diff --git a/src/tools/shell.rs b/src/tools/shell.rs
index 205d7abe..1963beba 100644
--- a/src/tools/shell.rs
+++ b/src/tools/shell.rs
@@ -440,6 +440,7 @@ impl ShellManager {
     }
 
     /// Execute a shell command with stdin/TTY options.
+    #[allow(clippy::too_many_arguments)]
     pub fn execute_with_options(
         &mut self,
         command: &str,
@@ -1413,7 +1414,7 @@ impl ShellInteractTool {
     }
 }
 
-fn required_task_id<'a>(input: &'a serde_json::Value) -> Result<&'a str, ToolError> {
+fn required_task_id(input: &serde_json::Value) -> Result<&str, ToolError> {
     input
         .get("task_id")
         .or_else(|| input.get("id"))
diff --git a/src/tools/sports.rs b/src/tools/sports.rs
index f6e30d36..41fab9ff 100644
--- a/src/tools/sports.rs
+++ b/src/tools/sports.rs
@@ -152,6 +152,7 @@ fn map_league(league: &str) -> Result<(String, String), ToolError> {
     }
 }
 
+#[allow(clippy::too_many_arguments)]
 async fn fetch_schedule(
     client: &reqwest::Client,
     sport: &str,
diff --git a/src/tools/subagent.rs b/src/tools/subagent.rs
index 1cd75a9a..bcf7577e 100644
--- a/src/tools/subagent.rs
+++ b/src/tools/subagent.rs
@@ -1014,7 +1014,7 @@ async fn run_subagent_task(task: SubAgentTask) {
     }
 }
 
-#[allow(clippy::too_many_lines)]
+#[allow(clippy::too_many_arguments, clippy::too_many_lines)]
 async fn run_subagent(
     runtime: &SubAgentRuntime,
     agent_id: String,
diff --git a/src/tools/web_run.rs b/src/tools/web_run.rs
index ae8a9157..5443d239 100644
--- a/src/tools/web_run.rs
+++ b/src/tools/web_run.rs
@@ -920,7 +920,7 @@ fn wrap_line(text: &str, width: usize) -> Vec<String> {
     for word in text.split_whitespace() {
         if current.is_empty() {
             current.push_str(word);
-        } else if current.len() + word.len() + 1 <= width {
+        } else if current.len() + word.len() < width {
             current.push(' ');
             current.push_str(word);
         } else {
@@ -1000,9 +1000,7 @@ fn extract_query_param(url: &str, key: &str) -> Option<String> {
     let query_start = url.find('?')?;
     let query = &url[query_start + 1..];
     for part in query.split('&') {
-        let mut pieces = part.splitn(2, '=');
-        let k = pieces.next()?;
-        let v = pieces.next()?;
+        let (k, v) = part.split_once('=')?;
         if k == key {
             return Some(v.to_string());
         }