v0.1.2 — Fully async API

Breaking Changes

• SecretLoader interface now requires Promise<string | null> return for both get() and getMany() (was MaybePromise<T>)
• MaybePromise<T> type alias removed from public surface
• autoLoad option removed from ConfigManagerOptions — callers must explicitly await manager.load()
• load() always returns Promise<void>; lazy-loading and isPromiseLike guards are gone

Migration

// Before (0.1.1)
const manager = new ConfigManager({ autoLoad: true });

// After (0.1.2)
const manager = new ConfigManager();
await manager.load();

What Changed

• src/types.ts — removed MaybePromise, tightened SecretLoader to pure Promise returns
• src/loaders/dotenv.ts — DotEnvLoader.get() and getMany() are now async
• src/manager.ts — load() is always async, removed all lazy-loading code paths