绝尘
cf017f81e2
重构：删 5 零引用 crate（df-evolve/plugin/stages/task/traceability）+ 清死模块、ai.rs 拆 11 子 module、ai.ts 拆 6 composable、i18n 拆目录 功能：知识库全栈（df-project/scan + CRUD + 时间线 + 前端）、Settings 拆分、appSettings KV 迁移、模型池、LLM 并发 Semaphore 修复：审批持久化根治、ConditionEngine 默认拒绝、NodeRegistry unimplemented 清除、promote 补偿删除、工具结果截断 50KB、路径校验防 symlink 逃逸 文档：B-03 人工审批设计、决策记录三分档、规格契约自检、经验记录、todo 看板、PROGRESS 更新 详见 PROGRESS.md。src-tauri/儿童每日打卡应用/ 与本项目无关，已排除。
87 lines
3.8 KiB
Rust
87 lines
3.8 KiB
Rust
//! 系统提示词构建 + 活跃提供商获取
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use df_storage::models::AiProviderRecord;
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use crate::state::AppState;
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/// 获取当前活跃提供商配置
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pub(crate) async fn get_active_provider(state: &AppState) -> Result<AiProviderRecord, String> {
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let session = state.ai_session.lock().await;
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if let Some(ref pid) = session.active_provider_id {
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let provider = state
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.ai_providers
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.get_by_id(pid)
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.await
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.map_err(|e| e.to_string())?
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.ok_or_else(|| format!("活跃提供商不存在: {}", pid))?;
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Ok(provider)
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} else {
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// 查找默认提供商
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drop(session);
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let providers = state
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.ai_providers
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.list_all()
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.await
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.map_err(|e| e.to_string())?;
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let default = providers.iter().find(|p| p.is_default).cloned();
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default
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.or_else(|| providers.into_iter().next())
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.ok_or_else(|| "未配置 AI 提供商，请先在设置中添加".to_string())
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}
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}
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/// 按语言返回系统提示词的 (固定前缀, 项目上下文标题)
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fn system_prompt_parts(lang: &str) -> (&'static str, &'static str) {
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match lang {
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"en" => (
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"You are DevFlow's AI assistant. You help users manage projects, tasks, ideas, and workflows.\n\
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Please respond in English.\n\n\
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## Capabilities\n\
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You can perform the following actions via tool calls:\n\
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- Create/query projects, tasks, and ideas\n\
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- Run workflows\n\
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- Read file contents, list directories, create/write files\n\n\
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## Guidelines\n\
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- Briefly explain your intent before executing actions\n\
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- Ask for clarification if the user's intent is unclear\n\
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- Prefer using tools to complete actions rather than just describing steps\n\
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- When a tool call fails, clearly tell the user it failed and why. Never disguise a fallback action as the original intent's success (e.g. don't write to description to fake a directory binding), and never falsely report success\n",
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"\n## Current Projects\n",
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),
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_ => (
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"你是 DevFlow 的 AI 助手。你帮助用户管理项目、任务、想法和工作流。\n\
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必须使用简体中文回复，禁止使用繁体中文字符。\n\n\
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## 当前能力\n\
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你可以通过工具调用执行以下操作：\n\
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- 创建/查询项目、任务、想法\n\
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- 运行工作流\n\
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- 读取文件内容、列出目录、创建/写入文件\n\n\
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## 行为准则\n\
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- 执行操作前简要说明你的意图\n\
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- 如果不确定用户意图，先提问\n\
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- 优先使用工具完成操作，而不是只描述步骤\n\
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- 工具调用失败时必须明确告知用户失败原因，严禁用替代操作冒充原意图成功（如绑定目录失败不得改写描述冒充已绑定），也绝不谎报成功\n",
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"\n## 当前项目\n",
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),
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}
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}
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/// 构建系统提示词（固定前缀 + 当前项目上下文）
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pub(crate) async fn build_system_prompt(state: &AppState, lang: &str) -> String {
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let (prefix, ctx_label) = system_prompt_parts(lang);
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let mut prompt = String::from(prefix);
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// 附加当前数据上下文
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if let Ok(projects) = state.projects.list_active().await {
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if !projects.is_empty() {
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prompt.push_str(ctx_label);
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// system prompt 前缀克制：仅最近 20 个项目，防 context 膨胀
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for p in projects.iter().take(20) {
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prompt.push_str(&format!("- {} ({}): {}\n", p.name, p.status, p.description));
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}
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}
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}
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prompt
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}
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