[Update] bulk update

common/.config/nvim/lua/plugins/init.lua

@@ -34,6 +34,26 @@ return {
         "regex",
       },
     },
+    -- On the main branch nothing acts on `ensure_installed` at startup: setup() takes only
+    -- install_dir, and NvChad's :TSInstallAll (which does read this list off the lazy spec)
+    -- only runs from `build`, i.e. when the plugin is installed or updated. So a language
+    -- added here stayed uninstalled until the next rebuild — 9 of these 15 were missing,
+    -- silently falling back to regex highlighting. Install whatever is absent, once, here.
+    config = function(_, opts)
+      local ts = require "nvim-treesitter"
+      ts.setup()
+
+      local have = {}
+      for _, lang in ipairs(ts.get_installed()) do
+        have[lang] = true
+      end
+      local missing = vim.tbl_filter(function(lang)
+        return not have[lang]
+      end, opts.ensure_installed or {})
+      if #missing > 0 then
+        ts.install(missing) -- async; highlighting picks each up as it lands
+      end
+    end,
   },
 
   {