fix: showSpinnerTree 模式下保留 local-agent token 显示

PR #1226 的 CodeRabbit 审查指出：当 spinner-tree 模式开启时，
local-agent（后台代理）的 token 消耗完全不可见，因为它们没有
在树中有独立行，但被 showSpinnerTree 的 guard 排除了。

修复：将 guard 从循环外移到循环内，仅对 in_process_teammate
任务在 tree 模式下跳过（它们有独立树行），local-agent 任务
始终计入 teammateTokens。

Closes: review comment from PR #1226 (originally belongs to PR #1225)

Co-Authored-By: deepseek-v4-pro[1m] <deepseek-ai@claude-code-best.win>

src/components/Spinner.tsx

@@ -210,15 +210,22 @@ function SpinnerWithVerbInner({
   const hasRunningTeammates = runningTeammates.length > 0;
   const allIdle = hasRunningTeammates && runningTeammates.every(t => t.isIdle);
 
-  // Gather aggregate token stats from all running swarm teammates
-  // In spinner-tree mode, skip aggregation (teammates have their own lines in the tree)
+  // Gather aggregate token stats from all running agents.
+  // In spinner-tree mode, skip in-process teammates (they have their own
+  // per-teammate lines in the tree) but still count local-agent tasks
+  // (background agents) which have no dedicated tree rows.
   let teammateTokens = 0;
-  if (!showSpinnerTree) {
-    for (const task of Object.values(tasks)) {
-      if (task.status === 'running' && (isInProcessTeammateTask(task) || isLocalAgentTask(task))) {
-        if (task.progress?.tokenCount) {
-          teammateTokens += task.progress.tokenCount;
-        }
+  for (const task of Object.values(tasks)) {
+    if (task.status !== 'running') continue;
+    if (isInProcessTeammateTask(task)) {
+      if (!showSpinnerTree && task.progress?.tokenCount) {
+        teammateTokens += task.progress.tokenCount;
+      }
+      continue;
+    }
+    if (isLocalAgentTask(task)) {
+      if (task.progress?.tokenCount) {
+        teammateTokens += task.progress.tokenCount;
       }
     }
   }