chore: make @metamask/test-snaps-site publishable

[seaona]

Note

Make @metamask/test-snaps publishable and adjust Yarn constraints accordingly.

• packages/test-snaps/package.json:
  • Make package public by removing private and adding publishConfig (access: public, npm registry).
  • Restrict published files to dist via files array.
  • Add scripts.publish:preview.
• yarn.config.cjs:
  • Exempt packages/test-snaps from ESM/CJS exports enforcement (same as snaps-sandbox).

^{Written by Cursor Bugbot for commit 6efe9dd. This will update automatically on new commits. Configure here.}

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.29%. Comparing base (9aa68cd) to head (6efe9dd).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3679   +/-   ##
=======================================
  Coverage   98.29%   98.29%           
=======================================
  Files         417      417           
  Lines       11924    11924           
  Branches     1851     1851           
=======================================
  Hits        11721    11721           
  Misses        203      203           

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[mcmire]

@seaona The output from yarn constraints is not very good. But this is basically saying that you need to add exports to package.json. See e.g.

snaps/packages/snaps-cli/package.json

Line 20 in 9aa68cd

"exports": {

for an example. (There may be other things you need to add to package.json. You can run yarn constraints yourself to see.)

[seaona]

to fix this:

[seaona]

to fix this

[seaona]

hi there @mcmire thank you for taking a look! I think issues should be fixed now 🙏