feat: 添加生成系统环境信息提示词的功能，并在子代理提示词构建中集成

src/agent/mod.rs

@@ -9,5 +9,6 @@ pub use agent_loop::{
 pub use context_compressor::ContextCompressor;
 pub use runtime_config::AgentRuntimeConfig;
 pub use system_prompt::{
-    CompositeSystemPromptProvider, SystemPrompt, SystemPromptContext, SystemPromptProvider,
+    CompositeSystemPromptProvider, generate_system_env_prompt, SystemPrompt, SystemPromptContext,
+    SystemPromptProvider,
 };

src/agent/system_prompt.rs

@@ -70,6 +70,31 @@ impl SystemPromptProvider for CompositeSystemPromptProvider {
     }
 }
 
+/// 生成系统环境信息提示词
+/// 供主智能体和子智能体共享使用
+pub fn generate_system_env_prompt(config: &crate::config::LLMProviderConfig) -> String {
+    use std::env;
+    use std::env::consts::{ARCH, OS};
+
+    let os_name = match OS {
+        "windows" => "Windows",
+        "linux" => "Linux",
+        "macos" => "macOS",
+        "freebsd" => "FreeBSD",
+        _ => OS,
+    };
+
+    let shell = env::var("SHELL").unwrap_or_else(|_| "unknown".to_string());
+    let cwd = env::current_dir()
+        .map(|p| p.display().to_string())
+        .unwrap_or_else(|_| "unknown".to_string());
+
+    format!(
+        "## 系统环境\n- 操作系统: {}\n- 架构: {}\n- Shell: {}\n- 当前工作目录: {}\n- 模型提供商: {}\n- 模型: {}",
+        os_name, ARCH, shell, cwd, config.name, config.model_id
+    )
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;

src/gateway/prompt.rs

@@ -1,4 +1,3 @@
-use std::env;
 use std::fs;
 use std::path::{Path, PathBuf};
 
@@ -104,26 +103,9 @@ fn strip_comments_and_whitespace(content: &str) -> String {
 }
 
 /// 生成系统环境信息提示词
+/// 使用 agent 模块的共享实现
 pub(crate) fn generate_system_environment_prompt(config: &LLMProviderConfig) -> String {
-    use std::env::consts::{ARCH, OS};
-
-    let os_name = match OS {
-        "windows" => "Windows",
-        "linux" => "Linux",
-        "macos" => "macOS",
-        "freebsd" => "FreeBSD",
-        _ => OS,
-    };
-
-    let shell = env::var("SHELL").unwrap_or_else(|_| "unknown".to_string());
-    let cwd = env::current_dir()
-        .map(|p| p.display().to_string())
-        .unwrap_or_else(|_| "unknown".to_string());
-
-    format!(
-        "## 系统环境\n- 操作系统: {}\n- 架构: {}\n- Shell: {}\n- 当前工作目录: {}\n- 模型提供商: {}\n- 模型: {}",
-        os_name, ARCH, shell, cwd, config.name, config.model_id
-    )
+    crate::agent::generate_system_env_prompt(config)
 }
 
 fn persist_memory_summary(path: &Path, markdown_body: &str) -> Result<(), AgentError> {

src/tools/task/prompt.rs

@@ -1,19 +1,23 @@
 use super::types::SubagentType;
+use crate::config::LLMProviderConfig;
 
 /// 子代理系统提示词构建器
 pub struct SubagentPromptBuilder;
 
 impl SubagentPromptBuilder {
-    /// 构建子代理系统提示词
+    /// 构建子代理系统提示词（包含系统环境信息）
     pub fn build(
         subagent_type: SubagentType,
         description: &str,
         _prompt: &str,
+        config: &LLMProviderConfig,
     ) -> String {
-        match subagent_type {
+        let base_prompt = match subagent_type {
             SubagentType::General => Self::build_general_prompt(description),
             SubagentType::Explore => Self::build_explore_prompt(description),
-        }
+        };
+        let env_info = crate::agent::generate_system_env_prompt(config);
+        format!("{}\n\n{}", base_prompt, env_info)
     }
 
     /// 构建恢复任务的提示词

src/tools/task/runtime.rs

@@ -281,6 +281,7 @@ impl SubAgentRuntime for DefaultSubAgentRuntime {
             task.subagent_type,
             &task.description,
             &task.prompt,
+            &self.provider_config,
         );
 
         // 5. 创建子代理