8ff2ef0ce0
- Migrated environment variable access from function-based `getEnv()` API to object property-based `$env` API across 43 files in the monorepo. - Simplified `packages/utils/src/env.ts` by removing scoped environment variable logic (EnvScope, getEnvMap, getEnv functions) and replacing with direct `process.env` reference exported as `$env`. - Updated `packages/ai/src/stream.ts` to remove environment parameter from KeyResolver functions and use global `$env` object instead of passed-in env parameter.