This allowed us to finally consume ESM-only dependencies and has broken us free from some CJS shackes. Now produce the same API surface for CJS consumers, as well, by generating `./lib`

* Modern ignores 😁

* test: add distribution harness

* test: verify packed cjs and esm entrypoints

* test: lock distribution api manifest

* test: smoke test built pkg artifacts

* docs: require contract tests for package migration

* test: guard esm migration regressions

* docs: require contract gate for esm migration

* build: generate cjs lib from esm source entries

* refactor: port root api surface to esm

* build: clean port of root api to esm

* docs: include implementation plans

* fix: align lint and smoke tests with esm migration

* refactor: complete esm port of all core components

* refactor: finalize esm migration with sandbox and naming fixes

* fix: finish esm migration stabilization

* chore: stop tracking generated lib output

* remove plans

* prettier

* linting

* fix: make distribution tests self-contained

* fix: build before coverage test bundle

* refactor: move simple unit tests to src

* refactor: flatten test and coverage script chains

* refactor: use parallel mocha for node tests

* test: restore fake timers cleanup

* refactor: remove node test runner script

* remove unneccessary clutter

* fix: make mocha watch use polling

* simplify

* Increase coverage

* Fix coverage by removing duplicated tests

These were covering the generated lib/ folder.

* Move shared util into esm dir

* fix package dep issues

* Adjust coverage

* Upgrade all dependencies

npx npm-check-updates -u

…2693)

* fix(#2692): Remove ESM-only supports-color as it breaks CJS exports

* don't break in sauce lab runs in edge

* Increase test coverage

* ensure npm scripts are run in parallel

used only during dev, and caused a considerable dep count jump downstream

* Upgrade to ESLint 10 and new shared config

* Update deps