style(server): collapse nested if conditions via clippy

server/src/handlers_v2/tasks.rs

@@ -77,11 +77,10 @@ impl McpTool for DeleteTaskHandler {
             }
             
             for (idx, t) in tasks.iter().enumerate() {
-                if let Some(pid) = &t.parent_id {
+                if let Some(pid) = &t.parent_id
-                    if let Some(&parent_idx) = id_to_index.get(pid.as_str()) {
+                    && let Some(&parent_idx) = id_to_index.get(pid.as_str()) {
                         children_map.entry(parent_idx).or_default().push(idx);
                     }
-                }
             }
 
             let mut to_delete_idx = std::collections::HashSet::new();
@@ -90,11 +89,10 @@ impl McpTool for DeleteTaskHandler {
                 queue.push_back(start_idx);
 
                 while let Some(curr) = queue.pop_front() {
-                    if to_delete_idx.insert(curr) {
+                    if to_delete_idx.insert(curr)
-                        if let Some(children) = children_map.get(&curr) {
+                        && let Some(children) = children_map.get(&curr) {
                             queue.extend(children.iter().copied());
                         }
-                    }
                 }
             }
             
@@ -165,11 +163,10 @@ impl McpTool for UpdateTaskStatusHandler {
                 if !blocked {
                     let mut uncompleted_deps = Vec::new();
                     for dep_id in &tasks[target_idx].dependencies {
-                        if let Some(dep_task) = tasks.iter().find(|dt| dt.id == *dep_id) {
+                        if let Some(dep_task) = tasks.iter().find(|dt| dt.id == *dep_id)
-                            if dep_task.status != "completed" && dep_task.status != "done" {
+                            && dep_task.status != "completed" && dep_task.status != "done" {
                                 uncompleted_deps.push(dep_task.title.as_str());
                             }
-                        }
                     }
                     if !uncompleted_deps.is_empty() {
                         blocked = true;