Week 21 of 2026

Table of Contents

1. Summary

137 commits across May 19-23. Three major threads: visual consistency (diagrams + design system), bot governance (bot contract), and flight tracking narrative restructure.

2. Diagrams and Visual System

  • Standardized all 85+ dot files to canonical Tailwind pastel palette
  • Created 36 new diagrams across 16 research pages
  • Converted 12 mermaid blocks to graphviz dot (agentic-systems-q4-2024)
  • Published diagram style guide, dataviz style guide, design system
  • Greyscale 728x90 banners site-wide (22 pages)
  • Matplotlib example plots for dataviz guide (bar, line, scatter, heatmap, gnuplot)

3. Design System

  • Wordmark CSS component (wal.sh with accent dot)
  • Sticky full-width frosted header
  • Eyebrow breadcrumbs (monospace uppercase with blue dot)
  • File modification date in breadcrumb line
  • Section numbering enabled globally
  • Section dividers between h2 headings
  • ToC rendered as white card
  • Heading anchor # with copy-to-clipboard
  • Color swatches JS for inline hex codes
  • Tracking pixel (t.gif) for engagement events

4. Bot Governance

  • Published bot contract page (Walsh-Research v2026.1)
  • UA: Mozilla/5.0 (compatible; Walsh-Research/1.0; +https://wal.sh/bot/)
  • Machine-readable blocklist at /.well-known/walsh-research/blocklist.json
  • JSON Schema for blocklist validation
  • Compliance spec with pre-request gate and backoff diagrams
  • Bot attestation research (four-tier framework from access-log study)
  • Dogfood test page blocked by robots.txt
  • /blocklist skill for adding domains
  • Amazonbot Crawl-delay: 60, Bytespider: 30 in robots.txt

5. Flight Tracking

  • Restructured as thesis → contracts → case studies
  • Split case studies into includes/ (composable org pattern)
  • Added January winter storm and March 16 peak stubs
  • ATCSCC advisory dataset expanded to 503 days (Jan 2025 — May 2026)
  • Gnuplot rolling 30-day mean chart with anomaly detection
  • FAA ground stop cascade timeline (167 advisories on May 19)
  • Removed fixtures-first section (mocking isn't novel)
  • Removed web log signals section (moved to private gist)

6. Events

  • GopherCon 2026 Seattle (70 sessions, agentic Go workshops)
  • Tech Week Boston 2026 (a16z AI+Infra track)
  • Semantic Layer Summit 2026
  • Paris TypeScript #47 with SVG diagrams

7. Research

  • Agent memory systems (JITIR vs field)
  • EDA + actor model 2026 update (Pekko, Durable Objects, Orleans)
  • GraphQL enriched (413 → 1578 lines)
  • Graphviz deep dive (DOT grammar, wisent parser, ob-dot)
  • Org-mode include patterns documented
  • 289 synthetic placeholder beads cleaned up

8. Metrics

Metric Value
Commits 137
New diagrams 36
Beads closed 306
Smoke test 57 pass, 0 fail
Pages with dates all
Bot policy v2026.1