home: jujutsu: explicitly create 'conf.d'

This is to serve as a reminder of _how_ to add a local configuration
file.

flake.lock

@@ -73,11 +73,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1749398372,
-        "narHash": "sha256-tYBdgS56eXYaWVW3fsnPQ/nFlgWi/Z2Ymhyu21zVM98=",
+        "lastModified": 1743550720,
+        "narHash": "sha256-hIshGgKZCgWh6AYJpJmRgFdR3WUbkY04o82X05xqQiY=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "9305fe4e5c2a6fcf5ba6a3ff155720fbe4076569",
+        "rev": "c621e8422220273271f52058f618c94e405bb0f5",
         "type": "github"
       },
       "original": {
@@ -159,11 +159,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1749400020,
-        "narHash": "sha256-0nTmHO8AYgRYk5v6zw5oZ3x9nh+feb+Isn7WNe318M0=",
+        "lastModified": 1747978958,
+        "narHash": "sha256-pQQnbxWpY3IiZqgelXHIe/OAE/Yv4NSQq7fch7M6nXQ=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "2835e8ba0ad99ba86d4a5e497a962ec9fa35e48f",
+        "rev": "7419250703fd5eb50e99bdfb07a86671939103ea",
         "type": "github"
       },
       "original": {
@@ -175,11 +175,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1749285348,
-        "narHash": "sha256-frdhQvPbmDYaScPFiCnfdh3B/Vh81Uuoo0w5TkWmmjU=",
+        "lastModified": 1747744144,
+        "narHash": "sha256-W7lqHp0qZiENCDwUZ5EX/lNhxjMdNapFnbErcbnP11Q=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "3e3afe5174c561dee0df6f2c2b2236990146329f",
+        "rev": "2795c506fe8fb7b03c36ccb51f75b6df0ab2553f",
         "type": "github"
       },
       "original": {

modules/home/direnv/lib/python.sh

@@ -46,7 +46,7 @@ layout_uv() {
     fi
 
     # create venv if it doesn't exist
-    uv venv -q --allow-existing
+    uv venv -q
 
     export VIRTUAL_ENV
     export UV_ACTIVE=1