fix: sync stop states with composer busy

static/src/App.vue

@@ -156,7 +156,7 @@
             :input-is-multiline="inputIsMultiline"
             :input-is-focused="inputIsFocused"
             :is-connected="isConnected"
-            :streaming-message="streamingMessage"
+            :streaming-message="composerBusy"
             :input-locked="displayLockEngaged"
             :uploading="uploading"
             :thinking-mode="thinkingMode"

static/src/app.ts

@@ -111,6 +111,7 @@ const appOptions = {
             return {
                 // 路由相关
                 initialRouteResolved: false,
+                dropToolEvents: false,
                 
                 // 工具状态跟踪
                 preparingTools: new Map(),
@@ -291,10 +292,16 @@ const appOptions = {
             })
             ,
             displayModeSwitchDisabled() {
-                return this.streamingMessage || this.monitorIsLocked;
+                return this.composerBusy;
             },
             displayLockEngaged() {
-                return this.streamingMessage || this.monitorIsLocked;
+                return this.composerBusy;
+            },
+            streamingUi() {
+                return this.streamingMessage || this.hasPendingToolActions();
+            },
+            composerBusy() {
+                return this.streamingUi || this.monitorIsLocked || this.stopRequested;
             }
         },
 
@@ -1022,13 +1029,15 @@ const appOptions = {
                 this.monitorResetVisual({
                     preserveBubble: true,
                     preservePointer: true,
-                    preserveWindows: !!options?.preserveMonitorWindows
+                    preserveWindows: !!options?.preserveMonitorWindows,
+                    preserveQueue: !!options?.preserveMonitorWindows
                 });
                 
                 // 重置消息和流状态
                 this.streamingMessage = false;
                 this.currentMessageIndex = -1;
                 this.stopRequested = false;
+                this.dropToolEvents = false;
                 
                 // 清理工具状态
                 this.toolResetTracking();
@@ -1916,7 +1925,7 @@ const appOptions = {
             },
 
             handleSendOrStop() {
-                if (this.streamingMessage) {
+                if (this.composerBusy) {
                     this.stopTask();
                 } else {
                     this.sendMessage();
@@ -1924,7 +1933,7 @@ const appOptions = {
             },
 
             sendMessage() {
-                if (this.streamingMessage || !this.isConnected) {
+                if (this.streamingUi || !this.isConnected) {
                     return;
                 }
 
@@ -1969,11 +1978,62 @@ const appOptions = {
             
             // 新增：停止任务方法
             stopTask() {
-                if (this.streamingMessage && !this.stopRequested) {
+                const canStop = this.composerBusy && !this.stopRequested;
+                if (!canStop) {
+                    return;
+                }
+
+                const shouldDropToolEvents = this.streamingUi;
+                this.stopRequested = true;
+                this.dropToolEvents = shouldDropToolEvents;
+                if (this.socket) {
                     this.socket.emit('stop_task');
-                    this.stopRequested = true;
                     debugLog('发送停止请求');
                 }
+
+                // 立即清理前端状态，避免出现“不可输入也不可停止”的卡死状态
+                this.clearPendingTools('user_stop');
+                this.streamingMessage = false;
+                this.forceUnlockMonitor('user_stop');
+            },
+
+            forceUnlockMonitor(reason = 'unspecified') {
+                try {
+                    this.monitorResetVisual({
+                        preserveBubble: true,
+                        preservePointer: true,
+                        preserveWindows: true,
+                        preserveQueue: false,
+                        preservePendingResults: false,
+                        preserveAwaitingTools: false
+                    });
+                    debugLog('Monitor unlocked', { reason });
+                } catch (error) {
+                    console.warn('强制解锁监控面板失败', error);
+                }
+            },
+            clearPendingTools(reason = 'unspecified') {
+                debugLog('清理未完成工具', { reason });
+                if (Array.isArray(this.messages)) {
+                    this.messages.forEach(msg => {
+                        if (!msg || msg.role !== 'assistant' || !Array.isArray(msg.actions)) {
+                            return;
+                        }
+                        msg.actions.forEach(action => {
+                            if (action && action.type === 'tool' && action.tool) {
+                                action.tool.status = action.tool.status || 'cancelled';
+                                action.tool.awaiting_content = false;
+                                action.streaming = false;
+                            }
+                        });
+                    });
+                }
+                this.toolResetTracking();
+                this.preparingTools.clear();
+                this.activeTools.clear();
+                this.toolActionIndex.clear();
+                this.toolStacks.clear();
+                this.stopRequested = false;
             },
             
             async clearChat() {