feat: turborepo monorepo scaffold and provisioning

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/scaffold/index.ts

@@ -0,0 +1,55 @@
+/**
+ * Turborepo scaffold loader
+ *
+ * Reads template files from lib/scaffold/turborepo/, replaces
+ * {{project-slug}} and {{project-name}} placeholders, then pushes
+ * each file to the user's Gitea repo via the contents API.
+ */
+
+import { readdir, readFile } from 'fs/promises';
+import { join, relative } from 'path';
+import { giteaPushFile } from '@/lib/gitea';
+
+const TEMPLATES_DIR = join(process.cwd(), 'lib/scaffold/turborepo');
+
+const HIDDEN_FILES = ['.gitignore'];
+
+async function walkDir(dir: string): Promise<string[]> {
+  const entries = await readdir(dir, { withFileTypes: true });
+  const files: string[] = [];
+  for (const entry of entries) {
+    const fullPath = join(dir, entry.name);
+    if (entry.isDirectory()) {
+      files.push(...await walkDir(fullPath));
+    } else {
+      files.push(fullPath);
+    }
+  }
+  return files;
+}
+
+export async function pushTurborepoScaffold(
+  owner: string,
+  repoName: string,
+  projectSlug: string,
+  projectName: string,
+): Promise<void> {
+  const allFiles = await walkDir(TEMPLATES_DIR);
+
+  for (const filePath of allFiles) {
+    let relPath = relative(TEMPLATES_DIR, filePath);
+
+    // Restore leading dot for hidden files (e.g. gitignore → .gitignore)
+    const basename = relPath.split('/').pop() ?? '';
+    if (HIDDEN_FILES.includes(`.${basename}`)) {
+      relPath = relPath.replace(basename, `.${basename}`);
+    }
+
+    let content = await readFile(filePath, 'utf-8');
+    content = content
+      .replaceAll('{{project-slug}}', projectSlug)
+      .replaceAll('{{project-name}}', projectName);
+
+    await giteaPushFile(owner, repoName, relPath, content, `chore: scaffold ${relPath}`);
+  }
+}