refactor: remove seeded boss console conversation

tests/thread-message-preflight.test.ts

@@ -44,6 +44,39 @@ test.beforeEach(async () => {
   await writeState(structuredClone(baseState));
 });
 
+function buildSingleThreadProject(projectId: string) {
+  return {
+    id: projectId,
+    name: "测试线程",
+    pinned: false,
+    systemPinned: false,
+    deviceIds: ["mac-studio"],
+    preview: "测试线程等待继续处理。",
+    updatedAt: "2026-04-04T11:30:00+08:00",
+    lastMessageAt: "2026-04-04T11:30:00+08:00",
+    isGroup: false,
+    threadMeta: {
+      projectId,
+      threadId: "thread-preflight",
+      threadDisplayName: "测试线程",
+      folderName: "测试项目",
+      activityIconCount: 0,
+      updatedAt: "2026-04-04T11:30:00+08:00",
+      codexThreadRef: "thread-preflight",
+      codexFolderRef: "preflight-project",
+    },
+    groupMembers: [],
+    createdByAgent: true,
+    collaborationMode: "development" as const,
+    approvalState: "not_required" as const,
+    unreadCount: 0,
+    riskLevel: "low" as const,
+    messages: [],
+    goals: [],
+    versions: [],
+  };
+}
+
 async function createAuthedRequest(projectId: string, body: { body: string }) {
   const session = await createAuthSession({
     account: "17600003315",
@@ -65,14 +98,17 @@ async function createAuthedRequest(projectId: string, body: { body: string }) {
 test("single-thread message rejects projects without a real codex thread binding", async () => {
   await setup();
   const state = await readState();
-  const singleProject = state.projects.find(
-    (project) => project.id !== "master-agent" && !project.isGroup,
-  );
-  assert.ok(singleProject, "expected a seeded single-thread project");
+  const singleProject = buildSingleThreadProject("preflight-thread");
 
   await writeState({
     ...state,
-    projects: state.projects.map((project) =>
+    projects: state.projects.concat(singleProject),
+  });
+
+  const nextState = await readState();
+  await writeState({
+    ...nextState,
+    projects: nextState.projects.map((project) =>
       project.id === singleProject.id
         ? {
             ...project,
@@ -96,8 +132,8 @@ test("single-thread message rejects projects without a real codex thread binding
   assert.equal(payload.code, "THREAD_BINDING_REQUIRED");
   assert.equal(payload.message, "当前线程还没有绑定真实 Codex 线程，请先重新导入该线程后再试。");
 
-  const nextState = await readState();
-  const queuedTask = nextState.masterAgentTasks.find(
+  const finalState = await readState();
+  const queuedTask = finalState.masterAgentTasks.find(
     (task) => task.projectId === singleProject.id && task.taskType === "conversation_reply",
   );
   assert.equal(queuedTask, undefined);