diff --git a/src/lib/boss-data.ts b/src/lib/boss-data.ts
index f317431..099042b 100644
--- a/src/lib/boss-data.ts
+++ b/src/lib/boss-data.ts
@@ -2965,9 +2965,64 @@ function normalizeState(raw: Partial<BossState> | undefined): BossState {
     state.projects.unshift(base.projects[0]);
   }
 
+  removeLegacyBossConsoleArtifacts(state);
   return syncDerivedState(state);
 }
 
+const LEGACY_BOSS_CONSOLE_PROJECT_ID = "boss-console";
+const LEGACY_BOSS_CONSOLE_PROJECT_NAME = "Boss 移动控制台";
+
+function isLegacyBossConsoleRef(value?: string | null) {
+  const normalized = value?.trim();
+  return (
+    normalized === LEGACY_BOSS_CONSOLE_PROJECT_ID ||
+    normalized === LEGACY_BOSS_CONSOLE_PROJECT_NAME
+  );
+}
+
+function removeLegacyBossConsoleArtifacts(state: BossState) {
+  state.projects = state.projects.filter((project) => !isLegacyBossConsoleRef(project.id));
+  state.devices = state.devices.map((device) => ({
+    ...device,
+    projects: device.projects.filter((project) => !isLegacyBossConsoleRef(project)),
+  }));
+  state.masterAgentMemories = state.masterAgentMemories.filter(
+    (memory) => !isLegacyBossConsoleRef(memory.projectId),
+  );
+  state.userProjectAgentControls = state.userProjectAgentControls.filter(
+    (item) => !isLegacyBossConsoleRef(item.projectId),
+  );
+  state.threadContextSnapshots = state.threadContextSnapshots.filter(
+    (snapshot) => !isLegacyBossConsoleRef(snapshot.projectId),
+  );
+  state.threadHandoffPackages = state.threadHandoffPackages.filter(
+    (item) => !isLegacyBossConsoleRef(item.projectId),
+  );
+  state.threadContextAlerts = state.threadContextAlerts.filter(
+    (item) => !isLegacyBossConsoleRef(item.projectId),
+  );
+  state.opsFaults = state.opsFaults.filter((item) => !isLegacyBossConsoleRef(item.projectId));
+  state.masterAgentTasks = state.masterAgentTasks.filter(
+    (task) =>
+      !isLegacyBossConsoleRef(task.projectId) &&
+      !isLegacyBossConsoleRef(task.targetProjectId) &&
+      !isLegacyBossConsoleRef(task.projectUnderstandingTargetProjectId),
+  );
+  state.dispatchPlans = state.dispatchPlans.filter(
+    (plan) =>
+      !isLegacyBossConsoleRef(plan.groupProjectId) &&
+      !(plan.targets ?? []).some((target) => isLegacyBossConsoleRef(target.projectId)) &&
+      !(plan.confirmedTargetProjectIds ?? []).some((projectId) =>
+        isLegacyBossConsoleRef(projectId),
+      ),
+  );
+  state.dispatchExecutions = state.dispatchExecutions.filter(
+    (execution) =>
+      !isLegacyBossConsoleRef(execution.groupProjectId) &&
+      !isLegacyBossConsoleRef(execution.targetProjectId),
+  );
+}
+
 function latestProjectTimestamp(state: BossState, projectId: string) {
   const project = state.projects.find((item) => item.id === projectId);
   const messageTimes = (project?.messages ?? []).map((message) => messageTimeValue(message.sentAt));
diff --git a/tests/conversation-home-items.test.ts b/tests/conversation-home-items.test.ts
index 8344378..1db1101 100644
--- a/tests/conversation-home-items.test.ts
+++ b/tests/conversation-home-items.test.ts
@@ -2,7 +2,7 @@ import test from "node:test";
 import assert from "node:assert/strict";
 import os from "node:os";
 import path from "node:path";
-import { mkdtemp, rm } from "node:fs/promises";
+import { mkdtemp, rm, writeFile } from "node:fs/promises";
 
 let runtimeRoot = "";
 let readState: (typeof import("../src/lib/boss-data"))["readState"];
@@ -246,3 +246,71 @@ test("default seeded conversations no longer expose Boss 移动控制台", async
     false,
   );
 });
+
+test("readState migrates away persisted legacy boss-console conversations", async () => {
+  await setup();
+  const state = await readState();
+
+  const legacyState = structuredClone(state) as typeof state;
+  legacyState.projects.push({
+    id: "boss-console",
+    name: "Boss 移动控制台",
+    pinned: false,
+    systemPinned: false,
+    deviceIds: ["mac-studio"],
+    preview: "历史遗留的 boss-console 会话。",
+    updatedAt: "2026-04-04T12:20:00+08:00",
+    lastMessageAt: "2026-04-04T12:20:00+08:00",
+    isGroup: false,
+    threadMeta: {
+      projectId: "boss-console",
+      threadId: "thread-boss-console",
+      threadDisplayName: "Boss 移动控制台",
+      folderName: "Boss",
+      activityIconCount: 1,
+      updatedAt: "2026-04-04T12:20:00+08:00",
+      codexThreadRef: "thread-boss-console",
+      codexFolderRef: "boss-console",
+    },
+    groupMembers: [],
+    createdByAgent: true,
+    collaborationMode: "development",
+    approvalState: "not_required",
+    unreadCount: 0,
+    riskLevel: "low",
+    messages: [],
+    goals: [],
+    versions: [],
+  });
+  legacyState.threadContextSnapshots.push({
+    snapshotId: "legacy-boss-console-snapshot",
+    projectId: "boss-console",
+    taskId: "legacy-task",
+    threadId: "thread-boss-console",
+    title: "Boss 移动控制台线程",
+    summary: "遗留摘要",
+    nodeId: "mac-studio",
+    workerId: "worker-legacy",
+    sourceKind: "worker_estimator",
+    status: "running",
+    contextBudgetRemainingPct: 48,
+    contextBudgetLevel: "watch",
+    mustFinishBeforeCompaction: false,
+    estimatedRemainingTurns: 5,
+    estimatedRemainingLargeMessages: 2,
+    compactionCount: 0,
+    patchPending: false,
+    testsPending: false,
+    evidencePending: false,
+    checklist: [],
+    capturedAt: "2026-04-04T12:20:00+08:00",
+  });
+
+  const stateFile = process.env.BOSS_STATE_FILE;
+  assert.ok(stateFile, "expected test state file path");
+  await writeFile(stateFile, JSON.stringify(legacyState, null, 2), "utf8");
+
+  const migratedState = await readState();
+  assert.equal(migratedState.projects.some((item) => item.id === "boss-console"), false);
+  assert.equal(migratedState.threadContextSnapshots.some((item) => item.projectId === "boss-console"), false);
+});