Add Hyprland skill and configuration files; enhance installation process with GPU detection and SDDM support

src/gpu.ts

@@ -0,0 +1,42 @@
+import { execFileSync } from "node:child_process";
+
+export type GpuVendor = "nvidia" | "amd" | "intel";
+
+// ponytail: card-generation nuance (e.g. Nouveau for pre-Turing NVIDIA cards) isn't
+// handled — add if an unsupported-card report comes in.
+const DRIVER_PACKAGES: Record<GpuVendor, string[]> = {
+  nvidia: ["nvidia-open-dkms", "nvidia-utils", "egl-wayland"],
+  amd: ["mesa", "vulkan-radeon", "libva-mesa-driver"],
+  intel: ["mesa", "vulkan-intel", "intel-media-driver"],
+};
+
+const VENDOR_PATTERNS: [RegExp, GpuVendor][] = [
+  [/nvidia/i, "nvidia"],
+  [/\b(amd|ati)\b/i, "amd"],
+  [/intel/i, "intel"],
+];
+
+export function detectGpuVendors(): GpuVendor[] {
+  let output: string;
+  try {
+    output = execFileSync("lspci", [], { encoding: "utf8" });
+  } catch {
+    return [];
+  }
+
+  const controllerLines = output
+    .split("\n")
+    .filter((line) => /VGA compatible controller|3D controller/i.test(line));
+
+  const found = new Set<GpuVendor>();
+  for (const line of controllerLines) {
+    for (const [pattern, vendor] of VENDOR_PATTERNS) {
+      if (pattern.test(line)) found.add(vendor);
+    }
+  }
+  return [...found];
+}
+
+export function driverPackagesFor(vendors: GpuVendor[]): string[] {
+  return vendors.flatMap((vendor) => DRIVER_PACKAGES[vendor]);
+}