finder fixed char render

lua/plugins/finder.lua

@@ -16,6 +16,7 @@ M.config = {
   max_items = 5000, -- safety cap for massive outputs
   debug = false,
   follow_symlinks = true, -- pass -L to fd
+  grep_path_width = 30,
 
   -- Exclusion patterns (used by fd/rg in addition to their gitignore handling)
   exclude_patterns = { 'node_modules', 'dist', 'build', '.git' },
@@ -241,6 +242,60 @@ local function render()
     end
   end
 
+  -- For grep mode, reformat lines with fixed-width path column
+  local offset_map = {} -- maps display line -> character offset for highlighting
+  if S.mode == 'grep' and total > 0 then
+    local path_width = M.config.grep_path_width or 40
+
+    for i = 1, #view do
+      local line = view[i]
+      if line then
+        -- Parse original vimgrep format: file:line:col:content
+        local file, lnum, col = line:match('^(.-):(%d+):(%d+):')
+        if file and lnum and col then
+          -- Pad line number to 3 chars with underscores
+          local padded_lnum = lnum
+          while #padded_lnum < 3 do
+            padded_lnum = ' ' .. padded_lnum
+          end
+
+          local lineinfo = ':' .. padded_lnum .. '|'
+          local content_start = #file + 1 + #lnum + 1 + #col + 2 -- file + :lnum: + col:
+          local content_part = line:sub(content_start)
+
+          -- Calculate how much space we need for file + lineinfo
+          local prefix_len = #file + #lineinfo
+          local formatted_line
+
+          if prefix_len > path_width then
+            -- Need to truncate the filepath part only
+            local available_for_file = path_width - #lineinfo
+            if available_for_file > 1 then
+              local truncated_file = '…' .. file:sub(-(available_for_file - 1))
+              formatted_line = truncated_file .. lineinfo .. content_part
+              -- Offset is: original_file_length - truncated_file_length
+              offset_map[i] = #file - #truncated_file
+            else
+              -- Extreme case: line info itself is too long, just show what we can
+              formatted_line = ('…' .. file):sub(1, path_width) .. lineinfo .. content_part
+              offset_map[i] = #file - (path_width - #lineinfo)
+            end
+          elseif prefix_len < path_width then
+            -- Right-align by padding before the filepath
+            local padding = string.rep(' ', path_width - prefix_len)
+            formatted_line = padding .. file .. lineinfo .. content_part
+            offset_map[i] = -(path_width - prefix_len) -- negative for padding added
+          else
+            formatted_line = file .. lineinfo .. content_part
+            offset_map[i] = 0
+          end
+
+          view[i] = formatted_line
+        end
+      end
+    end
+  end
+
   vim.bo[S.buf_res].modifiable = true
   vim.api.nvim_buf_set_lines(S.buf_res, 0, -1, false, view)
   vim.api.nvim_buf_clear_namespace(S.buf_res, S.ns, 0, -1)
@@ -253,26 +308,31 @@ local function render()
     local idx = S.scroll + i
     local line = view[i]
 
-    -- In grep mode, highlight the "file:line:col:" prefix in gray
+    -- In grep mode, highlight the entire "file:line|" prefix in gray
     if S.mode == 'grep' and line then
-      local prefix_end = line:find('^.-:%d+:%d+:')
+      -- Find the end of the full prefix including the pipe
+      local _, prefix_end = line:find(':[ 0-9]+|')
       if prefix_end then
-        local _, epos = line:find('^.-:%d+:%d+:')
-        if epos then
         pcall(vim.api.nvim_buf_set_extmark, S.buf_res, S.ns, i - 1, 0, {
-            end_col = epos,
+          end_col = prefix_end,
           hl_group = 'FinderPath',
         })
       end
     end
-    end
 
     -- match highlights (query matches in orange)
     local spans = S.positions[idx]
     if spans then
       for _, se in ipairs(spans) do
         local scol, ecol = se[1], se[2]
-        if ecol > scol then
+
+        -- Adjust positions for grep mode formatting
+        if S.mode == 'grep' and offset_map[i] then
+          scol = scol - offset_map[i]
+          ecol = ecol - offset_map[i]
+        end
+
+        if ecol > scol and scol >= 0 then
           pcall(vim.api.nvim_buf_set_extmark, S.buf_res, S.ns, i - 1, scol, {
             end_col = ecol,
             hl_group = 'FinderMatch',