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Convention Over Hallucination: Harness Engineering for AI-Powered...

Talkat RubyConf 2026 · 2026-07-14..07-16· [ai-assisted-development, ruby-on-rails]
slides:none on file

Claims that making AI output trustworthy by default requires a harness with four pillars: instruct (shared architecture docs and a feature memory using the mealas plugin and a Milo-style repo with ~50,000 stars), constraint (RuboCop-style cops turned into actionable lint messages), workflow (a Compound Engineering plugin encoding skills and solution folders), and verification (agent-driven end-to-end browser checks). Dropped into a 7-year-old codebase, the RuboCop harness requires grandfathering, CI hard-fails on convention breaks, and constraints prove the highest-leverage investment after months of iteration.

AI-written summary · about

  1. 0:00Introduction
  2. 3:57AI code generation journey
  3. 6:05Convention over configuration
  4. 9:38Enforcing conventions
  5. 13:34Workflow automation
  6. 15:41Verification agents
  7. 17:28Shift to system design
  8. 19:39Actionable steps
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