Developer Uses Architecture Decision Records to Stop AI Agent Reverting Code Choices

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A software developer running a fully autonomous AI coding agent built on Claude Code found that the agent repeatedly reversed deliberate, non-standard design decisions, treating them as bugs to fix. Because the agent has no memory between sessions, it would rediscover the same apparent flaws every few weeks and attempt to correct them, reintroducing previously resolved issues. Attempts to prevent this by listing rules in an instruction file proved ineffective, as the agent ignored or worked around context-free commands as the list grew. The developer's solution was to wire Architecture Decision Records (ADRs) — short markdown files documenting the reasoning behind each design choice — directly into the agent's context. After six months with this setup, the agent has not re-litigated a single settled decision.

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