Merge nucleic/fuzzy-maple-koala-87xd into dev

This commit is contained in:
2026-08-11 18:04:53 -07:00
parent 35ce68df3e
commit b65ede7161
9 changed files with 47 additions and 47 deletions
@@ -196,7 +196,7 @@ final class HostConnection {
private var reconnectAttempts = 0 private var reconnectAttempts = 0
private var seenSeq: Set<UInt64> = [] private var seenSeq: Set<UInt64> = []
// Covalence direct (SYNC §3.3): when the current attempt is over the relay, its channel is // Hydrangea direct (SYNC §3.3): when the current attempt is over the relay, its channel is
// wrapped in a `MultipathFrameChannel` so a background hole punch can migrate the session // wrapped in a `MultipathFrameChannel` so a background hole punch can migrate the session
// off the relay. `directBox` routes the host's `directAnswer`/`directGo`/`directDecline` // off the relay. `directBox` routes the host's `directAnswer`/`directGo`/`directDecline`
// replies to the driver; `directTask` is the background upgrade attempt. // replies to the driver; `directTask` is the background upgrade attempt.
@@ -218,7 +218,7 @@ final class HostConnection {
private enum TransportAttempt { private enum TransportAttempt {
case lan(NWEndpoint) case lan(NWEndpoint)
case tailnet(host: String, port: UInt16) case tailnet(host: String, port: UInt16)
/// Covalence Relay (mesh P2) — the immediate baseline whenever admission is available. /// Hydrangea Relay (mesh P2) — the immediate baseline whenever admission is available.
case relay(base: URL, membershipToken: String) case relay(base: URL, membershipToken: String)
} }
@@ -542,7 +542,7 @@ final class HostConnection {
releaseChannel: BuildInfo.current.channel.releaseChannel, releaseChannel: BuildInfo.current.channel.releaseChannel,
// Mesh "join": advertise roster gossip so a host pushes its group view — the phone // Mesh "join": advertise roster gossip so a host pushes its group view — the phone
// then auto-learns and connects to every Mac in the mesh, not just the one it scanned. // then auto-learns and connects to every Mac in the mesh, not just the one it scanned.
// Also offer this phone as a low-tier AFM executor (COVALENCE_RUNNER §5) when the // Also offer this phone as a low-tier AFM executor (HYDRANGEA_RUNNER §5) when the
// OS has Foundation Models — a runner host's mesh queue may place background work // OS has Foundation Models — a runner host's mesh queue may place background work
// here; the interactive tiers stay on desktop-class devices by the queue's rules. // here; the interactive tiers stay on desktop-class devices by the queue's rules.
clientCaps: WireClientCapabilities( clientCaps: WireClientCapabilities(
@@ -551,7 +551,7 @@ final class HostConnection {
intelligenceProfile: PhoneIntelligenceExecutor.profile, intelligenceProfile: PhoneIntelligenceExecutor.profile,
// Mesh casting: receive the activity feed / messages / runner presence. // Mesh casting: receive the activity feed / messages / runner presence.
canCast: true, canCast: true,
// Covalence direct (SYNC §3.3): this phone runs the relay→direct upgrade. // Hydrangea direct (SYNC §3.3): this phone runs the relay→direct upgrade.
canDirectConnect: directEnabled)) canDirectConnect: directEnabled))
self.client = client self.client = client
consume(client, pairingPayload: pairingPayload) consume(client, pairingPayload: pairingPayload)
@@ -812,15 +812,15 @@ final class HostConnection {
// Collapsed Bash summary lines the owner pushes to peer *Macs* (mesh session sync). // Collapsed Bash summary lines the owner pushes to peer *Macs* (mesh session sync).
// The phone renders its own deterministic command summaries, so it ignores these. // The phone renders its own deterministic command summaries, so it ignores these.
break break
case .carbonHeads, .carbonHeadAdvanced, .carbonManifestData, .carbonManifestUnavailable, case .hydrangeaHeads, .hydrangeaHeadAdvanced, .hydrangeaManifestData, .hydrangeaManifestUnavailable,
.carbonShardData, .carbonShardUnavailable: .hydrangeaShardData, .hydrangeaShardUnavailable:
// Carbon shard replication (docs/CARBON_SHARDING.md §8.6, D13): phones hold no // Hydrangea shard replication (docs/HYDRANGEA_SHARDING.md §8.6, D13): phones hold no
// Carbon store, no key custody, and never mirror — every case is inert here. The // Hydrangea store, no key custody, and never mirror — every case is inert here. The
// phone never sends the fetch verbs (it doesn't advertise `canMirrorCarbon`), so // phone never sends the fetch verbs (it doesn't advertise `canMirrorHydrangea`), so
// these arrive only if a future host misroutes; ignoring them is the contract. // these arrive only if a future host misroutes; ignoring them is the contract.
break break
case .carbonLockDecision, .carbonLockLedgerAdvanced: case .hydrangeaLockDecision, .hydrangeaLockLedgerAdvanced:
// Carbon lock verbs (CARBON_SHARDING §17.5): phones never acquire and hold no // Hydrangea lock verbs (HYDRANGEA_SHARDING §17.5): phones never acquire and hold no
// ledger fold — the lock viewer rides the sync-protocol snapshots. Inert (D13). // ledger fold — the lock viewer rides the sync-protocol snapshots. Inert (D13).
break break
case .transcriptReverted(let reverted): case .transcriptReverted(let reverted):
@@ -874,7 +874,7 @@ final class HostConnection {
// resolves (success or failure). Correlation by requestID happens in RemoteStore. // resolves (success or failure). Correlation by requestID happens in RemoteStore.
callbacks.projectCreated(outcome) callbacks.projectCreated(outcome)
case .intelligenceRequest(let request): case .intelligenceRequest(let request):
// A runner host delegated one AFM job here (docs/COVALENCE_RUNNER.md §5) — it only // A runner host delegated one AFM job here (docs/HYDRANGEA_RUNNER.md §5) — it only
// ever sends these after this app advertised `canProvideIntelligence`. Generate off // ever sends these after this app advertised `canProvideIntelligence`. Generate off
// the event stream (a model call takes seconds) and answer with the same id. // the event stream (a model call takes seconds) and answer with the same id.
Task { [weak self] in Task { [weak self] in
@@ -1004,7 +1004,7 @@ final class HostConnection {
} }
} }
// MARK: - Covalence direct upgrade (SYNC §3.3) // MARK: - Hydrangea direct upgrade (SYNC §3.3)
/// Once a relay session is live, arm its mux and start the background hole-punch upgrade. /// Once a relay session is live, arm its mux and start the background hole-punch upgrade.
/// The relay stays the session's spine; a successful punch just moves the frames off it. /// The relay stays the session's spine; a successful punch just moves the frames off it.
@@ -21,7 +21,7 @@ struct PairedHost: Codable, Equatable {
var transport: String? var transport: String?
var tailnetHost: String? var tailnetHost: String?
var tailnetPort: UInt16? var tailnetPort: UInt16?
/// Covalence Relay bootstrap (mesh P2): the host's room, this device's membership /// Hydrangea Relay bootstrap (mesh P2): the host's room, this device's membership
/// token, and an optional base-URL override. Set from the pairing QR and refreshed by /// token, and an optional base-URL override. Set from the pairing QR and refreshed by
/// the host's `relayMembership` push on every connect; nil while the host has the relay /// the host's `relayMembership` push on every connect; nil while the host has the relay
/// method off (records predating the relay decode them as nil). /// method off (records predating the relay decode them as nil).
@@ -4,7 +4,7 @@ import NucleicProtocol
import FoundationModels import FoundationModels
#endif #endif
/// The phone-side executor for delegated intelligence work (docs/COVALENCE_RUNNER.md §5, /// The phone-side executor for delegated intelligence work (docs/HYDRANGEA_RUNNER.md §5,
/// item 6): a runner host pushes `HostMsg.intelligenceRequest` at this device — the mesh AFM /// item 6): a runner host pushes `HostMsg.intelligenceRequest` at this device — the mesh AFM
/// queue only ever sends it the lower tiers (`completion`/`background`), which don't need /// queue only ever sends it the lower tiers (`completion`/`background`), which don't need
/// desktop tok/s — and this renders the shared `IntelligenceDelegate` template on the local /// desktop tok/s — and this renders the shared `IntelligenceDelegate` template on the local
@@ -99,7 +99,7 @@ final class RemoteStore: ObservableObject {
} }
/// The mesh's runner-presence cards (Macs / cloud runners advertising capacity), sorted by /// The mesh's runner-presence cards (Macs / cloud runners advertising capacity), sorted by
/// host name — the phone's window into the Covalence dispatch candidate pool. Keyed by the full /// host name — the phone's window into the Hydrangea dispatch candidate pool. Keyed by the full
/// `deviceID` (distinct from `PairedHost.fingerprint`), so it's presented as its own section /// `deviceID` (distinct from `PairedHost.fingerprint`), so it's presented as its own section
/// rather than cross-matched against the directly-paired Macs. /// rather than cross-matched against the directly-paired Macs.
var meshRunnerCards: [(hostID: String, presence: RunnerPresence)] { var meshRunnerCards: [(hostID: String, presence: RunnerPresence)] {
@@ -338,11 +338,11 @@ final class RemoteStore: ObservableObject {
return (descriptor, candidates) return (descriptor, candidates)
} }
/// Dispatch a new chat to the abstract **Covalence** destination from the phone: rank eligible /// Dispatch a new chat to the abstract **Hydrangea** destination from the phone: rank eligible
/// hosts by the shared scorer and try them in order, one at a time with a correlated, /// hosts by the shared scorer and try them in order, one at a time with a correlated,
/// idempotent ack (a timeout retries the same candidate once before moving on). On success /// idempotent ack (a timeout retries the same candidate once before moving on). On success
/// routes to the landed session. Mirrors `AppStore.dispatchChatToMesh`. The phone stamps /// routes to the landed session. Mirrors `AppStore.dispatchChatToMesh`. The phone stamps
/// itself as the Covalence origin, so the landed session is Covalence-managed (its owner keeps it /// itself as the Hydrangea origin, so the landed session is Hydrangea-managed (its owner keeps it
/// on the optimal host between turns); the phone can't own sessions, so the origin exclusion /// on the optimal host between turns); the phone can't own sessions, so the origin exclusion
/// is naturally satisfied by every candidate. /// is naturally satisfied by every candidate.
/// `intelligence` rides along exactly as it does for a direct start — and matters more here: /// `intelligence` rides along exactly as it does for a direct start — and matters more here:
@@ -365,8 +365,8 @@ final class RemoteStore: ObservableObject {
backend: nil, excluding: excluded).first backend: nil, excluding: excluded).first
else { else {
showError(tried == 0 showError(tried == 0
? "No Covalence host can take this chat right now." ? "No Hydrangea host can take this chat right now."
: "No Covalence host could take this chat (\(tried) tried).", sessionID: nil) : "No Hydrangea host could take this chat (\(tried) tried).", sessionID: nil)
return return
} }
tried += 1 tried += 1
@@ -379,7 +379,7 @@ final class RemoteStore: ObservableObject {
let request = StartChatRequest( let request = StartChatRequest(
projectID: targetProjectID, message: text, model: model, effort: effort, projectID: targetProjectID, message: text, model: model, effort: effort,
auto: auto, requestID: requestID, auto: auto, requestID: requestID,
covalenceOriginDeviceID: IdentityStore.deviceID(), hydrangeaOriginDeviceID: IdentityStore.deviceID(),
intelligence: intelligence) intelligence: intelligence)
var outcome = await sendDispatch(request, on: conn, timeout: .seconds(10)) var outcome = await sendDispatch(request, on: conn, timeout: .seconds(10))
if outcome == nil { if outcome == nil {
@@ -679,7 +679,7 @@ final class RemoteStore: ObservableObject {
/// "Add a project" (Projects tab): the phone asks a connected host advertising /// "Add a project" (Projects tab): the phone asks a connected host advertising
/// `canCreateProjects` to clone a git URL and register it (CLOUD_RUNTIME §4.3) — how a /// `canCreateProjects` to clone a git URL and register it (CLOUD_RUNTIME §4.3) — how a
/// fresh Covalence runner gets its first project. The outcome arrives asynchronously as /// fresh Hydrangea runner gets its first project. The outcome arrives asynchronously as
/// `HostMsg.projectCreated`, correlated by the request id below; the project row itself /// `HostMsg.projectCreated`, correlated by the request id below; the project row itself
/// rides the dashboard push. /// rides the dashboard push.
enum AddProjectState: Equatable { enum AddProjectState: Equatable {
@@ -2945,13 +2945,13 @@ final class RemoteStore: ObservableObject {
// Session-owning intents → the Mac that has this session. // Session-owning intents → the Mac that has this session.
case .subscribe(let s): case .subscribe(let s):
connection(owningSession: s.sessionID)?.send(msg) connection(owningSession: s.sessionID)?.send(msg)
case .fetchCarbonHeads, .fetchCarbonManifests, .fetchCarbonShards, .carbonShardAck: case .fetchHydrangeaHeads, .fetchHydrangeaManifests, .fetchHydrangeaShards, .hydrangeaShardAck:
// Carbon shard replication (docs/CARBON_SHARDING.md §8.6, D13): phones never // Hydrangea shard replication (docs/HYDRANGEA_SHARDING.md §8.6, D13): phones never
// mirror — no Carbon store, no key custody — so these verbs are never issued from // mirror — no Hydrangea store, no key custody — so these verbs are never issued from
// iOS. Inert by contract. // iOS. Inert by contract.
break break
case .carbonLockAcquire, .carbonLockRelease: case .hydrangeaLockAcquire, .hydrangeaLockRelease:
// Carbon lock verbs (CARBON_SHARDING §17.5): phones never acquire (D13) — the // Hydrangea lock verbs (HYDRANGEA_SHARDING §17.5): phones never acquire (D13) — the
// lock viewer stays a read-only sync-protocol surface. Inert by contract. // lock viewer stays a read-only sync-protocol surface. Inert by contract.
break break
case .unsubscribe(let id), .interrupt(let id), .deleteSession(let id), .discard(let id), case .unsubscribe(let id), .interrupt(let id), .deleteSession(let id), .discard(let id),
@@ -3019,7 +3019,7 @@ final class RemoteStore: ObservableObject {
// Account-level settings go straight to every eligible host from // Account-level settings go straight to every eligible host from
// `updateSyncedSettings`, not through this owner-routing switch. // `updateSyncedSettings`, not through this owner-routing switch.
.updateSettings, .updateSettings,
// Covalence direct handshake (SYNC §3.3) goes straight to the owning // Hydrangea direct handshake (SYNC §3.3) goes straight to the owning
// `HostConnection`'s `SyncClient` from the upgrade driver — never routed here. // `HostConnection`'s `SyncClient` from the upgrade driver — never routed here.
.directOffer, .directSelect: .directOffer, .directSelect:
break break
@@ -3157,10 +3157,10 @@ final class RemoteStore: ObservableObject {
switch msg { switch msg {
case .sendInput(let id, let input): case .sendInput(let id, let input):
demoRun(id, userText: input.plainText ?? "") demoRun(id, userText: input.plainText ?? "")
case .fetchCarbonHeads, .fetchCarbonManifests, .fetchCarbonShards, .carbonShardAck: case .fetchHydrangeaHeads, .fetchHydrangeaManifests, .fetchHydrangeaShards, .hydrangeaShardAck:
break // Carbon replication: never issued from iOS (D13); inert in demo too. break // Hydrangea replication: never issued from iOS (D13); inert in demo too.
case .carbonLockAcquire, .carbonLockRelease: case .hydrangeaLockAcquire, .hydrangeaLockRelease:
break // Carbon locks (§17.5): phones never acquire (D13); inert in demo too. break // Hydrangea locks (§17.5): phones never acquire (D13); inert in demo too.
case .startChat(let req): case .startChat(let req):
demoStartChat(req) demoStartChat(req)
case .approvalRespond(let id, let decision): case .approvalRespond(let id, let decision):
@@ -3235,7 +3235,7 @@ final class RemoteStore: ObservableObject {
// "Add a device" mint is handled directly against a live host, not via demoHandle; // "Add a device" mint is handled directly against a live host, not via demoHandle;
// the demo path short-circuits in `requestPairingCode()` with a stand-in code. // the demo path short-circuits in `requestPairingCode()` with a stand-in code.
.requestPairingCode, .cancelPairingCode, .respondMacPair, .requestPairingCode, .cancelPairingCode, .respondMacPair,
// Covalence runner verbs (COVALENCE_RUNNER §5–6) — demo has no runner host. // Hydrangea runner verbs (HYDRANGEA_RUNNER §5–6) — demo has no runner host.
.intelligenceResult, .credentialManifest, .credentialProvision, .credentialRevoke, .intelligenceResult, .credentialManifest, .credentialProvision, .credentialRevoke,
// Remote project creation (CLOUD_RUNTIME §4.3) — demo has no host to clone on. // Remote project creation (CLOUD_RUNTIME §4.3) — demo has no host to clone on.
.createProject, .createProject,
@@ -3250,7 +3250,7 @@ final class RemoteStore: ObservableObject {
// Account-level settings sync — demo has no host to persist/enforce them; the local // Account-level settings sync — demo has no host to persist/enforce them; the local
// `syncedSettings` mirror is already updated optimistically by `updateSyncedSettings`. // `syncedSettings` mirror is already updated optimistically by `updateSyncedSettings`.
.updateSettings, .updateSettings,
// Covalence direct handshake (SYNC §3.3) — demo has no real relay session to upgrade. // Hydrangea direct handshake (SYNC §3.3) — demo has no real relay session to upgrade.
.directOffer, .directSelect: .directOffer, .directSelect:
break // passive / already handled by the seeded fixtures (demo has no mesh peers) break // passive / already handled by the seeded fixtures (demo has no mesh peers)
} }
@@ -36,9 +36,9 @@ struct StartChatComposer: View {
/// project page's "+", so the chat always lands in that project. /// project page's "+", so the chat always lands in that project.
var lockedProject: WireProject? = nil var lockedProject: WireProject? = nil
@State private var projectID: ProjectID? @State private var projectID: ProjectID?
/// Covalence (mesh work queue): run on the project's own Mac (false) or on Covalence (true) — /// Hydrangea (mesh work queue): run on the project's own Mac (false) or on Hydrangea (true) —
/// auto-routed to the best eligible mesh host and kept on the optimal host between turns. /// auto-routed to the best eligible mesh host and kept on the optimal host between turns.
/// The phone itself can't run sessions, so every Covalence candidate is already "not here". /// The phone itself can't run sessions, so every Hydrangea candidate is already "not here".
/// Shown only when a connected peer could actually take it. /// Shown only when a connected peer could actually take it.
@State private var runOnMesh = false @State private var runOnMesh = false
@State private var autoOverride: Bool? @State private var autoOverride: Bool?
@@ -166,10 +166,10 @@ struct StartChatComposer: View {
Label(selected?.name ?? "", systemImage: "folder") Label(selected?.name ?? "", systemImage: "folder")
.font(.subheadline).foregroundStyle(.secondary).lineLimit(1) .font(.subheadline).foregroundStyle(.secondary).lineLimit(1)
} }
// Covalence (mesh work queue): shown inline only when the chat is actually going // Hydrangea (mesh work queue): shown inline only when the chat is actually going
// somewhere other than its owner, so the common single-Mac case says nothing at all. // somewhere other than its owner, so the common single-Mac case says nothing at all.
if runOnMesh && meshAvailable { if runOnMesh && meshAvailable {
Label("Covalence", systemImage: "antenna.radiowaves.left.and.right") Label("Hydrangea", systemImage: "antenna.radiowaves.left.and.right")
.font(.caption.weight(.medium)) .font(.caption.weight(.medium))
.foregroundStyle(Palette.accent) .foregroundStyle(Palette.accent)
.lineLimit(1) .lineLimit(1)
@@ -197,7 +197,7 @@ struct StartChatComposer: View {
if meshAvailable { if meshAvailable {
Picker("Run on", selection: $runOnMesh) { Picker("Run on", selection: $runOnMesh) {
Label("This Mac", systemImage: "desktopcomputer").tag(false) Label("This Mac", systemImage: "desktopcomputer").tag(false)
Label("Covalence", systemImage: "antenna.radiowaves.left.and.right").tag(true) Label("Hydrangea", systemImage: "antenna.radiowaves.left.and.right").tag(true)
} }
.pickerStyle(.inline) .pickerStyle(.inline)
} }
@@ -1,10 +1,10 @@
import SwiftUI import SwiftUI
import NucleicProtocol import NucleicProtocol
/// The phone's **Mesh Info** screen — the iOS analogue of the Mac's Covalence Mesh Viewer, reached /// The phone's **Mesh Info** screen — the iOS analogue of the Mac's Hydrangea Mesh Viewer, reached
/// from Settings ▸ Mesh ▸ "Mesh info". A read-only diagnostics surface over the mesh as this phone /// from Settings ▸ Mesh ▸ "Mesh info". A read-only diagnostics surface over the mesh as this phone
/// sees it: overall connection health, the Macs this phone is directly paired with (live status + /// sees it: overall connection health, the Macs this phone is directly paired with (live status +
/// transport), the mesh's runner-presence cards (the Covalence dispatch candidate pool with capacity / /// transport), the mesh's runner-presence cards (the Hydrangea dispatch candidate pool with capacity /
/// projects), and a live tail of fleet activity. Structural metadata only — never prompt/draft /// projects), and a live tail of fleet activity. Structural metadata only — never prompt/draft
/// content, matching the Mac viewer's redaction invariant. /// content, matching the Mac viewer's redaction invariant.
/// ///
@@ -75,7 +75,7 @@ struct MeshInfoView: View {
} header: { } header: {
Text("Runner capacity") Text("Runner capacity")
} footer: { } footer: {
Text("Hosts advertising capacity for Covalence-dispatched chats, and the projects " Text("Hosts advertising capacity for Hydrangea-dispatched chats, and the projects "
+ "they hold.") + "they hold.")
} }
} }
@@ -52,7 +52,7 @@ struct ProjectsView: View {
.refreshable { store.refreshSessions() } .refreshable { store.refreshSessions() }
.toolbar { .toolbar {
// "Add a project" (CLOUD_RUNTIME §4.3): clone a git URL on a connected host — // "Add a project" (CLOUD_RUNTIME §4.3): clone a git URL on a connected host —
// how a fresh Covalence runner gets its first project. Hidden when no live // how a fresh Hydrangea runner gets its first project. Hidden when no live
// host advertises `canCreateProjects` (an older Mac would reject the verb). // host advertises `canCreateProjects` (an older Mac would reject the verb).
if store.canCreateProject { if store.canCreateProject {
ToolbarItem(placement: .primaryAction) { ToolbarItem(placement: .primaryAction) {
@@ -93,7 +93,7 @@ struct SettingsView: View {
if store.isPaired { if store.isPaired {
// Read-only diagnostics view of the mesh — the iOS analogue of the Mac's // Read-only diagnostics view of the mesh — the iOS analogue of the Mac's
// Covalence Mesh Viewer. // Hydrangea Mesh Viewer.
NavigationLink { NavigationLink {
MeshInfoView() MeshInfoView()
} label: { } label: {
@@ -171,7 +171,7 @@ struct SettingsView: View {
Button { Button {
showScanner = true showScanner = true
} label: { } label: {
Label("Join a Covalence mesh", systemImage: "circle.dotted.and.circle") Label("Join a Hydrangea mesh", systemImage: "circle.dotted.and.circle")
} }
Button { Button {
showManualPair = true showManualPair = true
@@ -475,7 +475,7 @@ struct AddDeviceView: View {
} header: { } header: {
Text("Scan to join") Text("Scan to join")
} footer: { } footer: {
Text("On a new iPhone or iPad, open Nucleic Remote ▸ Join a Covalence mesh and scan this. " Text("On a new iPhone or iPad, open Nucleic Remote ▸ Join a Hydrangea mesh and scan this. "
+ "It joins the whole group — every Mac and device here.") + "It joins the whole group — every Mac and device here.")
} }
+1 -1
View File
@@ -18,7 +18,7 @@ All wire/crypto logic is shared with the Mac via the **`NucleicProtocol`** Swift
- **Transports** — three, all carrying the same Noise-encrypted frames end-to-end: - **Transports** — three, all carrying the same Noise-encrypted frames end-to-end:
**LAN** (`NWFrameChannel` over NWConnection + `LANDiscovery`, Bonjour `_nucleic._tcp`), **LAN** (`NWFrameChannel` over NWConnection + `LANDiscovery`, Bonjour `_nucleic._tcp`),
**tailnet** (an embedded `NucleicTailnet` node dialing the Mac's tailnet address), and the **tailnet** (an embedded `NucleicTailnet` node dialing the Mac's tailnet address), and the
**cloud relay** (`RelayFrameChannel` against the Covalence Worker room — which is E2EE-opaque **cloud relay** (`RelayFrameChannel` against the Hydrangea Worker room — which is E2EE-opaque
and forwards bytes it can't read). A relay session may upgrade to a hole-punched `direct` path. and forwards bytes it can't read). A relay session may upgrade to a hole-punched `direct` path.
- **Engine** — `NucleicProtocol.SyncClient` runs the Noise handshake (XXpsk0 to pair, IK to - **Engine** — `NucleicProtocol.SyncClient` runs the Noise handshake (XXpsk0 to pair, IK to
reconnect), exchanges hello/welcome, and turns `HostMsg`s into a `SyncClient.Event` stream. reconnect), exchanges hello/welcome, and turns `HostMsg`s into a `SyncClient.Event` stream.