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feat(agent): let behaviors configure the default checkpoint summarizer - #241
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A behavior's checkpoint map now carries the model, temperature and input budgets the default summarizers read, so per-agent compaction fits in a trait.
skhaz
approved these changes
Nov 4, 2026
skhaz
approved these changes
Nov 4, 2026
Merged
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Only six keys crossed from a behavior's
checkpointmap intoagent_options.checkpoint, so a behavior could not set the default summarizer's model or temperature, though a custom binding received them. This addsmodel,temperature,max_tool_result_chars,max_conversation_chars,max_tool_results,max_tool_results_charsandmax_row_chars: the options the session and dataflow summarizers read. Both hosts already pass the merged options to their function fallback.These keys come only from a behavior with no checkpoint handler, which configures the default summarizer. A behavior with its own handler keeps them local to its binding. Explicit
agent_options.checkpointstill wins over a trait, and keys outside the list stay out. The README has a short example of per-agent compaction in a trait.Tests
New compiler and runtime cases failed on unmodified code, including two differently configured bindings with fallback. agent 629 pass, 4 skipped, lint clean. No existing assertion changed.