Interaction layer turning the read-only chat into a working remote control,
mirroring the merged Android B-M3ab feature-for-feature (web authority where
the ports disagreed):
- ChatInteractor (HapiClient, fully swift-test covered): optimistic composer
sends (appendOptimistic -> POST -> status settle), queue-by-default with a
long-press Send&Steer intent while a turn is active, tap-to-retry on failed
rows (steer retries degrade to queue), per-session drafts
(UserDefaultsChatDrafts, hub-scoped keys, debounced + flushed on close).
- session_inactive (409) recovery: one POST /resume (current permissionMode)
then retry; a superseding session id seeds the new window
(MessageWindowControllers.seed), migrates the draft, retargets the
optimistic row and emits sessionSuperseded -- ChatView/HomeView replace the
navigation entry in place.
- Queued bar: uninvoked sends in web sort order with Cancel (optimistic
DELETE; invoked-race ingests the authoritative row as sent), Edit
(cancel + composer prefill, newer-draft guard) and Steer (invoked answers
reconcile a missed consume); single-flight per-row op guard.
reconcileQueuedState now runs on chat open and on session-pipe gap.
- Permission actions: flavor-exact bodies mirroring PermissionFooter.tsx --
claude {} / allowTools (Bash(cmd)) / mode:acceptEdits, codex-family
decision approved / approved_for_session / abort via deny -- plus
AskUserQuestion flat answers (option cards, Other free text, no-questions
fallback, cursor stable ids) and request_user_input nested answers
(user_note suffix, required validation); optimistic Resolving /
AlreadyHandled (404/409) overrides settled by the agentState patch.
ChatPipeline now re-attaches the window row's client status so failed
user rows actually render the retry affordance (web normalize.ts parity;
the Android reference misses this overlay).
- Session config sheet (toolbar gear): catalog-driven permission-mode picker
with tones, claude static model/effort catalogs (ModelCatalog port), codex
models via new GET /sessions/:id/codex-models endpoint + wire types with
per-model reasoning efforts; optimistic detail updates
(SessionListStore.updateDetailLocal, new) rolled forward to server truth
on error.
- Lifecycle: VisibilityReporter posts POST /api/visibility per tracked
handshake subscriptionId on scene-phase flips (404 prunes); ChatSession
exposes its subscriptionId and feeds the reporter; the global SSE pipe was
already HubSession-lifetime on iOS.
- Tests: ChatInteractorTests transcribes the Android interaction suite
against the real APIClient/AuthManager/SessionListStore/window registry
with only HTTP scripted -- canonical JSON bodies asserted byte-for-byte
(send/approve/deny/config), optimistic send happy/fail/retry, 409 resume
both id paths, cancel invoked-race, steer reconcile, edit prefill,
override lifecycle, config optimistic + rollback, drafts, abort.
- HapiProtocol/Pairing/BindLink: parses the companion deeplink
(hapicompanion://bind?hub=&code=) and the web direct-access QR
(?hub=&token=) with URLSearchParams form-decoding semantics, in
lockstep with the Android port (tests mirror BindLinkTest.kt).
- HapiClient/Auth/HubPairingService: normalize -> GET /health
(reachability + protocolVersion) -> POST /api/auth -> persist
Keychain + registry + active hub; unpair with fallback. Covered by
PairingLogicTests through the HTTPPerforming seam.
- App layer: AppModel (@Observable @MainActor pairing state machine:
restore, pair, switch, sign out, deep-link routing, scenePhase,
terminal-auth-failure banner) + HubSession (per-active-hub APIClient/
AuthManager/global SSEClient with suspend-resume and a connection
state for the UI; store routing is TODO(M2)).
- Pairing UI: welcome flow, VisionKit QR scanner (with Simulator/
permission fallbacks), manual entry (paste-friendly), shared confirm
sheet with per-PairingFailure error states.
- HapiApp routes hapicompanion:// through AppModel (paired hubs switch
with a notice, never log the token); RootView switches unpaired/
paired and hosts the deep-link confirm sheet; HomePlaceholderView
shows hub, connection dot, hub switcher (M2a replaces it with the
session list).
- Info.plist: NSCameraUsageDescription; README: pairing guide + manual
test pass.
weishu