feat(core): add python community packs and UI toggle setup

lua/polish.lua

@@ -1,18 +1,7 @@
 -- This will run last in the setup process.
 -- Pure lua; anything that doesn't fit the normal config locations goes here.
 
--- Snacks.keymap: LSP-aware keymaps, only applied to buffers with a client
--- that supports the given method (which-key picks up the desc). ]] and [[
--- cycle through the LSP references that snacks.words auto-highlights,
--- complementing the core astrolsp `gd` / `gr` binds.
-local ok, snacks = pcall(require, "snacks")
-if ok then
-  snacks.keymap.set("n", "]]", function() snacks.words.jump(vim.v.count1, true) end, {
-    lsp = { method = "textDocument/documentHighlight" },
-    desc = "Next reference",
-  })
-  snacks.keymap.set("n", "[[", function() snacks.words.jump(-vim.v.count1, true) end, {
-    lsp = { method = "textDocument/documentHighlight" },
-    desc = "Previous reference",
-  })
-end
+-- <Leader>u UI toggles, mapped via Snacks.toggle so which-key shows the
+-- snacks state icons/colors (see config.toggles). LSP-scoped keymaps live in
+-- plugins/astrolsp.lua, where astrolsp gates them on server capabilities.
+require("config.toggles").setup()