Fletch fletchux

## 0035-harness-modernization.md

      
        
          
            
              
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                fletchux
                / 0035-harness-modernization.md
            
            
              Created
              April 4, 2026 17:21
            
              
                Harness Modernization Spec — 12 primitives from Claude Code leak + Anthropic harness design patterns
              
          
        
      
        

      
      
    0035: Harness Modernization Spec

Status: DRAFT — awaiting additional inputs before execution
Created: 2026-04-04
Updated: 2026-04-04 (added 12 primitives from Claude Code leak analysis)
Sources:

Anthropic engineering article: "Harness Design for Long-Running Apps"
Nate's Claude Code leak analysis (YouTube, 12 primitives in 3 tiers)
Analysis of current /shazam, /extend, /fixit, /lonchit, and swarm workflows