Changelog

• ⚠️ BREAKING: Renamed wasRateLimited() → rateLimitPassed() for clearer semantics (returns true when allowed, false when rate limited)

• ⚠️ BREAKING: Requires Hono v4+ (updated peer dependency from * to >=4.0.0)

• RateLimitKeyFunc now supports async functions returning Promise<string>

• rateLimitPassed() return type corrected to boolean | undefined (undefined when middleware not applied)

• Migrated test suite to @cloudflare/vitest-pool-workers for integration testing in the Workers runtime

• Updated all dependencies to latest versions (vitest 3.x, unbuild 3.x, hono 4.x, workers-types)