rework misskey-js build to preserve original package structure

packages/misskey-js/api-extractor.json

@@ -45,7 +45,7 @@
    *
    * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
    */
-  "mainEntryPointFilePath": "<projectFolder>/built/src/index.d.ts",
+  "mainEntryPointFilePath": "<projectFolder>/built/index.d.ts",
 
   /**
    * A list of NPM package names whose exports should be treated as part of this package.

packages/misskey-js/package.json

@@ -4,13 +4,13 @@
 	"version": "2025.5.2-dev",
 	"description": "Misskey SDK for JavaScript",
 	"license": "MIT",
-	"main": "./built/src/index.js",
-	"types": "./built/src/index.d.ts",
+	"main": "./built/index.js",
+	"types": "./built/index.d.ts",
 	"scripts": {
 		"clean": "node scripts/clean.mjs",
 		"build": "tsc -b && node scripts/post-build.mjs",
 		"rebuild": "pnpm clean && pnpm build",
-		"tsd": "tsd --types \"./built/src/index.d.ts\" --files \"./built/test-d/**/*.ts\"",
+		"tsd": "tsd --types \"./temp/built/src/index.d.ts\" --files \"./temp/built/test-d/**/*.ts\"",
 		"api": "pnpm api-extractor run --local --verbose",
 		"api-prod": "pnpm api-extractor run --verbose",
 		"eslint": "eslint --quiet \"{src,test,test-d,scripts}/**/*.{js,jsx,ts,tsx,vue}\" --cache",
@@ -41,7 +41,7 @@
 		"typescript": "5.9.2"
 	},
 	"files": [
-		"built/src"
+		"built"
 	],
 	"dependencies": {
 		"eventemitter3": "5.0.1",

packages/misskey-js/tsconfig.json

@@ -10,7 +10,7 @@
 		"inlineSources": true,
 		"allowJs": true,
 		"checkJs": true,
-		"outDir": "./built/",
+		"outDir": "./temp/built/",
 		"strict": true,
 		"strictFunctionTypes": true,
 		"strictNullChecks": true,