Implement SimpleNote Web API - full REST API with Express

- Express server with CORS, JSON middleware
- Auth middleware (Bearer token)
- Document CRUD with markdown storage
- Library CRUD with nested support
- Tag indexing and search
- Error handler middleware
- Config from env vars
- Init script for data structure

scripts/init-data.js

@@ -0,0 +1,90 @@
+/**
+ * SimpleNote Web - Init Script
+ * Creates initial data structure and default library
+ */
+
+import { fileURLToPath } from 'url';
+import { dirname, join, resolve } from 'path';
+import { ensureDir, writeJSON, pathExists } from '../src/utils/fsHelper.js';
+import { generateId } from '../src/utils/uuid.js';
+import dotenv from 'dotenv';
+
+dotenv.config();
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+const projectRoot = resolve(__dirname, '..');
+const dataRoot = resolve(projectRoot, process.env.DATA_ROOT || './data');
+
+console.log(`[Init] Initializing data at: ${dataRoot}`);
+
+const DATA_ROOT = dataRoot;
+const LIBRARIES_DIR = join(DATA_ROOT, 'libraries');
+const TOKENS_FILE = join(DATA_ROOT, '.auth-tokens.json');
+const TAG_INDEX_FILE = join(DATA_ROOT, '.tag-index.json');
+
+async function init() {
+  // Create directories
+  ensureDir(DATA_ROOT);
+  ensureDir(LIBRARIES_DIR);
+
+  // Init auth tokens
+  if (!pathExists(TOKENS_FILE)) {
+    const adminToken = process.env.ADMIN_TOKEN || 'snk_initial_admin_token_change_me';
+    writeJSON(TOKENS_FILE, {
+      version: 1,
+      tokens: [
+        {
+          token: adminToken,
+          label: 'initial-admin',
+          createdAt: new Date().toISOString(),
+        },
+      ],
+    });
+    console.log(`[Init] Created .auth-tokens.json with admin token: ${adminToken}`);
+  } else {
+    console.log('[Init] .auth-tokens.json already exists');
+  }
+
+  // Init tag index
+  if (!pathExists(TAG_INDEX_FILE)) {
+    writeJSON(TAG_INDEX_FILE, {
+      version: 1,
+      updatedAt: new Date().toISOString(),
+      tags: {},
+    });
+    console.log('[Init] Created .tag-index.json');
+  } else {
+    console.log('[Init] .tag-index.json already exists');
+  }
+
+  // Create default library
+  const defaultLibPath = join(LIBRARIES_DIR, 'default');
+  const defaultLibMeta = join(defaultLibPath, '.library.json');
+
+  if (!pathExists(defaultLibMeta)) {
+    const libId = generateId();
+    const now = new Date().toISOString();
+    ensureDir(join(defaultLibPath, 'documents'));
+    ensureDir(join(defaultLibPath, 'sub-libraries'));
+
+    writeJSON(defaultLibMeta, {
+      id: libId,
+      name: 'Default Library',
+      parentId: null,
+      path: `libraries/${libId}`,
+      createdAt: now,
+      updatedAt: now,
+    });
+    console.log(`[Init] Created default library: ${libId}`);
+  } else {
+    console.log('[Init] Default library already exists');
+  }
+
+  console.log('[Init] Done!');
+}
+
+init().catch(err => {
+  console.error('[Init] Error:', err);
+  process.exit(1);
+});