diff --git a/packages/frontend-embed/.gitignore b/packages/frontend-embed/.gitignore
index 1aa0ac14e8..c9047f496e 100644
--- a/packages/frontend-embed/.gitignore
+++ b/packages/frontend-embed/.gitignore
@@ -1 +1,2 @@
 /storybook-static
+tsconfig.json.bak
diff --git a/packages/frontend-embed/eslint.config.js b/packages/frontend-embed/eslint.config.js
index 054b8b7d75..002471ee7f 100644
--- a/packages/frontend-embed/eslint.config.js
+++ b/packages/frontend-embed/eslint.config.js
@@ -41,7 +41,7 @@ export default [
 			parserOptions: {
 				extraFileExtensions: ['.vue'],
 				parser: tsParser,
-				project: ['./tsconfig.vue.json'],
+				project: ['tsconfig.vue.json'],
 				sourceType: 'module',
 				tsconfigRootDir: import.meta.dirname,
 			},
@@ -99,11 +99,31 @@ export default [
 		},
 	},
 	{
-		files: ['*.js', '*.ts'],
+		files: [
+			'*.js',
+			'*.ts',
+			'lib/**/*.ts',
+			'lib/**/*.js',
+			'scripts/**/*.ts',
+			'scripts/**/*.js',
+			'scripts/**/*.mjs',
+			'scripts/**/*.cjs',
+		],
+		ignores: [
+			'node_modules',
+			'vue-shims.d.ts',
+			'src',
+			'test',
+			'@types',
+			'assets',
+		],
+		globals: {
+			...globals.node,
+		},
 		languageOptions: {
 			parserOptions: {
 				parser: tsParser,
-				project: ['./tsconfig.scripts.json'],
+				project: ['tsconfig.scripts.json'],
 				sourceType: 'module',
 				tsconfigRootDir: import.meta.dirname,
 			},
@@ -119,7 +139,7 @@ export default [
 			'**/built/',
 			'**/coverage/',
 			'**/node_modules/',
-			'vue-shims.d.ts'
+			'vue-shims.d.ts',
 		],
 	},
 ];
diff --git a/packages/frontend-embed/package.json b/packages/frontend-embed/package.json
index 06e7e05037..7c04a60b80 100644
--- a/packages/frontend-embed/package.json
+++ b/packages/frontend-embed/package.json
@@ -3,8 +3,9 @@
 	"private": true,
 	"type": "module",
 	"scripts": {
-		"watch": "vite",
-		"build": "vite build",
+		"watch": "node scripts/build.mjs --watch",
+		"build": "node scripts/build.mjs",
+		"build:pre": "pnpm run --filter misskey-js build && pnpm run --filter sw build && pnpm run --filter frontend_shared build",
 		"typecheck-all": "pnpm run --no-bail typecheck:vue && pnpm run --no-bail typecheck:scripts",
 		"typecheck": "pnpm run typecheck:vue && pnpm run typecheck:scripts",
 		"typecheck:vue": "vue-tsc -p tsconfig.vue.json --noEmit",
diff --git a/packages/frontend-embed/scripts/build.mjs b/packages/frontend-embed/scripts/build.mjs
new file mode 100644
index 0000000000..5c748f4b25
--- /dev/null
+++ b/packages/frontend-embed/scripts/build.mjs
@@ -0,0 +1,37 @@
+/**
+ * Hot-swaps tsconfig files to work around vite limitations.
+ * Based on idea from https://github.com/vitejs/vite/discussions/8483#discussioncomment-6830634
+ */
+
+import nodeFs from 'node:fs/promises';
+import nodePath from 'node:path';
+import { execa } from 'execa';
+
+const rootDir = nodePath.resolve(import.meta.dirname, '../');
+const tsConfig = nodePath.resolve(rootDir, 'tsconfig.json');
+const tsConfigBak = nodePath.resolve(rootDir, 'tsconfig.json.bak');
+const tsConfigVue = nodePath.resolve(rootDir, 'tsconfig.vue.json');
+
+const mode = process.argv.slice(2).includes('--watch') ? 'watch' : 'build';
+
+console.log('Staging tsconfig.vue.json as tsconfig.json...');
+await nodeFs.rename(tsConfig, tsConfigBak);
+await nodeFs.copyFile(tsConfigVue, tsConfig);
+
+try {
+	console.log('Starting vite...')
+	await execa(
+		'vite',
+		mode === 'build'
+			? ['build']
+			: [],
+		{
+			stdout: process.stdout,
+			stderr: process.stderr,
+		},
+	);
+} finally {
+	console.log('Restoring original tsconfig.json...');
+	await nodeFs.rm(tsConfig);
+	await nodeFs.rename(tsConfigBak, tsConfig);
+}
diff --git a/packages/frontend-embed/tsconfig.scripts.json b/packages/frontend-embed/tsconfig.scripts.json
index 69dfb6129c..77ab85f761 100644
--- a/packages/frontend-embed/tsconfig.scripts.json
+++ b/packages/frontend-embed/tsconfig.scripts.json
@@ -1,23 +1,20 @@
 {
 	"$schema": "https://json.schemastore.org/tsconfig",
 	"extends": "../shared/tsconfig.scripts.jsonc",
-	"compilerOptions": {
-		"typeRoots": [
-			"./@types",
-			"./node_modules/@vue-macros",
-			"./node_modules/@types",
-			"./node_modules"
-		],
-		"types": [
-			"vite/client",
-		]
-	},
 	"include": [
 		"*.js",
-		"*.ts"
+		"*.ts",
+		"scripts/**/*.ts",
+		"scripts/**/*.js",
+		"scripts/**/*.mjs",
+		"scripts/**/*.cjs"
 	],
 	"exclude": [
 		"node_modules",
-		"vue-shims.d.ts"
+		"vue-shims.d.ts",
+		"src",
+		"test",
+		"@types",
+		"assets"
 	]
 }
diff --git a/packages/frontend-embed/tsconfig.vue.json b/packages/frontend-embed/tsconfig.vue.json
index 210460442f..36e05cb151 100644
--- a/packages/frontend-embed/tsconfig.vue.json
+++ b/packages/frontend-embed/tsconfig.vue.json
@@ -2,6 +2,12 @@
 	"$schema": "https://json.schemastore.org/tsconfig",
 	"extends": "../shared/tsconfig.web.jsonc",
 	"compilerOptions": {
+		"noImplicitAny": false,
+		"noUnusedLocals": false,
+		"noUnusedParameters": false,
+		"experimentalDecorators": true,
+		"resolveJsonModule": true,
+		"allowSyntheticDefaultImports": true,
 		"paths": {
 			"@/*": ["./src/*"],
 			"@@/*": ["../frontend-shared/*"]
diff --git a/packages/frontend-embed/vite.config.ts b/packages/frontend-embed/vite.config.ts
index 3fdabc4eaa..52c6d12cea 100644
--- a/packages/frontend-embed/vite.config.ts
+++ b/packages/frontend-embed/vite.config.ts
@@ -6,9 +6,7 @@ import { localesVersion } from '../../locales/version.js';
 import locales from '../../locales/index.js';
 import meta from '../../package.json' with { type: 'json' };
 import packageInfo from './package.json' with { type: 'json' };
-import tsconfigVue from './tsconfig.vue.json' with { type: 'json' };
 import pluginJson5 from './vite.json5.js';
-import type { TsconfigRaw } from 'esbuild';
 
 const extensions = ['.ts', '.tsx', '.js', '.jsx', '.mjs', '.json', '.json5', '.svg', '.sass', '.scss', '.css', '.vue'];
 
@@ -117,12 +115,6 @@ export function getConfig(): UserConfig {
 			__VUE_PROD_DEVTOOLS__: false,
 		},
 
-		esbuild: {
-			// https://github.com/vitejs/vite/discussions/8483#discussioncomment-14485974
-			// https://esbuild.github.io/api/#tsconfig-raw
-			tsconfigRaw: tsconfigVue as TsconfigRaw,
-		},
-
 		build: {
 			target: [
 				'chrome116',