fix(proxy): keep the usage api_key cap local to common_daily_activity to avoid a module-level import cycle

Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>

litellm/constants.py

@@ -65,10 +65,6 @@ DEFAULT_MAX_RETRIES: Final = int(os.getenv("DEFAULT_MAX_RETRIES", 2))
 # Max records accepted in one POST /v1/callbacks/logs batch. Bounds the blast
 # radius: each record fans out to spend logs + every callback integration.
 MAX_CALLBACK_LOG_RECORDS: Final = 1000
-# Top keys by spend that get per-key rows in the aggregated usage response.
-# Six of its GROUPING SETS are keyed on api_key, so an uncapped result grows
-# with every distinct key and the prisma query engine OOMs buffering it.
-MAX_API_KEYS_IN_USAGE_BREAKDOWN: Final = 100
 DEFAULT_MAX_RECURSE_DEPTH: Final = int(os.getenv("DEFAULT_MAX_RECURSE_DEPTH", 100))
 DEFAULT_MAX_RECURSE_DEPTH_SENSITIVE_DATA_MASKER = int(os.getenv("DEFAULT_MAX_RECURSE_DEPTH_SENSITIVE_DATA_MASKER", 10))
 DEFAULT_FAILURE_THRESHOLD_PERCENT: Final = float(

litellm/proxy/management_endpoints/common_daily_activity.py

@@ -9,7 +9,7 @@ from fastapi import HTTPException, status
 from typing_extensions import ReadOnly, TypedDict
 
 from litellm._logging import verbose_proxy_logger
-from litellm.constants import MAX_API_KEYS_IN_USAGE_BREAKDOWN, PTU_SENTINEL_API_KEY
+from litellm.constants import PTU_SENTINEL_API_KEY
 from litellm.proxy._types import CommonProxyErrors
 from litellm.proxy.spend_tracking.key_metadata_recovery import (
     attach_user_emails,
@@ -52,6 +52,8 @@ _PRISMA_TO_PG_TABLE: Final[Mapping[str, str]] = {
     "litellm_dailytagspend": "LiteLLM_DailyTagSpend",
 }
 
+MAX_API_KEYS_IN_USAGE_BREAKDOWN: Final = 100
+
 
 class DailySpendRecord(Protocol):
     @property

tests/test_litellm/proxy/management_endpoints/test_common_daily_activity.py

@@ -9,8 +9,8 @@ import pytest
 from psycopg.rows import dict_row
 from pytest_postgresql import factories
 
-from litellm.constants import MAX_API_KEYS_IN_USAGE_BREAKDOWN
 from litellm.proxy.management_endpoints.common_daily_activity import (
+    MAX_API_KEYS_IN_USAGE_BREAKDOWN,
     _adjust_dates_for_timezone,
     _build_aggregated_sql_query,
     _build_entity_rollup_sql_query,