AHA. It's a Primal-Alby interaction problem. Alby error (see below) crashes primal. If I enable Alby to run in FF Private mode, Primal no longer loads. Removing it again restores ability to load Primal.
Alby shows the error "Error: e.payment_hash is undefined" when browser URL is `primal.net`. Evidently Primal fails to parse (and then just fails) some WebLN API response?
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