Refactor project configuration and dependencies

- Move IS_CRESC logic to constants module
- Update package.json with new type definitions
- Simplify global variable usage
- Update bun.lock with latest package versions
- Improve type safety and configuration management

src/types.ts

@@ -1,7 +1,6 @@
 declare global {
   var NO_INTERACTIVE: boolean;
   var USE_ACC_OSS: boolean;
-  var IS_CRESC: boolean;
 }
 
 export interface Session {