fix assistant prompt submission

apps/nextjs/src/components/assistant/assistant-send.spec.ts

@@ -3,22 +3,44 @@ import { describe, expect, test, vi } from "vitest";
 import { sendAssistantPrompt } from "./assistant-send";
 
 describe("sendAssistantPrompt", () => {
-  test("uses the composer lifecycle so programmatic prompts start a run", () => {
-    const calls: string[] = [];
-    const composer = {
-      setText: vi.fn((text: string) => calls.push(`set:${text}`)),
-      send: vi.fn(() => calls.push("send")),
+  test("appends a trimmed user prompt and explicitly starts a run", () => {
+    const append = vi.fn();
+    const runtime = {
+      composer: () => ({ getState: () => ({ runConfig: { custom: { source: "spotlight" } } }) }),
+      thread: () => ({ append }),
     };
 
-    expect(sendAssistantPrompt(composer, "  Check my services  ")).toBe(true);
-    expect(calls).toEqual(["set:Check my services", "send"]);
+    expect(sendAssistantPrompt(runtime, "  Check my services  ")).toBe(true);
+    expect(append).toHaveBeenCalledWith({
+      role: "user",
+      content: [{ type: "text", text: "Check my services" }],
+      runConfig: { custom: { source: "spotlight" } },
+      startRun: true,
+    });
   });
 
-  test("ignores empty prompts", () => {
-    const composer = { setText: vi.fn(), send: vi.fn() };
+  test("does not replace an existing composer draft", () => {
+    const append = vi.fn();
+    const getState = vi.fn(() => ({ text: "Keep this draft", runConfig: {} }));
+    const runtime = {
+      composer: () => ({ getState }),
+      thread: () => ({ append }),
+    };
 
-    expect(sendAssistantPrompt(composer, "   ")).toBe(false);
-    expect(composer.setText).not.toHaveBeenCalled();
-    expect(composer.send).not.toHaveBeenCalled();
+    sendAssistantPrompt(runtime, "Run a health check");
+
+    expect(getState().text).toBe("Keep this draft");
+    expect(append).toHaveBeenCalledOnce();
+  });
+
+  test("ignores empty prompts without touching the runtime", () => {
+    const runtime = {
+      composer: vi.fn(),
+      thread: vi.fn(),
+    };
+
+    expect(sendAssistantPrompt(runtime, "   ")).toBe(false);
+    expect(runtime.composer).not.toHaveBeenCalled();
+    expect(runtime.thread).not.toHaveBeenCalled();
   });
 });