feat: add tool-call fallback and resilient batch exports

tests/unit/test_llm_reliability.py

@@ -49,6 +49,15 @@ def test_non_retryable_categories_get_single_attempt():
     assert retry_policy_for(FailureCategory.RATE_LIMIT).max_attempts > 1
 
 
+def test_too_many_requests_uses_one_minute_retry_delay(monkeypatch):
+    from artemis.config.settings import settings
+
+    monkeypatch.setattr(settings, "OPENAI_RATE_LIMIT_RETRY_SECONDS", 60)
+    failure = classify_failure(RuntimeError("Too Many Requests"))
+    assert failure.category is FailureCategory.RATE_LIMIT
+    assert retry_policy_for(failure.category).delay_for(1) == 60
+
+
 def test_breaker_only_trips_on_transient_categories():
     breaker = CircuitBreaker(threshold=2, cooldown_seconds=10.0)
     auth = classify_failure(RuntimeError("401 unauthorized"))