Files
nucleic-remote-ios/NucleicRemote
abkslmandClaude Fable 5 272039cca5 Tailnet: interactive browser login + LAN↔tailnet fallback
Browser login — the auth key is now optional on both platforms. When the
embedded node starts with no key, TailnetNode asks the backend (LocalAPI
backendStatus — IPN state, deliberately not filesystem heuristics: tsnet
writes logs and a machine key on every start, registered or not) whether a
login is needed, triggers login-interactive, surfaces the auth URL through a
new statusStream()/.needsLogin, and waits for Running (4-minute deadline,
generation-fenced against stop/restart). The Mac auto-opens the login page
from Settings ▸ Remote and shows a re-open button; the iPhone auto-opens only
during user-initiated pairing (a background reconnect that suddenly needs a
login must not eject the user to Safari — Settings ▸ Tailscale carries the
link). The remote-access toggle now reflects the in-flight start instead of
snapping off for the whole login window, and toggling off mid-start is
honored at both commit points (before and after host.start).

LAN↔tailnet fallback — picking Tailnet now keeps LAN on too: the host runs
both listeners under a new CompositeSyncListener (merged accept stream; one
child ending doesn't end the rest) and the pairing QR carries both hints.
The phone builds an ordered candidate chain — LAN first (QR hint or Bonjour),
tailnet second — and walks it on pair and reconnect, so a phone that leaves
the Mac's Wi‑Fi rolls over to the tailnet and rolls back when it returns.
A per-channel 4s connect guard (readiness-checking, bound to exactly its
channel) keeps a stale LAN hint from hanging the chain; a stale-client guard
in consume() keeps a replaced client's tail events from advancing it; chain
exhaustion during pairing lands in a terminal failure instead of spinning on
"Connecting…"; routine pre-fallback handshake errors no longer flash the red
error bubble. "Connected · LAN / Tailnet" shows whichever transport won.

Multi-agent review: 11 confirmed findings (incl. the login gate being dead
code via tsnet's eager state-dir writes, and two connect-timeout races), all
fixed and re-verified. Suite green (24 sync-related tests incl. 3 new
CompositeSyncListener tests); macOS + iOS builds clean.

Co-Authored-By: Claude Fable 5 <[email protected]>
2026-07-03 16:14:45 -07:00
..
2026-06-27 15:24:50 -07:00

NucleicRemote (iPhone client)

The thin iOS remote client for Nucleic (PLAN milestone M4). It's a pure projection of the Mac host over LAN: monitor sessions, read transcripts/diffs, answer approvals, and send follow-up input — scope approve. No local git or CLI; the Mac is the single authority (see docs/UX_IOS.md and docs/SYNC_PROTOCOL.md).

Architecture

All wire/crypto logic is shared with the Mac via the NucleicProtocol SwiftPM library (this Xcode project links it as a local package at ../..):

  • Transport — NWFrameChannel (NWConnection) + LANDiscovery (Bonjour _nucleic._tcp).
  • Engine — NucleicProtocol.SyncClient runs the Noise handshake (XXpsk0 to pair, IK to reconnect), exchanges hello/welcome, and turns HostMsgs into a SyncClient.Event stream.
  • State — RemoteStore (ObservableObject) is the single on-device UI state, a pure projection of the host. Identity + pinned host live in IdentityStore (Keychain + UserDefaults).
  • UI — SwiftUI: SessionsView (attention-first list), SessionDetailView (transcript/diff + status-driven action area), ApprovalCardView (Face ID gate on high-risk), PairingScannerView (QR), SettingsView.

Build & run

# Resolves the local NucleicProtocol package automatically.
xcodebuild -project ios/NucleicRemote/NucleicRemote.xcodeproj \
  -scheme NucleicRemote \
  -destination 'platform=iOS Simulator,name=iPhone 17 Pro' build

Or open NucleicRemote.xcodeproj in Xcode and run. To pair, start the sync server on the Mac (Nucleic ▸ Settings ▸ Add iPhone shows the QR), then scan it. On a real device, both must be on the same Wi‑Fi.

Status

The full pair → list → subscribe → approve → reconnect path is implemented and the protocol/ server side is covered by tests in Tests/NucleicProtocolTests and Tests/NucleicCoreTests. Push notifications / Live Activity (UX_IOS §5.1/§5.3) are the M5 follow-up (needs the relay).