build: 初始化 MeloASR TypeScript 工程

建立 Linux-only 的 TypeScript/Electron 构建基础，统一项目名、包名和 0.1.0 版本元数据。

AI-assisted-by: Codex
AI-model: gpt-5.6-sol
AI-reasoning-effort: medium
Co-authored-by: Codex <codex@openai.com>

scripts/clean.mjs

@@ -0,0 +1,6 @@
+import fs from 'node:fs';
+import path from 'node:path';
+
+const root = path.resolve(import.meta.dirname, '..');
+fs.rmSync(path.join(root, 'dist'), { recursive: true, force: true });
+fs.rmSync(path.join(root, 'dist-test'), { recursive: true, force: true });

scripts/copy-static.mjs

@@ -0,0 +1,17 @@
+import fs from 'node:fs';
+import path from 'node:path';
+
+const root = path.resolve(import.meta.dirname, '..');
+const copies = [
+  ['src/renderer/settings.html', 'dist/renderer/settings.html'],
+  ['src/renderer/settings.css', 'dist/renderer/settings.css'],
+  ['src/renderer/overlay.html', 'dist/renderer/overlay.html'],
+  ['src/renderer/overlay.css', 'dist/renderer/overlay.css'],
+  ['logo.png', 'dist/assets/logo.png']
+];
+
+for (const [source, target] of copies) {
+  const destination = path.join(root, target);
+  fs.mkdirSync(path.dirname(destination), { recursive: true });
+  fs.copyFileSync(path.join(root, source), destination);
+}