Simplify Studio 2 sources and persist private previews and LoRA lists

server/api/studio-2/loras.get.ts

@@ -0,0 +1,15 @@
+import { readFileSync,writeFileSync,renameSync } from 'node:fs';
+import { join } from 'node:path';
+import { cachedLoras } from '~/shared/studio2/lora-cache.mjs';
+import { listStudioLoras } from '../../utils/loras';
+import { studio2Root } from '../../utils/studio2/store';
+import { getLoraAliases, getLoraTriggers } from '../../utils/library';
+export default defineEventHandler(async event => {
+ const {owner}=assertLibraryOwner(event),path=join(studio2Root(),`loras-${owner}.cache`);
+ const listed=await cachedLoras({
+  read:()=>{try{return JSON.parse(readFileSync(path,'utf8'));}catch{return null;}},
+  write:value=>{writeFileSync(path+'.tmp',JSON.stringify(value));renameSync(path+'.tmp',path);},
+  live:()=>listStudioLoras({fresh:true}),fresh:getQuery(event).fresh==='1'
+ });
+ return {...listed,aliases:getLoraAliases(owner),triggers:getLoraTriggers(owner)};
+});