feat: add lint tool

lua/chatgpt_nvim/tools/replace_in_file.lua

@@ -1,4 +1,5 @@
 local handler = require("chatgpt_nvim.handler")
+local lint = require("chatgpt_nvim.tools.lint")
 
 local M = {}
 
@@ -8,7 +9,6 @@ local function search_and_replace(original, replacements)
   for _, r in ipairs(replacements) do
     local search_str = r.search or ""
     local replace_str = r.replace or ""
-    -- Here we do a global plain text replacement
     updated = updated:gsub(search_str, replace_str)
   end
   return updated
@@ -41,6 +41,17 @@ M.run = function(tool_call, conf, prompt_user_tool_accept, is_subpath, read_file
   msg[#msg+1] = string.format("<final_file_content path=\"%s\">\n%s\n</final_file_content>", path, updated_data)
   msg[#msg+1] = "\nIMPORTANT: For any future changes to this file, use the final_file_content shown above as your reference.\n"
 
+  -- 2) Lint check if enabled
+  if conf.auto_lint then
+    local output, err = lint.lint_file(path)
+    if output then
+      msg[#msg+1] = "\n--- Lint Results ---\n"
+      msg[#msg+1] = output
+    else
+      msg[#msg+1] = "\n(Lint) " .. (err or "Could not lint this file.")
+    end
+  end
+
   return table.concat(msg, "")
 end