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Putting an End to “Isn’t this the Same Root Cause as That Project Six Months Ago? Why Didn’t You Prevent It?” — Reusable Workflows …

TalkinJapaneseat DroidKaigi 2026 · 2026-09-01..09-03· [devops-and-delivery, ai-assisted-development]
links:none on file
slides:none on file

A 15-repo Android team built a single Markdown "common Android issue" catalog and used GitHub Actions Reusable Workflows plus Copilot to distribute it, but found engineers didn’t add entries. They switched to an automated pipeline: Claude runs in GitHub Actions to analyze PR diffs, detect cross-project common issues, generate structured catalog entries and auto-PR them; after review those entries are propagated via Reusable Workflows and referenced by Copilot code reviews, keeping shared safeguards up to date across projects.

AI-written summary · about

  1. 0:00Introduction
  2. 3:05Structural causes of failures
  3. 5:36Guardrails for recurrence
  4. 7:57How reusable workflows work
  5. 11:24Implementation notes
  6. 16:08Copilot instructions
  7. 20:31Knowledge sharing failures
  8. 24:05AI-driven failure files
  9. 30:19Bloating in files
  10. 33:36Outcomes and summary
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