Initial commit: Arb Pulse monolith with CI and optional Fly deploy.

Real-time BTC cross-exchange arbitrage detection (Kraken, Bybit, OKX, Binance)
with React dashboard, GitHub Actions CI, and documented Fly.io deploy workflow.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/run-tests.mjs

@@ -0,0 +1,32 @@
+import { spawnSync } from "node:child_process";
+import { readdirSync, statSync } from "node:fs";
+import { join } from "node:path";
+
+/** @param {string} dir */
+function collectTestFiles(dir) {
+  /** @type {string[]} */
+  const files = [];
+  for (const name of readdirSync(dir)) {
+    const path = join(dir, name);
+    if (statSync(path).isDirectory()) {
+      files.push(...collectTestFiles(path));
+    } else if (name.endsWith(".test.ts")) {
+      files.push(path);
+    }
+  }
+  return files;
+}
+
+const files = collectTestFiles("src");
+if (files.length === 0) {
+  console.error("No test files found under src/");
+  process.exit(1);
+}
+
+const result = spawnSync(
+  process.execPath,
+  ["--import", "tsx", "--test", ...files],
+  { stdio: "inherit" },
+);
+
+process.exit(result.status ?? 1);