* Revert "feat(ai): add HarnessAgent sidecar foundation (#560)"
This reverts commit 83a5ea1b42.
* Revert "Revert "feat(ai): add HarnessAgent sidecar foundation (#560)""
This reverts commit 0d8c03515888c62dc47186d4a3b0b7b04e78f8af.
* refactor(ai): ship Harness as optional companion
* fix(ai): support Harness companion on Windows
* test(ai): restore navigator after Harness Windows test