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feat(cli): make the 250ms top-level tool-call queue delay configurable (HAPPY_TOOL_CALL_DELAY_MS) #1753

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feat(cli): make the 250ms top-level tool-call queue delay configurable (HAPPY_TOOL_CALL_DELAY_MS) #1753

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23 changes: 17 additions & 6 deletions packages/happy-cli/src/claude/claudeRemoteLauncher.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,13 @@ import { launchFailureMessage } from "./utils/launchFailureMessage";
import { cleanupStdinAfterInk } from "@/utils/terminalStdinCleanup";
import type { MessageParam, ContentBlockParam } from '@anthropic-ai/sdk/resources';

const TOOL_CALL_DELAY_MS = (() => {
const raw = process.env.HAPPY_TOOL_CALL_DELAY_MS;
if (raw === undefined || raw === '') return 250;
const n = Number(raw);
return Number.isFinite(n) && n >= 0 ? n : 250;
})();

interface PermissionsField {
date: number;
result: 'approved' | 'denied';
Expand Down Expand Up @@ -245,12 +252,16 @@ export async function claudeRemoteLauncher(session: Session): Promise<'switch' |
const isSidechain = assistantMsg.parent_tool_use_id !== undefined;

if (!isSidechain) {
// Top-level tool call - queue with delay
messageQueue.enqueue(logMessage, {
delay: 250,
toolCallIds
});
return; // Don't queue again below
// Top-level tool call - queue with delay so a fast tool result
// can be released together with its tool_use. Configurable via
// HAPPY_TOOL_CALL_DELAY_MS (default 250; 0 = send immediately).
if (TOOL_CALL_DELAY_MS > 0) {
messageQueue.enqueue(logMessage, {
delay: TOOL_CALL_DELAY_MS,
toolCallIds
});
return; // Don't queue again below
}
}
}
}
Expand Down