- iOS, Android, and Electron build scripts now load .env.development, .env.test, .env.production files
- Previously only loaded generic .env file which doesn't exist
- Ensures consistent image server URL across all build targets
- Fixes issue where build:ios:dev used production image URL instead of test URL
- Aligns with web build script behavior for environment variable precedence
Resolves inconsistent VITE_DEFAULT_IMAGE_API_SERVER values between build targets.