refactoring the context

lua/codetyper/utils/parse_requested_files.lua

@@ -0,0 +1,51 @@
+--- Parse requested file paths from LLM response and resolve to full paths
+---@param response string LLM response text
+---@return string[] resolved_paths List of resolved absolute file paths
+local function parse_requested_files(response)
+  if not response or response == "" then
+    return {}
+  end
+
+  local cwd = vim.fn.getcwd()
+  local candidates = {}
+  local seen = {}
+
+  for path in response:gmatch("`([%w%._%-%/]+%.[%w_]+)`") do
+    if not seen[path] then
+      table.insert(candidates, path)
+      seen[path] = true
+    end
+  end
+  for path in response:gmatch("([%w%._%-%/]+%.[%w_]+)") do
+    if not seen[path] then
+      table.insert(candidates, path)
+      seen[path] = true
+    end
+  end
+
+  local resolved = {}
+  for _, candidate_path in ipairs(candidates) do
+    local full_path = nil
+    if candidate_path:sub(1, 1) == "/" and vim.fn.filereadable(candidate_path) == 1 then
+      full_path = candidate_path
+    else
+      local relative_path = cwd .. "/" .. candidate_path
+      if vim.fn.filereadable(relative_path) == 1 then
+        full_path = relative_path
+      else
+        local filename = candidate_path:match("[^/]+$") or candidate_path
+        local glob_matches = vim.fn.globpath(cwd, "**/" .. filename, false, true)
+        if glob_matches and #glob_matches > 0 then
+          full_path = glob_matches[1]
+        end
+      end
+    end
+    if full_path and vim.fn.filereadable(full_path) == 1 then
+      table.insert(resolved, full_path)
+    end
+  end
+
+  return resolved
+end
+
+return parse_requested_files