feat(openclaw): add recallInjectionPosition config to preserve prompt cache#710
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nicoloboschi merged 2 commits intomainfrom Mar 26, 2026
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… cache Add configurable injection position for recalled memories to avoid breaking prefix-based prompt caching (Anthropic/Google) when agents have large static system prompts. Options: 'prepend' (default, current behavior), 'append' (end of system prompt, preserves cache), 'user' (before user message). Closes #703
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Add missing config options to the OpenClaw docs: recallTopK, recallTypes, recallContextTurns, recallMaxQueryChars, recallPromptPreamble, recallInjectionPosition, recallRoles, retainEveryNTurns, retainOverlapTurns, and debug.
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Summary
recallInjectionPositionconfig option to control where recalled memories are injected in the promptprepend(default, unchanged behavior),append(preserves prefix cache),user(inject before user message)Closes #703
Test plan
recallInjectionPosition: "append"returns{ appendSystemContext }recallInjectionPosition: "user"returns{ prependContext }appendon Anthropic/Google providers