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fix: remove duplicate system prompt in CleanContextRunner #84

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fix: remove duplicate system prompt in CleanContextRunner #84

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10 changes: 3 additions & 7 deletions src/utils/clean-context-runner.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -439,12 +439,9 @@ export class CleanContextRunner {

// Phase 2: Embedded agent run (LLM call + tool calls)
const agentStartMs = Date.now();
// extraSystemPrompt: fallback for openclaw < 2026.4.7 which does not support
// config.agents.defaults.systemPromptOverride. On newer versions the
// override takes precedence and this becomes a no-op append.
const effectiveSystemPrompt =
params.systemPrompt ||
"You are a precise data extraction and generation assistant. Follow the user instructions exactly. Respond only with the requested output format.";
// System prompt is fully handled via config.agents.defaults.systemPromptOverride.
// Do NOT pass extraSystemPrompt — it would cause the same prompt to appear
// twice in the final system message (once from override, once appended).
const result = await runEmbeddedPiAgent({
sessionId,
sessionFile,
Expand All @@ -460,7 +457,6 @@ export class CleanContextRunner {
// Instead rely on cleanConfig.tools.allow to restrict the tool set
// to a minimal read-only tool (when enableTools=false).
disableTools: false,
extraSystemPrompt: effectiveSystemPrompt,
streamParams: {
maxTokens: params.maxTokens,
},
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