feat: llm retries (#739)

* llm retries no-mistakes

* self-review (no-mistakes)

* self-review (no-mistakes)

* bigger retry intervals by default

* tests and dry

* restore to main state

* parse retries

* json retries (no-mistakes)

* json retries (no-mistakes)

* json retries (no-mistakes)

* json retries (no-mistakes) self-review

* additional network retry test

* more lindt

---------

Co-authored-by: Igor Loskutov <igor.loskutoff@gmail.com>

server/tests/conftest.py

@@ -318,6 +318,14 @@ async def dummy_storage():
         yield
 
 
+@pytest.fixture
+def test_settings():
+    """Provide isolated settings for tests to avoid modifying global settings"""
+    from reflector.settings import Settings
+
+    return Settings()
+
+
 @pytest.fixture(scope="session")
 def celery_enable_logging():
     return True