Mint a 160-bit capability URL (/s/<token>) serving a standalone read-only guest
launcher: same tiles, opens apps in new tabs, no account, no admin session.
Information only, zero control — every privilege stays behind each app's own auth.
- /s/ pre-auth pass-through (after the claim gate) + session-CSRF exemption; guest
password POST carries its own pre-auth HMAC CSRF.
- Constant-time token match; empty stored token = disabled = byte-identical mux 404.
- Optional per-share password: separate bcrypt hash + own attempt map; signed cookie
= HMAC(token|passwordHash) keyed with web.session_secret, so rotate/change invalidates.
- Guest labels ride the v0.164.0 ruling; never expose internal state vocabulary.
- Token redacted in logs (/s/<redacted>); never in CHANGELOG/REPORT/CONTEXT.
- Admin modal: copy-link, QR (go-qrcode), set/clear password, rotate, disable.
- Tests: Groups A-G (14) + 3 red-proofs verified red.
admin
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