feat(lua): use translator/keep_comments: true to prevent lua from erasing pinyin comments

lua/corrector.lua

@@ -13,6 +13,7 @@ local M = {}
 
 function M.init(env)
     local config = env.engine.schema.config
+    env.keep_comment = config:get_bool('translator/keep_comments')
     local delimiter = config:get_string('speller/delimiter')
     if delimiter and #delimiter > 0 and delimiter:sub(1,1) ~= ' ' then
         env.delimiter = delimiter:sub(1,1)
@@ -122,16 +123,21 @@ function M.func(input, env)
         -- cand.comment 是目前输入的词汇的完整拼音
         local pinyin = cand.comment:match("^［(.-)］$")
         if pinyin and #pinyin > 0 then
+            local correction_pinyin = pinyin
             if env.delimiter then
-                pinyin = pinyin:gsub(env.delimiter,' ')
+                correction_pinyin = correction_pinyin:gsub(env.delimiter,' ')
             end
-            local c = M.corrections[pinyin]
+            local c = M.corrections[correction_pinyin]
             if c and cand.text == c.text then
                 cand:get_genuine().comment = string.gsub(M.style, "{comment}", c.comment)
+            else
+                if env.keep_comment then
+                    cand:get_genuine().comment = string.gsub(M.style, "{comment}", pinyin)
                 else
                     cand:get_genuine().comment = ""
                 end
             end
+        end
         yield(cand)
     end
 end