chore(webapp,core,sdk): upgrade @s2-dev/streamstore to 0.25 and migrate S2 hosts - #4349

Merged

ericallam merged 32 commits into

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feat/s2-caught-up-reads

Aug 1, 2026

Commits on Jul 31, 2026

feat(sdk,core): close resumed chat streams promptly when caught up
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fix(webapp): stop the dev server sending duplicate CORS headers
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fix(core): end caught-up tracking on all terminal stream paths
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fix(core,sdk): settle resumed chat streams correctly on caught-up
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docs(ai-chat): document tail-on-ping and the client-side caught-up close
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test(webapp): full-stack session-stream e2e over s2-lite
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test(webapp): browser-level cross-origin session-stream e2e
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test(webapp): make the browser session-stream leg CI-robust
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test(webapp): cover more session-stream scenarios
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test(webapp): full-stack chat.agent e2e with the real turn loop
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test(webapp): agent e2e legs for validate rejection, action, and stop
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test(webapp): agent e2e legs for tools, HITL, and snapshot restore
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test(webapp): agent e2e legs for regenerate, tool approval, and session isolation
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test(core,webapp): in-process waitpoint backend for run-lifecycle e2e
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test(webapp): suspend/resume, upgrade deferral, and multi-hop continuation legs
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test(core,webapp): suspend-hook, OOM-retry, and idle-timeout e2e legs
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fix(sdk): recover the in-flight message on a preloaded chat.agent retry
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fix(core): stop reconnecting a session stream after the consumer cancels
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ci(e2e-webapp): pre-pull the MinIO image for the session-stream e2e
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test(webapp): make the session-stream e2e reliable in CI
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test(core,webapp): terminate in-process agent e2e runs reliably
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test(webapp): drain the session .out collector across reconnects
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fix(webapp): keep session .out writable when S2 access tokens are skipped
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fix(sdk): request the caught-up settle on AgentChat.reconnect()
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refactor(core,sdk): drop the client-side caught-up close, rely on the server fast-close
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fix(core): fire the session-stream onComplete callback at most once
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docs(sdk): note AgentChat.reconnect resumes a stream, not a fresh turn
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refactor(webapp): make S2 account and basin hosts env-configurable with cloud defaults
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fix(core): notify stream completion on connection end, not only on consumer drain
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Commits on Aug 1, 2026