refactor(console): trace views ride the trace trigger, not span streams - #940
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Caution Review failedThe pull request is closed. ℹ️ Recent review info⚙️ Run configurationConfiguration used: Organization UI Review profile: CHILL Plan: Pro Plus Run ID: 📒 Files selected for processing (29)
📝 WalkthroughWalkthroughThe PR replaces trace span streams with activity-triggered refreshes, adds conversation session scoping and paged trace loading, and enables trace-to-chat navigation. Chat transcripts resolve turn links to message rows, then center and highlight the target message. ChangesTrace Activity and Chat Navigation
Estimated code review effort: 4 (Complex) | ~60 minutes Suggested reviewers: Poem
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✅ Passed checks (4 passed)
✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
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In `@console/web/src/pages/TracesV2/hooks/useAllSpans.ts`:
- Around line 144-152: Update the activity refresh logic in useAllSpans.ts at
lines 144-152 to keep an in-flight latch until seedRef.current() completes,
queue at most one trailing reseed, and apply only the latest seed result so
stale fetchTraces responses cannot overwrite newer data. Update the refresh
logic in useTraceData.ts at lines 179-186 to retain its latch through the full
invalidation cycle and execute at most one queued trailing invalidation.
In `@console/web/src/pages/TracesV2/index.tsx`:
- Around line 420-430: Update the detail-loading flow around rebuildDetail so
each load captures a monotonically increasing generation and only commits
detailSpansRef, waterfallData, errors, or loading state when that generation
remains current and traceId is still selected. Ignore stale successes and
failures from previously selected traces, while preserving the existing
pagination behavior.
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Configuration used: Organization UI
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📒 Files selected for processing (24)
console/web/src/components/chat/ChatView.tsxconsole/web/src/components/chat/MessageList.tsxconsole/web/src/lib/conversations-context.tsxconsole/web/src/lib/session-id.tsconsole/web/src/lib/trace-links.test.tsconsole/web/src/lib/trace-links.tsconsole/web/src/lib/traces-activity.test.tsconsole/web/src/lib/traces-activity.tsconsole/web/src/lib/traces-stream.test.tsconsole/web/src/lib/traces-stream.tsconsole/web/src/lib/turn-anchor.test.tsconsole/web/src/lib/turn-anchor.tsconsole/web/src/pages/TracesV2/components/TraceDetailSkeleton.tsxconsole/web/src/pages/TracesV2/components/TraceHeader.tsxconsole/web/src/pages/TracesV2/hooks/useAllSpans.tsconsole/web/src/pages/TracesV2/hooks/useTraceActivity.tsconsole/web/src/pages/TracesV2/hooks/useTraceData.tsconsole/web/src/pages/TracesV2/index.tsxconsole/web/src/pages/TracesV2/lib/traceChatLink.test.tsconsole/web/src/pages/TracesV2/lib/traceChatLink.tsconsole/web/src/pages/TracesV2/lib/traceFilters.test.tsconsole/web/src/pages/TracesV2/lib/traceFilters.tsconsole/web/src/pages/TracesV2/lib/traceTransform.test.tsconsole/web/src/pages/TracesV2/lib/traceTransform.ts
💤 Files with no reviewable changes (4)
- console/web/src/pages/TracesV2/lib/traceTransform.ts
- console/web/src/lib/traces-stream.test.ts
- console/web/src/pages/TracesV2/lib/traceTransform.test.ts
- console/web/src/lib/traces-stream.ts
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guibeira
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Aug 26, 2026
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Do you mind to solve the conflicts?
- The traces list follows the active conversation: selecting a chat scopes the list server-side to its iii.session.id (the identity attrs live on worker child spans, so the scope rides the search_all_spans wire shape), with a dismissable chip to show every session again. - "Go to message" on an open trace resolves the session/turn from the row's merged trace tags (span-attribute fallback for details opened without their row), opens the conversation, and lands the transcript on the turn's rows — centered, flashed, tail-follow paused. The link resolves from the list row's tags alone, so the jump is available while the paged detail is still loading (the button also renders on the detail skeleton). - Trace detail now loads in pages of 250 spans, so a very large trace never becomes one oversized RPC response on the worker connection. Claude-Session: https://claude.ai/code/session_01PkBwsbShR6zyzkupCuxjoZ
…dings Groups collapse by default on main, so a "go to message" target hidden behind the collapse had no DOM row and the landing could never center it — the pending focus request just lingered. The group now expands itself, via the render-phase setState pattern, in the same render the request resolves, latched through `expanded` so consuming the request doesn't re-collapse the revealed row. A wake pair's absorbed notification is addressable too: the pair's row carries both entry ids in `data-message-row`, space-separated, and the landing lookup matches tokens — a trigger-woken turn's anchor (its notification user message) lands on the pair that absorbed it. Claude-Session: https://claude.ai/code/session_01AG4J9zkEQPppaB8hmrq5XF
"Go to message" on a still-running turn used to no-op: the turn's durable rows had not reached the transcript yet, so the hydrated-but-anchorless guard dropped the request on arrival. The drop now waits for the session to stop working — a live turn writes its rows as it goes, and landing when they appear is what the click asked for — and rides out the completion gap (status flips idle before the last rows land) behind a short grace timer. The id guard keeps a stale timer from dropping a newer request, and a genuinely absent turn still drops, so a stale request can't fire on a later visit. Claude-Session: https://claude.ai/code/session_01AG4J9zkEQPppaB8hmrq5XF
…red traces The session-scoped empty state claimed "send a message to see its work here", which reads as a lie on a conversation that HAS worked but whose traces already expired from storage. The client cannot distinguish "never ran" from "already expired", so the copy now owns both causes and keeps both ways out: wait for new activity, or clear the session chip. Claude-Session: https://claude.ai/code/session_01AG4J9zkEQPppaB8hmrq5XF
…ount Measured against a live engine, a fixed 250-span page is not safe: a trace of ~75KB spans served 200 spans as a 15MB response in about a second, and a 230-span page — past the transport's ~16MiB message cap — never arrived at all. No error either: the RPC hangs forever, and the client wrapper exposes no timeout, so the detail skeleton would spin indefinitely — the very symptom the paging was added to fix, with the threshold moved. The seed now probes with a small first page, prices the trace's spans from that page's serialized size, and sizes every later page to a budget well under the cap. A client-side timeout backstops a mispriced page (one giant late span): shrink and retry the same window; only a page undeliverable at the floor fails the load, with an honest error. The live-engine check also settled the open questions in the old loop's favor: `include_internal` filters BEFORE pagination and `total` (2044 vs 1483 on the same trace), and pages arrive full — so the short-page guard is a correct end-of-list signal, now compared against the limit actually requested for that call. Claude-Session: https://claude.ai/code/session_01AG4J9zkEQPppaB8hmrq5XF
…es land Byte-sized paging made large traces load safely, but the whole sweep — up to ~14 one-second pages for a measured 1483-span trace of ~75KB spans — held the skeleton the entire time. Each merged page now updates the waterfall in place, dismissing the skeleton at the first painted page, so the detail appears in about a second and fills in with the same shape live span appends already have. Progressive updates also make the seed race load-bearing: a superseded sweep used to clobber state once at its end, now it would touch state on every page. A sequence guard abandons the stale sweep (its fetches stop, its late error stays silent), so switching traces mid-load keeps only the newest selection's spans. Claude-Session: https://claude.ai/code/session_01AG4J9zkEQPppaB8hmrq5XF
…il loads
Progressive painting removed the only signal that a trace was still
loading — after the first page the detail looked finished while up to a
dozen pages were still in flight. The header's span chip now counts up
("350/1483 spans" behind a spinner) while the paged seed sweeps, and
settles into the usual total when the sweep completes. The newest seed
owns the chip: superseding a sweep clears its reading immediately.
Claude-Session: https://claude.ai/code/session_01AG4J9zkEQPppaB8hmrq5XF
…l sweep Live-measured on a 609-span trace: rebuilding the waterfall on every page saturated the main thread — between the first painted page and the sweep's end the page produced essentially no frames, so the progressive fill and the counting chip could not actually animate. Repaints are now throttled to ~1/600ms during the sweep (the chip still counts every page — a cheap state update — and the final rebuild always runs). Same trace after: the sweep dropped from ~14s to ~10s and the count visibly progresses (206/609 → 362/609 → done). The remaining stretch without frames is the inherent main-thread parse of multi-MB page payloads in the SDK, out of scope here. Claude-Session: https://claude.ai/code/session_01AG4J9zkEQPppaB8hmrq5XF
Browser-validated failure: opening a chat whose scoped seed is slow showed "no observability — trace exporter not registered" for the whole wait (a lie — the exporter was fine), with no loading indication; and switching chats kept the PREVIOUS session's rows on screen, under the new session's chip, until the new response landed. Three causes, three fixes: - `hasOtelConfigured` conflated "exporter missing" with "empty result" and "no response yet". It is now tri-state: `false` only on the engine's definitive "memory exporter not enabled" answer (marked by fetchTraces, which used to swallow it into an indistinguishable empty response), `null` until a first response settles, `true` on any response — an empty list is an empty list. - The no-observability message renders only on `false`; while unknown, the list area shows its loading skeleton. - A scope/filter change drops the previous rows (and the hover-held pending batch), so the skeleton re-arms and stale traces can't pose as the new chat's. Re-validated in the browser: fresh load and slow scoped loads show the skeleton (message gone), and 0.6s after a chat switch the panel shows skeletons, then only the new session's trace. Claude-Session: https://claude.ai/code/session_01AG4J9zkEQPppaB8hmrq5XF
…s lists The scoped/text-search list seed was one flat read of 500 FULL spans: on a session with ~75KB spans that response reaches ~37MB — past the transport's ~16MiB delivery cap — and the RPC hangs forever with no error (CLI-verified: 25s, zero bytes). When it squeaked under the cap it took ~15s; whether it loaded at all depended on the moving span window. The seed now collects a byte-priced recency window (250 spans): a probe prices the spans, the remaining windows fire in PARALLEL (the server-side scan costs ~3.4s per call regardless of limit/offset, measured, so sequential pages would multiply it; two concurrent scans finish in ~4.5s total), and a window whose response never arrives splits in half and retries. Windows price at half the detail budget: a recency window mixes thin and fat spans (28KB up front, ~83KB deeper — measured), and an under-priced window costs a timeout+split round. Roots-only seeds are thin and keep their single read. Two guards keep the heavier-but-deliverable seed from melting the page: activity-driven reseeds of a filtered list now cool down to one per 10s (a busy session used to refetch the multi-MB sweep back-to-back — the old code got away with it only because its refetch hung silently), and the query retries once, not three ladders deep. Browser-measured end state on a 2092-span session: skeleton throughout, rows in ~17s, page responsive between parses — versus 15s-or-forever behind a false "no observability" panel. The residual latency is structural (engine scan cost, main-thread payload parse) and needs engine-side help: an errored oversized response, a roots-only scoped query, or an events-free list shape. Claude-Session: https://claude.ai/code/session_01AG4J9zkEQPppaB8hmrq5XF
…scope The trace list now follows the active chat: it arrives scoped to the session, flat (grouping is suspended while scoped), with a dismissable chip — so the group row this e2e waited for could never render. Assert the scoped arrival first (chip + this session's two traces as flat rows), then clear the scope and run the original grouped flow unchanged. Claude-Session: https://claude.ai/code/session_01AG4J9zkEQPppaB8hmrq5XF
The engine's devtools span streams (trace-rows / trace-spans / all-spans) are being removed (iii-hq/iii#2088): they serialized every coalesce window and forced this frontend to re-implement list semantics client-side (root-wins merge, tag backfill, dropped-frame self-heal). All three surfaces now ride the coalesced {trace_ids} tick of the trace trigger the timeline strip already used, and re-run their own seeded, filtered queries (notify-then-query): - list: tick -> debounced invalidate of traces/traceGroups/ traceGroupMembers — the append cache, tag patching and backfill machinery disappear, since a refetch always carries tags and cannot drift from the server's filter semantics - detail: silent reload of the open trace when its id is in a tick, one request in flight with a trailing rerun - masthead strip: debounced re-seed (REPLACE semantics, same read as the initial seed) Pause, tab-hidden, reconnect-reseed and hover-hold behavior are unchanged. Validated live against an engine without the streams: ticks delivered to all three subscribers, list refetches carrying the new traces, zero traffic while idle. Claude-Session: https://claude.ai/code/session_01LoPzhwFhAzxsrFnRqEEga6
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skill-check — worker0 verified, 69 skipped (no docs/).
Four for four. Nicely done. |
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Ref: MOT-4540 · Engine counterpart: iii-hq/iii#2088
The engine's devtools span streams (
iii:devtools:trace-rows/trace-spans/all-spans) are removed by iii-hq/iii#2088 — they serialized every 300ms window and forced this frontend to re-implement list semantics client-side (root-wins merge, tag backfill, dropped-frame self-heal). All three trace surfaces now ride the coalesced{trace_ids}tick of thetracetrigger the timeline strip already used, and re-run their own seeded, filtered queries (notify-then-query):traces/traceGroups/traceGroupMembers; the append cache, tag patching and backfill machinery disappear (a refetch always carries tags and cannot drift from the server's filter semantics)Pause, tab-hidden, reconnect-reseed and hover-hold behavior are unchanged.
mergeDetailSpanand the stream extractors go away with their tests; the activity feed moves tolib/traces-activity.ts.Validated live against an engine running iii-hq/iii#2088 (streams gone): ticks delivered to all three subscribers, list refetches observed carrying the new traces (
total/first-row advancing per tick), zero requests while idle. Web suite: 1629 tests green; tsc + biome clean on touched files.Deploy order: this must ship before (or with) iii-hq/iii#2088 — a console running the old stream subscriptions gets no live trace updates against an engine without the streams (list still seeds on load/reconnect; nothing breaks hard).
https://claude.ai/code/session_01LoPzhwFhAzxsrFnRqEEga6
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