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2026-06-07fix: optimistic user message echo + tabs persistenceAdam Malczewski
Bug 1 (sent message didn't appear until turn end): the transcript only folded assistant AgentEvents, so the user's own message showed only after turn-sealed resync. Add core/chunks appendUserMessage() (provisional user chunk, superseded on history sync) and call it in chat send() — the message now renders instantly. Bug 2 (tabs didn't persist on refresh): the app passed { storage: undefined } to createLocalStore, which the adapter treats as a no-op store, so nothing was saved. Default to globalThis.localStorage. Regression test exercises the non-injected path. Also updated app store tests for the echo (assistant-vs-user chunk filtering). Verified: svelte-check 0/0, vitest 288 (stable x2), biome clean, build ok.
2026-06-07Slice 2 wave 1: transcript reducer, wire conformance, ws chat, cache coreAdam Malczewski
- 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.
2026-06-06Slice 1: surface system + WS transport + composition rootAdam Malczewski
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.