chore(test): add vitest hotspot reporter script

package.json

@@ -153,6 +153,7 @@
     "test:live": "OPENCLAW_LIVE_TEST=1 CLAWDBOT_LIVE_TEST=1 vitest run --config vitest.live.config.ts",
     "test:macmini": "OPENCLAW_TEST_VM_FORKS=0 OPENCLAW_TEST_PROFILE=serial node scripts/test-parallel.mjs",
     "test:perf:budget": "node scripts/test-perf-budget.mjs",
+    "test:perf:hotspots": "node scripts/test-hotspots.mjs",
     "test:sectriage": "pnpm exec vitest run --config vitest.gateway.config.ts && vitest run --config vitest.unit.config.ts --exclude src/daemon/launchd.integration.test.ts --exclude src/process/exec.test.ts",
     "test:ui": "pnpm lint:ui:no-raw-window-open && pnpm --dir ui test",
     "test:voicecall:closedloop": "vitest run extensions/voice-call/src/manager.test.ts extensions/voice-call/src/media-stream.test.ts src/plugins/voice-call.plugin.test.ts --maxWorkers=1",

scripts/test-hotspots.mjs

@@ -0,0 +1,83 @@
+import { spawnSync } from "node:child_process";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+
+function parseArgs(argv) {
+  const args = {
+    config: "vitest.unit.config.ts",
+    limit: 20,
+    reportPath: "",
+  };
+  for (let i = 0; i < argv.length; i += 1) {
+    const arg = argv[i];
+    if (arg === "--config") {
+      args.config = argv[i + 1] ?? args.config;
+      i += 1;
+      continue;
+    }
+    if (arg === "--limit") {
+      const parsed = Number.parseInt(argv[i + 1] ?? "", 10);
+      if (Number.isFinite(parsed) && parsed > 0) {
+        args.limit = parsed;
+      }
+      i += 1;
+      continue;
+    }
+    if (arg === "--report") {
+      args.reportPath = argv[i + 1] ?? "";
+      i += 1;
+      continue;
+    }
+  }
+  return args;
+}
+
+function formatMs(value) {
+  return `${value.toFixed(1)}ms`;
+}
+
+const opts = parseArgs(process.argv.slice(2));
+const reportPath =
+  opts.reportPath || path.join(os.tmpdir(), `openclaw-vitest-hotspots-${Date.now()}.json`);
+
+if (!(opts.reportPath && fs.existsSync(reportPath))) {
+  const run = spawnSync(
+    "pnpm",
+    ["vitest", "run", "--config", opts.config, "--reporter=json", "--outputFile", reportPath],
+    {
+      stdio: "inherit",
+      env: process.env,
+    },
+  );
+
+  if (run.status !== 0) {
+    process.exit(run.status ?? 1);
+  }
+}
+
+const report = JSON.parse(fs.readFileSync(reportPath, "utf8"));
+const fileResults = (report.testResults ?? [])
+  .map((result) => {
+    const start = typeof result.startTime === "number" ? result.startTime : 0;
+    const end = typeof result.endTime === "number" ? result.endTime : 0;
+    const testCount = Array.isArray(result.assertionResults) ? result.assertionResults.length : 0;
+    return {
+      file: typeof result.name === "string" ? result.name : "unknown",
+      durationMs: Math.max(0, end - start),
+      testCount,
+    };
+  })
+  .toSorted((a, b) => b.durationMs - a.durationMs);
+
+const top = fileResults.slice(0, opts.limit);
+const totalDurationMs = fileResults.reduce((sum, item) => sum + item.durationMs, 0);
+console.log(
+  `\n[test-hotspots] top ${String(top.length)} by file duration (${formatMs(totalDurationMs)} total)`,
+);
+for (const [index, item] of top.entries()) {
+  const label = String(index + 1).padStart(2, " ");
+  const duration = formatMs(item.durationMs).padStart(10, " ");
+  const tests = String(item.testCount).padStart(4, " ");
+  console.log(`${label}. ${duration} | tests=${tests} | ${item.file}`);
+}