flake: add go and yt-dlp for refactor

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1751498133,
+        "lastModified": 1768875095,
-        "narHash": "sha256-QWJ+NQbMU+NcU2xiyo7SNox1fAuwksGlQhpzBl76g1I=",
+        "narHash": "sha256-dYP3DjiL7oIiiq3H65tGIXXIT1Waiadmv93JS0sS+8A=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "d55716bb59b91ae9d1ced4b1ccdea7a442ecbfdb",
+        "rev": "ed142ab1b3a092c4d149245d0c4126a5d7ea00b0",
         "type": "github"
       },
       "original": {

flake.nix

@@ -25,14 +25,26 @@
                     pkgs.python314
                     pkgs.virtualenv
                     pkgs.ffmpeg_6
+                    pkgs.deno
+                    pkgs.go
+                    pkgs.yt-dlp
                 ];
                 shellHook = ''
+                    if [ -f .env ]; then
+                        set -a
+                        source .env
+                        set +a
+                    fi
+
                     if [ ! -d .venv ]; then
                         echo "Creating Python virtual environment in .venv"
                         python3 -m venv .venv
                     fi
+
+                    if compgen -G "app/*.py" > /dev/null; then
                         .venv/bin/pip install -r ./app/requirements.txt
                         source .venv/bin/activate
+                    fi
                 '';
             };
         });