refactor: remove 3 pure re-export wrappers in electron/main/ai

Delete tokenizer/index.ts, skills/parser.ts, and assistant/parser.ts
which were single-line re-exports from @openchatlab/node-runtime.
All consumers now import directly from the shared package.

electron/main/ai/assistant/index.ts

@@ -18,5 +18,5 @@ export {
   importAssistantFromMd,
   isGeneralAssistant,
 } from './manager'
-export { parseAssistantFile, serializeAssistant } from './parser'
+export { parseAssistantFile, serializeAssistant } from '@openchatlab/node-runtime'
 export { getBuiltinToolCatalog, type BuiltinToolCatalogEntry } from './builtinTools'

electron/main/ai/assistant/manager.ts

@@ -17,7 +17,7 @@ import * as path from 'path'
 import { randomUUID } from 'crypto'
 import { getAiDataDir, ensureDir } from '../../paths'
 import { aiLogger } from '../logger'
-import { parseAssistantFile, serializeAssistant } from './parser'
+import { parseAssistantFile, serializeAssistant } from '@openchatlab/node-runtime'
 import type {
   AssistantConfig,
   AssistantSummary,

electron/main/ai/assistant/parser.ts

@@ -1,5 +0,0 @@
-/**
- * 助手文件解析器 — 从 @openchatlab/node-runtime 重导出
- */
-
-export { parseAssistantFile, serializeAssistant } from '@openchatlab/node-runtime'

electron/main/ai/skills/index.ts

@@ -18,4 +18,4 @@ export {
   importSkillFromMd,
 } from './manager'
 
-export { parseSkillFile } from './parser'
+export { parseSkillFile } from '@openchatlab/node-runtime'

electron/main/ai/skills/manager.ts

@@ -15,7 +15,7 @@ import * as path from 'path'
 import { createHash } from 'crypto'
 import { getAiDataDir, ensureDir } from '../../paths'
 import { aiLogger } from '../logger'
-import { parseSkillFile } from './parser'
+import { parseSkillFile } from '@openchatlab/node-runtime'
 import type { SkillDef, SkillSummary, SkillInitResult, SkillSaveResult, BuiltinSkillInfo } from './types'
 
 // ==================== 内置技能模板 ====================

electron/main/ai/skills/parser.ts

@@ -1,5 +0,0 @@
-/**
- * 技能文件解析器 — 从 @openchatlab/node-runtime 重导出
- */
-
-export { parseSkillFile, extractSkillId } from '@openchatlab/node-runtime'

electron/main/ai/tokenizer/index.ts

@@ -1,7 +0,0 @@
-/**
- * Token 计数模块 — 薄包装
- *
- * 实际实现已提取到 @openchatlab/node-runtime。
- */
-
-export { countTokens, countMessagesTokens } from '@openchatlab/node-runtime'

electron/main/ipc/ai.ts

@@ -11,7 +11,7 @@ import { Agent, type AgentStreamChunk, type SkillContext } from '../ai/agent'
 import { getDefaultGeneralAssistantId } from '../ai/assistant/defaultGeneral'
 import { getDefaultAssistantConfig, buildPiModel, findModelDefinition } from '../ai/llm'
 import type { AIServiceConfig } from '../ai/llm/types'
-import { countMessagesTokens } from '../ai/tokenizer'
+import { countMessagesTokens } from '@openchatlab/node-runtime'
 import * as assistantManager from '../ai/assistant'
 import type { AssistantConfig } from '../ai/assistant/types'
 import * as skillManager from '../ai/skills'