fix: also preserve thinking time when stopping during thinking

This extends the previous fix to also handle the case when the user
stops the reply while thinking is still in progress (not just after
thinking is complete).

Signed-off-by: Calvin <calvinvwei@gmail.com>

src/renderer/src/services/messageStreaming/callbacks/baseCallbacks.ts

@@ -108,10 +108,17 @@ export const createBaseCallbacks = (deps: BaseCallbacksDependencies) => {
       const possibleBlockId = findBlockIdForCompletion()
 
       if (possibleBlockId) {
-        // 更改上一个block的状态为ERROR
-        const changes = {
+        // 更改上一个block的状态为ERROR/PAUSED
+        const changes: Record<string, any> = {
           status: isErrorTypeAbort ? MessageBlockStatus.PAUSED : MessageBlockStatus.ERROR
         }
+        // 如果是 thinking block，保留实际思考时间
+        if (blockManager.lastBlockType === MessageBlockType.THINKING) {
+          const thinkingInfo = getCurrentThinkingInfo?.()
+          if (thinkingInfo?.blockId === possibleBlockId && thinkingInfo?.millsec && thinkingInfo.millsec > 0) {
+            changes.thinking_millsec = thinkingInfo.millsec
+          }
+        }
         blockManager.smartBlockUpdate(possibleBlockId, changes, blockManager.lastBlockType!, true)
       }