fix: restore range-based visual selection for mini.files multi-file support

Author: jdurand

lua/claudecode/init.lua

@@ -685,7 +685,25 @@ function M._create_commands()
 
     if is_tree_buffer then
       local integrations = require("claudecode.integrations")
-      local files, error = integrations.get_selected_files_from_tree()
+      local files, error
+      
+      -- For mini.files, try to get the range from visual marks
+      if current_ft == "minifiles" or string.match(current_bufname, "minifiles://") then
+        local start_line = vim.fn.line("'<")
+        local end_line = vim.fn.line("'>")
+        
+        logger.debug("command", "Visual marks: start=" .. tostring(start_line) .. ", end=" .. tostring(end_line))
+        
+        if start_line > 0 and end_line > 0 and start_line <= end_line then
+          -- Use range-based selection for mini.files
+          files, error = integrations._get_mini_files_selection_with_range(start_line, end_line)
+        else
+          -- Fall back to regular method
+          files, error = integrations.get_selected_files_from_tree()
+        end
+      else
+        files, error = integrations.get_selected_files_from_tree()
+      end
 
       if error then
         logger.error("command", "ClaudeCodeSend_visual->TreeAdd: " .. error)

lua/claudecode/integrations.lua

@@ -269,6 +269,48 @@ end
 --- @return table files List of file paths
 --- @return string|nil error Error message if operation failed
 
+-- Helper function to get mini.files selection using explicit range
+function M._get_mini_files_selection_with_range(start_line, end_line)
+  local success, mini_files = pcall(require, "mini.files")
+  if not success then
+    return {}, "mini.files not available"
+  end
+
+  local files = {}
+  local bufnr = vim.api.nvim_get_current_buf()
+  
+  local logger = require("claudecode.logger")
+  logger.debug("integrations", "mini.files range selection: " .. start_line .. " to " .. end_line)
+
+  -- Process each line in the range
+  for line = start_line, end_line do
+    local entry_ok, entry = pcall(mini_files.get_fs_entry, bufnr, line)
+    
+    if entry_ok and entry and entry.path and entry.path ~= "" then
+      -- Extract real filesystem path from mini.files buffer path
+      local real_path = entry.path
+      -- Remove mini.files buffer protocol prefix if present
+      if real_path:match("^minifiles://") then
+        real_path = real_path:gsub("^minifiles://[^/]*/", "")
+      end
+
+      -- Validate that the path exists
+      if vim.fn.filereadable(real_path) == 1 or vim.fn.isdirectory(real_path) == 1 then
+        table.insert(files, real_path)
+        logger.debug("integrations", "  added: " .. real_path)
+      end
+    end
+  end
+  
+  logger.debug("integrations", "Range selection found " .. #files .. " files")
+  
+  if #files > 0 then
+    return files, nil
+  else
+    return {}, "No files found in range"
+  end
+end
+
 function M._get_mini_files_selection()
   local success, mini_files = pcall(require, "mini.files")
   if not success then