refactor: disable automatic main-agent thread sync pushes

src/lib/boss-data.ts

@@ -2882,8 +2882,6 @@ function appendThreadProgressEventInState(
   return event;
 }
 
-const THREAD_STATUS_FULL_SYNC_INTERVAL_MS = 15 * 60_000;
-
 function normalizeState(raw: Partial<BossState> | undefined): BossState {
   const base = cloneInitialState();
   if (!raw) return syncDerivedState(base);
@@ -7635,6 +7633,15 @@ function shouldQueueProjectUnderstandingSync(
   state: BossState,
   reason: "heartbeat_activity" | "thread_reply" = "heartbeat_activity",
 ) {
+  // 主 Agent 自动向线程发隐藏理解对话当前整体关闭。
+  // 保留现有数据模型，后续如果需要恢复，可在明确产品决策后重新开启。
+  void project;
+  void observedActivityAt;
+  void state;
+  void reason;
+  return false;
+
+  /*
   if (!isDispatchableThreadProject(project)) {
     return false;
   }
@@ -7681,6 +7688,7 @@ function shouldQueueProjectUnderstandingSync(
       task.projectUnderstandingTargetProjectId === project.id &&
       (task.status === "queued" || task.status === "running"),
   );
+  */
 }
 
 function buildProjectUnderstandingSyncPrompt(project: Project, reason: "heartbeat_activity" | "thread_reply") {

src/lib/boss-master-agent.ts

@@ -1775,35 +1775,6 @@ function buildDeviceImportResolutionPrompt(params: {
   ].join("\n");
 }
 
-function buildDeviceImportUnderstandingPrompt(params: {
-  deviceName: string;
-  draftId: string;
-  candidateId: string;
-  threadDisplayName: string;
-  folderName: string;
-  lastActiveAt: string;
-}) {
-  return [
-    "你正在协助 Boss 控制台完成新设备导入前的项目理解。",
-    "请以当前活跃线程的视角，直接总结这个项目当前最关键的信息。",
-    "输出必须是 JSON，对象结构如下：",
-    '{ "projectGoal": "一句中文目标", "currentProgress": "一句中文进度", "technicalArchitecture": "一句中文架构说明", "currentBlockers": "一句中文阻塞说明", "recommendedNextStep": "一句中文建议动作" }',
-    "要求：",
-    "1. 只输出 JSON，不要输出额外解释。",
-    "2. 用中文，句子短而明确。",
-    "3. 如果某项信息不确定，也要明确写出当前已知范围，不要留空。",
-    "",
-    `deviceName: ${params.deviceName}`,
-    `draftId: ${params.draftId}`,
-    `candidateId: ${params.candidateId}`,
-    `threadDisplayName: ${params.threadDisplayName}`,
-    `folderName: ${params.folderName}`,
-    `lastActiveAt: ${params.lastActiveAt}`,
-    "",
-    "请回答当前项目：目标、进度、技术架构、阻塞点、下一步建议。",
-  ].join("\n");
-}
-
 export async function queueDeviceImportResolutionTask(params: {
   deviceId: string;
   reviewedBy: string;
@@ -1824,35 +1795,7 @@ export async function queueDeviceImportResolutionTask(params: {
   const selectedCandidates = draft.candidates.filter((candidate) =>
     draft.selectedCandidateIds.includes(candidate.candidateId),
   );
-  const understandingTasks = await Promise.all(
-    selectedCandidates
-      .filter((candidate) => candidate.codexThreadRef?.trim())
-      .map((candidate) =>
-        queueMasterAgentTask({
-          projectId: "master-agent",
-          taskType: "conversation_reply",
-          requestMessageId: draft.draftId,
-          requestText: `请总结线程 ${candidate.threadDisplayName} 当前项目目标与进度`,
-          executionPrompt: buildDeviceImportUnderstandingPrompt({
-            deviceName: device.name,
-            draftId: draft.draftId,
-            candidateId: candidate.candidateId,
-            threadDisplayName: candidate.threadDisplayName,
-            folderName: candidate.folderName,
-            lastActiveAt: candidate.lastActiveAt,
-          }),
-          requestedBy: params.reviewedBy,
-          requestedByAccount: params.reviewedBy,
-          deviceId: device.id,
-          deviceImportDraftId: draft.draftId,
-          deviceImportCandidateId: candidate.candidateId,
-          deviceImportCandidateFolderName: candidate.folderName,
-          targetThreadDisplayName: candidate.threadDisplayName,
-          targetCodexThreadRef: candidate.codexThreadRef,
-          targetCodexFolderRef: candidate.codexFolderRef ?? candidate.folderRef,
-        }),
-      ),
-  );
+  const understandingTasks: Array<Awaited<ReturnType<typeof queueMasterAgentTask>>> = [];
   const task = await queueMasterAgentTask({
     projectId: "master-agent",
     taskType: "device_import_resolution",