84 lines
1.9 KiB
Go
84 lines
1.9 KiB
Go
// Copyright (c) 2026 Probo Inc <hello@probo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package agent
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import (
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"context"
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"encoding/json"
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"fmt"
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"reflect"
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"strings"
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"go.probo.inc/probo/pkg/llm"
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)
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type TypedResult[T any] struct {
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Result
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Output T
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}
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func RunTyped[T any](
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ctx context.Context,
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a *Agent,
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messages []llm.Message,
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) (*TypedResult[T], error) {
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typed := a.clone()
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schema, err := jsonSchemaFor[T]()
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if err != nil {
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return nil, fmt.Errorf("cannot create typed runner: %w", err)
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}
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typed.responseFormat = &llm.ResponseFormat{
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Type: llm.ResponseFormatJSONSchema,
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JSONSchema: &llm.JSONSchema{
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Name: typeName[T](),
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Schema: schema,
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Strict: true,
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},
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}
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result, err := typed.Run(ctx, messages)
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if err != nil {
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return nil, err
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}
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text := result.FinalMessage().Text()
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var output T
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if err := json.Unmarshal([]byte(text), &output); err != nil {
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return nil, fmt.Errorf("cannot parse typed output: %w", err)
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}
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return &TypedResult[T]{
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Result: *result,
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Output: output,
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}, nil
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}
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func typeName[T any]() string {
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t := reflect.TypeFor[T]()
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if t.Kind() == reflect.Pointer {
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t = t.Elem()
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}
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name := t.Name()
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if name == "" {
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name = "output"
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}
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return strings.ToLower(name)
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}
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