feat: 重构AI消息气泡结构，集成thinking、tool和content为统一block

- AI消息使用统一的可折叠容器(message-block)
- thinking和tool使用相同样式，支持展开/收起
- 工具调用显示input/output内容，区分入参和出参
- 添加状态徽章样式(running/completed/error + 脉冲动画)
- 消息气泡添加毛玻璃效果和精细阴影
- 删除file场景(分析上传的报表)
- 同步更新main specs

src/styles/pages/_console.scss

@@ -105,7 +105,13 @@
 }
 
 .message.assistant .message-bubble {
-    background: var(--color-bg-2);
+    background: rgba(255, 255, 255, 0.8);
+    backdrop-filter: blur(12px);
+    -webkit-backdrop-filter: blur(12px);
+    border: 1px solid rgba(255, 255, 255, 0.6);
+    box-shadow: 
+        0 1px 2px rgba(0, 0, 0, 0.04),
+        0 4px 12px rgba(0, 0, 0, 0.06);
     border-bottom-left-radius: 4px;
 }
 
@@ -122,17 +128,27 @@
     padding: 0 4px;
 }
 
-// AI 思考过程
-.message-thinking {
+// AI 消息Block容器（thinking和tool通用）
+.message-block {
     margin-bottom: 12px;
     border: 1px solid var(--color-border-3);
     border-radius: 12px;
     overflow: hidden;
     background: #FFFBEB;
     cursor: pointer;
+
+    &.expanded {
+        .message-block-header-icon {
+            transform: rotate(90deg);
+        }
+
+        .message-block-content {
+            display: block;
+        }
+    }
 }
 
-.message-thinking-header {
+.message-block-header {
     display: flex;
     align-items: center;
     gap: 8px;
@@ -150,26 +166,31 @@
     }
 }
 
-.message-thinking-icon {
+.message-block-header-icon {
     transition: transform 0.2s ease;
     font-size: 12px;
+    flex-shrink: 0;
 }
 
-.message-thinking.expanded .message-thinking-icon {
-    transform: rotate(90deg);
+.message-block-header-title {
+    flex: 1;
 }
 
-.message-thinking-content {
+.message-block-header-status {
+    font-size: 12px;
+    color: var(--color-text-3);
+    display: flex;
+    align-items: center;
+    gap: 4px;
+}
+
+.message-block-content {
     padding: 12px 14px;
     font-size: 14px;
     line-height: 1.6;
     color: #78350F;
     display: none;
 
-    .message-thinking.expanded & {
-        display: block;
-    }
-
     ul {
         margin: 8px 0 0 0;
         padding-left: 20px;
@@ -180,6 +201,95 @@
     }
 }
 
+.message-block-time {
+    font-size: 12px;
+    color: var(--color-text-4);
+    padding: 8px 14px 12px;
+    border-top: 1px solid rgba(0, 0, 0, 0.05);
+}
+
+// 工具调用Block
+.message-tool {
+    background: #F0F9FF;
+    border-color: #BFDBFE;
+
+    .message-block-header {
+        color: #1E40AF;
+        background: rgba(219, 234, 254, 0.5);
+    }
+
+    .message-block-header-status {
+        color: #1D4ED8;
+    }
+}
+
+.message-tool-running {
+    color: #3B82F6;
+    
+    &::before {
+        content: '';
+        display: inline-block;
+        width: 8px;
+        height: 8px;
+        border-radius: 50%;
+        background: currentColor;
+        animation: pulse 1.5s ease-in-out infinite;
+    }
+}
+
+.message-tool-completed {
+    color: #10B981;
+}
+
+.message-tool-error {
+    color: #EF4444;
+}
+
+@keyframes pulse {
+    0%, 100% {
+        opacity: 1;
+    }
+    50% {
+        opacity: 0.4;
+    }
+}
+
+// 工具调用的input/output分隔
+.message-tool-io {
+    border-top: 1px solid rgba(0, 0, 0, 0.05);
+    padding-top: 12px;
+    margin-top: 12px;
+
+    &:first-child {
+        border-top: none;
+        padding-top: 0;
+        margin-top: 0;
+    }
+}
+
+.message-tool-io-label {
+    font-size: 12px;
+    font-weight: 600;
+    color: #64748B;
+    margin-bottom: 8px;
+}
+
+.message-tool-io-content {
+    background: #1E293B;
+    border-radius: 8px;
+    padding: 12px;
+    overflow-x: auto;
+
+    pre, code {
+        font-family: 'Fira Code', monospace;
+        font-size: 13px;
+        color: #E2E8F0;
+        margin: 0;
+        white-space: pre-wrap;
+        word-break: break-all;
+    }
+}
+
 // 输入区
 .chat-input-wrapper {
     padding: 16px 24px 24px;