feat: flake update

marksman and mise causing rebuild switch errors

.codex/config.toml

@@ -9,9 +9,12 @@ web_search = "live"
 
 notify = [
   "terminal-notifier",
-  "-title", "Codex CLI",
-  "-message", "Task completed!",
-  "-sound", "default",
+  "-title",
+  "Codex CLI",
+  "-message",
+  "Task completed!",
+  "-sound",
+  "default",
 ]
 
 [features]
@@ -23,12 +26,17 @@ max_threads = 6
 max_depth = 1
 
 [tui]
-status_line = ["model-with-reasoning", "context-remaining", "current-dir", "git-branch", "five-hour-limit"]
+status_line = [
+  "model-with-reasoning",
+  "context-remaining",
+  "current-dir",
+  "git-branch",
+  "five-hour-limit",
+]
 
 [sandbox_workspace_write]
 network_access = true
 
 [mcp_servers.mcp-nixos]
-command = "nix"
-args = ["run", "github:utensils/mcp-nixos", "--"]
-
+command = "uvx"
+args = ["mcp-nixos"]