feat(ai, ai-harness): protocol v2 with one wire encoding, healthy streams, run tags, lifecycle events, usage by source, and tracing by AlemTuzlak · Pull Request #1821 · TanStack/ai

feat(ai-harness): a grouped stream option for the heartbeat, the slow-consumer close, and the SSE and socket buffer limits

AlemTuzlak

committed

04b667b

Merge branch 'feat/harness-handoffs' into feat/harness-reporting

AlemTuzlak

committed

da677f0

feat(ai-harness): run tags on every event frame, ctx.model.chat for plugins, and usage by source

AlemTuzlak

committed

d3d9d8d

Merge branch 'feat/harness-coding-workspace' into feat/harness-reporting

AlemTuzlak

committed

22d1caf

feat(ai-harness): lifecycle events, counted router and transfer model calls, tracing with span links, and onOperation reports

AlemTuzlak

committed

f07d16c

Merge branch 'feat/harness-coding-workspace' into feat/harness-reporting

AlemTuzlak

committed

e59918d

docs(ai-harness): the harness protocol page, keeping the stream open, stopping a turn from useChat, and the changesets for reporting and observability

AlemTuzlak

committed

2ab325f

docs(ai-harness): run tags and the gap reload in the custom UI page

AlemTuzlak

committed

4169f3d

test(e2e): the wire, the gap, the run tree in one stream, lifecycle events, tracing, remote status, cancel from another host, and an unsupported version

AlemTuzlak

committed

8bf66f3

test(ai-harness): give polled checks room for slower CI coverage runs

AlemTuzlak

committed

b742c17

Navigation Menu

Repository navigation

feat(ai, ai-harness): protocol v2 with one wire encoding, healthy streams, run tags, lifecycle events, usage by source, and tracing - #1821

feat(ai, ai-harness): protocol v2 with one wire encoding, healthy streams, run tags, lifecycle events, usage by source, and tracing#1821
AlemTuzlak merged 21 commits into
feat/harness-coding-workspacefrom
feat/harness-reporting

Commits on Oct 17, 2026

feat(ai-harness, ai): protocol v2 frames with error codes and request ids, observability types, and pull-based SSE and socket senders

docs(ai-harness): first draft of the harness protocol page

Merge branch 'feat/harness-log-session' into feat/harness-reporting

feat(ai-harness): one wire encoding on every transport with hello, version, request ids, and heartbeats; hooks and status from other hosts; a gap event for evicted feeds

test(e2e): the access spec skips the hello frame of the session stream

Commits on Oct 18, 2026

feat(ai-harness): a grouped stream option for the heartbeat, the slow-consumer close, and the SSE and socket buffer limits

Merge branch 'feat/harness-handoffs' into feat/harness-reporting

feat(ai-harness): run tags on every event frame, ctx.model.chat for plugins, and usage by source

Merge branch 'feat/harness-coding-workspace' into feat/harness-reporting

feat(ai-harness): lifecycle events, counted router and transfer model calls, tracing with span links, and onOperation reports

Merge branch 'feat/harness-coding-workspace' into feat/harness-reporting

docs(ai-harness): the harness protocol page, keeping the stream open, stopping a turn from useChat, and the changesets for reporting and observability

docs(ai-harness): run tags and the gap reload in the custom UI page

test(e2e): the wire, the gap, the run tree in one stream, lifecycle events, tracing, remote status, cancel from another host, and an unsupported version

test(ai-harness): give polled checks room for slower CI coverage runs

Commits on Oct 19, 2026

feat(ai-mcp, ai-acp, ai-code-mode, ai-skills, ai-harness-cli, ai-harness): integrations on the new harness, with MCP reconnects, ACP order, a skills watcher per host, and a CLI that cancels at once…

fix(ai-harness): use the real OpenTelemetry types, guard a tracer that throws, and trace a transfer inside it

fix(ai-harness): trim the protocol to one version check, put the parent run on RUN_STARTED, and surface harness.error in the client

fix(ai-harness): no usage event after a run finished, and bySource on old snapshots

fix(ai-harness, ai-persistence): read takeover and open questions from real state, and clear the runs of a stopped owner

test(ai-harness): an append is an input, so a non-owner forwards it and the log has its input records