fix: guard macOS-only configs behind has('mac') check

ftplugin/java.lua

@@ -1,3 +1,9 @@
+-- This ftplugin is currently configured for macOS (Homebrew + Apple Silicon).
+-- Skip on Linux until Linux paths are configured.
+if vim.fn.has("mac") ~= 1 then
+  return
+end
+
 local home = os.getenv("HOME")
 local workspace_path = home .. "/.local/share/nvim/jdtls-workspace/"
 local project_name = vim.fn.fnamemodify(vim.fn.getcwd(), ":p:h:t")

lua/cargdev/core/options.lua

@@ -136,8 +136,9 @@ g.loaded_ruby_provider = 0 -- Disable Ruby provider (optional)
 
 g.python3_host_prog = fn.expand("~/.local/pipx/venvs/pynvim/bin/python")
 
--- Clipboard provider optimization (macOS)
-g.clipboard = {
+-- Clipboard provider optimization (macOS only)
+if vim.fn.has("mac") == 1 then
+  g.clipboard = {
     name = "macOS-clipboard",
     copy = {
       ["+"] = "pbcopy",
@@ -147,7 +148,8 @@ g.clipboard = {
       ["+"] = "pbpaste",
       ["*"] = "pbpaste",
     },
-}
+  }
+end
 
 -- Lua specific settings
 opt.runtimepath:append(vim.fn.stdpath("config") .. "/lua")

lua/cargdev/plugins/vimtex.lua

@@ -10,12 +10,12 @@ return {
   "lervag/vimtex",
   ft = { "tex", "latex", "bib" },
   config = function()
-    -- Use Skim on macOS (or change to your preferred PDF viewer)
+    -- PDF viewer: Skim on macOS, zathura elsewhere
+    if vim.fn.has("mac") == 1 then
       vim.g.vimtex_view_method = "skim"
-
-    -- Alternatively, use the general viewer (Preview.app)
-    -- vim.g.vimtex_view_method = "general"
-    -- vim.g.vimtex_view_general_viewer = "open"
+    else
+      vim.g.vimtex_view_method = "zathura"
+    end
 
     -- Compiler settings
     vim.g.vimtex_compiler_method = "latexmk"