v16.3.0-canary.48

Misc Changes

• [turbopack] Enable turbopackFileSystemCacheForBuild by default in non-stable releases: #94616
• Add a cold cache dev indicator: #94611
• instant: build fix-card Copy AI prompt dynamically from title + link: #94637
• Stage short-lived 'use cache' entries correctly in dev: #94645
• docs: next/root-params references on i18n guide: #94629
• [ci] Reduce usage of turborepo cache in build_and_deploy.yml: #94319
• [ci] Download fnm directly from GitHub releases and validate checksum: #94579
• Call register_assignment_scope() in visit_export_default_expr() and visit_export_default_decl(): #94581
• fix: handle shell errors when resuming Node streams: #94668

Credits

Huge thanks to @lukesandberg, @unstubbable, @aurorascharff, @icyJoseph, @bgw, @sampoder, and @gnoff for helping!