fix: stop thinking timer when reply is aborted (#11794)

Fixes #11772
When user stops the reply after thinking is complete but text is still
streaming, all blocks in STREAMING status are now updated to PAUSED,
which properly stops the thinking timer.

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

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

@@ -4,6 +4,7 @@ import i18n from '@renderer/i18n'
 import { EVENT_NAMES, EventEmitter } from '@renderer/services/EventService'
 import { NotificationService } from '@renderer/services/NotificationService'
 import { estimateMessagesUsage } from '@renderer/services/TokenService'
+import { updateOneBlock } from '@renderer/store/messageBlock'
 import { selectMessagesForTopic } from '@renderer/store/newMessage'
 import { newMessagesActions } from '@renderer/store/newMessage'
 import type { Assistant } from '@renderer/types'
@@ -104,6 +105,25 @@ export const createBaseCallbacks = (deps: BaseCallbacksDependencies) => {
         blockManager.smartBlockUpdate(possibleBlockId, changes, blockManager.lastBlockType!, true)
       }
 
+      // Fix: 更新所有仍处于 STREAMING 状态的 blocks 为 PAUSED/ERROR
+      // 这修复了停止回复时思考计时器继续运行的问题
+      const currentMessage = getState().messages.entities[assistantMsgId]
+      if (currentMessage) {
+        const allBlockRefs = findAllBlocks(currentMessage)
+        const blockState = getState().messageBlocks
+        for (const blockRef of allBlockRefs) {
+          const block = blockState.entities[blockRef.id]
+          if (block && block.status === MessageBlockStatus.STREAMING && block.id !== possibleBlockId) {
+            dispatch(
+              updateOneBlock({
+                id: block.id,
+                changes: { status: isErrorTypeAbort ? MessageBlockStatus.PAUSED : MessageBlockStatus.ERROR }
+              })
+            )
+          }
+        }
+      }
+
       const errorBlock = createErrorBlock(assistantMsgId, serializableError, { status: MessageBlockStatus.SUCCESS })
       await blockManager.handleBlockTransition(errorBlock, MessageBlockType.ERROR)
       const messageErrorUpdate = {