feat: 同步知识库与工作台相关改动

eai_ap_app/frontend/src/api/ai.js

@@ -38,8 +38,32 @@ export function getSecretsStatus() {
 }
 
 // SSE 流式对话：后端 text/event-stream，每行 "data: {json}\n\n"
-export async function streamChat(message, context, history, onChunk) {
+export async function streamChat(message, context, history, handlers) {
   const token = localStorage.getItem('token')
+  const onChunk = typeof handlers === 'function' ? handlers : handlers?.onChunk
+  const onMeta = typeof handlers === 'function' ? null : handlers?.onMeta
+  const onDone = typeof handlers === 'function' ? null : handlers?.onDone
+  const traceId = `chat-${Date.now()}`
+  // #region debug-point A:frontend-request
+  fetch('http://127.0.0.1:7777/event', {
+    method: 'POST',
+    body: JSON.stringify({
+      sessionId: 'knowledge-chat-401',
+      runId: 'pre-fix',
+      hypothesisId: 'A',
+      location: 'frontend/src/api/ai.js:streamChat:request',
+      traceId,
+      msg: '[DEBUG] streamChat request',
+      data: {
+        hasToken: Boolean(token),
+        url: '/api/ai-chat/message',
+        messagePreview: String(message || '').slice(0, 80),
+        spaceKey: context?.knowledge_space_key || '',
+      },
+      ts: Date.now(),
+    }),
+  }).catch(() => {})
+  // #endregion
   const resp = await fetch('/api/ai-chat/message', {
     method: 'POST',
     headers: {
@@ -51,12 +75,33 @@ export async function streamChat(message, context, history, onChunk) {
 
   if (!resp.ok) {
     let msg = 'LLM 请求失败'
+    let raw = ''
     try {
-      const j = await resp.json()
+      raw = await resp.text()
+      const j = JSON.parse(raw)
       msg = j.message || j.error || msg
     } catch {
       /* ignore */
     }
+    // #region debug-point A:frontend-non200
+    fetch('http://127.0.0.1:7777/event', {
+      method: 'POST',
+      body: JSON.stringify({
+        sessionId: 'knowledge-chat-401',
+        runId: 'pre-fix',
+        hypothesisId: 'A',
+        location: 'frontend/src/api/ai.js:streamChat:non200',
+        traceId,
+        msg: '[DEBUG] streamChat non-200 response',
+        data: {
+          status: resp.status,
+          statusText: resp.statusText,
+          bodyPreview: String(raw || '').slice(0, 240),
+        },
+        ts: Date.now(),
+      }),
+    }).catch(() => {})
+    // #endregion
     throw new Error(msg)
   }
 
@@ -84,10 +129,13 @@ export async function streamChat(message, context, history, onChunk) {
         continue
       }
       if (obj.type === 'text') {
-        onChunk(obj.content)
+        onChunk?.(obj.content)
+      } else if (obj.type === 'meta') {
+        onMeta?.(obj)
       } else if (obj.type === 'error') {
         throw new Error(obj.message || 'LLM 请求失败')
       } else if (obj.type === 'done') {
+        onDone?.()
         return
       }
     }