removing aux funcs for benchmarking

Leftover functions I was using the benchmark and time CLI calls

src/infra/cli-timing.ts

@@ -1,88 +0,0 @@
-import { isTruthyEnvValue } from "./env.js";
-
-type CliTimingEntry = {
-  label: string;
-  ms: number;
-};
-
-type CliTimingPayload = {
-  type: "clawdbot.cli.timing";
-  pid: number;
-  entries: CliTimingEntry[];
-  extra?: Record<string, unknown> | null;
-};
-
-const enabled = isTruthyEnvValue(process.env.CLAWDBOT_CLI_TIMING);
-let emitted = false;
-let disabled = false;
-
-const startNs = (() => {
-  if (!enabled) return 0n;
-  const envStart = process.env.CLAWDBOT_CLI_START_NS;
-  if (envStart) {
-    try {
-      return BigInt(envStart);
-    } catch {
-      // ignore
-    }
-  }
-  const now = process.hrtime.bigint();
-  process.env.CLAWDBOT_CLI_START_NS = String(now);
-  return now;
-})();
-
-const marks: Array<{ label: string; ns: bigint }> = [];
-
-const toMs = (ns: bigint) => Number(ns) / 1_000_000;
-
-const buildEntries = (endNs: bigint): CliTimingEntry[] => {
-  const entries: CliTimingEntry[] = [{ label: "start", ms: 0 }];
-  for (const mark of marks) {
-    entries.push({ label: mark.label, ms: toMs(mark.ns - startNs) });
-  }
-  entries.push({ label: "end", ms: toMs(endNs - startNs) });
-  return entries;
-};
-
-const emitTiming = (extra?: Record<string, unknown> | null) => {
-  if (!enabled || emitted || disabled) return;
-  emitted = true;
-  const endNs = process.hrtime.bigint();
-  const payload: CliTimingPayload = {
-    type: "clawdbot.cli.timing",
-    pid: process.pid,
-    entries: buildEntries(endNs),
-    extra: extra ?? null,
-  };
-  try {
-    process.stderr.write(`${JSON.stringify(payload)}\n`);
-  } catch {
-    // ignore timing failures
-  }
-};
-
-if (enabled) {
-  process.once("exit", () => {
-    emitTiming({ exitCode: process.exitCode ?? 0 });
-  });
-}
-
-export function getCliTiming(): {
-  mark: (label: string) => void;
-  emit: (extra?: Record<string, unknown> | null) => void;
-} | null {
-  if (!enabled || disabled) return null;
-  return {
-    mark: (label: string) => {
-      if (!enabled || disabled) return;
-      marks.push({ label, ns: process.hrtime.bigint() });
-    },
-    emit: (extra?: Record<string, unknown> | null) => {
-      emitTiming(extra);
-    },
-  };
-}
-
-export function disableCliTiming(): void {
-  disabled = true;
-}