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weishu
15f48c9c65
HapiClient/SSE per docs/api/client-contract/sse.md and the web reference (web/src/hooks/useSSE.ts): - SSELineParser: incremental frame parser (LF/CRLF, multi-line data, comments, retry ignored); per-block ids only — sticky-cursor semantics live in the caller so id-less heartbeats can never blank the cursor. - ReconnectPolicy + SSETimings: 0s first retry, 1s x2 capped at 30s, 300s slow ceiling after 8 attempts, 0-500ms injectable jitter; connect timeout 10s, staleness 90s, foreground-resume 45s, watchdog tick 10s. - SSETransport protocol + URLSessionSSETransport (URLSession.bytes with dedicated config: 300s idle timeout, 7d resource, no waitsForConnectivity). - actor SSEClient: idle/connecting/connected/backoff/suspended machine; handshake-gated connected state surfacing resume ok|gap; per-subscription cursor sent as ?lastEventId, advanced only after consumer yield (at-least-once); one free token-refresh retry per connect cycle on 401; suspend defers retries, resume applies the 45s staleness check; acceptEncodingIdentity escape hatch (gzip streaming verification TODO). - NetworkPathObserving + NWPathObserver: path change while connected is treated as a transport error (immediate reconnect). - swift-testing suite on a fake transport + manual clock: parser edge cases, exact backoff schedule + seeded jitter bounds, handshake gating, ok/gap verdicts, cursor replay + isolation, heartbeat vs watchdog, 90s staleness, connect timeout, suspend/resume, event ordering, unknown-type passthrough, 401 bypass cap, path-change reconnect.