feat: expand intelligent investigation workspace

src/features/agent/api/client.test.ts

@@ -1,7 +1,32 @@
 import { afterEach, describe, expect, it, vi } from "vitest";
-import { createAgentApiClient } from "./client";
+import { AgentResponseFinishedError, createAgentApiClient } from "./client";
 
 describe("Agent prompt suggestions", () => {
+  it("probes public readiness without loading identity or project credentials", async () => {
+    const getAccessToken = vi.fn(async () => "private-token");
+    const getProjectId = vi.fn(async () => "project");
+    const fetcher = vi.fn().mockResolvedValueOnce(Response.json({ ok: true, ready: true }))
+      .mockResolvedValueOnce(Response.json({ ok: true, ready: false }));
+    vi.stubGlobal("fetch", fetcher);
+    const client = createAgentApiClient("https://agent.local/prefix", { getAccessToken, getProjectId });
+    const signal = new AbortController().signal;
+    await expect(client.getHealth(signal)).resolves.toBeUndefined();
+    expect(fetcher).toHaveBeenCalledWith("https://agent.local/prefix/health", { signal, cache: "no-store" });
+    expect(getAccessToken).not.toHaveBeenCalled();
+    expect(getProjectId).not.toHaveBeenCalled();
+    await expect(client.getHealth(signal)).rejects.toThrow("尚未就绪");
+  });
+  it("distinguishes a proven pre-admission idle response from ambiguous input conflicts", async () => {
+    const fetchMock = vi.fn()
+      .mockResolvedValueOnce(Response.json({ code: "RESPONSE_FINISHED", message: "finished" }, { status: 409 }))
+      .mockResolvedValueOnce(Response.json({ message: "unknown conflict" }, { status: 409 }));
+    vi.stubGlobal("fetch", fetchMock);
+    const client = createAgentApiClient("http://agent.local");
+    await expect(client.submitResponseInput("s", "next", "queue", `msg_${"1".repeat(32)}`)).rejects.toBeInstanceOf(AgentResponseFinishedError);
+    const uncertain = client.submitResponseInput("s", "next", "queue", `msg_${"2".repeat(32)}`);
+    await expect(uncertain).rejects.not.toBeInstanceOf(AgentResponseFinishedError);
+    expect(fetchMock).toHaveBeenCalledTimes(2);
+  });
   it("uses owned topic endpoints and retains full-text hits from another topic", async () => {
     const topic = { id: "topic-a", name: "城南压力问题", createdAt: "2026-10-22T01:00:00Z", updatedAt: "2026-10-22T01:00:00Z" };
     const fetchMock = vi.fn()