- In short
- Additive configuration is the practice of explicitly adding a constraint, preference, or piece of background to standing instructions or Memory when Claude has not automatically captured a fact that matters, rather than re-supplying it every session. Configuration maintenance is additive as well as corrective: gaps get filled in, not just stale entries removed. If a fact keeps needing to be re-stated, that is a signal it belongs in configuration, and the choice between instructions and Memory follows the same instruction-versus-fact distinction as initial setup.
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