feat(agent): stream admin debug preview

ai_knowledge_base_v2/apps/admin-web/src/services/api.ts

@@ -2,6 +2,7 @@ import type {
   AdminProfile,
   AdminUser,
   AgentDebugResult,
+  AgentDebugStreamComplete,
   AgentGenerationConfig,
   AgentRuntimeConfig,
   AiLogRecord,
@@ -217,3 +218,48 @@ export const api = {
   clearFeishuCache: () =>
     request<{ cleared: number; message: string }>("/admin/feishu/cache/clear", { method: "POST", body: "{}" }),
 };
+
+export async function streamDebugAgent(
+  payload: Record<string, unknown>,
+  onChunk: (chunk: string) => void,
+  onComplete: (result: AgentDebugStreamComplete) => void,
+  signal?: AbortSignal,
+) {
+  const token = getToken();
+  const response = await fetch(`${API_BASE}/admin/agent/debug/stream`, {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+      ...(token ? { Authorization: `Bearer ${token}` } : {}),
+    },
+    body: JSON.stringify(payload),
+    signal,
+  });
+  if (!response.ok || !response.body) {
+    const body = await readApiResponse<unknown>(response);
+    throw new Error(body.detail || body.message || "Agent 调试连接失败");
+  }
+  const reader = response.body.getReader();
+  const decoder = new TextDecoder("utf-8");
+  let buffer = "";
+  while (true) {
+    const { done, value } = await reader.read();
+    if (done) break;
+    buffer += decoder.decode(value, { stream: true });
+    const events = buffer.split(/\r?\n\r?\n/);
+    buffer = events.pop() ?? "";
+    for (const event of events) {
+      const dataLines = event.split(/\r?\n/).filter((line) => line.startsWith("data:"));
+      if (!dataLines.length) continue;
+      const data = dataLines.map((line) => line.slice(5).trimStart()).join("\n").trim();
+      if (data === "[DONE]") return;
+      const parsed = JSON.parse(data) as AgentDebugStreamComplete & {
+        type?: string;
+        content?: string;
+      };
+      if (parsed.type === "error") throw new Error(parsed.message || "Agent 调试失败");
+      if (parsed.type === "content" && parsed.content) onChunk(parsed.content);
+      if (parsed.type === "complete") onComplete(parsed);
+    }
+  }
+}