fix(one): prune stale warm dependencies

[natew]

Summary

• validate persisted warm dependencies with Vite before optimization
• prune excluded, missing, and package-export-incompatible entries from the cache
• cover the Legend List failure mode with a package whose root export is unavailable

Validation

• bun turbo run build --filter=one
• bun run typecheck in packages/one
• bun run lint in packages/one
• bun run test in packages/one (566 passed, 56 skipped)
• bun run test in tests/test-warm-routes (reproduced failure before fix, passed after)

[railway-app]

🚅 Deployed to the one-pr-741 environment in onestack.dev

Service	Status	Web	Updated (UTC)
one	✅ Success (View Logs)	Web	Jul 19, 2026 at 6:03 pm