KiB
Go
56 lines
2.0 KiB
Go
package chat
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import "encoding/json"
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// PromptMode controls the reasoning behavior of the model.
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type PromptMode string
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const (
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PromptModeReasoning PromptMode = "reasoning"
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)
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// Prediction provides expected completion content for optimization.
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type Prediction struct {
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Type string `json:"type"`
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Content string `json:"content"`
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}
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// CompletionRequest represents a chat completion request.
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type CompletionRequest struct {
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Model string `json:"model"`
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Messages []Message `json:"-"`
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Temperature *float64 `json:"temperature,omitempty"`
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TopP *float64 `json:"top_p,omitempty"`
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MaxTokens *int `json:"max_tokens,omitempty"`
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Stop []string `json:"stop,omitempty"`
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RandomSeed *int `json:"random_seed,omitempty"`
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ResponseFormat *ResponseFormat `json:"response_format,omitempty"`
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Tools []Tool `json:"tools,omitempty"`
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ToolChoice *ToolChoice `json:"tool_choice,omitempty"`
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PresencePenalty *float64 `json:"presence_penalty,omitempty"`
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FrequencyPenalty *float64 `json:"frequency_penalty,omitempty"`
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N *int `json:"n,omitempty"`
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SafePrompt bool `json:"safe_prompt,omitempty"`
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ParallelToolCalls *bool `json:"parallel_tool_calls,omitempty"`
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Metadata map[string]any `json:"metadata,omitempty"`
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Prediction *Prediction `json:"prediction,omitempty"`
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PromptMode *PromptMode `json:"prompt_mode,omitempty"`
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stream bool
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}
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// SetStream is used internally to set the stream field.
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func (r *CompletionRequest) SetStream(v bool) { r.stream = v }
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func (r *CompletionRequest) MarshalJSON() ([]byte, error) {
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type Alias CompletionRequest
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return json.Marshal(&struct {
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Messages []Message `json:"messages"`
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Stream bool `json:"stream"`
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*Alias
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}{
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Messages: r.Messages,
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Stream: r.stream,
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Alias: (*Alias)(r),
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})
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}
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