fix: stop timer for retry on canceling inflight request (#2637)

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>

lua/avante/llm.lua

@@ -747,6 +747,16 @@ function M.curl(opts)
   return active_job
 end
 
+local retry_timer = nil
+local function stop_retry_timer(is_abort)
+  if retry_timer then
+    retry_timer:stop()
+    pcall(function() retry_timer:close() end)
+    retry_timer = nil
+    if is_abort then Utils.info("Retry aborted due to user requested cancellation.") end
+  end
+end
+
 ---@param opts AvanteLLMStreamOptions
 function M._stream(opts)
   -- Reset the cancellation flag at the start of a new request
@@ -982,8 +992,6 @@ function M._stream(opts)
             }
           )
 
-        local timer = vim.loop.new_timer()
-        if timer then
         local retry_count = stop_opts.retry_after
         Utils.info("Rate limit reached. Retrying in " .. retry_count .. " seconds", { title = "Avante" })
 
@@ -1001,8 +1009,7 @@ function M._stream(opts)
           end
 
           if retry_count <= 0 then
-              timer:stop()
+            stop_retry_timer(false)
-              pcall(function() timer:close() end)
 
             Utils.info("Restarting stream after rate limit pause")
             M._stream(opts)
@@ -1011,8 +1018,9 @@ function M._stream(opts)
           end
         end
 
-          timer:start(0, 1000, vim.schedule_wrap(function() countdown() end))
+        stop_retry_timer(false)
-        end
+        retry_timer = uv.new_timer()
+        if retry_timer then retry_timer:start(0, 1000, vim.schedule_wrap(function() countdown() end)) end
         return
       end
       return opts.on_stop(stop_opts)
@@ -1173,6 +1181,7 @@ function M.cancel_inflight_request()
     LLMToolHelpers.confirm_popup:cancel()
     LLMToolHelpers.confirm_popup = nil
   end
+  stop_retry_timer(true)
 
   api.nvim_exec_autocmds("User", { pattern = M.CANCEL_PATTERN })
 end