feat: 接入一库一工具知识检索

- 编译知识库英文运行名、描述、检索配置和独立 Registration

- 统一最终分数阈值并保持模型上下文、检索事件与引用一致

- 完善 AG-UI 知识库检索运行态与完成态展示

easyflow-ui-admin/app/src/views/ai/shared/agent-agui/client.ts

@@ -5,6 +5,8 @@ import { events } from 'fetch-event-stream';
 
 import { createEventStreamHeaders, resolveApiUrl } from '#/api/request';
 
+import { easyFlowAguiCustomEvent } from './custom-events';
+
 export interface EasyFlowAguiRunOptions {
   forwardedProps?: Record<string, unknown>;
   onCursor?: (cursor: number) => void;
@@ -101,6 +103,31 @@ function waitForToolStartPaint(): Promise<void> {
   });
 }
 
+/**
+ * 判断事件是否开启了需要即时呈现的工具执行状态。
+ *
+ * @param event AG-UI 事件
+ * @returns 标准工具开始或知识库检索开始时为 true
+ */
+function startsVisibleToolExecution(event: AguiEvent) {
+  if (event.type === EventType.TOOL_CALL_START) {
+    return true;
+  }
+  if (
+    event.type !== EventType.CUSTOM ||
+    event.name !== easyFlowAguiCustomEvent.knowledgeRetrievalStatus
+  ) {
+    return false;
+  }
+  const value =
+    event.value &&
+    typeof event.value === 'object' &&
+    !Array.isArray(event.value)
+      ? (event.value as Record<string, unknown>)
+      : {};
+  return String(value.status || '').toLowerCase() === 'running';
+}
+
 /**
  * EasyFlow 的无头 AG-UI 运行客户端。
  *
@@ -174,7 +201,7 @@ export class EasyFlowAguiClient {
         ) {
           terminalReceived = true;
         }
-        if (event.type === EventType.TOOL_CALL_START) {
+        if (startsVisibleToolExecution(event as AguiEvent)) {
           await waitForToolStartPaint();
         }
       }
@@ -233,7 +260,7 @@ export class EasyFlowAguiClient {
         if (Number.isSafeInteger(cursor) && cursor > 0) {
           options.onCursor?.(cursor);
         }
-        if (event.type === EventType.TOOL_CALL_START) {
+        if (startsVisibleToolExecution(event as AguiEvent)) {
           await waitForToolStartPaint();
         }
       }