Initial InfraPulse scaffold

frontend/tailwind.config.ts

@@ -0,0 +1,19 @@
+import type { Config } from "tailwindcss";
+
+export default {
+  content: ["./index.html", "./src/**/*.{ts,tsx}"],
+  darkMode: "class",
+  theme: {
+    extend: {
+      colors: {
+        ink: "#0f172a",
+        panel: "#111827",
+        line: "#273244",
+        pulse: "#14b8a6",
+        signal: "#f59e0b",
+        danger: "#ef4444",
+      },
+    },
+  },
+  plugins: [],
+} satisfies Config;