docs: note npm name availability

Author: steipete

docs/refactor/jan4.md

@@ -4,4 +4,6 @@
 - [x] ~~Centralize registry resolution (single `getRegistry()`), cache discovery in global config~~
 - [x] ~~Split `packages/clawdhub/src/cli.ts` into modules (<500 LOC per file)~~
 - [x] ~~Proxy `https://clawdhub.com/api/*` to discovered `apiBase` (single-base-URL UX)~~
+- [x] ~~Verify npm name availability (`clawdhub`)~~
+- [ ] Update deps to latest (`bun update --latest`)
 - [ ] Full gate: `bun run lint`, `bun run test`, `bun run coverage`, `bun run build`, CI green