The 4 content peer handlers (browse, download, download_paid, preview)
captured the transport returned by PeerRequest::send_get() but discarded
it, so the federation node's last_transport was never updated for cloud
activity — the UI showed Tor/none even when FIPS was used. Call
record_peer_transport() after each successful fetch (same as sync does).
Note: live data shows FIPS still reaches only some peers (many genuinely
fall back to Tor) — tracked separately as B14b (FIPS reachability).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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