feat(ai-assistant): 添加聊天窗口模式和页面上下文感知

- 新增 chat 显示模式，支持可拖拽的悬浮聊天窗口
  - 新增 page-context.js，根据当前路由提供针对性系统提示词
  - 优化浮动按钮：添加淡入淡出动画、修复右键菜单拖动问题、更新配色
  - 重构 Modal 为独立组件，支持 modal/chat 双模式切换
  - 恢复会话时自动滚动到底部

resources/assets/js/components/AIAssistant/float-button.vue

@@ -1,18 +1,22 @@
 <template>
-    <div
+    <transition name="fade">
-        v-show="visible"
+        <div
-        ref="floatBtn"
+            v-if="visible"
-        class="ai-float-button no-dark-content"
+            ref="floatBtn"
-        :style="btnStyle"
+            class="ai-float-button no-dark-content"
-        @mousedown.stop.prevent="onMouseDown">
+            :style="btnStyle"
-        <svg viewBox="0 0 1024 1024" xmlns="http://www.w3.org/2000/svg">
+            @mousedown.stop.prevent="onMouseDown">
-            <path d="M385.80516777 713.87417358c-12.76971517 0-24.13100586-7.79328205-28.82575409-19.62404756l-48.91927648-123.9413531c-18.40341303-46.75969229-55.77360888-84.0359932-102.53330118-102.53330117l-123.94135309-48.91927649c-11.83076552-4.69474822-19.62404757-16.05603892-19.62404757-28.8257541s7.79328205-24.13100586 19.62404757-28.82575407l123.94135309-48.91927649c46.75969229-18.40341303 84.0359932-55.77360888 102.53330118-102.53330119l48.91927648-123.94135308c4.69474822-11.83076552 16.05603892-19.62404757 28.8257541-19.62404757s24.13100586 7.79328205 28.82575408 19.62404757l48.91927648 123.94135308c18.40341303 46.75969229 55.77360888 84.0359932 102.53330118 102.53330119l123.94135309 48.91927649c11.83076552 4.69474822 19.62404757 16.05603892 19.62404757 28.82575407 0 12.76971517-7.79328205 24.13100586-19.62404757 28.8257541l-123.94135309 48.91927649c-46.75969229 18.40341303-84.0359932 55.77360888-102.53330118 102.53330117l-48.91927648 123.9413531c-4.69474822 11.83076552-16.14993388 19.62404757-28.82575408 19.62404756zM177.45224165 390.12433614l50.89107073 20.0935224c62.62794129 24.69437565 112.67395736 74.74039171 137.368333 137.36833299l20.09352239 50.89107073 20.0935224-50.89107073c24.69437565-62.62794129 74.74039171-112.67395736 137.368333-137.36833299l50.89107072-20.0935224-50.89107073-20.09352239c-62.62794129-24.69437565-112.67395736-74.74039171-137.36833299-137.36833301l-20.09352239-50.89107074-20.0935224 50.89107074c-24.69437565 62.62794129-74.74039171 112.67395736-137.368333 137.36833301l-50.89107073 20.09352239zM771.33789183 957.62550131c-12.76971517 0-24.13100586-7.79328205-28.82575409-19.62404758l-26.6661699-67.6043744c-8.63833672-21.87752672-26.10280012-39.34199011-47.98032684-47.98032684l-67.60437441-26.6661699c-11.83076552-4.69474822-19.62404757-16.05603892-19.62404757-28.82575409s7.79328205-24.13100586 19.62404757-28.82575409l67.60437441-26.6661699c21.87752672-8.63833672 39.34199011-26.10280012 47.98032684-47.98032685l26.6661699-67.6043744c4.69474822-11.83076552 16.05603892-19.62404757 28.82575409-19.62404757s24.13100586 7.79328205 28.82575409 19.62404757l26.66616991 67.6043744c8.63833672 21.87752672 26.10280012 39.34199011 47.98032684 47.98032685l67.6043744 26.6661699c11.83076552 4.69474822 19.62404757 16.05603892 19.62404757 28.82575409s-7.79328205 24.13100586-19.62404757 28.82575409l-67.6043744 26.6661699c-21.87752672 8.63833672-39.34199011 26.10280012-47.98032684 47.98032684l-26.66616991 67.6043744c-4.69474822 11.83076552-16.14993388 19.62404757-28.82575409 19.62404758z m-75.58544639-190.70067281c33.61439727 14.83540438 60.75004201 41.87715415 75.49155143 75.49155143 14.83540438-33.61439727 41.87715415-60.75004201 75.49155142-75.49155143-33.61439727-14.83540438-60.75004201-41.87715415-75.49155142-75.49155143-14.74150942 33.61439727-41.87715415 60.75004201-75.49155143 75.49155143z"/>
+            <svg viewBox="0 0 1024 1024" xmlns="http://www.w3.org/2000/svg">
-        </svg>
+                <path d="M385.80516777 713.87417358c-12.76971517 0-24.13100586-7.79328205-28.82575409-19.62404756l-48.91927648-123.9413531c-18.40341303-46.75969229-55.77360888-84.0359932-102.53330118-102.53330117l-123.94135309-48.91927649c-11.83076552-4.69474822-19.62404757-16.05603892-19.62404757-28.8257541s7.79328205-24.13100586 19.62404757-28.82575407l123.94135309-48.91927649c46.75969229-18.40341303 84.0359932-55.77360888 102.53330118-102.53330119l48.91927648-123.94135308c4.69474822-11.83076552 16.05603892-19.62404757 28.8257541-19.62404757s24.13100586 7.79328205 28.82575408 19.62404757l48.91927648 123.94135308c18.40341303 46.75969229 55.77360888 84.0359932 102.53330118 102.53330119l123.94135309 48.91927649c11.83076552 4.69474822 19.62404757 16.05603892 19.62404757 28.82575407 0 12.76971517-7.79328205 24.13100586-19.62404757 28.8257541l-123.94135309 48.91927649c-46.75969229 18.40341303-84.0359932 55.77360888-102.53330118 102.53330117l-48.91927648 123.9413531c-4.69474822 11.83076552-16.14993388 19.62404757-28.82575408 19.62404756zM177.45224165 390.12433614l50.89107073 20.0935224c62.62794129 24.69437565 112.67395736 74.74039171 137.368333 137.36833299l20.09352239 50.89107073 20.0935224-50.89107073c24.69437565-62.62794129 74.74039171-112.67395736 137.368333-137.36833299l50.89107072-20.0935224-50.89107073-20.09352239c-62.62794129-24.69437565-112.67395736-74.74039171-137.36833299-137.36833301l-20.09352239-50.89107074-20.0935224 50.89107074c-24.69437565 62.62794129-74.74039171 112.67395736-137.368333 137.36833301l-50.89107073 20.09352239zM771.33789183 957.62550131c-12.76971517 0-24.13100586-7.79328205-28.82575409-19.62404758l-26.6661699-67.6043744c-8.63833672-21.87752672-26.10280012-39.34199011-47.98032684-47.98032684l-67.60437441-26.6661699c-11.83076552-4.69474822-19.62404757-16.05603892-19.62404757-28.82575409s7.79328205-24.13100586 19.62404757-28.82575409l67.60437441-26.6661699c21.87752672-8.63833672 39.34199011-26.10280012 47.98032684-47.98032685l26.6661699-67.6043744c4.69474822-11.83076552 16.05603892-19.62404757 28.82575409-19.62404757s24.13100586 7.79328205 28.82575409 19.62404757l26.66616991 67.6043744c8.63833672 21.87752672 26.10280012 39.34199011 47.98032684 47.98032685l67.6043744 26.6661699c11.83076552 4.69474822 19.62404757 16.05603892 19.62404757 28.82575409s-7.79328205 24.13100586-19.62404757 28.82575409l-67.6043744 26.6661699c-21.87752672 8.63833672-39.34199011 26.10280012-47.98032684 47.98032684l-26.66616991 67.6043744c-4.69474822 11.83076552-16.14993388 19.62404757-28.82575409 19.62404758z m-75.58544639-190.70067281c33.61439727 14.83540438 60.75004201 41.87715415 75.49155143 75.49155143 14.83540438-33.61439727 41.87715415-60.75004201 75.49155142-75.49155143-33.61439727-14.83540438-60.75004201-41.87715415-75.49155142-75.49155143-14.74150942 33.61439727-41.87715415 60.75004201-75.49155143 75.49155143z"/>
-    </div>
+            </svg>
+        </div>
+    </transition>
 </template>
 
 <script>
 import emitter from "../../store/events";
+import {withLanguagePreferencePrompt} from "../../utils/ai";
+import {getPageContext} from "./page-context";
 
 export default {
     name: 'AIAssistantFloatButton',
@@ -86,6 +90,7 @@ export default {
         window.removeEventListener('resize', this.onResize);
         document.removeEventListener('mousemove', this.onMouseMove);
         document.removeEventListener('mouseup', this.onMouseUp);
+        document.removeEventListener('contextmenu', this.onContextMenu);
     },
 
     methods: {
@@ -143,6 +148,9 @@ export default {
          * 鼠标按下
          */
         onMouseDown(e) {
+            // 只响应鼠标左键
+            if (e.button !== 0) return;
+
             this.record = {
                 time: Date.now(),
                 startLeft: this.left,
@@ -154,6 +162,16 @@ export default {
 
             document.addEventListener('mousemove', this.onMouseMove);
             document.addEventListener('mouseup', this.onMouseUp);
+            document.addEventListener('contextmenu', this.onContextMenu);
+        },
+
+        /**
+         * 右键菜单弹出时取消拖动
+         */
+        onContextMenu() {
+            if (this.dragging) {
+                this.onMouseUp();
+            }
         },
 
         /**
@@ -179,6 +197,7 @@ export default {
         onMouseUp() {
             document.removeEventListener('mousemove', this.onMouseMove);
             document.removeEventListener('mouseup', this.onMouseUp);
+            document.removeEventListener('contextmenu', this.onContextMenu);
 
             const moveDistance = Math.abs(this.left - this.record.startLeft) + Math.abs(this.top - this.record.startTop);
             const duration = Date.now() - this.record.time;
@@ -218,10 +237,33 @@ export default {
          */
         onClick() {
             emitter.emit('openAIAssistant', {
+                displayMode: 'chat',
                 sessionKey: 'global',
                 resumeSession: 300,
+                showApplyButton: false,
+                onBeforeSend: this.handleBeforeSend,
             });
         },
+
+        /**
+         * 处理发送前的上下文准备
+         * 在发送时动态获取当前页面上下文，确保上下文与用户当前所在页面一致
+         * @param context - 对话历史上下文
+         * @returns {(string|*)[][]}
+         */
+        handleBeforeSend(context = []) {
+            const {systemPrompt} = getPageContext(this.$store);
+
+            const prepared = [
+                ['system', withLanguagePreferencePrompt(systemPrompt)],
+            ];
+
+            if (context.length > 0) {
+                prepared.push(...context);
+            }
+
+            return prepared;
+        }
     },
 };
 </script>
@@ -231,8 +273,8 @@ export default {
     position: fixed;
     z-index: 1000;
     border-radius: 50%;
-    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    background: #8bcf70;
-    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
+    box-shadow: 0 4px 12px lch(77 53.3 131.54 / 0.4);
     cursor: pointer;
     display: flex;
     align-items: center;
@@ -242,7 +284,7 @@ export default {
 
     &:hover {
         transform: scale(1.08);
-        box-shadow: 0 6px 16px rgba(102, 126, 234, 0.5);
+        box-shadow: 0 6px 16px lch(77 53.3 131.54 / 0.5);
     }
 
     &:active {

resources/assets/js/components/AIAssistant/index.vue

@@ -1,10 +1,8 @@
 <template>
-    <Modal
+    <AssistantModal
         v-model="showModal"
-        :width="shouldCreateNewSession ? '440px' : '600px'"
+        :displayMode="displayMode"
-        :mask-closable="false"
+        :shouldCreateNewSession="shouldCreateNewSession">
-        :footer-hide="true"
-        class-name="ai-assistant-modal">
         <div slot="header" class="ai-assistant-header">
             <div class="ai-assistant-header-title">
                 <i class="taskfont">&#xe8a1;</i>
@@ -90,6 +88,17 @@
                     </div>
                 </div>
             </div>
+            <div v-else-if="displayMode === 'chat'" class="ai-assistant-welcome" @click="onFocus">
+                <div class="ai-assistant-welcome-icon">
+                    <i class="taskfont">&#xe8a1;</i>
+                </div>
+                <div class="ai-assistant-welcome-title">
+                    欢迎使用 AI 助手
+                </div>
+                <div class="ai-assistant-welcome-swiper">
+                    <!-- Swiper 容器 -->
+                </div>
+            </div>
             <div class="ai-assistant-input">
                 <Input
                     v-model="inputValue"
@@ -131,7 +140,7 @@
                 </div>
             </div>
         </div>
-    </Modal>
+    </AssistantModal>
 </template>
 
 <script>
@@ -141,14 +150,16 @@ import {SSEClient} from "../../utils";
 import {AIBotMap, AIModelNames} from "../../utils/ai";
 import DialogMarkdown from "../../pages/manage/components/DialogMarkdown.vue";
 import FloatButton from "./float-button.vue";
+import AssistantModal from "./modal.vue";
 
 export default {
     name: 'AIAssistant',
-    components: {DialogMarkdown},
+    components: {AssistantModal, DialogMarkdown},
     floatButtonInstance: null,
     data() {
         return {
             // 弹窗状态
+            displayMode: 'modal',
             showModal: false,
             closing: false,
             loadIng: 0,
@@ -232,6 +243,13 @@ export default {
         },
     },
     methods: {
+        /**
+         * 获取输入框焦点事件
+         */
+        onFocus() {
+            this.$refs.inputRef?.focus();
+        },
+
         /**
          * 挂载浮动按钮到 body
          */
@@ -264,6 +282,25 @@ export default {
             if (!$A.isJson(params)) {
                 params = {};
             }
+            
+            const newDisplayMode = params.displayMode === 'chat' ? 'chat' : 'modal';
+            let timeout = 0;
+            if (this.showModal && this.displayMode === 'chat' && newDisplayMode === 'modal') {
+                this.showModal = false;
+                timeout = 50;
+            }
+
+            setTimeout(() => {
+                this.doOpenAssistant(params, newDisplayMode);
+            }, timeout);
+        },
+
+        /**
+         * 实际执行打开助手的逻辑
+         */
+        doOpenAssistant(params, displayMode) {
+            // 应用参数
+            this.displayMode = displayMode;
             this.inputValue = params.value || '';
             this.inputPlaceholder = params.placeholder || null;
             this.inputRows = params.rows || null;
@@ -289,7 +326,7 @@ export default {
             this.$nextTick(() => {
                 this.scheduleAutoSubmit();
                 this.scrollResponsesToBottom();
-                this.$refs.inputRef.focus();
+                this.onFocus();
             });
         },
 
@@ -1103,6 +1140,7 @@ export default {
                 this.currentSessionId = session.id;
                 this.responses = JSON.parse(JSON.stringify(session.responses));
                 this.syncResponseSeed();
+                this.scrollResponsesToBottom();
             }
         },
 
@@ -1174,262 +1212,251 @@ export default {
 </script>
 
 <style lang="scss">
-.ai-assistant-modal {
-    --apply-reasoning-before-bg: #e1e1e1;
-    .ivu-modal {
-        transition: width 0.3s, max-width 0.3s;
-        .ivu-modal-header {
-            border-bottom: none !important;
-        }
-        .ivu-modal-body {
-            padding: 0 !important;
-        }
-    }
 
-    .ai-assistant-header {
+.ai-assistant-header {
+    display: flex;
+    align-items: center;
+    margin: -11px 24px -10px 0;
+    height: 38px;
+
+    .ai-assistant-header-title {
+        flex: 1;
+        min-width: 0;
         display: flex;
         align-items: center;
-        margin: -11px 24px -10px 0;
+        color: #303133;
-        height: 38px;
+        padding-right: 12px;
+        gap: 8px;
 
-        .ai-assistant-header-title {
+        > i {
+            font-size: 18px;
+        }
+
+        > span {
             flex: 1;
             min-width: 0;
-            display: flex;
+            overflow: hidden;
-            align-items: center;
+            text-overflow: ellipsis;
-            color: #303133;
+            white-space: nowrap;
-            padding-right: 12px;
+            font-size: 18px;
-            gap: 8px;
+            font-weight: 500;
-
-            > i {
-                font-size: 18px;
-            }
-
-            > span {
-                flex: 1;
-                min-width: 0;
-                overflow: hidden;
-                text-overflow: ellipsis;
-                white-space: nowrap;
-                font-size: 18px;
-                font-weight: 500;
-            }
-        }
-        .ai-assistant-header-actions {
-            display: flex;
-            align-items: center;
-            gap: 4px;
-            
-            .ai-assistant-header-btn {
-                display: flex;
-                align-items: center;
-                justify-content: center;
-                width: 28px;
-                height: 28px;
-                border-radius: 6px;
-                cursor: pointer;
-                transition: background-color 0.2s;
-                &:hover {
-                    background-color: rgba(0, 0, 0, 0.06);
-                }
-                > i {
-                    font-size: 18px;
-                }
-            }
         }
     }
-
+    .ai-assistant-header-actions {
-    .ai-assistant-content {
         display: flex;
-        flex-direction: column;
+        align-items: center;
-        max-height: calc(var(--window-height) - var(--status-bar-height) - var(--navigation-bar-height) - 266px);
+        gap: 4px;
-        @media (height <= 900px) {
-            max-height: calc(var(--window-height) - var(--status-bar-height) - var(--navigation-bar-height) - 136px);
-        }
 
-        .ai-assistant-output {
+        .ai-assistant-header-btn {
-            flex: 1;
-            min-height: 0;
-            padding: 12px 24px;
-            margin-bottom: 12px;
-            border-radius: 0;
-            background: #f8f9fb;
-            border: 0;
-            overflow-y: auto;
-        }
-
-        .ai-assistant-output-item + .ai-assistant-output-item {
-            margin-top: 12px;
-            padding-top: 12px;
-            border-top: 1px solid rgba(0, 0, 0, 0.05);
-        }
-
-        .ai-assistant-output-apply {
-            position: sticky;
-            top: 0;
-            right: 0;
-            z-index: 1;
-            display: flex;
-            justify-content: flex-end;
-            align-items: center;
-            height: 26px;
-            color: #999;
-            gap: 4px;
-        }
-
-        .ai-assistant-output-icon {
-            font-size: 16px;
-            color: #52c41a;
-        }
-
-        .ai-assistant-apply-btn {
             display: flex;
             align-items: center;
             justify-content: center;
-            font-size: 13px;
+            width: 28px;
-            border-radius: 4px;
+            height: 28px;
-            height: 26px;
-            padding: 0 8px;
-        }
-
-        .ai-assistant-output-status {
-            color: #52c41a;
-        }
-
-        .ai-assistant-output-error {
-            color: #ff4d4f;
-        }
-
-        .ai-assistant-output-meta {
-            display: flex;
-            align-items: center;
-            height: 24px;
-            margin-top: -24px;
-        }
-
-        .ai-assistant-output-model {
-            max-width: 50%;
-            white-space: nowrap;
-            overflow: hidden;
-            text-overflow: ellipsis;
-            font-size: 12px;
-            font-weight: 600;
-            color: #2f54eb;
-            background: rgba(47, 84, 235, 0.08);
-            border-radius: 4px;
-            padding: 2px 8px;
-        }
-
-        .ai-assistant-output-question {
-            display: -webkit-box;
-            -webkit-line-clamp: 2;
-            -webkit-box-orient: vertical;
-            overflow: hidden;
-            font-size: 12px;
-            color: #666;
-            line-height: 1.4;
-            margin-top: 8px;
-        }
-
-        .ai-assistant-output-placeholder {
-            margin-top: 12px;
-            font-size: 13px;
-            color: #999;
-            padding: 8px;
             border-radius: 6px;
-            background: rgba(0, 0, 0, 0.02);
+            cursor: pointer;
-        }
+            transition: background-color 0.2s;
-
-        .ai-assistant-output-markdown {
-            margin-top: 12px;
-            font-size: 13px;
-
-            .apply-reasoning {
-                margin: 0 0 12px 0;
-                padding: 0 0 0 13px;
-                line-height: 26px;
-                position: relative;
-
-                &:before {
-                    content: "";
-                    position: absolute;
-                    top: 0;
-                    left: 0;
-                    bottom: 0;
-                    width: 2px;
-                    background-color: var(--apply-reasoning-before-bg);
-                }
-
-                .reasoning-label {
-                    margin-bottom: 4px;
-                    opacity: 0.9;
-                }
-
-                .reasoning-content {
-                    opacity: 0.5;
-                    > p:last-child {
-                        margin-bottom: 0;
-                    }
-                }
-            }
-        }
-    }
-
-    .ai-assistant-input {
-        padding: 4px 16px 16px;
-        display: flex;
-        flex-direction: column;
-        gap: 12px;
-
-        .ivu-input {
-            background-color: transparent;
-            border: 0;
-            border-radius: 0;
-            box-shadow: none;
-            padding: 0 8px;
-            resize: none;
             &:hover {
-                border-color: transparent;
+                background-color: rgba(0, 0, 0, 0.06);
+            }
+            > i {
+                font-size: 18px;
             }
         }
+    }
+}
 
-        .ivu-select-selection {
+.ai-assistant-content {
-            background-color: transparent;
+    display: flex;
-            border: 0;
+    flex-direction: column;
-            border-radius: 0;
+    max-height: calc(var(--window-height) - var(--status-bar-height) - var(--navigation-bar-height) - 266px);
-            box-shadow: none;
+    @media (height <= 900px) {
-            padding: 0 0 0 8px;
+        max-height: calc(var(--window-height) - var(--status-bar-height) - var(--navigation-bar-height) - 136px);
+    }
+
+    .ai-assistant-welcome,
+    .ai-assistant-output {
+        flex: 1;
+        min-height: 0;
+        padding: 12px 24px;
+        margin-bottom: 12px;
+        border-radius: 0;
+        background: #f8f9fb;
+        border: 0;
+        overflow-y: auto;
+    }
+
+    .ai-assistant-output-item + .ai-assistant-output-item {
+        margin-top: 12px;
+        padding-top: 12px;
+        border-top: 1px solid rgba(0, 0, 0, 0.05);
+    }
+
+    .ai-assistant-output-apply {
+        position: sticky;
+        top: 0;
+        right: 0;
+        z-index: 1;
+        display: flex;
+        justify-content: flex-end;
+        align-items: center;
+        height: 26px;
+        color: #999;
+        gap: 4px;
+    }
+
+    .ai-assistant-output-icon {
+        font-size: 16px;
+        color: #52c41a;
+    }
+
+    .ai-assistant-apply-btn {
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        font-size: 13px;
+        border-radius: 4px;
+        height: 26px;
+        padding: 0 8px;
+    }
+
+    .ai-assistant-output-status {
+        color: #52c41a;
+    }
+
+    .ai-assistant-output-error {
+        color: #ff4d4f;
+    }
+
+    .ai-assistant-output-meta {
+        display: flex;
+        align-items: center;
+        height: 24px;
+        margin-top: -24px;
+    }
+
+    .ai-assistant-output-model {
+        max-width: 50%;
+        white-space: nowrap;
+        overflow: hidden;
+        text-overflow: ellipsis;
+        font-size: 12px;
+        font-weight: 600;
+        color: #2f54eb;
+        background: rgba(47, 84, 235, 0.08);
+        border-radius: 4px;
+        padding: 2px 8px;
+    }
+
+    .ai-assistant-output-question {
+        display: -webkit-box;
+        -webkit-line-clamp: 2;
+        -webkit-box-orient: vertical;
+        overflow: hidden;
+        font-size: 12px;
+        color: #666;
+        line-height: 1.4;
+        margin-top: 8px;
+    }
+
+    .ai-assistant-output-placeholder {
+        margin-top: 12px;
+        font-size: 13px;
+        color: #999;
+        padding: 8px;
+        border-radius: 6px;
+        background: rgba(0, 0, 0, 0.02);
+    }
+
+    .ai-assistant-output-markdown {
+        margin-top: 12px;
+        font-size: 13px;
+
+        .apply-reasoning {
+            margin: 0 0 12px 0;
+            padding: 0 0 0 13px;
+            line-height: 26px;
+            position: relative;
+
+            &:before {
+                content: "";
+                position: absolute;
+                top: 0;
+                left: 0;
+                bottom: 0;
+                width: 2px;
+                background-color: var(--apply-reasoning-before-bg);
+            }
+
+            .reasoning-label {
+                margin-bottom: 4px;
+                opacity: 0.9;
+            }
+
+            .reasoning-content {
+                opacity: 0.5;
+                > p:last-child {
+                    margin-bottom: 0;
+                }
+            }
+        }
+    }
+}
+
+.ai-assistant-input {
+    padding: 4px 16px 16px;
+    display: flex;
+    flex-direction: column;
+    gap: 12px;
+
+    .ivu-input {
+        background-color: transparent;
+        border: 0;
+        border-radius: 0;
+        box-shadow: none;
+        padding: 0 8px;
+        resize: none;
+        &:hover {
+            border-color: transparent;
         }
     }
 
-    .ai-assistant-footer {
+    .ivu-select-selection {
-        display: flex;
+        background-color: transparent;
-        justify-content: space-between;
+        border: 0;
-        flex-wrap: wrap;
+        border-radius: 0;
-        gap: 12px;
+        box-shadow: none;
-        .ai-assistant-footer-models {
+        padding: 0 0 0 8px;
-            text-align: left;
+    }
-            .ivu-select-disabled {
+}
-                .ivu-select-selection {
+
-                    background-color: transparent;
+.ai-assistant-footer {
-                }
+    display: flex;
-            }
+    justify-content: space-between;
+    flex-wrap: wrap;
+    gap: 12px;
+    .ai-assistant-footer-models {
+        text-align: left;
+        .ivu-select-disabled {
             .ivu-select-selection {
-                border: 0;
+                background-color: transparent;
-                box-shadow: none;
-                .ivu-select-placeholder,
-                .ivu-select-selected-value {
-                    padding-left: 0;
-                    opacity: 0.8;
-                }
             }
         }
-        .ai-assistant-footer-btns {
+        .ivu-select-selection {
-            flex: 1;
+            border: 0;
-            display: flex;
+            box-shadow: none;
-            justify-content: flex-end;
+            .ivu-select-placeholder,
+            .ivu-select-selected-value {
+                padding-left: 0;
+                opacity: 0.8;
+            }
         }
     }
+    .ai-assistant-footer-btns {
+        flex: 1;
+        display: flex;
+        justify-content: flex-end;
+    }
 }
 
 .ai-assistant-history-menu {
@@ -1507,6 +1534,93 @@ export default {
         color: #F56C6C;
     }
 }
+
+.ai-assistant-chat {
+    position: fixed;
+    right: 24px;
+    bottom: 24px;
+    width: 460px;
+    height: 80vh;
+    min-width: 380px;
+    max-width: 600px;
+    max-height: 640px;
+    background-color: #ffffff;
+    box-shadow: 0 10px 30px 0 rgba(0, 0, 0, 0.12);
+    border-radius: 16px;
+    overflow: hidden;
+    display: flex;
+    flex-direction: column;
+
+    .ai-assistant-close {
+        position: absolute;
+        top: 6px;
+        right: 10px;
+        z-index: 1;
+        font-size: 38px;
+        color: #999;
+        cursor: pointer;
+        transition: all 0.2s;
+        &:hover {
+            color: #444;
+            transform: rotate(-90deg);
+        }
+    }
+
+    .ai-assistant-drag-handle {
+        cursor: move;
+        user-select: none;
+    }
+
+    .ai-assistant-header {
+        margin: 6px 48px 6px 16px;
+
+        .ai-assistant-header-title {
+            > span {
+                font-size: 17px;
+            }
+        }
+    }
+
+    .ai-assistant-content {
+        flex: 1;
+        min-height: 0;
+        display: flex;
+        flex-direction: column;
+
+        .ai-assistant-welcome {
+            .ai-assistant-welcome-icon {
+                margin-top: 12px;
+                i {
+                    font-size: 24px;
+                }
+            }
+            .ai-assistant-welcome-title {
+                margin-top: 12px;
+            }
+            .ai-assistant-welcome-swiper {
+                margin-top: 24px;
+            }
+        }
+    }
+
+    .ai-assistant-input {
+        padding: 4px 12px 12px;
+    }
+}
+
+.ai-assistant-modal {
+    --apply-reasoning-before-bg: #e1e1e1;
+    .ivu-modal {
+        transition: width 0.3s, max-width 0.3s;
+        .ivu-modal-header {
+            border-bottom: none !important;
+        }
+        .ivu-modal-body {
+            padding: 0 !important;
+        }
+    }
+}
+
 body.dark-mode-reverse {
     .ai-assistant-modal {
         --apply-reasoning-before-bg: #4e4e56;

resources/assets/js/components/AIAssistant/modal.vue

@@ -0,0 +1,295 @@
+<template>
+    <div v-if="displayMode === 'chat'" v-transfer-dom :data-transfer="true">
+        <transition name="fade">
+            <div
+                v-if="visible"
+                ref="chatWindow"
+                class="ai-assistant-chat"
+                :style="chatStyle">
+                <Icon class="ai-assistant-close" type="ios-close" @click="onClose"/>
+                <div
+                    class="ai-assistant-drag-handle"
+                    @mousedown.stop.prevent="onMouseDown">
+                    <slot name="header"></slot>
+                </div>
+                <slot></slot>
+            </div>
+        </transition>
+    </div>
+    <Modal
+        v-else
+        v-model="visible"
+        :width="shouldCreateNewSession ? '440px' : '600px'"
+        :mask-closable="false"
+        :footer-hide="true"
+        class-name="ai-assistant-modal">
+        <template #header>
+            <slot name="header"></slot>
+        </template>
+        <slot></slot>
+    </Modal>
+</template>
+
+<script>
+import TransferDom from "../../directives/transfer-dom";
+
+export default {
+    name: 'AssistantModal',
+    directives: {TransferDom},
+
+    props: {
+        value: {
+            type: Boolean,
+            default: false
+        },
+        displayMode: {
+            type: String,
+            default: 'modal'
+        },
+        shouldCreateNewSession: {
+            type: Boolean,
+            default: false
+        }
+    },
+
+    data() {
+        return {
+            // 位置存储：只保存两个距离（水平一个、垂直一个）
+            position: {
+                x: 24,              // 水平距离值
+                y: 24,              // 垂直距离值
+                fromRight: true,    // true: 距右边, false: 距左边
+                fromBottom: true,   // true: 距底部, false: 距顶部
+            },
+            dragging: false,
+            positionLoaded: false,
+            cacheKey: 'aiAssistant.chatPosition',
+            windowSize: {
+                width: 460,
+                height: 640,
+            },
+            record: {},
+        };
+    },
+
+    computed: {
+        visible: {
+            get() {
+                return this.value;
+            },
+            set(val) {
+                this.$emit('input', val);
+            }
+        },
+
+        clientWidth() {
+            return this.windowWidth || document.documentElement.clientWidth;
+        },
+
+        clientHeight() {
+            return this.windowHeight || document.documentElement.clientHeight;
+        },
+
+        // 计算实际的 left 值
+        left() {
+            if (this.position.fromRight) {
+                return this.clientWidth - this.windowSize.width - this.position.x;
+            }
+            return this.position.x;
+        },
+
+        // 计算实际的 top 值
+        top() {
+            if (this.position.fromBottom) {
+                return this.clientHeight - this.windowSize.height - this.position.y;
+            }
+            return this.position.y;
+        },
+
+        chatStyle() {
+            if (!this.positionLoaded) {
+                return {
+                    opacity: 0,
+                };
+            }
+            return {
+                left: `${this.left}px`,
+                top: `${this.top}px`,
+            };
+        },
+    },
+
+    watch: {
+        visible(val) {
+            if (val && this.displayMode === 'chat') {
+                this.$nextTick(() => {
+                    this.updateWindowSize();
+                });
+            }
+        },
+    },
+
+    mounted() {
+        this.loadPosition();
+        window.addEventListener('resize', this.onResize);
+    },
+
+    beforeDestroy() {
+        window.removeEventListener('resize', this.onResize);
+        document.removeEventListener('mousemove', this.onMouseMove);
+        document.removeEventListener('mouseup', this.onMouseUp);
+        document.removeEventListener('contextmenu', this.onContextMenu);
+    },
+
+    methods: {
+        /**
+         * 更新窗口实际尺寸
+         */
+        updateWindowSize() {
+            const el = this.$refs.chatWindow;
+            if (el) {
+                this.windowSize = {
+                    width: el.offsetWidth,
+                    height: el.offsetHeight,
+                };
+            }
+        },
+
+        /**
+         * 加载保存的位置
+         */
+        async loadPosition() {
+            try {
+                const saved = await $A.IDBString(this.cacheKey);
+                if (saved) {
+                    const pos = JSON.parse(saved);
+                    if (pos && typeof pos.x === 'number' && typeof pos.y === 'number') {
+                        this.position = pos;
+                        this.$nextTick(() => {
+                            this.checkBounds();
+                            this.positionLoaded = true;
+                        });
+                        return;
+                    }
+                }
+            } catch (e) {
+                // ignore
+            }
+            // 默认位置：右下角
+            this.position = {x: 24, y: 24, fromRight: true, fromBottom: true};
+            this.positionLoaded = true;
+        },
+
+        /**
+         * 保存位置
+         */
+        savePosition() {
+            $A.IDBSave(this.cacheKey, JSON.stringify(this.position));
+        },
+
+        /**
+         * 根据当前 left/top 更新 position 对象
+         */
+        updatePositionFromCoords(left, top) {
+            const centerX = left + this.windowSize.width / 2;
+            const centerY = top + this.windowSize.height / 2;
+
+            // 判断在哪个半区
+            const fromRight = centerX >= this.clientWidth / 2;
+            const fromBottom = centerY >= this.clientHeight / 2;
+
+            // 计算距离
+            const x = fromRight ? (this.clientWidth - this.windowSize.width - left) : left;
+            const y = fromBottom ? (this.clientHeight - this.windowSize.height - top) : top;
+
+            this.position = {x, y, fromRight, fromBottom};
+        },
+
+        /**
+         * 鼠标按下
+         */
+        onMouseDown(e) {
+            // 只响应鼠标左键
+            if (e.button !== 0) return;
+
+            this.updateWindowSize();
+            this.record = {
+                time: Date.now(),
+                startLeft: this.left,
+                startTop: this.top,
+                offsetX: e.clientX - this.left,
+                offsetY: e.clientY - this.top,
+            };
+            this.dragging = true;
+
+            document.addEventListener('mousemove', this.onMouseMove);
+            document.addEventListener('mouseup', this.onMouseUp);
+            document.addEventListener('contextmenu', this.onContextMenu);
+        },
+
+        /**
+         * 右键菜单弹出时取消拖动
+         */
+        onContextMenu() {
+            if (this.dragging) {
+                this.onMouseUp();
+            }
+        },
+
+        /**
+         * 鼠标移动
+         */
+        onMouseMove(e) {
+            if (!this.dragging) return;
+
+            const minMargin = 12;
+            let newLeft = e.clientX - this.record.offsetX;
+            let newTop = e.clientY - this.record.offsetY;
+
+            // 边界限制（最小边距12px）
+            newLeft = Math.max(minMargin, Math.min(newLeft, this.clientWidth - this.windowSize.width - minMargin));
+            newTop = Math.max(minMargin, Math.min(newTop, this.clientHeight - this.windowSize.height - minMargin));
+
+            this.updatePositionFromCoords(newLeft, newTop);
+        },
+
+        /**
+         * 鼠标松开
+         */
+        onMouseUp() {
+            document.removeEventListener('mousemove', this.onMouseMove);
+            document.removeEventListener('mouseup', this.onMouseUp);
+            document.removeEventListener('contextmenu', this.onContextMenu);
+
+            this.savePosition();
+            this.dragging = false;
+        },
+
+        /**
+         * 检查边界（仅在加载和窗口变化时调用）
+         */
+        checkBounds() {
+            const minMargin = 12;
+            // 确保距离在有效范围内（最小12px，最大不超出屏幕）
+            const maxX = this.clientWidth - this.windowSize.width - minMargin;
+            const maxY = this.clientHeight - this.windowSize.height - minMargin;
+            this.position.x = Math.max(minMargin, Math.min(this.position.x, maxX));
+            this.position.y = Math.max(minMargin, Math.min(this.position.y, maxY));
+        },
+
+        /**
+         * 窗口大小改变
+         */
+        onResize() {
+            this.$nextTick(() => {
+                this.updateWindowSize();
+                this.checkBounds();
+            });
+        },
+
+        onClose() {
+            this.$emit('input', false);
+        }
+    }
+};
+</script>

resources/assets/js/components/AIAssistant/page-context.js

@@ -0,0 +1,226 @@
+/**
+ * AI 助手页面上下文配置
+ *
+ * 根据当前路由和应用状态，为 AI 助手提供针对性的系统提示词
+ * 原则：诚实描述 AI 能力边界，不承诺做不到的事情
+ */
+
+/**
+ * 获取当前页面的 AI 上下文
+ * @param {Object} store - Vuex store 实例
+ * @returns {Object} { systemPrompt, title }
+ */
+export function getPageContext(store) {
+    const routeName = store.state.routeName;
+
+    const contextMap = {
+        'manage-dashboard': getDashboardContext,
+        'manage-project': getProjectContext,
+        'manage-messenger': getMessengerContext,
+        'manage-calendar': getCalendarContext,
+        'manage-file': getFileContext,
+    };
+
+    const getContext = contextMap[routeName];
+    if (getContext) {
+        return getContext(store);
+    }
+
+    return getDefaultContext();
+}
+
+/**
+ * 仪表盘上下文
+ */
+function getDashboardContext(store) {
+    const dashboardTask = store.getters.dashboardTask || {};
+    const assistTask = store.getters.assistTask || [];
+
+    const overdueCount = dashboardTask.overdue_count || 0;
+    const todayCount = dashboardTask.today_count || 0;
+    const todoCount = dashboardTask.todo_count || 0;
+    const assistCount = assistTask.length || 0;
+
+    const lines = [
+        '你是一个工作效率助手。用户正在查看仪表盘。',
+        '',
+        '当前任务概况：',
+    ];
+
+    if (overdueCount > 0 || todayCount > 0 || todoCount > 0 || assistCount > 0) {
+        if (overdueCount > 0) lines.push(`- 逾期任务：${overdueCount} 个`);
+        if (todayCount > 0) lines.push(`- 今日到期：${todayCount} 个`);
+        if (todoCount > 0) lines.push(`- 待办任务：${todoCount} 个`);
+        if (assistCount > 0) lines.push(`- 协助任务：${assistCount} 个`);
+    } else {
+        lines.push('- 暂无待办任务');
+    }
+
+    lines.push(
+        '',
+        '你可以帮助用户：',
+        '- 回答任务管理和时间规划相关问题',
+        '- 根据用户描述的任务情况给出优先级建议',
+        '- 协助用户整理和规划工作思路',
+    );
+
+    return {
+        title: '工作助手',
+        systemPrompt: lines.join('\n'),
+    };
+}
+
+/**
+ * 项目详情上下文
+ */
+function getProjectContext(store) {
+    const project = store.getters.projectData || {};
+    const columns = store.state.cacheColumns || [];
+    const tasks = store.state.cacheTasks || [];
+
+    const lines = [
+        '你是一个项目管理助手。用户正在查看项目详情页面。',
+    ];
+
+    if (project.id) {
+        // 项目基本信息
+        lines.push('', '当前项目：');
+        lines.push(`- project_id：${project.id}`);
+        if (project.name) {
+            lines.push(`- 名称：${project.name}`);
+        }
+
+        if (project.desc) {
+            const desc = project.desc.length > 200 ? project.desc.substring(0, 200) + '...' : project.desc;
+            lines.push(`- 描述：${desc}`);
+        }
+
+        // 任务统计
+        const projectTasks = tasks.filter(t => t.project_id === project.id);
+        if (projectTasks.length > 0) {
+            const completedCount = projectTasks.filter(t => t.complete_at).length;
+            const overdueCount = projectTasks.filter(t => !t.complete_at && t.end_at && new Date(t.end_at) < new Date()).length;
+
+            lines.push('', '任务统计：');
+            lines.push(`- 总任务：${projectTasks.length} 个`);
+            lines.push(`- 已完成：${completedCount} 个`);
+            if (overdueCount > 0) {
+                lines.push(`- 已逾期：${overdueCount} 个`);
+            }
+        }
+
+        // 看板列
+        const projectColumns = columns.filter(c => c.project_id === project.id);
+        if (projectColumns.length > 0) {
+            const columnNames = projectColumns.map(c => c.name).join('、');
+            lines.push('', `看板列：${columnNames}`);
+        }
+    }
+
+    lines.push(
+        '',
+        '你可以帮助用户：',
+        '- 协助拆解用户描述的需求为具体任务',
+        '- 回答项目管理方法和最佳实践问题',
+        '- 根据用户提供的信息给出排期建议',
+    );
+
+    return {
+        title: '项目助手',
+        systemPrompt: lines.join('\n'),
+    };
+}
+
+/**
+ * 消息对话上下文
+ */
+function getMessengerContext(store) {
+    const dialogId = store.state.dialogId;
+    const dialogs = store.state.cacheDialogs || [];
+    const dialog = dialogs.find(d => d.id === dialogId);
+
+    const lines = [
+        '你是一个沟通协作助手。用户正在使用消息功能。',
+    ];
+
+    if (dialog) {
+        const dialogType = dialog.type === 'group' ? '群聊' : '私聊';
+        lines.push('', '当前对话：');
+        lines.push(`- dialog_id：${dialog.id}`);
+        lines.push(`- 类型：${dialogType}`);
+        if (dialog.name) {
+            lines.push(`- 名称：${dialog.name}`);
+        }
+    }
+
+    lines.push(
+        '',
+        '你可以帮助用户：',
+        '- 润色和优化用户输入的消息内容',
+        '- 根据用户描述的场景生成得体的回复',
+        '- 翻译消息内容',
+        '',
+        '请保持回复简洁、专业、得体。',
+    );
+
+    return {
+        title: '沟通助手',
+        systemPrompt: lines.join('\n'),
+    };
+}
+
+/**
+ * 日历上下文
+ */
+function getCalendarContext() {
+    const lines = [
+        '你是一个时间管理助手。用户正在查看日历。',
+        '',
+        '你可以帮助用户：',
+        '- 回答时间管理和日程规划相关问题',
+        '- 根据用户描述的安排给出优化建议',
+        '- 协助用户合理安排会议和任务时间',
+    ];
+
+    return {
+        title: '日程助手',
+        systemPrompt: lines.join('\n'),
+    };
+}
+
+/**
+ * 文件管理上下文
+ */
+function getFileContext() {
+    const lines = [
+        '你是一个文件管理助手。用户正在查看文件管理页面。',
+        '',
+        '你可以帮助用户：',
+        '- 回答文件整理和分类相关问题',
+        '- 根据用户描述建议文件命名和组织方式',
+    ];
+
+    return {
+        title: '文件助手',
+        systemPrompt: lines.join('\n'),
+    };
+}
+
+/**
+ * 默认上下文（通用）
+ */
+function getDefaultContext() {
+    const lines = [
+        '你是 DooTask 的 AI 助手。',
+        '',
+        '你可以帮助用户：',
+        '- 回答任务管理和项目协作相关问题',
+        '- 提供工作效率和方法论建议',
+        '- 协助处理各种工作事务',
+    ];
+
+    return {
+        title: 'AI 助手',
+        systemPrompt: lines.join('\n'),
+    };
+}