feat: 添加探索类型最大执行时间配置，优化子代理任务执行逻辑

src/agent/agent_loop.rs

@@ -1004,6 +1004,18 @@ impl AgentLoop {
             return false;
         }
 
+        // Multiple Task tools can run in parallel
+        // Task tools create independent subagents with isolated contexts, no shared state
+        let task_count = tool_calls.iter().filter(|tc| tc.name == "task").count();
+        if task_count > 1 && task_count == tool_calls.len() {
+            return true;
+        }
+
+        // When Task is mixed with other tools, keep sequential to avoid complexity
+        if task_count > 0 {
+            return false;
+        }
+
         // All tools must be concurrency-safe to run in parallel
         tool_calls.iter().all(|tc| {
             self.tools

src/config/mod.rs

@@ -114,6 +114,8 @@ pub struct TaskConfig {
     pub enabled: bool,
     #[serde(default = "default_task_max_execution_secs")]
     pub max_execution_secs: u64,
+    #[serde(default = "default_task_explore_max_execution_secs")]
+    pub explore_max_execution_secs: u64,
     #[serde(default = "default_task_ttl_hours")]
     pub ttl_hours: u64,
     #[serde(default = "default_task_allowed_tools")]
@@ -125,7 +127,11 @@ fn default_task_enabled() -> bool {
 }
 
 fn default_task_max_execution_secs() -> u64 {
-    300
+    1200  // 20分钟
+}
+
+fn default_task_explore_max_execution_secs() -> u64 {
+    600  // 10分钟
 }
 
 fn default_task_ttl_hours() -> u64 {
@@ -154,6 +160,7 @@ impl Default for TaskConfig {
         Self {
             enabled: default_task_enabled(),
             max_execution_secs: default_task_max_execution_secs(),
+            explore_max_execution_secs: default_task_explore_max_execution_secs(),
             ttl_hours: default_task_ttl_hours(),
             allowed_tools: default_task_allowed_tools(),
         }

src/gateway/runtime.rs

@@ -104,6 +104,7 @@ pub(crate) fn build_session_manager_with_sender(
         let runtime_config = SubAgentRuntimeConfig {
             allowed_tools: task_config.allowed_tools.iter().cloned().collect(),
             max_execution_secs: task_config.max_execution_secs,
+            explore_max_execution_secs: task_config.explore_max_execution_secs,
             explore_max_tool_calls: 20,
             ttl_hours: task_config.ttl_hours,
         };

src/tools/task/runtime.rs

@@ -20,8 +20,10 @@ use super::types::{SubagentType, TaskDefinition, TaskHandle, TaskSession, TaskSe
 pub struct SubAgentRuntimeConfig {
     /// 子代理可用的工具列表（白名单）
     pub allowed_tools: HashSet<String>,
-    /// 最大执行时间（秒）
+    /// 最大执行时间（秒） - General 类型
     pub max_execution_secs: u64,
+    /// Explore 类型的最大执行时间（秒）
+    pub explore_max_execution_secs: u64,
     /// 探索类型的最大工具调用次数
     pub explore_max_tool_calls: usize,
     /// 任务 TTL（小时）
@@ -45,7 +47,8 @@ impl Default for SubAgentRuntimeConfig {
                 "skill_list".to_string(),
                 "send_session_message".to_string(),  // 用于进度通知
             ]),
-            max_execution_secs: 300, // 5分钟
+            max_execution_secs: 1200, // 20分钟
+            explore_max_execution_secs: 600, // 10分钟
             explore_max_tool_calls: 20,
             ttl_hours: 24,
         }
@@ -168,7 +171,7 @@ impl DefaultSubAgentRuntime {
 
         // 设置超时
         let max_secs = if session.subagent_type == SubagentType::Explore {
-            self.config.max_execution_secs / 2  // Explore 类型时间更短
+            self.config.explore_max_execution_secs
         } else {
             self.config.max_execution_secs
         };