fix(plugins): hide global statusline and remove bufferline sidebar offset

lua/plugins/astrocore.lua

@@ -239,7 +239,7 @@ return {
         clipboard = "unnamedplus",
         title = true,
         titlestring = "",
-        laststatus = 3, -- global statusline (custom heirline in heirline.lua)
+        laststatus = 0, -- no statusline under the last window
       },
       g = {},
     },

lua/plugins/bufferline.lua

@@ -0,0 +1,13 @@
+--- bufferline.nvim overrides on top of the astrocommunity spec
+--- @module plugins.bufferline
+
+---@type LazySpec
+return {
+  "akinsho/bufferline.nvim",
+  opts = function(_, opts)
+    -- the community spec reserves a "Neo-tree" titled offset over the sidebar;
+    -- drop it so tabs start at the far left
+    opts.options = opts.options or {}
+    opts.options.offsets = nil
+  end,
+}