chore: initialize qiming workspace repository

qimingclaw/crates/agent-electron-client/src/main/db.ts

@@ -0,0 +1,57 @@
+import * as path from 'path';
+import { app } from 'electron';
+import Database from 'better-sqlite3';
+import log from 'electron-log';
+import { APP_DATA_DIR_NAME } from './services/constants';
+import { APP_NAME_IDENTIFIER } from '@shared/constants';
+
+const qimingHome = path.join(app.getPath('home'), APP_DATA_DIR_NAME);
+const dbPath = path.join(qimingHome, `${APP_NAME_IDENTIFIER}.db`);
+
+let db: Database.Database | null = null;
+
+export function initDatabase(): void {
+  try {
+    db = new Database(dbPath);
+    log.info('Database initialized at:', dbPath);
+
+    // Create tables
+    db.exec(`
+      CREATE TABLE IF NOT EXISTS settings (
+        key TEXT PRIMARY KEY,
+        value TEXT NOT NULL
+      );
+    `);
+    log.info('Database tables created');
+  } catch (error) {
+    log.error('Database initialization failed:', error);
+  }
+}
+
+export function getDb(): Database.Database | null {
+  return db;
+}
+
+export function closeDb(): void {
+  if (db) {
+    db.close();
+    db = null;
+    log.info('[App] Database closed');
+  }
+}
+
+export function readSetting(key: string): unknown {
+  const row = db?.prepare('SELECT value FROM settings WHERE key = ?').get(key) as { value: string } | undefined;
+  if (!row?.value) return null;
+  try { return JSON.parse(row.value); } catch { return row.value; }
+}
+
+export function writeSetting(key: string, value: unknown): boolean {
+  if (!db) return false;
+  if (value === null || value === undefined) {
+    db.prepare('DELETE FROM settings WHERE key = ?').run(key);
+  } else {
+    db.prepare('INSERT OR REPLACE INTO settings (key, value) VALUES (?, ?)').run(key, JSON.stringify(value));
+  }
+  return true;
+}