Subscription OAuth is aliased across the legacy `anthropic` id (where login
persists the credential) and `anthropic-subscription` (where the settings card
and status read are keyed). After an in-session logout, re-login wrote only
`anthropic` and never cleared the in-memory `anthropic-subscription` logged-out
flag, so the card reported "Login did not complete" despite a valid stored
credential until the process restarted.
auth-storage's proxy now clears the logged-out suppression on both aliases when
either is re-authenticated (new `login` trap + hardened `set` trap via
clearReauthenticatedLogoutState); raw api_key writes stay scoped to their own
card. Also surface previously-swallowed background OAuth login failures on
GET /auth/status (`loginError`) plus server logs and a settings toast, so real
paste-callback failures are diagnosable instead of a generic error.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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