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Add NIP-46 remote signer (external signing)

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Add a remote-signer (bunker) role so other Nostr apps can delegate
signing to this app's active profile keys via nostrconnect:// links.

Backend: new src/signer.rs implementing the NIP-46 protocol (kind 24133
events encrypted with NIP-44 v2 conversation keys). It parses
nostrconnect:// connect URIs, spawns an async task in the serve process
that reads relay requests, auto-approves once the handshake completes,
signs delegate events, and publishes responses. Exposes status, connect,
and disconnect via IPC and CLI (signer status / signer connect).

Other: ipc.rs serve/handle now share Arc<Mutex<App>>; main.rs adds the
signer CLI commands; Cargo.toml enables nostr nip46 feature.

Frontend: new Signer screen (nav item + sidebar entry with key icon)
to paste a nostrconnect:// link, connect/disconnect, and show the
connected peer and relays; wires signer_connect/_disconnect/_status
through api.ts and AppProvider; adds tests and test mocks.
This commit is contained in:
Avi 2026-08-05 19:28:26 -05:00
commit 73cb08d856
17 changed files with 1125 additions and 7 deletions
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28
frontend/src/styles.css
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@ -1481,3 +1481,31 @@ select {
font-size: 13px;
word-break: break-word;
}
.signer-badge {
display: flex;
align-items: center;
}
.signer-status {
display: flex;
flex-direction: column;
gap: 14px;
}
.signer-relay {
display: inline-block;
margin-right: 8px;
padding: 2px 8px;
background: var(--surface-2);
border: 1px solid var(--border);
border-radius: var(--radius-sm);
font-size: 12px;
}
.signer-actions {
display: flex;
flex-direction: column;
align-items: flex-start;
gap: 12px;
}