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Remove heartbeat from exec-based Claude execution #109

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Remove heartbeat from exec-based Claude execution #109

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7 changes: 1 addition & 6 deletions Wisp/ViewModels/ChatViewModel.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -776,12 +776,7 @@ final class ChatViewModel {
}
claudeCmd += " '\(escapedPrompt)'"

// Wrap claude with a heartbeat so the sprite stays alive while Claude
// is waiting for an API response and Wisp is detached. The heartbeat
// writes a byte to stderr every 20s — enough to count as output without
// interfering with the NDJSON stdout stream. The trap ensures cleanup.
let wrappedClaudeCmd = "{ (while true; do sleep 20; printf . >&2; done) & HBEAT=$!; trap \"kill $HBEAT 2>/dev/null\" EXIT; \(claudeCmd); kill $HBEAT 2>/dev/null; }"
commandParts.append(wrappedClaudeCmd)
commandParts.append(claudeCmd)
let fullCommand = commandParts.joined(separator: " && ")

receivedSystemEvent = false
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