feat: 全新智能体功能

- 基于先进智能体框架，增加智能体编排功能
- 增加智能体聊天，并对接持久化

easyflow-ui-admin/packages/effects/common-ui/src/components/chat-timeline/index.ts

@@ -0,0 +1,29 @@
+export { ChatTimelineBuilder } from './builder';
+export { default as ChatErrorNotice } from './ChatErrorNotice.vue';
+export { default as ChatKnowledgeCard } from './ChatKnowledgeCard.vue';
+export { default as ChatMessageToolbar } from './ChatMessageToolbar.vue';
+export { default as ChatTextBlock } from './ChatTextBlock.vue';
+export { default as ChatTimeline } from './ChatTimeline.vue';
+export { default as ChatTimelineItemView } from './ChatTimelineItem.vue';
+export { default as ChatTimelineStatusRow } from './ChatTimelineStatusRow.vue';
+export { default as ChatToolApprovalCard } from './ChatToolApprovalCard.vue';
+export { default as ChatToolCard } from './ChatToolCard.vue';
+export { default as ChatVariantNavigator } from './ChatVariantNavigator.vue';
+export type {
+  ChatTimelineErrorItem,
+  ChatTimelineItem,
+  ChatTimelineItemStatus,
+  ChatTimelineKnowledgeHit,
+  ChatTimelineKnowledgeItem,
+  ChatTimelineMessageItem,
+  ChatTimelineMessagePart,
+  ChatTimelineRole,
+  ChatTimelineThinkingStatus,
+  ChatTimelineStatusItem,
+  ChatTimelineStatusStatus,
+  ChatTimelineStatusTone,
+  ChatTimelineToolApprovalItem,
+  ChatTimelineToolApprovalPayload,
+  ChatTimelineToolItem,
+  ChatTimelineToolStatus,
+} from './types';