sub2api/backend/internal/service/openai_messages_todo_guard.go

122 lines
3.1 KiB
Go

package service
import (
"encoding/json"
"strings"
"github.com/Wei-Shaw/sub2api/internal/pkg/apicompat"
)
const (
openAICompatClaudeCodeTodoGuardMarker = "<sub2api-claude-code-todo-guard>"
openAICompatClaudeCodeTodoGuardText = openAICompatClaudeCodeTodoGuardMarker + "\nWhen using Claude Code todo or task tracking tools, keep the visible task list consistent. Do not send final or summary text while any item remains in_progress. Before finishing, asking the user to choose, or reporting a blocker, update the todo list so completed work is completed and deferred work is pending/open; leave an item in_progress only when active work will continue in the same turn.\n</sub2api-claude-code-todo-guard>"
)
func appendOpenAICompatClaudeCodeTodoGuard(req *apicompat.ResponsesRequest) bool {
if req == nil || len(req.Input) == 0 {
return false
}
var items []apicompat.ResponsesInputItem
if err := json.Unmarshal(req.Input, &items); err != nil {
return false
}
if len(items) == 0 || responsesInputItemsContainText(items, openAICompatClaudeCodeTodoGuardMarker) {
return false
}
content, err := json.Marshal([]apicompat.ResponsesContentPart{{
Type: "input_text",
Text: openAICompatClaudeCodeTodoGuardText,
}})
if err != nil {
return false
}
guard := apicompat.ResponsesInputItem{
Type: "message",
Role: "developer",
Content: content,
}
insertAt := 0
for insertAt < len(items) && items[insertAt].Type == "message" && items[insertAt].Role == "developer" {
insertAt++
}
items = append(items, apicompat.ResponsesInputItem{})
copy(items[insertAt+1:], items[insertAt:])
items[insertAt] = guard
input, err := json.Marshal(items)
if err != nil {
return false
}
req.Input = input
return true
}
func appendOpenAICompatClaudeCodeTodoGuardToRequestBody(reqBody map[string]any) bool {
if reqBody == nil {
return false
}
input, ok := reqBody["input"].([]any)
if !ok || len(input) == 0 || inputContainsText(input, openAICompatClaudeCodeTodoGuardMarker) {
return false
}
guard := map[string]any{
"type": "message",
"role": "developer",
"content": []any{
map[string]any{
"type": "input_text",
"text": openAICompatClaudeCodeTodoGuardText,
},
},
}
insertAt := 0
for insertAt < len(input) {
item, ok := input[insertAt].(map[string]any)
if !ok || strings.TrimSpace(firstNonEmptyString(item["type"])) != "message" || strings.TrimSpace(firstNonEmptyString(item["role"])) != "developer" {
break
}
insertAt++
}
input = append(input, nil)
copy(input[insertAt+1:], input[insertAt:])
input[insertAt] = guard
reqBody["input"] = input
return true
}
func responsesInputItemsContainText(items []apicompat.ResponsesInputItem, needle string) bool {
needle = strings.TrimSpace(needle)
if needle == "" {
return false
}
for _, item := range items {
if strings.Contains(string(item.Content), needle) {
return true
}
}
return false
}
func inputContainsText(input []any, needle string) bool {
needle = strings.TrimSpace(needle)
if needle == "" {
return false
}
for _, item := range input {
b, err := json.Marshal(item)
if err == nil && strings.Contains(string(b), needle) {
return true
}
}
return false
}