fix(ansi): annotate highlights too

lua/cp/ui/ansi.lua

@@ -1,6 +1,12 @@
 ---@class AnsiParseResult
 ---@field lines string[]
----@field highlights any[]
+---@field highlights Highlight[]
+
+---@class Highlight
+---@field line number
+---@field col_start number
+---@field col_end number
+---@field highlight_group string
 
 local M = {}
 

lua/cp/ui/diff.lua

@@ -1,6 +1,6 @@
 ---@class DiffResult
 ---@field content string[]
----@field highlights any[]?
+---@field highlights Highlight[]?
 ---@field raw_diff string?
 
 ---@class DiffBackend