The Agent That Trapped Itself: How Context Eviction and Deduplication Broke on a Go Project

Automated excerpt

Anyone who has spent even a little time working with LLM-based agents knows that when an autonomous agent starts working on code, its context balloons with every tool call. Prompt / Reasoning / Completion Structure Prompt (M): 8. 01 → 5. 51 (-31%) Reasoning (K): 76. 1 → 58. 2 (-24%) Completion (K): 62. 2 → 35. 8 (-42%) Completion / Reasoning Ratio: 0. 82 → 0. 65 (-20%) Reasoning / Prompt Ratio: 9. 28 → 11. 2 (+21%) Collapse of Verbosity (Completion/Reasoning): In September, the final response volume was almost equal to the reasoning volume.

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