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Backend shipped "queued" ConversationStatus (additive to [email protected]): when a
request blocks on a concurrency slot, conversation.statusChanged broadcasts
"queued" (broadcast-only, never persisted); "active" on slot grant.
FE consumes it:
- WS parser (adapters/ws/logic.ts): accepts "queued" in the status set.
- Store handler: "queued" updates the status map + opens a tab for a new
cross-device queued conversation (like "active").
- TabList: status === "queued" -> loading-ring (spinner, aria-label "Queued");
"active" -> loading-dots (unchanged).
- Composer: status type widened to ComposerStatus (idle|running|queued|error),
exported from features/chat. "queued" -> a loading-ring status icon +
placeholder "Queued for a slot…"; behaves like "running" for the send
button (steer/stop — the turn is in flight, just waiting for a slot).
- App.svelte: composerStatus derived (error > queued > running > idle) —
conversationStatus === "queued" wins over generating so the corner shows a
ring during the wait (turn-start fires before the slot is granted, so
generating is already true while status === "queued").
- Re-mirrored .dispatch/wire.reference.md (ConversationStatus widened + header).
Tests: WS parser accepts queued; store handler sets status + opens a cross-device
tab + transitions queued->active->idle; TabList renders a ring for queued + dots
for active. typecheck 0/0, 925 tests green (x2), biome clean, build OK.
backend-handoff.md CR-13 marked RESOLVED.
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- core/chunks: add retry-banner view-model (+test), update reducer/selectors/types
- core/wire: update conformance checks (+test)
- adapters/ws: update reconnect logic (+tests)
- adapters/history: new client-side routing adapter (history + popstate wrapper)
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Consume the conversation lifecycle handoff ([email protected], [email protected]).
Re-pinned file: deps + re-mirrored .dispatch/*.reference.md.
- fetchOpenConversations() on connect: GET /conversations?status=active,idle
restores the tab bar across devices (merges with localStorage — opens new
tabs, removes closed ones, updates titles from backend)
- conversation.statusChanged WS handler: closed → removeTabLocally (no
re-POST); active → open tab + spinner; idle → update status map
- conversation.compacted WS handler: dispose stale store + cache, reload
history from server
- TabBar shows a spinner on active conversations (statusFor prop)
- closeTab refactored to use removeTabLocally (extracted cleanup)
- conformance guards + WS adapter tests cover all 3 new WsServerMessage types
686 tests green.
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Consume the conversation.open handoff ([email protected], [email protected]).
Re-pinned file: deps + re-mirrored .dispatch/*.reference.md.
- WS adapter (logic.ts + index.ts): parse + route the new top-level
"conversation.open" WsServerMessage to an onConversationOpen handler
- app store: openConversation(id) opens (or focuses) a tab — creates a chat
store, loads history, subscribes to live turns, creates+selects the tab
- conformance guard + WS adapter tests cover the new type
- backend also shipped conversation metadata endpoints (GET /conversations,
GET /conversations/:id/last, GET/PUT /conversations/:id/title) — mirrored
but not yet consumed by the FE
682 tests green.
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scope-aware subscriptions
- closeTab now POSTs /conversations/:id/close (abort in-flight turn + stop/disable
warming server-side); disconnect still leaves both running ([email protected])
- syncSubscriptions honors catalog scope ([email protected]): global surfaces are
not re-subscribed on conversation switch
- fix(ws): the surface-message parser dropped the conversationId echo (CR-4d was
ours, not the backend's) — preserved + unit-tested
- secondsUntilNext: 3s stale guard — a past nextWarmAt renders as waiting, not 0s
- re-pinned + re-mirrored [email protected] / [email protected]
- scripts/probe-cache-warming.ts: live CR-4 probe (default-off, future nextWarmAt,
repeated warms, mid-turn close abort, idempotent re-close) — 17/17 against bin/up
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- core/chunks: the one pure transcript reducer (foldEvent live deltas +
applyHistory seq-keyed reconcile + selectChunks/selectMessages); 27 tests
- core/wire: FE-side contract-conformance exhaustiveness guards + drift smoke
tests over wire/transport-contract unions (§2.9 drift signal); 10 tests
- adapters/ws: additively multiplex chat.send/chat.delta/chat.error on the
existing surface socket (onChat + widened send); surface API unchanged
- features/conversation-cache: pure reconcileCache/nextSinceSeq/selectEvictions
+ ConversationChunkStore port + injected createConversationCache; 26 tests
Verified green: svelte-check 0/0, vitest 169, biome clean, build ok.
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Pure-core feature libraries assembled at the composition root:
- core/protocol: pure reducer over surface catalog/spec/error messages
- features/surface-host: generic field-kind interpreter (toggle/progress/
selector/stat/button) + pure plan logic; no surface-id special-casing
- adapters/ws: injected WebSocket client (effects at the edge)
- app: composition root store (Svelte 5 runes over the pure reducer),
host-relative surface WS URL resolution (resolveWsUrl), root App.svelte
Verified green: svelte-check 0/0, vitest 84 passed, biome clean, vite build ok.
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