harness-engineering

原文涵盖的主题

• Harness Engineering
• When to Use
• Owner's architecture principles (always-on)
• Procedure
• Pitfalls

Harnesses (cron-run operational scripts, drift checkers, watchdogs, gated data pipelines around a repo or agent system) are engineered products, not scratch scripts. This skill covers how to review, restructure, and design them to this owner's standards. "review / 重构 / 工程化 harness / helper scripts"、单文件脚本超长、检查器增殖 designing a new harness home, consolidating checkers, deleting zombie dirs deciding where a harness subsystem belongs 1. Self-containment: every repo/system owns its harness. Never extract a repo's harness dependency into another repo or a shared library. 2. Reuse boundary: within one git repo, extract common modules and maximize reuse; across repos, zero dependencies — a similar feature gets a copy in each repo (expect little real similarity: each harness is purpose-designed). 3. Engineering standard: SOLID, real abstraction and modularity; functional style — less code for the same expression, data structures chosen for performance. Immutability is NOT required. 4. No checks for checks' sake: every check must bind to an owner DECISION ("this finding triggers which action?"). No defensive validation written out of caution. Git is the byte layer, declaration files are the in

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