fix: logic bugs found by AI

1. `plugin/lspconfig.lua`: LspRestart timer was never closed after firing, leaking a libuv handle on every invocation.
2. `lsp/muon.lua`: Formatting cmd (a list) with %s, producing table: 0x... instead of the command.

1 files changed, 1 insertions, 0 deletions

diff --git a/plugin/lspconfig.lua b/plugin/lspconfig.lua
index 5db58fbf..38fc5c0a 100644
--- a/plugin/lspconfig.lua
+++ b/plugin/lspconfig.lua
@@ -158,6 +158,7 @@ if vim.fn.has('nvim-0.11.2') == 1 then
       for name in vim.iter(client_names) do
         vim.schedule_wrap(vim.lsp.enable)(name)
       end
+      timer:close()
     end)
   end, {
     desc = 'Restart the given client',