feat: add onsubmit hook

Author: jingyi-zhao-01

lua/leetcode/config/template.lua

@@ -24,6 +24,7 @@
 ---| "enter"
 ---| "question_enter"
 ---| "leave"
+---| "on_submit"
 
 ---@alias lc.size
 ---| string
@@ -120,6 +121,10 @@ local M = {
 
         ---@type fun()[]
         ["leave"] = {},
+
+        ---@type fun(question: lc.ui.Question, buffer: string, status_msg: string|nil)[]
+        ["on_submit"] = {},
+
     },
 
     keys = {

lua/leetcode/runner/init.lua

@@ -4,6 +4,7 @@ local log = require("leetcode.logger")
 local interpreter = require("leetcode.api.interpreter")
 local config = require("leetcode.config")
 local Judge = require("leetcode.logger.spinner.judge")
+local utils = require("leetcode.utils")
 
 ---@type Path
 local leetbody = config.storage.cache:joinpath("body")
@@ -64,7 +65,11 @@ function Runner:handle(submit)
         end
 
         if item then
-            question.console.result:handle(item)
+            question.console.result:handle(item)            
+
+            if item._.submission then
+                utils.exec_hooks("on_submit", question, body.typed_code, item.status_msg)
+            end
         end
     end