feat: add line_length to large buffer detection

lua/astrocore/config.lua

@@ -41,6 +41,7 @@
 ---@class AstroCoreMaxFile
 ---@field size integer? the number of bytes in a file
 ---@field lines integer? the number of lines in a file
+---@field line_length integer? the average line length in a file
 
 ---@class AstroCoreSessionAutosave
 ---@field last boolean? whether or not to save the last session
@@ -308,7 +309,7 @@ local M = {
     cmp = true,
     diagnostics_mode = 3,
     highlighturl = true,
-    large_buf = { size = 1024 * 256, lines = 10000 },
+    large_buf = { size = 1024 * 256, lines = 10000, line_length = 1000 },
     notifications = true,
   },
   git_worktrees = nil,

lua/astrocore/init.lua

@@ -536,8 +536,12 @@ function M.setup(opts)
       callback = function(args)
         -- TODO: remove `vim.loop` when dropping support for Neovim v0.9
         local ok, stats = pcall((vim.uv or vim.loop).fs_stat, vim.api.nvim_buf_get_name(args.buf))
+        local file_size = ok and stats and stats.size or 0
+        local line_count = vim.api.nvim_buf_line_count(args.buf)
         if
-          (ok and stats and stats.size > large_buf.size) or vim.api.nvim_buf_line_count(args.buf) > large_buf.lines
+          file_size > large_buf.size
+          or line_count > large_buf.lines
+          or (file_size / line_count) - 1 > large_buf.line_length
         then
           vim.b[args.buf].large_buf = true
           M.event("LargeBuf", true)