Function settle

packages/ai-opencode/src/process/sandbox-server.ts:72–77

(fn: () => void)

    // (a plain `let` gets flow-narrowed to a literal and trips lint).
    const state = { settled: false }
    const settle = (fn: () => void): void => {
      if (state.settled) return
      state.settled = true
      clearTimeout(timer)
      fn()
    }
    const diagnostics = (): string =>
      [stdout, stderr]
        .map((s) => s.trim())