fix: #341 align attempt retry count with await and recover

lib/baza-rb.rb

@@ -603,7 +603,7 @@ def home
   # @yield The block to execute with retries
   # @return [Object] The result of the block execution
   def attempt(&)
-    with_retries(max_tries: @retries, rescue: TimedOut, &)
+    with_retries(max_tries: @retries + 1, rescue: TimedOut, &)
   end
 
   # Execute a block with retries on 429 status codes.

test/test_baza_edge.rb

@@ -290,6 +290,23 @@ def test_download_retries_on_busy_server
     end
   end
 
+  # Reproduces zerocracy/baza.rb#341: BazaRb#attempt passed @retries to
+  # with_retries(max_tries:), so a retries: N configuration produced N-1
+  # retries on TimedOut while #await and #recover gave N retries on 429
+  # and >=499. After the fix, attempt allows @retries + 1 total tries to
+  # match the retry count semantics of the surrounding loops.
+  def test_attempt_total_tries_match_retries_plus_one
+    fast = BazaRb.new('example.org', 443, '000', loog: Loog::NULL, retries: 3, pause: 0)
+    attempts = 0
+    assert_raises(BazaRb::TimedOut) do
+      fast.__send__(:attempt) do
+        attempts += 1
+        raise(BazaRb::TimedOut, 'simulated timeout')
+      end
+    end
+    assert_equal(4, attempts, 'attempt must run @retries + 1 total tries on a persistent TimedOut')
+  end
+
   # Reproduces zerocracy/baza.rb#289: BazaRb#download never retries on
   # timeout because checked() is called outside attempt. After the fix,
   # a libcurl operation_timedout on the first GET re-raises BazaRb::TimedOut