fix(website): reframe streaming claims as capability-anchored after S5 cross-validation#129
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* docs(plans): B2 follow-up — homepage interaction wedge refresh plan Six-task plan: aggregator script + milestone summary, ComparisonTable rows + labels, tests, /bench Interactions section, repo-memory, gates + PR (no auto-merge). Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * chore(bench): aggregator for sort/filter milestone summary * fix(website): ComparisonTable adds 3 interaction rows + trail-marker label refresh * test(website): update ComparisonTable trail-marker regex assertions Three labels changed in the prior commit (AG Grid + TanStack + MUI X) to reflect the interaction wedge from PR #131. Regex assertions updated to match the new label phrasings: - AG Grid: "1.7× slower scroll, 3× slower interaction; row-height drift" - TanStack: "Headless; ~2× slower interaction (filter-metadata ties pretable)" - MUI X: "Scroll-p95 parity; 2× slower interaction" The pretable "Recommended path" assertion is unchanged. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * feat(website): /bench page Interactions section with sort + filter comparator data Replaces the placeholder paragraph that said "comparative interaction evidence is on the roadmap" with a real section paralleling the H1 scroll layout. Driven by the new aggregated milestone summary at status/milestones/2026-05-10-b2-sort-filter-summary.json (built from PR #131's per-run summaries). New loader (loadInteractionSummary) + verdict helper (interactionVerdictFor) mirror the existing scroll-side patterns. The verdict helper computes per-script ratios against the fastest adapter and annotates the TanStack filter-metadata tie inline ("2.1–2.6× slower (filter-metadata ties pretable)"). Per-adapter latency table + two prose paragraphs match the H1 section's structure for visual consistency. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * docs(research): repo-memory entry for homepage interaction wedge refresh Documents the three editorial surfaces touched (ComparisonTable rows + trail-markers, /bench Interactions section, aggregated summary file), the deliberate non-goals (ReceiptsBand owned by PR #129, n=20 follow-up deferred), and the remaining open threads from B2. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * chore: prettier-format milestone JSON + plan/spec docs Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>
…5 cross-validation PR #128's S5/S7 cross-validation matrix surfaced a finding: AG Grid Community matches pretable on every measured streaming numeric (frame p95, 25k/sec envelope, visible-row drift). The homepage's stub-era "purpose-built streaming pipeline" framing — and the implication that pretable is uniquely fast at streaming — is no longer supportable on hypothesis-scale numerics. The honest wedge is package surface: pretable ships the SSE → partial-JSON → batcher → applyTransaction pipeline as a single import; AG Grid expects you to wire it yourself. Three editorial edits: - ComparisonTable.tsx: streaming row renamed from "purpose-built streaming pipeline" to "streaming pipeline (SSE → partial JSON → batcher → applyTransaction)" — same yes/n/a/n/a/n/a shape, sharper capability claim. Header docblock updated to cite the S5/S7 cross-validation milestone alongside the existing B2 sources. - ReceiptsBand.tsx: replaced the "25k/s · max sustained update rate" hero stat (no longer pretable-unique) with "OpenAI · Anthropic · SSE · streaming sources, one import". Added a `compact: true` flag to the Stat interface so the longer label renders at 20–24 px instead of 44–56 px, preserving the four-cell grid without overflowing the hero font scale. - FeatureGrid.tsx: Stream-aware card — dropped "sustained from 100 to 25,000 updates/sec" tail; rewrote the description around the pipeline that ships as one import. Test added: ReceiptsBand.test.tsx regression-guards the new capability anchor (`streaming sources` + `openai`). Repo-memory entry appended (B2 follow-up #7); MEMORY.md index updated; project_b2_followups.md regenerated to reflect everything resolved except item #5 (open comparator interaction scripts). No source/package changes outside apps/website + the docs entry; all 190+ website tests pass. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Summary
PR #128's S5/S7 cross-validation matrix found that AG Grid Community matches pretable on every measured streaming numeric (frame p95 9.2 ms each, 25k/sec envelope each, AG Grid drift 0 vs pretable drift 1). The homepage's stub-era streaming claims — including the "25k/s · max sustained update rate" hero receipt and the vague "purpose-built streaming pipeline" comparison row — are no longer supportable as comparative numerics. This PR moves the streaming wedge to package surface: pretable ships the SSE → partial-JSON → batcher → applyTransaction pipeline as a single import; AG Grid expects you to wire that yourself.
No auto-merge. Editorial / prose changes — please review the wording before merging.
What changed
Prose draft for review
ComparisonTable streaming row
`streaming pipeline (SSE → partial JSON → batcher → applyTransaction)`: `yes` / `n/a` / `n/a` / `n/a`
ReceiptsBand fourth stat
`OpenAI · Anthropic · SSE` (small font, compact rendering) — caption `streaming sources, one import`.
FeatureGrid Stream-aware card
(Trail-marker label `Advanced — bring your own SSE` retained — pretable ships the post-SSE pipeline; the SSE source itself is consumer-supplied.)
What's NOT in this PR
Test plan
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