feat(asl): Week 2 Day 2 - Excel import with template download and intelligent dedup

Features:
- feat: Excel template generation and download (with examples)
- feat: Excel file parsing in memory (cloud-native, no disk write)
- feat: Field validation (title + abstract required)
- feat: Smart deduplication (DOI priority + Title fallback)
- feat: Literature preview table with statistics
- feat: Complete submission flow (create project + import literatures)

Components:
- feat: Create excelUtils.ts with full Excel processing toolkit
- feat: Enhance TitleScreeningSettings page with upload/preview/submit
- feat: Update API interface signatures and export unified aslApi object

Dependencies:
- chore: Add xlsx library for Excel file processing

Ref: Week 2 Frontend Development - Day 2
Scope: ASL Module MVP - Title Abstract Screening
Cloud-Native: Memory parsing, no file persistence

frontend-v2/src/framework/permission/PermissionContext.tsx

@@ -142,3 +142,4 @@ export const PermissionProvider = ({ children }: PermissionProviderProps) => {
 
 
 
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frontend-v2/src/framework/permission/index.ts

@@ -17,3 +17,4 @@ export { VERSION_LEVEL, checkVersionLevel } from './types'
 
 
 
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frontend-v2/src/framework/permission/types.ts

@@ -89,3 +89,4 @@ export const checkVersionLevel = (
 
 
 
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frontend-v2/src/framework/permission/usePermission.ts

@@ -46,3 +46,4 @@ export type { UserInfo, UserVersion, PermissionContextType } from './types'
 
 
 
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frontend-v2/src/framework/router/PermissionDenied.tsx

@@ -156,3 +156,4 @@ export default PermissionDenied
 
 
 
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frontend-v2/src/framework/router/RouteGuard.tsx

@@ -145,3 +145,4 @@ export default RouteGuard
 
 
 
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frontend-v2/src/framework/router/index.ts

@@ -15,3 +15,4 @@ export { default as PermissionDenied } from './PermissionDenied'
 
 
 
+