fix(db): correct admin password hash in init-db.sql

The previous hash was not working correctly with bcrypt.compare().
Updated to a verified working hash for password 'admin123'.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

scripts/init-db.sql

@@ -1442,8 +1442,9 @@ CREATE INDEX idx_admins_role ON admins(role);
 CREATE INDEX idx_admins_active ON admins(is_active);
 
 -- 插入默认超级管理员（密码: admin123，实际生产环境需要修改）
+-- bcrypt hash for 'admin123' generated with cost 10
 INSERT INTO admins (username, password_hash, name, role, permissions) VALUES
-('admin', '$2b$10$rQNDjKwYXOw8FNrFcD3e0.T8KCqVJLqDQT9gQR2KPnDqPvqK8VpKi', '系统管理员', 'SUPER_ADMIN', '["*"]');
+('admin', '$2b$10$79R2HdSS0Yez9lG5eSdVMutBQu4ew6fb2qzHNeAhu5p70JmDoYsde', '系统管理员', 'SUPER_ADMIN', '["*"]');
 
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