Context pruning strategies — CCA-F Exam Prep

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COMPARISON Split screen. Left: a messy desk with papers piled everywhere, some falling off the edge. Label: 'No pruning.' Right: a clean desk with a small organized stack, a filing cabinet behind it. Label: 'Pruned.' Both desks have the same amount of work to reference.

Split screen. Left: a messy desk with papers piled everywhere, some falling off the edge. Label: 'No pruning.' Right: a clean desk with a small organized stack, a filing cabinet behind it. Label: 'Pruned.' Both desks have the same amount of work to reference.

Two customer support agents. Same product. Same context window. Wildly different results.

Agent A keeps every turn verbatim. By turn 30, context is 90K tokens. Slow, expensive, and the model starts contradicting itself -- it can't find the signal buried in 30 turns of noise.