diff --git a/apps/desktop/main/ipc/types.ts b/apps/desktop/main/ipc/types.ts
index 6e4d3b91..acb0219c 100644
--- a/apps/desktop/main/ipc/types.ts
+++ b/apps/desktop/main/ipc/types.ts
@@ -11,8 +11,3 @@ export interface IpcContext {
   /** 主窗口 */
   win: BrowserWindow
 }
-
-/**
- * IPC 处理器注册函数类型
- */
-export type IpcHandlerRegister = (ctx: IpcContext) => void
diff --git a/apps/desktop/main/paths/legacy-migration.ts b/apps/desktop/main/paths/legacy-migration.ts
index 7e24d105..a59ee832 100644
--- a/apps/desktop/main/paths/legacy-migration.ts
+++ b/apps/desktop/main/paths/legacy-migration.ts
@@ -7,7 +7,6 @@ import * as fs from 'node:fs'
 import * as path from 'node:path'
 import { loadConfig, writeConfigField } from '@openchatlab/config'
 import { arePathsOverlapping, copyDirMerge, copyDirRecursive, writeMigrationLog } from '../utils/pathUtils'
-import { shouldMarkUnifiedDirMigrationDone } from '../utils/unifiedDirMigration'
 import {
   ensureDir,
   getDefaultUserDataDir,
@@ -363,7 +362,7 @@ export function migrateToUnifiedDirs(): { success: boolean; error?: string } {
     writeMigrationLog(getLogsDir(), summary, ensureDir)
     console.log(`[Migration] ${summary}`)
 
-    if (shouldMarkUnifiedDirMigrationDone(failedDirs)) {
+    if (failedDirs.length === 0) {
       writeConfigField('data', 'electron_migration_done', true)
     }
 
diff --git a/apps/desktop/main/utils/unifiedDirMigration.test.ts b/apps/desktop/main/utils/unifiedDirMigration.test.ts
deleted file mode 100644
index da71cd82..00000000
--- a/apps/desktop/main/utils/unifiedDirMigration.test.ts
+++ /dev/null
@@ -1,10 +0,0 @@
-import { describe, it } from 'node:test'
-import assert from 'node:assert/strict'
-import { shouldMarkUnifiedDirMigrationDone } from './unifiedDirMigration'
-
-describe('desktop unified directory migration', () => {
-  it('marks migration done only when no directory failed', () => {
-    assert.equal(shouldMarkUnifiedDirMigrationDone([]), true)
-    assert.equal(shouldMarkUnifiedDirMigrationDone(['settings']), false)
-  })
-})
diff --git a/apps/desktop/main/utils/unifiedDirMigration.ts b/apps/desktop/main/utils/unifiedDirMigration.ts
deleted file mode 100644
index 91274fd8..00000000
--- a/apps/desktop/main/utils/unifiedDirMigration.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-export function shouldMarkUnifiedDirMigrationDone(failedDirs: string[]): boolean {
-  return failedDirs.length === 0
-}
diff --git a/packages/node-runtime/src/import/index.ts b/packages/node-runtime/src/import/index.ts
index cdabde8b..da65c4d9 100644
--- a/packages/node-runtime/src/import/index.ts
+++ b/packages/node-runtime/src/import/index.ts
@@ -1,5 +1,5 @@
-export { writeParseResultToDb } from './write-parse-result'
-export type { ImportMeta, WriteParseResultStats } from './write-parse-result'
+export { writeParseResultToDb } from '@openchatlab/core'
+export type { ImportMeta, WriteParseResultStats } from '@openchatlab/core'
 export { logNativeParserStatus } from './native-parser-status'
 export {
   LogLevel,
diff --git a/packages/node-runtime/src/import/write-parse-result.ts b/packages/node-runtime/src/import/write-parse-result.ts
deleted file mode 100644
index 06a208b9..00000000
--- a/packages/node-runtime/src/import/write-parse-result.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export { writeParseResultToDb } from '@openchatlab/core'
-export type { ImportMeta, WriteParseResultStats } from '@openchatlab/core'
diff --git a/src/components/common/ChatRecord/BatchSummaryModal.vue b/src/components/common/ChatRecord/BatchSummaryModal.vue
index 4bad7f4b..7defed1e 100644
--- a/src/components/common/ChatRecord/BatchSummaryModal.vue
+++ b/src/components/common/ChatRecord/BatchSummaryModal.vue
@@ -4,7 +4,6 @@ import { useI18n } from 'vue-i18n'
 import { useDebounceFn } from '@vueuse/core'
 import { useSessionIndexService } from '@/services'
 import { getSummaryStrategy } from '@/composables/useUiConfig'
-import { stopBatchSummaryGeneration } from './summaryGeneration'
 
 const props = defineProps<{
   open: boolean
@@ -333,7 +332,7 @@ async function startGenerate() {
 
 // 停止生成：保持生成锁定，等待当前循环进入 finally 后统一释放。
 function stopGenerate() {
-  stopBatchSummaryGeneration(shouldStop)
+  shouldStop.value = true
 }
 
 // 关闭弹窗
diff --git a/src/components/common/ChatRecord/SessionTimeline.vue b/src/components/common/ChatRecord/SessionTimeline.vue
index 63287a8f..1a0e30ea 100644
--- a/src/components/common/ChatRecord/SessionTimeline.vue
+++ b/src/components/common/ChatRecord/SessionTimeline.vue
@@ -10,7 +10,6 @@ import { useVirtualizer } from '@tanstack/vue-virtual'
 import { useSessionIndexService, type ChatSessionItem } from '@/services'
 import { getSummaryStrategy } from '@/composables/useUiConfig'
 import BatchSummaryModal from './BatchSummaryModal.vue'
-import { buildGenerateSummaryArgs } from './summaryGeneration'
 
 // 扁平化列表项类型
 type FlatListItem =
@@ -257,7 +256,11 @@ async function generateSummary(session: ChatSessionItem, event: Event) {
   try {
     console.log('[SessionTimeline] 调用 IPC...')
     const result = await useSessionIndexService().generateSummary(
-      ...buildGenerateSummaryArgs(props.sessionId, session.id, locale.value, getSummaryStrategy())
+      props.sessionId,
+      session.id,
+      locale.value,
+      false,
+      getSummaryStrategy()
     )
     console.log('[SessionTimeline] IPC 返回:', result)
 
diff --git a/src/components/common/ChatRecord/summaryGeneration.test.ts b/src/components/common/ChatRecord/summaryGeneration.test.ts
deleted file mode 100644
index 746cae99..00000000
--- a/src/components/common/ChatRecord/summaryGeneration.test.ts
+++ /dev/null
@@ -1,11 +0,0 @@
-import { describe, it } from 'node:test'
-import assert from 'node:assert/strict'
-import { buildGenerateSummaryArgs } from './summaryGeneration'
-
-describe('buildGenerateSummaryArgs', () => {
-  it('passes summary strategy to single-session generation', () => {
-    const args = buildGenerateSummaryArgs('db-1', 12, 'zh-CN', 'brief')
-
-    assert.deepEqual(args, ['db-1', 12, 'zh-CN', false, 'brief'])
-  })
-})
diff --git a/src/components/common/ChatRecord/summaryGeneration.ts b/src/components/common/ChatRecord/summaryGeneration.ts
deleted file mode 100644
index e8e49db9..00000000
--- a/src/components/common/ChatRecord/summaryGeneration.ts
+++ /dev/null
@@ -1,18 +0,0 @@
-import type { SummaryStrategy } from '@/composables/useUiConfig'
-
-export interface MutableBooleanRef {
-  value: boolean
-}
-
-export function stopBatchSummaryGeneration(shouldStop: MutableBooleanRef): void {
-  shouldStop.value = true
-}
-
-export function buildGenerateSummaryArgs(
-  dbSessionId: string,
-  segmentId: number,
-  locale: string,
-  strategy: SummaryStrategy
-): [string, number, string, false, SummaryStrategy] {
-  return [dbSessionId, segmentId, locale, false, strategy]
-}
diff --git a/src/components/common/Sidebar.vue b/src/components/common/Sidebar.vue
index 4feef31f..ddf0d7db 100644
--- a/src/components/common/Sidebar.vue
+++ b/src/components/common/Sidebar.vue
@@ -24,7 +24,10 @@ import { useLayoutStore } from '@/stores/layout'
 import { usePlatformService } from '@/services'
 import { IS_ELECTRON } from '@/utils/platform'
 import logoSvg from '@/assets/images/logo.svg'
-import { focusExposedInput, type ExposedInputRef } from './sidebar/input-focus'
+
+interface SidebarInputExpose {
+  inputRef: Pick<HTMLInputElement, 'focus' | 'select'> | null
+}
 
 const props = withDefaults(
   defineProps<{
@@ -71,7 +74,7 @@ const isInsightPage = computed(() => String(route.name ?? '').startsWith('insigh
 const showRenameModal = ref(false)
 const renameTarget = ref<AnalysisSession | null>(null)
 const newName = ref('')
-const renameInputRef = ref<ExposedInputRef | null>(null)
+const renameInputRef = ref<SidebarInputExpose | null>(null)
 
 // 删除确认相关状态
 const showDeleteModal = ref(false)
@@ -297,7 +300,8 @@ function openRenameModal(session: AnalysisSession) {
   showRenameModal.value = true
   // 等待 DOM 更新后聚焦输入框
   nextTick(() => {
-    focusExposedInput(renameInputRef.value, { select: true })
+    renameInputRef.value?.inputRef?.focus()
+    renameInputRef.value?.inputRef?.select()
   })
 }
 
diff --git a/src/components/common/sidebar/input-focus.test.ts b/src/components/common/sidebar/input-focus.test.ts
deleted file mode 100644
index 2489018d..00000000
--- a/src/components/common/sidebar/input-focus.test.ts
+++ /dev/null
@@ -1,26 +0,0 @@
-import assert from 'node:assert/strict'
-import test from 'node:test'
-import { focusExposedInput } from './input-focus'
-
-test('focuses and selects the native input exposed by UInput', () => {
-  const calls: string[] = []
-
-  assert.equal(
-    focusExposedInput(
-      {
-        inputRef: {
-          focus: () => calls.push('focus'),
-          select: () => calls.push('select'),
-        },
-      },
-      { select: true }
-    ),
-    true
-  )
-  assert.deepEqual(calls, ['focus', 'select'])
-})
-
-test('does nothing before the native input is mounted', () => {
-  assert.equal(focusExposedInput(null), false)
-  assert.equal(focusExposedInput({ inputRef: null }), false)
-})
diff --git a/src/components/common/sidebar/input-focus.ts b/src/components/common/sidebar/input-focus.ts
deleted file mode 100644
index 89e01928..00000000
--- a/src/components/common/sidebar/input-focus.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-export interface ExposedInputRef {
-  inputRef: Pick<HTMLInputElement, 'focus' | 'select'> | null
-}
-
-export function focusExposedInput(component: ExposedInputRef | null, options: { select?: boolean } = {}): boolean {
-  const input = component?.inputRef
-  if (!input) return false
-
-  input.focus()
-  if (options.select) input.select()
-  return true
-}
diff --git a/src/pages/people/relationships/relationship-galaxy-node-display.ts b/src/pages/people/relationships/relationship-galaxy-node-display.ts
index f6d01d00..dc17368a 100644
--- a/src/pages/people/relationships/relationship-galaxy-node-display.ts
+++ b/src/pages/people/relationships/relationship-galaxy-node-display.ts
@@ -1,5 +1,5 @@
 import type { PeopleRelationshipGraphNode, PeopleRelationshipsSearchResult } from '@openchatlab/shared-types'
-import { maskRelationshipGalaxyPrivateText, relationshipGalaxyPrivateAvatarText } from './relationship-galaxy-privacy'
+import { maskRelationshipGalaxyPrivateText } from './relationship-galaxy-privacy'
 
 type DisplayNode = PeopleRelationshipGraphNode | PeopleRelationshipsSearchResult
 
@@ -22,7 +22,7 @@ export function getRelationshipGalaxyNodeAvatarText(
   options: RelationshipGalaxyNodeDisplayOptions
 ): string {
   if (node.kind === 'owner') return options.ownerLabel
-  if (options.privacyMode) return relationshipGalaxyPrivateAvatarText()
+  if (options.privacyMode) return '*'
   return (node.displayName || node.platformId || '?').slice(0, 1)
 }
 
diff --git a/src/pages/people/relationships/relationship-galaxy-pixi-layers.ts b/src/pages/people/relationships/relationship-galaxy-pixi-layers.ts
index 5173380c..3dad1a8d 100644
--- a/src/pages/people/relationships/relationship-galaxy-pixi-layers.ts
+++ b/src/pages/people/relationships/relationship-galaxy-pixi-layers.ts
@@ -1,8 +1,8 @@
-export interface PixiRemovableChildrenContainer {
+interface PixiRemovableChildrenContainer {
   removeChildren(): PixiDestroyableChild[]
 }
 
-export interface PixiDestroyableChild {
+interface PixiDestroyableChild {
   destroy(options?: { children?: boolean }): void
 }
 
diff --git a/src/pages/people/relationships/relationship-galaxy-privacy.test.ts b/src/pages/people/relationships/relationship-galaxy-privacy.test.ts
index 2a36ac1d..acde592a 100644
--- a/src/pages/people/relationships/relationship-galaxy-privacy.test.ts
+++ b/src/pages/people/relationships/relationship-galaxy-privacy.test.ts
@@ -4,7 +4,7 @@
 
 import assert from 'node:assert/strict'
 import test from 'node:test'
-import { maskRelationshipGalaxyPrivateText, relationshipGalaxyPrivateAvatarText } from './relationship-galaxy-privacy'
+import { maskRelationshipGalaxyPrivateText } from './relationship-galaxy-privacy'
 
 test('masks Chinese names with two stars and the last Chinese character', () => {
   assert.equal(maskRelationshipGalaxyPrivateText('张小红'), '**红')
@@ -24,7 +24,3 @@ test('masks very short and empty relationship labels without revealing full name
   assert.equal(maskRelationshipGalaxyPrivateText(''), '*')
   assert.equal(maskRelationshipGalaxyPrivateText('   '), '*')
 })
-
-test('uses a non-identifying avatar fallback in relationship privacy mode', () => {
-  assert.equal(relationshipGalaxyPrivateAvatarText(), '*')
-})
diff --git a/src/pages/people/relationships/relationship-galaxy-privacy.ts b/src/pages/people/relationships/relationship-galaxy-privacy.ts
index 13399d43..17ae0b39 100644
--- a/src/pages/people/relationships/relationship-galaxy-privacy.ts
+++ b/src/pages/people/relationships/relationship-galaxy-privacy.ts
@@ -12,7 +12,3 @@ export function maskRelationshipGalaxyPrivateText(value: string | null | undefin
   if (characters.length === 2) return `${characters[0]}***`
   return `${characters[0]}***${characters.at(-1)}`
 }
-
-export function relationshipGalaxyPrivateAvatarText(): string {
-  return '*'
-}
diff --git a/src/pages/people/relationships/relationship-galaxy-selection.ts b/src/pages/people/relationships/relationship-galaxy-selection.ts
index b3ee4b1b..a787ce2d 100644
--- a/src/pages/people/relationships/relationship-galaxy-selection.ts
+++ b/src/pages/people/relationships/relationship-galaxy-selection.ts
@@ -1,4 +1,4 @@
-export interface RelationshipGalaxyCanvasSelectionInput {
+interface RelationshipGalaxyCanvasSelectionInput {
   selectedKey: string | null
   loadingNeighborhoodKey: string | null
   currentCanvasSelectedKey: string | null
diff --git a/tests/chatlab-json-export-roundtrip.test.ts b/tests/chatlab-json-export-roundtrip.test.ts
index 6508f1ca..1abd2006 100644
--- a/tests/chatlab-json-export-roundtrip.test.ts
+++ b/tests/chatlab-json-export-roundtrip.test.ts
@@ -6,11 +6,11 @@ import test from 'node:test'
 import Database from 'better-sqlite3'
 import { detectFormat, parseFileSync } from '@openchatlab/parser'
 import { CHATLAB_FORMAT_VERSION } from '@openchatlab/shared-types'
+import { writeParseResultToDb } from '@openchatlab/core'
 import { CHAT_DB_SCHEMA } from '../packages/core/src/schema/tables'
 import { BetterSqliteAdapter } from '../packages/node-runtime/src/better-sqlite3-adapter'
 import { exportWithFormat } from '../packages/node-runtime/src/export/format-exporter'
 import { streamingImport } from '../packages/node-runtime/src/import/streaming-importer'
-import { writeParseResultToDb } from '../packages/node-runtime/src/import/write-parse-result'
 
 test('exports JSON as ChatLab format that can be parsed for re-import', async () => {
   const tempDir = mkdtempSync(join(tmpdir(), 'chatlab-json-export-'))