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A common failure mode in AI coding is over-broad rewrites: a small requested change causes unrelated edits, broken imports, or hidden regressions.
Why It Happens
When prompts are vague and context is wide, assistants optimize for completion, not minimal change. That increases the chance of broad edits outside your intended scope.
Safer Workflow
- Ask for diff-only output and minimal changed lines.
- Declare protected files/modules that must not be modified.
- Scope each prompt to one unit of change, not a full module rewrite.
- Run tests and inspect diffs before accepting any large patch.
Lock Scope Before You Prompt
Spec-first prompts reduce rewrite drift. BrainGrid helps define boundaries and acceptance criteria up front.