feat(spend-logs): add lifecycle timestamps

litellm-proxy-extras/litellm_proxy_extras/migrations/20260818000000_add_spend_log_timestamps/migration.sql

@@ -0,0 +1,3 @@
+ALTER TABLE "LiteLLM_SpendLogs"
+ADD COLUMN IF NOT EXISTS "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+ADD COLUMN IF NOT EXISTS "updated_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;

litellm-proxy-extras/litellm_proxy_extras/schema.prisma

@@ -641,6 +641,8 @@ model LiteLLM_SpendLogs {
   mcp_namespaced_tool_name String? 
   agent_id            String?
   proxy_server_request Json?     @default("{}")
+  created_at          DateTime   @default(now()) @map("created_at")
+  updated_at          DateTime   @default(now()) @updatedAt @map("updated_at")
   @@index([startTime])
   @@index([startTime, request_id])
   @@index([end_user])

litellm/models/spend_logs.py

@@ -33,6 +33,8 @@ class LiteLLM_SpendLogs(LiteLLMPydanticObjectBase):
     requester_ip_address: str | None = None
     messages: str | list | dict | None
     response: str | list | dict | None
+    created_at: datetime | None = None
+    updated_at: datetime | None = None
 
 
 class LiteLLM_ErrorLogs(LiteLLMPydanticObjectBase):

litellm/proxy/schema.prisma

@@ -641,6 +641,8 @@ model LiteLLM_SpendLogs {
   mcp_namespaced_tool_name String? 
   agent_id            String?
   proxy_server_request Json?     @default("{}")
+  created_at          DateTime   @default(now()) @map("created_at")
+  updated_at          DateTime   @default(now()) @updatedAt @map("updated_at")
   @@index([startTime])
   @@index([startTime, request_id])
   @@index([end_user])

tests/test_litellm/models/test_models.py

@@ -498,6 +498,25 @@ class TestSpendLogs:
         assert log.request_id == "r1"
         assert log.spend == 0.0
         assert log.cache_hit == "False"
+        assert log.created_at is None
+        assert log.updated_at is None
+
+    def test_spend_logs_parse_database_timestamps(self):
+        created_at = datetime(2026, 8, 18, 12, 0, 0)
+        updated_at = datetime(2026, 8, 18, 12, 5, 0)
+        log = LiteLLM_SpendLogs(
+            request_id="r1",
+            api_key="sk-1",
+            call_type="completion",
+            startTime=None,
+            endTime=None,
+            messages=None,
+            response=None,
+            created_at=created_at,
+            updated_at=updated_at,
+        )
+        assert log.created_at == created_at
+        assert log.updated_at == updated_at
 
     def test_error_logs_creation(self):
         log = LiteLLM_ErrorLogs(