mirror of
https://gitcode.com/JianFeeeee/homeagent-sdk.git
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v0.9.0: C ABI v2 stage 写回 + ABI 版本对齐核心版本号
- meta: ABI 标识版本改为字符串 semver(ABIVersion=CoreVersion="0.9.0"), C 层协商用派生整数 CABINum=900(major*100+minor),不再用独立数字编码 - plugindev 模板: invoke_stage 增加 result out 参数(stage 写回), 插件在 OnInput/AfterToolcall/PostAction 修改 StageContext 后回传内核 - cmd_init: CABIVersion 改用 CABINum - example/sanitizer: 增强为全链路清洗(坏 UTF-8/U+FFFD/ANSI 转义), 挂载 OnInput/AfterToolcall/PostAction 三阶段(依赖 stage 写回能力)
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@ -1,5 +1,13 @@
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// Package main 是一个外部插件示例(编译为 .so 通过 -buildmode=plugin)。
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// 在 StagePostAction 阶段清洗 LLM 输出中的工具调用残留(思维泄漏)。
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// 目标:在 Agent 全链路清洗文本,防止乱码(坏 UTF-8 / U+FFFD / ANSI 转义)污染上下文并被 LLM 复读,
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// 同时保留原有"工具调用残留(思维泄漏)"清理。
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//
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// 挂载阶段:
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// - StageOnInput : 清洗用户输入(RawMessage)
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// - StageAfterToolcall : 清洗工具执行结果(ToolResults),坏字节不进 LLM 上下文
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// - StagePostAction : 清洗 LLM 输出(LLMText),保留原有思维泄漏清理
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//
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// 依赖 ABI v2 的 stage 写回能力:插件对 StageContext 的修改会同步回内核。
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//
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// 编译:
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//
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@ -13,23 +21,24 @@ import (
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"log"
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"regexp"
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"strings"
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"unicode/utf8"
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"gitcode.com/JianFeeeee/homeagent-sdk/sdk"
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)
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var (
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toolCallTagRE = regexp.MustCompile(`(?s)<tool_call[^>]*>.*?</tool_call>`)
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invokeTagRE = regexp.MustCompile(`(?s)<invoke[^>]*>.*?</invoke>`)
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toolTagRE = regexp.MustCompile(`(?s)<tool[^>]*>.*?</tool>`)
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functionTagRE = regexp.MustCompile(`(?s)<function[^>]*>.*?</function>`)
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toolCodeBlockRE = regexp.MustCompile("(?s)```(?:xml|json)?\\s*<tool_call[^>]*>.*?</tool_call>\\s*```")
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toolCallTagRE = regexp.MustCompile(`(?s)<tool_call[^>]*>.*?</tool_call>`)
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invokeTagRE = regexp.MustCompile(`(?s)<invoke[^>]*>.*?</invoke>`)
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toolTagRE = regexp.MustCompile(`(?s)<tool[^>]*>.*?</tool>`)
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functionTagRE = regexp.MustCompile(`(?s)<function[^>]*>.*?</function>`)
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toolCodeBlockRE = regexp.MustCompile("(?s)```(?:xml|json)?\\s*<tool_call[^>]*>.*?</tool_call>\\s*```")
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invokeCodeBlockRE = regexp.MustCompile("(?s)```(?:xml|json)?\\s*<invoke[^>]*>.*?</invoke>\\s*```")
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toolCodeBlockRE2 = regexp.MustCompile("(?s)```(?:xml|json)?\\s*<tool[^>]*>.*?</tool>\\s*```")
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chineseMarkerRE = regexp.MustCompile(`(?s)【tool_call】.*?【/tool_call】`)
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multiNewlineRE = regexp.MustCompile(`\n{3,}`)
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toolNameRE = regexp.MustCompile(`^(cmd_run|terminal_create|terminal_write|memory_|knowledge_|doc_|social_|output_set_channel|output_send|llm_|plgreload|spawn_child|child_result|describe_image|transcribe_audio|ocr_image|timer_set|plugin_install|plugin_remove|qq_|a2a_|mcp_|healthcheck|files_|web_)`)
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placeholderRE = regexp.MustCompile(`(?i)\{\{\s*tool\s*[::][^}]*\}\}`)
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atToolRE = regexp.MustCompile(`(?i)^@\s*tool\b`)
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toolCodeBlockRE2 = regexp.MustCompile("(?s)```(?:xml|json)?\\s*<tool[^>]*>.*?</tool>\\s*```")
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chineseMarkerRE = regexp.MustCompile(`(?s)【tool_call】.*?【/tool_call】`)
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multiNewlineRE = regexp.MustCompile(`\n{3,}`)
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toolNameRE = regexp.MustCompile(`^(cmd_run|terminal_create|terminal_write|memory_|knowledge_|doc_|social_|output_set_channel|output_send|llm_|plgreload|spawn_child|child_result|describe_image|transcribe_audio|ocr_image|timer_set|plugin_install|plugin_remove|qq_|a2a_|mcp_|healthcheck|files_|web_)`)
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placeholderRE = regexp.MustCompile(`(?i)\{\{\s*tool\s*[::][^}]*\}\}`)
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atToolRE = regexp.MustCompile(`(?i)^@\s*tool\b`)
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)
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type Plugin struct{}
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@ -38,10 +47,41 @@ func (p *Plugin) Name() string { return "sanitizer" }
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func (p *Plugin) Start(s *sdk.PluginSDK) error {
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s.SetAutoRestart(true)
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// 1) 输入清洗
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s.RegisterStage(sdk.StageOnInput, func(ctx *sdk.StageContext) error {
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ctx.Lock()
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before := ctx.RawMessage
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ctx.RawMessage = cleanText(ctx.RawMessage)
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if before != ctx.RawMessage {
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log.Printf("[sanitizer] StageOnInput: cleaned %d bytes", len(before)-len(ctx.RawMessage))
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}
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ctx.Unlock()
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return nil
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})
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// 2) 工具结果清洗(坏字节/ANSI 不得进 LLM 上下文)
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s.RegisterStage(sdk.StageAfterToolcall, func(ctx *sdk.StageContext) error {
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ctx.Lock()
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defer ctx.Unlock()
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for i, tr := range ctx.ToolResults {
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if s, ok := tr.Result.(string); ok {
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clean := cleanText(s)
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if clean != s {
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ctx.ToolResults[i].Result = clean
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log.Printf("[sanitizer] StageAfterToolcall: tool=%s cleaned %d bytes", tr.Name, len(s)-len(clean))
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}
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}
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}
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return nil
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})
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// 3) LLM 输出清洗(保留原有思维泄漏清理 + 新增乱码清洗)
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s.RegisterStage(sdk.StagePostAction, func(ctx *sdk.StageContext) error {
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ctx.Lock()
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before := len(ctx.LLMText)
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ctx.LLMText = cleanToolCallLeakage(ctx.LLMText)
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ctx.LLMText = cleanText(ctx.LLMText)
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after := len(ctx.LLMText)
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ctx.Unlock()
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if before != after {
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@ -49,7 +89,7 @@ func (p *Plugin) Start(s *sdk.PluginSDK) error {
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}
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return nil
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})
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log.Printf("[sanitizer] stage PostAction registered")
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log.Printf("[sanitizer] stage OnInput/AfterToolcall/PostAction registered")
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return nil
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}
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@ -59,6 +99,7 @@ func NewPluginFactory(name string, config map[string]interface{}) (sdk.Plugin, e
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return &Plugin{}, nil
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}
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// cleanToolCallLeakage 清洗 LLM 输出中的工具调用残留(思维泄漏)。
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func cleanToolCallLeakage(content string) string {
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if content == "" {
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return content
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@ -106,3 +147,72 @@ func cleanToolCallLeakage(content string) string {
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}
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return content
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}
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// cleanText 清洗可能污染 LLM 上下文/输出的文本:
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// 1. 剥离 ANSI 转义序列(\x1b[...m 等,源自终端输出)
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// 2. 剔除无效 UTF-8 字节(strings.ToValidUTF8 语义)与已解码的 U+FFFD 替换符,
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// 避免模型复读坏字节/替换符造成乱码(把坏段落整体丢弃比留残字更干净)
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func cleanText(s string) string {
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if s == "" {
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return s
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}
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// 先剥离 ANSI 转义:ESC [ 参数 m / ESC ] 标题 / 其他 CSI 序列
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if strings.ContainsRune(s, 0x1b) {
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var sb strings.Builder
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sb.Grow(len(s))
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i := 0
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for i < len(s) {
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c := s[i]
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if c == 0x1b {
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// 跳过完整转义序列
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j := i + 1
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if j < len(s) {
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switch s[j] {
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case '[': // CSI: ESC [ <params> <letter>
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j++
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for j < len(s) && !(s[j] >= 0x40 && s[j] <= 0x7e) {
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j++
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}
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if j < len(s) {
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j++
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}
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i = j
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continue
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case ']': // OSC: ESC ] ... BEL / ST
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i = j + 1
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for i < len(s) && s[i] != 0x07 {
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i++
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}
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i++ // skip BEL
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continue
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default: // 单字符转义(ESC c ESC 7 等)
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i = j + 1
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continue
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}
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}
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i++
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continue
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}
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sb.WriteByte(c)
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i++
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}
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s = sb.String()
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}
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// 剔除无效 UTF-8 与 U+FFFD 替换符
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if !utf8.ValidString(s) {
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s = strings.ToValidUTF8(s, "")
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}
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if strings.ContainsRune(s, utf8.RuneError) {
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// 连 U+FFFD 也不留给模型复述
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var b strings.Builder
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b.Grow(len(s))
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for _, r := range s {
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if r != utf8.RuneError {
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b.WriteRune(r)
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}
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}
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s = b.String()
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}
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return s
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}
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@ -2,6 +2,31 @@ package main
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import "testing"
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func TestCleanText(t *testing.T) {
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tests := []struct {
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name, input, want string
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}{
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{"empty", "", ""},
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{"clean", "你好世界 hello", "你好世界 hello"},
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{"invalid_utf8", "a\xff\xfe b", "a b"},
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{"ufffd", "有乱码\ufffd字符", "有乱码字符"},
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{"multiple_ufffd", "a\ufffd\ufffdb\ufffdc", "abc"},
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{"ansi_color", "\x1b[31m红色\x1b[0m结束", "红色结束"},
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{"ansi_cursor", "a\x1b[2K\r\nb", "a\r\nb"},
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{"ansi_osc", "\x1b]0;title\x07文本", "文本"},
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{"an_and_ufffd", "\x1b[31m\ufffd中文\x1b[0m", "中文"},
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{"emoji_kept", "颜文字(・ω・´)和🍎", "颜文字(・ω・´)和🍎"},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got := cleanText(tt.input)
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if got != tt.want {
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t.Errorf("got %q, want %q", got, tt.want)
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}
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})
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}
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}
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func TestCleanToolCallLeakage(t *testing.T) {
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tests := []struct {
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name, input, want string
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@ -28,4 +53,4 @@ func TestCleanToolCallLeakage(t *testing.T) {
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}
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})
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}
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}
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}
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