/* Harbour execution timeline — direct port of the product code. */ const SECTION_MARKER_X = 18; const ITEM_MARKER_X = 42; const ITEM_MARKER_INDENT = 16; const MAX_NESTING_DEPTH = 3; const MARKER_TOP = 14; const SEGMENT_LENGTH = 120; const PIXELS_PER_SECOND = 110; const MIN_ANIMATION_DURATION_MS = 1400; const SAMPLE_PROJECTION = { turnId: "turn-42", status: "running", sections: [ { key: "intake", label: "Turn · 42 intake", description: "Request arrives. Harbour hydrates memory and fans out work to the fleet.", emptyMessage: "No inbound events yet.", items: [ { id: "req-1", kind: "turn", depth: 0, label: "request.received", supportingText: "refactor wsTransport error recovery + add replay tests", badges: ["user", "ws"], status: "running", timestamp: "2026-04-19T14:22:03-07:00", turnId: "turn-42", selected: false, detailItems: [ { label: "Route", value: "wsServer → OrchestrationEngine" }, { label: "Contract", value: "packages/contracts/src/ws.ts · typed request" }, ], expanded: false, }, { id: "hy-1", kind: "receipt", depth: 1, label: "memory.hydrated", supportingText: "3 blocks retrieved · saved 14.2k tokens", badges: ["hydrate"], status: "completed", timestamp: "2026-04-19T14:22:04-07:00", receiptId: "rcpt-hy-1", selected: false, detailItems: [ { label: "Blocks", value: "0x7a2f9c · 0x12b801 · 0xe9041c" }, { label: "Source", value: "prior checkpoint (turn · 41)" }, ], expanded: false, }, { id: "fan-1", kind: "receipt", depth: 1, label: "fanout → 3 agents", supportingText: "claude · codex · patch · opencode · verify", badges: ["parallel"], status: "running", timestamp: "2026-04-19T14:22:05-07:00", receiptId: "rcpt-fan-1", selected: false, detailItems: [ { label: "Worker", value: "DrainableWorker · provider.runtime.ingest" }, { label: "Parallelism", value: "3 providers, ordered commit on return" }, ], expanded: false, }, ], }, { key: "work", label: "Work · in-flight", description: "Three agents execute in parallel, each writing receipts to shared memory.", emptyMessage: "No active work.", items: [ { id: "claude-1", kind: "receipt", depth: 1, label: "claude · plan.drafted", supportingText: "7 steps · 2 risk flags", badges: ["plan"], status: "completed", timestamp: "2026-04-19T14:22:11-07:00", receiptId: "rcpt-claude-1", selected: true, detailItems: [ { label: "Block", value: "0x7a2f9c · plan/refactor" }, { label: "Reused", value: "retrieved + revised from prior ckpt" }, ], expanded: true, }, { id: "codex-1", kind: "receipt", depth: 1, label: "codex · patch.applied", supportingText: "4 files · 142 ++ / 38 --", badges: ["diff"], status: "running", timestamp: "2026-04-19T14:22:18-07:00", receiptId: "rcpt-codex-1", selected: false, detailItems: [ { label: "Block", value: "0xc3fd81 · diff/ordered-push" }, { label: "Write", value: "new block written to memory" }, ], expanded: false, }, { id: "opencode-1", kind: "receipt", depth: 1, label: "opencode · verify", supportingText: "unit 38 ✓ · integ 12 ✓ · snapshot 4 ✓", badges: ["tests"], status: "completed", timestamp: "2026-04-19T14:22:24-07:00", receiptId: "rcpt-opencode-1", selected: false, detailItems: [ { label: "Ran", value: "pnpm test · apps/server" }, { label: "Receipt", value: "RuntimeReceiptBus → verify.complete" }, ], expanded: false, }, ], }, { key: "emit", label: "Emit · quiesced", description: "Harbour seals the receipts, signs the block, and returns quiescence.", emptyMessage: "Waiting on agent completion.", items: [ { id: "seal-1", kind: "receipt", depth: 0, label: "receipts.signed", supportingText: "3 agents · 12 receipts · merkle 0xf1…c4b", badges: ["seal"], status: "completed", timestamp: "2026-04-19T14:22:26-07:00", receiptId: "rcpt-seal-1", selected: false, detailItems: [ { label: "Merkle root", value: "0xf1a29b…c4b9" }, { label: "Signed by", value: "CheckpointReactor · host=local" }, ], expanded: false, }, { id: "qui-1", kind: "summary", depth: 0, label: "quiesced", supportingText: "ready for turn · 43", badges: [], status: "completed", timestamp: "2026-04-19T14:22:26-07:00", selected: false, detailItems: [ { label: "Signal", value: "runtime.receipt · turn.quiesced" }, { label: "Projection", value: "orchestration.push → browser" }, ], expanded: false, }, ], }, ], }; function fmtTime(iso) { try { const d = new Date(iso); const time = new Intl.DateTimeFormat(undefined, { hour: "numeric", minute: "2-digit" }).format( d, ); const full = new Intl.DateTimeFormat(undefined, { month: "short", day: "numeric", hour: "numeric", minute: "2-digit", }).format(d); return { time, full }; } catch { return { time: iso, full: iso }; } } function buildSnakePath(points) { const first = points[0]; if (!first) return ""; let d = `M ${first.x} ${first.y}`; for (let i = 1; i < points.length; i++) { const prev = points[i - 1]; const curr = points[i]; if (!prev || !curr) continue; const dx = curr.x - prev.x; const dy = curr.y - prev.y; if (Math.abs(dx) < 0.5) { // vertical d += ` L ${curr.x} ${curr.y}`; } else { // snake: half vertical to midpoint, curve sideways, continue vertical const midY = prev.y + dy * 0.6; const curveR = 10; const cx1 = prev.x; const cy1 = midY - curveR * Math.sign(dx) * 0.2; const cx2 = curr.x; const cy2 = midY + curveR * Math.sign(dx) * 0.2; d += ` L ${prev.x} ${midY - 2}`; d += ` C ${cx1} ${midY + curveR}, ${cx2} ${midY - curveR}, ${curr.x} ${midY + 2}`; d += ` L ${curr.x} ${curr.y}`; } } return d; } function OrchestrationSection() { // Mutable projection state so rows can expand, collapse, and be selected. const [projection, setProjection] = React.useState(SAMPLE_PROJECTION); const onToggle = React.useCallback((entryId) => { setProjection((prev) => ({ ...prev, sections: prev.sections.map((s) => ({ ...s, items: s.items.map((it) => { const isTarget = it.id === entryId; if (!isTarget) return { ...it, selected: false }; const nextExpanded = !it.expanded; return { ...it, expanded: nextExpanded, selected: nextExpanded }; }), })), })); }, []); return (
§ Orchestration layer

One turn. Every agent.

A request arrives over WebSocket.{" "} OrchestrationEngine {" "} normalizes runtime events, queue‑backed workers drain commands and checkpoints, and{" "} RuntimeReceiptBus {" "} emits a typed receipt on quiescence. Click any row to inspect the receipt.

); } function HarbourExecutionTimeline({ projection, onToggle }) { const containerRef = React.useRef(null); const svgRef = React.useRef(null); const animPathRef = React.useRef(null); const gradRef = React.useRef(null); const [geom, setGeom] = React.useState({ d: "", width: 72, height: 200 }); const [pathLen, setPathLen] = React.useState(0); const gradId = React.useId().replace(/:/g, ""); React.useLayoutEffect(() => { const container = containerRef.current; if (!container) return; const measure = () => { const cRect = container.getBoundingClientRect(); const markers = container.querySelectorAll('[data-harbour-timeline-marker="true"]'); const points = Array.from(markers).map((m) => { const r = m.getBoundingClientRect(); return { id: m.dataset.markerId, x: (parseFloat(m.dataset.markerX) || 0) + 4, // center of 8px dot y: r.top - cRect.top + r.height / 2, }; }); if (!points.length) return; const d = buildSnakePath(points); const lastPoint = points[points.length - 1]; const height = Math.ceil((lastPoint && lastPoint.y) || 0) + 32; const width = Math.max( 72, Math.ceil(points.reduce((m, p) => Math.max(m, p.x), ITEM_MARKER_X) + 40), ); setGeom({ d, width, height }); }; measure(); const ro = new ResizeObserver(measure); ro.observe(container); container .querySelectorAll('[data-harbour-timeline-marker="true"]') .forEach((m) => ro.observe(m)); window.addEventListener("resize", measure); return () => { ro.disconnect(); window.removeEventListener("resize", measure); }; }, [projection]); React.useLayoutEffect(() => { if (!geom.d || !animPathRef.current) { setPathLen(0); return; } try { setPathLen(animPathRef.current.getTotalLength()); } catch { setPathLen(0); } }, [geom.d]); const dashArray = React.useMemo(() => { if (pathLen <= 0) return undefined; const tail = Math.max(pathLen - SEGMENT_LENGTH, SEGMENT_LENGTH + 1); return `${SEGMENT_LENGTH} ${tail}`; }, [pathLen]); React.useEffect(() => { if (pathLen <= 0) return; const path = animPathRef.current; const grad = gradRef.current; if (!path || !grad) return; const durationMs = Math.max((pathLen / PIXELS_PER_SECOND) * 1000, MIN_ANIMATION_DURATION_MS); const halfSeg = SEGMENT_LENGTH / 2; const travel = pathLen + SEGMENT_LENGTH; let raf = 0, start = 0; const step = (now) => { if (!start) start = now; const t = ((now - start) % durationMs) / durationMs; const cursor = t * travel - SEGMENT_LENGTH; path.style.strokeDashoffset = `${-cursor}`; const sampleAt = Math.min(Math.max(cursor + halfSeg, 0), pathLen); try { const pt = path.getPointAtLength(sampleAt); grad.setAttribute("gradientTransform", `translate(0 ${pt.y - halfSeg})`); } catch {} raf = requestAnimationFrame(step); }; raf = requestAnimationFrame(step); return () => cancelAnimationFrame(raf); }, [pathLen]); return (
Execution timeline
turn · 42
{geom.d ? ( ) : null}
{projection.sections.map((section) => ( ))}
); } function TimelineSection({ section, onToggle }) { return (
{section.items.length === 0 ? (
{section.emptyMessage}
) : ( section.items.map((entry) => ( )) )}
); } function TimelineEntry({ entry, onToggle }) { const markerX = ITEM_MARKER_X + Math.min(entry.depth, MAX_NESTING_DEPTH) * ITEM_MARKER_INDENT; const contentLeft = markerX + 20; const interactive = true; // every row is clickable for expand/collapse const dotCls = `ex-dot${entry.selected ? " selected" : entry.kind === "summary" ? " summary" : ""}`; const cardCls = `ex-card${entry.selected ? " selected" : ""}`; const Component = "button"; return (
); } function StatusChip({ status }) { const norm = status.toLowerCase(); return ( ); } function Stamp({ iso }) { const { time, full } = fmtTime(iso); return ( {time} ); } Object.assign(window, { OrchestrationSection });