feat(merope/seerr): switch to SeerrNG

hosts/nixos/merope/services/media/jellyseerr.nix

@@ -1,6 +1,30 @@
-{config, ...}: {
+{config, pkgs, ...}: let
+  seerrng = pkgs.seerr.overrideAttrs (finalAttrs: previousAttrs: {
+    pname = "seerrng";
+    version = "3.12.3";
+    src = pkgs.fetchFromGitHub {
+      owner = "snapetech";
+      repo = "seerrng";
+      tag = "v${finalAttrs.version}";
+      hash = "sha256-sX4V/9OXrwKckd5RMHvJrkoSpehtHEEHYNg267oBzVk=";
+    };
+    pnpmDeps = pkgs.fetchPnpmDeps {
+      inherit (finalAttrs) pname version src;
+      pnpm = pkgs.pnpm_10.override {nodejs-slim = pkgs.nodejs-slim_22;};
+      fetcherVersion = 3;
+      hash = "sha256-xd+FrZDzUA/jLkWRrlL6K9r85/nNkYDR4jF/pObXomo=";
+    };
+    meta =
+      previousAttrs.meta
+      // {
+        description = "Seerr fork with music, ebook, and audiobook support";
+        homepage = "https://github.com/snapetech/seerrng";
+      };
+  });
+in {
   services.jellyseerr = {
     enable = true;
+    package = seerrng;
   };
 
   services.nginx.virtualHosts."requests.m7.rs" = {