diff --git a/lib/crewai/tests/cassettes/tracing/TestTraceListenerSetup.test_trace_listener_collects_crew_events.yaml b/lib/crewai/tests/cassettes/tracing/TestTraceListenerSetup.test_trace_listener_collects_crew_events.yaml
index 19be1b0ac..a729313c4 100644
--- a/lib/crewai/tests/cassettes/tracing/TestTraceListenerSetup.test_trace_listener_collects_crew_events.yaml
+++ b/lib/crewai/tests/cassettes/tracing/TestTraceListenerSetup.test_trace_listener_collects_crew_events.yaml
@@ -1,6 +1,34 @@
 interactions:
 - request:
-    body: '{"messages": [{"role": "system", "content": "You are Test Agent. Test backstory\nYour personal goal is: Test goal\nTo give my best complete final answer to the task respond using the exact following format:\n\nThought: I now can give a great answer\nFinal Answer: Your final answer must be the great and the most complete as possible, it must be outcome described.\n\nI MUST use these formats, my job depends on it!"}, {"role": "user", "content": "\nCurrent Task: Say hello to the world\n\nThis is the expected criteria for your final answer: hello world\nyou MUST return the actual complete content as the final answer, not a summary.\n\nBegin! This is VERY important to you, use the tools available and give your best Final Answer, your job depends on it!\n\nThought:"}], "model": "gpt-4o-mini", "stop": ["\nObservation:"]}'
+    body: '{}'
+    headers:
+      accept:
+      - application/json
+      content-type:
+      - application/json
+    method: POST
+    uri: https://fake.crewai.com/crewai_plus/api/v1/tracing/batches
+  response:
+    body:
+      string: '{"trace_id":"test-trace-id-12345","ephemeral_trace_id":"test-ephemeral-id-12345","status":"initialized"}'
+    headers:
+      Content-Type:
+      - application/json
+    status:
+      code: 200
+      message: OK
+- request:
+    body: '{"messages": [{"role": "system", "content": "You are Test Agent. Test backstory\nYour
+      personal goal is: Test goal\nTo give my best complete final answer to the task
+      respond using the exact following format:\n\nThought: I now can give a great
+      answer\nFinal Answer: Your final answer must be the great and the most complete
+      as possible, it must be outcome described.\n\nI MUST use these formats, my job
+      depends on it!"}, {"role": "user", "content": "\nCurrent Task: Say hello to
+      the world\n\nThis is the expected criteria for your final answer: hello world\nyou
+      MUST return the actual complete content as the final answer, not a summary.\n\nBegin!
+      This is VERY important to you, use the tools available and give your best Final
+      Answer, your job depends on it!\n\nThought:"}], "model": "gpt-4o-mini", "stop":
+      ["\nObservation:"]}'
     headers:
       accept:
       - application/json
@@ -13,7 +41,8 @@ interactions:
       content-type:
       - application/json
       cookie:
-      - __cf_bm=ePO5hy0kEoADCuKcboFy1iS1qckCE5KCpifQaXnlomM-1754508545-1.0.1.1-ieWfjcdIxQIXGfaMizvmgTvZPRFehqDXliegaOT7EO.kt7KSSFGmNDcC35_D9hOhE.fJ5K302uX0snQF3nLaapds2dqgGbNcsyFPOKNvAdI; _cfuvid=NaXWifUGChHp6Ap1mvfMrNzmO4HdzddrqXkSR9T.hYo-1754508545647-0.0.1.1-604800000
+      - __cf_bm=ePO5hy0kEoADCuKcboFy1iS1qckCE5KCpifQaXnlomM-1754508545-1.0.1.1-ieWfjcdIxQIXGfaMizvmgTvZPRFehqDXliegaOT7EO.kt7KSSFGmNDcC35_D9hOhE.fJ5K302uX0snQF3nLaapds2dqgGbNcsyFPOKNvAdI;
+        _cfuvid=NaXWifUGChHp6Ap1mvfMrNzmO4HdzddrqXkSR9T.hYo-1754508545647-0.0.1.1-604800000
       host:
       - api.openai.com
       user-agent:
@@ -42,7 +71,19 @@ interactions:
     uri: https://api.openai.com/v1/chat/completions
   response:
     body:
-      string: "{\n  \"id\": \"chatcmpl-C1e6uBsZ3iMw51p03hHTkBgHjA5ym\",\n  \"object\": \"chat.completion\",\n  \"created\": 1754508548,\n  \"model\": \"gpt-4o-mini-2024-07-18\",\n  \"choices\": [\n    {\n      \"index\": 0,\n      \"message\": {\n        \"role\": \"assistant\",\n        \"content\": \"I now can give a great answer  \\nFinal Answer: hello world\",\n        \"refusal\": null,\n        \"annotations\": []\n      },\n      \"logprobs\": null,\n      \"finish_reason\": \"stop\"\n    }\n  ],\n  \"usage\": {\n    \"prompt_tokens\": 157,\n    \"completion_tokens\": 13,\n    \"total_tokens\": 170,\n    \"prompt_tokens_details\": {\n      \"cached_tokens\": 0,\n      \"audio_tokens\": 0\n    },\n    \"completion_tokens_details\": {\n      \"reasoning_tokens\": 0,\n      \"audio_tokens\": 0,\n      \"accepted_prediction_tokens\": 0,\n      \"rejected_prediction_tokens\": 0\n    }\n  },\n  \"service_tier\": \"default\",\n  \"system_fingerprint\": \"fp_34a54ae93c\"\n}\n"
+      string: "{\n  \"id\": \"chatcmpl-C1e6uBsZ3iMw51p03hHTkBgHjA5ym\",\n  \"object\"\
+        : \"chat.completion\",\n  \"created\": 1754508548,\n  \"model\": \"gpt-4o-mini-2024-07-18\"\
+        ,\n  \"choices\": [\n    {\n      \"index\": 0,\n      \"message\": {\n  \
+        \      \"role\": \"assistant\",\n        \"content\": \"I now can give a great\
+        \ answer  \\nFinal Answer: hello world\",\n        \"refusal\": null,\n  \
+        \      \"annotations\": []\n      },\n      \"logprobs\": null,\n      \"\
+        finish_reason\": \"stop\"\n    }\n  ],\n  \"usage\": {\n    \"prompt_tokens\"\
+        : 157,\n    \"completion_tokens\": 13,\n    \"total_tokens\": 170,\n    \"\
+        prompt_tokens_details\": {\n      \"cached_tokens\": 0,\n      \"audio_tokens\"\
+        : 0\n    },\n    \"completion_tokens_details\": {\n      \"reasoning_tokens\"\
+        : 0,\n      \"audio_tokens\": 0,\n      \"accepted_prediction_tokens\": 0,\n\
+        \      \"rejected_prediction_tokens\": 0\n    }\n  },\n  \"service_tier\"\
+        : \"default\",\n  \"system_fingerprint\": \"fp_34a54ae93c\"\n}\n"
     headers:
       CF-RAY:
       - 96b0f0fb5c067ad9-SJC
@@ -100,7 +141,16 @@ interactions:
       code: 200
       message: OK
 - request:
-    body: '{"messages": [{"role": "system", "content": "You are Test Agent. Test backstory\nYour personal goal is: Test goal\nTo give my best complete final answer to the task respond using the exact following format:\n\nThought: I now can give a great answer\nFinal Answer: Your final answer must be the great and the most complete as possible, it must be outcome described.\n\nI MUST use these formats, my job depends on it!"}, {"role": "user", "content": "\nCurrent Task: Say hello to the world\n\nThis is the expected criteria for your final answer: hello world\nyou MUST return the actual complete content as the final answer, not a summary.\n\nBegin! This is VERY important to you, use the tools available and give your best Final Answer, your job depends on it!\n\nThought:"}], "model": "gpt-4o-mini"}'
+    body: '{"messages": [{"role": "system", "content": "You are Test Agent. Test backstory\nYour
+      personal goal is: Test goal\nTo give my best complete final answer to the task
+      respond using the exact following format:\n\nThought: I now can give a great
+      answer\nFinal Answer: Your final answer must be the great and the most complete
+      as possible, it must be outcome described.\n\nI MUST use these formats, my job
+      depends on it!"}, {"role": "user", "content": "\nCurrent Task: Say hello to
+      the world\n\nThis is the expected criteria for your final answer: hello world\nyou
+      MUST return the actual complete content as the final answer, not a summary.\n\nBegin!
+      This is VERY important to you, use the tools available and give your best Final
+      Answer, your job depends on it!\n\nThought:"}], "model": "gpt-4o-mini"}'
     headers:
       accept:
       - application/json
@@ -113,7 +163,8 @@ interactions:
       content-type:
       - application/json
       cookie:
-      - __cf_bm=f59gEPi_nA3TTxtjbKaSQpvkTwezaAqOvqfxiGzRnVQ-1754508546-1.0.1.1-JrSaytxVIQSVE00I.vyGj7d4HJbbMV6R9fWPJbkDKu0Y8ueMRzTwTUnfz0YzP5nsZX5oxoE6WlmFxOuz0rRuq9YhZZsO_TbaFBOFk1jGK9U; _cfuvid=3D66v3.J_RcVoYy9dlF.jHwq1zTIm842xynZxzSy1Wc-1754508546352-0.0.1.1-604800000
+      - __cf_bm=f59gEPi_nA3TTxtjbKaSQpvkTwezaAqOvqfxiGzRnVQ-1754508546-1.0.1.1-JrSaytxVIQSVE00I.vyGj7d4HJbbMV6R9fWPJbkDKu0Y8ueMRzTwTUnfz0YzP5nsZX5oxoE6WlmFxOuz0rRuq9YhZZsO_TbaFBOFk1jGK9U;
+        _cfuvid=3D66v3.J_RcVoYy9dlF.jHwq1zTIm842xynZxzSy1Wc-1754508546352-0.0.1.1-604800000
       host:
       - api.openai.com
       user-agent:
@@ -142,7 +193,19 @@ interactions:
     uri: https://api.openai.com/v1/chat/completions
   response:
     body:
-      string: "{\n  \"id\": \"chatcmpl-C1e6vUMjwrC8Zt9Htraa70hbbt5d7\",\n  \"object\": \"chat.completion\",\n  \"created\": 1754508549,\n  \"model\": \"gpt-4o-mini-2024-07-18\",\n  \"choices\": [\n    {\n      \"index\": 0,\n      \"message\": {\n        \"role\": \"assistant\",\n        \"content\": \"I now can give a great answer  \\nFinal Answer: hello world\",\n        \"refusal\": null,\n        \"annotations\": []\n      },\n      \"logprobs\": null,\n      \"finish_reason\": \"stop\"\n    }\n  ],\n  \"usage\": {\n    \"prompt_tokens\": 157,\n    \"completion_tokens\": 13,\n    \"total_tokens\": 170,\n    \"prompt_tokens_details\": {\n      \"cached_tokens\": 0,\n      \"audio_tokens\": 0\n    },\n    \"completion_tokens_details\": {\n      \"reasoning_tokens\": 0,\n      \"audio_tokens\": 0,\n      \"accepted_prediction_tokens\": 0,\n      \"rejected_prediction_tokens\": 0\n    }\n  },\n  \"service_tier\": \"default\",\n  \"system_fingerprint\": \"fp_34a54ae93c\"\n}\n"
+      string: "{\n  \"id\": \"chatcmpl-C1e6vUMjwrC8Zt9Htraa70hbbt5d7\",\n  \"object\"\
+        : \"chat.completion\",\n  \"created\": 1754508549,\n  \"model\": \"gpt-4o-mini-2024-07-18\"\
+        ,\n  \"choices\": [\n    {\n      \"index\": 0,\n      \"message\": {\n  \
+        \      \"role\": \"assistant\",\n        \"content\": \"I now can give a great\
+        \ answer  \\nFinal Answer: hello world\",\n        \"refusal\": null,\n  \
+        \      \"annotations\": []\n      },\n      \"logprobs\": null,\n      \"\
+        finish_reason\": \"stop\"\n    }\n  ],\n  \"usage\": {\n    \"prompt_tokens\"\
+        : 157,\n    \"completion_tokens\": 13,\n    \"total_tokens\": 170,\n    \"\
+        prompt_tokens_details\": {\n      \"cached_tokens\": 0,\n      \"audio_tokens\"\
+        : 0\n    },\n    \"completion_tokens_details\": {\n      \"reasoning_tokens\"\
+        : 0,\n      \"audio_tokens\": 0,\n      \"accepted_prediction_tokens\": 0,\n\
+        \      \"rejected_prediction_tokens\": 0\n    }\n  },\n  \"service_tier\"\
+        : \"default\",\n  \"system_fingerprint\": \"fp_34a54ae93c\"\n}\n"
     headers:
       CF-RAY:
       - 96b0f101793aeb2c-SJC
@@ -200,7 +263,11 @@ interactions:
       code: 200
       message: OK
 - request:
-    body: '{"trace_id": "2487456d-e03a-4eae-92a1-e9779e8f06a1", "execution_type": "crew", "execution_context": {"crew_fingerprint": null, "crew_name": "Unknown Crew", "flow_name": "Unknown Flow", "crewai_version": "0.152.0", "privacy_level": "standard"}, "execution_metadata": {"expected_duration_estimate": 300, "agent_count": 0, "task_count": 0, "flow_method_count": 0, "execution_started_at": "2025-08-06T19:30:52.475039+00:00"}}'
+    body: '{"trace_id": "2487456d-e03a-4eae-92a1-e9779e8f06a1", "execution_type":
+      "crew", "execution_context": {"crew_fingerprint": null, "crew_name": "Unknown
+      Crew", "flow_name": "Unknown Flow", "crewai_version": "0.152.0", "privacy_level":
+      "standard"}, "execution_metadata": {"expected_duration_estimate": 300, "agent_count":
+      0, "task_count": 0, "flow_method_count": 0, "execution_started_at": "2025-08-06T19:30:52.475039+00:00"}}'
     headers:
       Accept:
       - '*/*'
@@ -222,8 +289,29 @@ interactions:
     uri: https://app.crewai.com/crewai_plus/api/v1/tracing/batches
   response:
     body:
-      string: "<!DOCTYPE html>\n<html>\n<head>\n  <title>The page you were looking for doesn't exist (404)</title>\n  <meta name=\"viewport\" content=\"width=device-width,initial-scale=1\">\n  <style>\n  .rails-default-error-page {\n    background-color: #EFEFEF;\n    color: #2E2F30;\n    text-align: center;\n    font-family: arial, sans-serif;\n    margin: 0;\n  }\n\n  .rails-default-error-page div.dialog {\n    width: 95%;\n    max-width: 33em;\n    margin: 4em auto 0;\n  }\n\n  .rails-default-error-page div.dialog > div {\n    border: 1px solid #CCC;\n    border-right-color: #999;\n    border-left-color: #999;\n    border-bottom-color: #BBB;\n    border-top: #B00100 solid 4px;\n    border-top-left-radius: 9px;\n    border-top-right-radius: 9px;\n    background-color: white;\n    padding: 7px 12% 0;\n    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);\n  }\n\n  .rails-default-error-page h1 {\n    font-size: 100%;\n    color: #730E15;\n    line-height: 1.5em;\n  }\n\n  .rails-default-error-page\
-        \ div.dialog > p {\n    margin: 0 0 1em;\n    padding: 1em;\n    background-color: #F7F7F7;\n    border: 1px solid #CCC;\n    border-right-color: #999;\n    border-left-color: #999;\n    border-bottom-color: #999;\n    border-bottom-left-radius: 4px;\n    border-bottom-right-radius: 4px;\n    border-top-color: #DADADA;\n    color: #666;\n    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);\n  }\n  </style>\n</head>\n\n<body class=\"rails-default-error-page\">\n  <!-- This file lives in public/404.html -->\n  <div class=\"dialog\">\n    <div>\n      <h1>The page you were looking for doesn't exist.</h1>\n      <p>You may have mistyped the address or the page may have moved.</p>\n    </div>\n    <p>If you are the application owner check the logs for more information.</p>\n  </div>\n</body>\n</html>\n"
+      string: "<!DOCTYPE html>\n<html>\n<head>\n  <title>The page you were looking\
+        \ for doesn't exist (404)</title>\n  <meta name=\"viewport\" content=\"width=device-width,initial-scale=1\"\
+        >\n  <style>\n  .rails-default-error-page {\n    background-color: #EFEFEF;\n\
+        \    color: #2E2F30;\n    text-align: center;\n    font-family: arial, sans-serif;\n\
+        \    margin: 0;\n  }\n\n  .rails-default-error-page div.dialog {\n    width:\
+        \ 95%;\n    max-width: 33em;\n    margin: 4em auto 0;\n  }\n\n  .rails-default-error-page\
+        \ div.dialog > div {\n    border: 1px solid #CCC;\n    border-right-color:\
+        \ #999;\n    border-left-color: #999;\n    border-bottom-color: #BBB;\n  \
+        \  border-top: #B00100 solid 4px;\n    border-top-left-radius: 9px;\n    border-top-right-radius:\
+        \ 9px;\n    background-color: white;\n    padding: 7px 12% 0;\n    box-shadow:\
+        \ 0 3px 8px rgba(50, 50, 50, 0.17);\n  }\n\n  .rails-default-error-page h1\
+        \ {\n    font-size: 100%;\n    color: #730E15;\n    line-height: 1.5em;\n\
+        \  }\n\n  .rails-default-error-page div.dialog > p {\n    margin: 0 0 1em;\n\
+        \    padding: 1em;\n    background-color: #F7F7F7;\n    border: 1px solid\
+        \ #CCC;\n    border-right-color: #999;\n    border-left-color: #999;\n   \
+        \ border-bottom-color: #999;\n    border-bottom-left-radius: 4px;\n    border-bottom-right-radius:\
+        \ 4px;\n    border-top-color: #DADADA;\n    color: #666;\n    box-shadow:\
+        \ 0 3px 8px rgba(50, 50, 50, 0.17);\n  }\n  </style>\n</head>\n\n<body class=\"\
+        rails-default-error-page\">\n  <!-- This file lives in public/404.html -->\n\
+        \  <div class=\"dialog\">\n    <div>\n      <h1>The page you were looking\
+        \ for doesn't exist.</h1>\n      <p>You may have mistyped the address or the\
+        \ page may have moved.</p>\n    </div>\n    <p>If you are the application\
+        \ owner check the logs for more information.</p>\n  </div>\n</body>\n</html>\n"
     headers:
       Connection:
       - keep-alive
@@ -243,13 +331,84 @@ interactions:
       code: 404
       message: Not Found
 - request:
-    body: '{"version": "0.152.0", "batch_id": "2487456d-e03a-4eae-92a1-e9779e8f06a1", "user_context": {"user_id": "anonymous", "organization_id": "", "session_id": "57ab4cf7-915a-4d4e-b01d-3791f418dd39", "trace_id": "c780f111-40df-4c4b-ae88-b09c0f7e3276"}, "execution_metadata": {"crew_name": "Unknown Crew", "crewai_version": "0.152.0"}, "events": [{"event_id": "55b93497-f7f7-4c2e-baf9-eeec358cf90f", "timestamp": "2025-08-06T19:30:52.588780+00:00", "type": "llm_call_started", "event_data": {"timestamp": "2025-08-06T19:30:52.473897+00:00", "type": "llm_call_started", "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null, "task_name": null, "task_id": "020f12f8-4bcf-4e49-9bf9-d8fee70eaf6a", "agent_id": "126a2971-a630-405c-a0d9-72d2c46e8074", "agent_role": "Test Agent", "model": "gpt-4o-mini", "messages": [{"role": "system", "content": "You are Test Agent. Test backstory\nYour personal goal is: Test goal\nTo give my best complete final answer to the task respond using
-      the exact following format:\n\nThought: I now can give a great answer\n..."}, {"role": "user", "content": "\nCurrent Task: Say hello to the world\n\nThis is the expected criteria for your final answer: hello world\nyou MUST return the actual complete content as the final answer, not a summary.\n\nBegin! This is ..."}], "tools": null, "callbacks": ["<crewai.utilities.token_counter_callback.TokenCalcHandler object at 0x11c5860f0>"], "available_functions": null}}, {"event_id": "967e03f5-fc65-477f-a1ba-4614acbd0527", "timestamp": "2025-08-06T19:30:52.588932+00:00", "type": "llm_call_started", "event_data": {"timestamp": "2025-08-06T19:30:52.473897+00:00", "type": "llm_call_started", "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null, "task_name": null, "task_id": "020f12f8-4bcf-4e49-9bf9-d8fee70eaf6a", "agent_id": "126a2971-a630-405c-a0d9-72d2c46e8074", "agent_role": "Test Agent", "model": "gpt-4o-mini", "messages": [{"role": "system", "content": "You are Test
-      Agent. Test backstory\nYour personal goal is: Test goal\nTo give my best complete final answer to the task respond using the exact following format:\n\nThought: I now can give a great answer\n..."}, {"role": "user", "content": "\nCurrent Task: Say hello to the world\n\nThis is the expected criteria for your final answer: hello world\nyou MUST return the actual complete content as the final answer, not a summary.\n\nBegin! This is ..."}], "tools": null, "callbacks": ["<crewai.utilities.token_counter_callback.TokenCalcHandler object at 0x11c5860f0>"], "available_functions": null}}, {"event_id": "f67f33c0-f9ac-450e-987e-bb48880b9b69", "timestamp": "2025-08-06T19:30:52.597813+00:00", "type": "llm_call_completed", "event_data": {"timestamp": "2025-08-06T19:30:52.597748+00:00", "type": "llm_call_completed", "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null, "task_name": null, "task_id": "020f12f8-4bcf-4e49-9bf9-d8fee70eaf6a", "agent_id": "126a2971-a630-405c-a0d9-72d2c46e8074",
-      "agent_role": "Test Agent", "messages": [{"role": "system", "content": "You are Test Agent. Test backstory\nYour personal goal is: Test goal\nTo give my best complete final answer to the task respond using the exact following format:\n\nThought: I now can give a great answer\n..."}, {"role": "user", "content": "\nCurrent Task: Say hello to the world\n\nThis is the expected criteria for your final answer: hello world\nyou MUST return the actual complete content as the final answer, not a summary.\n\nBegin! This is ..."}], "response": "I now can give a great answer  \nFinal Answer: hello world", "call_type": "<LLMCallType.LLM_CALL: ''llm_call''>", "response_cost": 3.135e-05, "model": "gpt-4o-mini"}}, {"event_id": "0868106f-9491-4214-9674-4f9c5621875b", "timestamp": "2025-08-06T19:30:52.597885+00:00", "type": "llm_call_completed", "event_data": {"timestamp": "2025-08-06T19:30:52.597748+00:00", "type": "llm_call_completed", "source_fingerprint": null, "source_type": null, "fingerprint_metadata":
-      null, "task_name": null, "task_id": "020f12f8-4bcf-4e49-9bf9-d8fee70eaf6a", "agent_id": "126a2971-a630-405c-a0d9-72d2c46e8074", "agent_role": "Test Agent", "messages": [{"role": "system", "content": "You are Test Agent. Test backstory\nYour personal goal is: Test goal\nTo give my best complete final answer to the task respond using the exact following format:\n\nThought: I now can give a great answer\n..."}, {"role": "user", "content": "\nCurrent Task: Say hello to the world\n\nThis is the expected criteria for your final answer: hello world\nyou MUST return the actual complete content as the final answer, not a summary.\n\nBegin! This is ..."}], "response": "I now can give a great answer  \nFinal Answer: hello world", "call_type": "<LLMCallType.LLM_CALL: ''llm_call''>", "response_cost": 3.135e-05, "model": "gpt-4o-mini"}}, {"event_id": "4b68fa53-1829-4201-bfa2-9364dbd8fc51", "timestamp": "2025-08-06T19:30:52.598054+00:00", "type": "agent_execution_completed", "event_data": {"serialization_error":
-      "Circular reference detected (id repeated)", "object_type": "AgentExecutionCompletedEvent"}}, {"event_id": "264a2a9a-c234-45f2-8021-5e4b1b7c4c98", "timestamp": "2025-08-06T19:30:52.598224+00:00", "type": "agent_execution_completed", "event_data": {"serialization_error": "Circular reference detected (id repeated)", "object_type": "AgentExecutionCompletedEvent"}}, {"event_id": "b8b7f244-e2c0-4cac-9411-0efab7b9936a", "timestamp": "2025-08-06T19:30:52.598372+00:00", "type": "task_completed", "event_data": {"serialization_error": "Circular reference detected (id repeated)", "object_type": "TaskCompletedEvent"}}, {"event_id": "c15489a3-31af-48bb-8f32-cb3c3f46f7b9", "timestamp": "2025-08-06T19:30:52.598416+00:00", "type": "task_completed", "event_data": {"serialization_error": "Circular reference detected (id repeated)", "object_type": "TaskCompletedEvent"}}, {"event_id": "6806c6bd-1399-4261-aa23-5b6166c2ab31", "timestamp": "2025-08-06T19:30:52.601018+00:00", "type": "crew_kickoff_completed",
-      "event_data": {"timestamp": "2025-08-06T19:30:52.600994+00:00", "type": "crew_kickoff_completed", "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null, "crew_name": "crew", "crew": null, "output": {"description": "Say hello to the world", "name": null, "expected_output": "hello world", "summary": "Say hello to the world...", "raw": "hello world", "pydantic": null, "json_dict": null, "agent": "Test Agent", "output_format": "raw"}, "total_tokens": 170}}]}'
+    body: '{"version": "0.152.0", "batch_id": "2487456d-e03a-4eae-92a1-e9779e8f06a1",
+      "user_context": {"user_id": "anonymous", "organization_id": "", "session_id":
+      "57ab4cf7-915a-4d4e-b01d-3791f418dd39", "trace_id": "c780f111-40df-4c4b-ae88-b09c0f7e3276"},
+      "execution_metadata": {"crew_name": "Unknown Crew", "crewai_version": "0.152.0"},
+      "events": [{"event_id": "55b93497-f7f7-4c2e-baf9-eeec358cf90f", "timestamp":
+      "2025-08-06T19:30:52.588780+00:00", "type": "llm_call_started", "event_data":
+      {"timestamp": "2025-08-06T19:30:52.473897+00:00", "type": "llm_call_started",
+      "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null,
+      "task_name": null, "task_id": "020f12f8-4bcf-4e49-9bf9-d8fee70eaf6a", "agent_id":
+      "126a2971-a630-405c-a0d9-72d2c46e8074", "agent_role": "Test Agent", "model":
+      "gpt-4o-mini", "messages": [{"role": "system", "content": "You are Test Agent.
+      Test backstory\nYour personal goal is: Test goal\nTo give my best complete final
+      answer to the task respond using the exact following format:\n\nThought: I now
+      can give a great answer\n..."}, {"role": "user", "content": "\nCurrent Task:
+      Say hello to the world\n\nThis is the expected criteria for your final answer:
+      hello world\nyou MUST return the actual complete content as the final answer,
+      not a summary.\n\nBegin! This is ..."}], "tools": null, "callbacks": ["<crewai.utilities.token_counter_callback.TokenCalcHandler
+      object at 0x11c5860f0>"], "available_functions": null}}, {"event_id": "967e03f5-fc65-477f-a1ba-4614acbd0527",
+      "timestamp": "2025-08-06T19:30:52.588932+00:00", "type": "llm_call_started",
+      "event_data": {"timestamp": "2025-08-06T19:30:52.473897+00:00", "type": "llm_call_started",
+      "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null,
+      "task_name": null, "task_id": "020f12f8-4bcf-4e49-9bf9-d8fee70eaf6a", "agent_id":
+      "126a2971-a630-405c-a0d9-72d2c46e8074", "agent_role": "Test Agent", "model":
+      "gpt-4o-mini", "messages": [{"role": "system", "content": "You are Test Agent.
+      Test backstory\nYour personal goal is: Test goal\nTo give my best complete final
+      answer to the task respond using the exact following format:\n\nThought: I now
+      can give a great answer\n..."}, {"role": "user", "content": "\nCurrent Task:
+      Say hello to the world\n\nThis is the expected criteria for your final answer:
+      hello world\nyou MUST return the actual complete content as the final answer,
+      not a summary.\n\nBegin! This is ..."}], "tools": null, "callbacks": ["<crewai.utilities.token_counter_callback.TokenCalcHandler
+      object at 0x11c5860f0>"], "available_functions": null}}, {"event_id": "f67f33c0-f9ac-450e-987e-bb48880b9b69",
+      "timestamp": "2025-08-06T19:30:52.597813+00:00", "type": "llm_call_completed",
+      "event_data": {"timestamp": "2025-08-06T19:30:52.597748+00:00", "type": "llm_call_completed",
+      "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null,
+      "task_name": null, "task_id": "020f12f8-4bcf-4e49-9bf9-d8fee70eaf6a", "agent_id":
+      "126a2971-a630-405c-a0d9-72d2c46e8074", "agent_role": "Test Agent", "messages":
+      [{"role": "system", "content": "You are Test Agent. Test backstory\nYour personal
+      goal is: Test goal\nTo give my best complete final answer to the task respond
+      using the exact following format:\n\nThought: I now can give a great answer\n..."},
+      {"role": "user", "content": "\nCurrent Task: Say hello to the world\n\nThis
+      is the expected criteria for your final answer: hello world\nyou MUST return
+      the actual complete content as the final answer, not a summary.\n\nBegin! This
+      is ..."}], "response": "I now can give a great answer  \nFinal Answer: hello
+      world", "call_type": "<LLMCallType.LLM_CALL: ''llm_call''>", "response_cost":
+      3.135e-05, "model": "gpt-4o-mini"}}, {"event_id": "0868106f-9491-4214-9674-4f9c5621875b",
+      "timestamp": "2025-08-06T19:30:52.597885+00:00", "type": "llm_call_completed",
+      "event_data": {"timestamp": "2025-08-06T19:30:52.597748+00:00", "type": "llm_call_completed",
+      "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null,
+      "task_name": null, "task_id": "020f12f8-4bcf-4e49-9bf9-d8fee70eaf6a", "agent_id":
+      "126a2971-a630-405c-a0d9-72d2c46e8074", "agent_role": "Test Agent", "messages":
+      [{"role": "system", "content": "You are Test Agent. Test backstory\nYour personal
+      goal is: Test goal\nTo give my best complete final answer to the task respond
+      using the exact following format:\n\nThought: I now can give a great answer\n..."},
+      {"role": "user", "content": "\nCurrent Task: Say hello to the world\n\nThis
+      is the expected criteria for your final answer: hello world\nyou MUST return
+      the actual complete content as the final answer, not a summary.\n\nBegin! This
+      is ..."}], "response": "I now can give a great answer  \nFinal Answer: hello
+      world", "call_type": "<LLMCallType.LLM_CALL: ''llm_call''>", "response_cost":
+      3.135e-05, "model": "gpt-4o-mini"}}, {"event_id": "4b68fa53-1829-4201-bfa2-9364dbd8fc51",
+      "timestamp": "2025-08-06T19:30:52.598054+00:00", "type": "agent_execution_completed",
+      "event_data": {"serialization_error": "Circular reference detected (id repeated)",
+      "object_type": "AgentExecutionCompletedEvent"}}, {"event_id": "264a2a9a-c234-45f2-8021-5e4b1b7c4c98",
+      "timestamp": "2025-08-06T19:30:52.598224+00:00", "type": "agent_execution_completed",
+      "event_data": {"serialization_error": "Circular reference detected (id repeated)",
+      "object_type": "AgentExecutionCompletedEvent"}}, {"event_id": "b8b7f244-e2c0-4cac-9411-0efab7b9936a",
+      "timestamp": "2025-08-06T19:30:52.598372+00:00", "type": "task_completed", "event_data":
+      {"serialization_error": "Circular reference detected (id repeated)", "object_type":
+      "TaskCompletedEvent"}}, {"event_id": "c15489a3-31af-48bb-8f32-cb3c3f46f7b9",
+      "timestamp": "2025-08-06T19:30:52.598416+00:00", "type": "task_completed", "event_data":
+      {"serialization_error": "Circular reference detected (id repeated)", "object_type":
+      "TaskCompletedEvent"}}, {"event_id": "6806c6bd-1399-4261-aa23-5b6166c2ab31",
+      "timestamp": "2025-08-06T19:30:52.601018+00:00", "type": "crew_kickoff_completed",
+      "event_data": {"timestamp": "2025-08-06T19:30:52.600994+00:00", "type": "crew_kickoff_completed",
+      "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null,
+      "crew_name": "crew", "crew": null, "output": {"description": "Say hello to the
+      world", "name": null, "expected_output": "hello world", "summary": "Say hello
+      to the world...", "raw": "hello world", "pydantic": null, "json_dict": null,
+      "agent": "Test Agent", "output_format": "raw"}, "total_tokens": 170}}]}'
     headers:
       Accept:
       - '*/*'
@@ -271,8 +430,29 @@ interactions:
     uri: https://app.crewai.com/crewai_plus/api/v1/tracing
   response:
     body:
-      string: "<!DOCTYPE html>\n<html>\n<head>\n  <title>The page you were looking for doesn't exist (404)</title>\n  <meta name=\"viewport\" content=\"width=device-width,initial-scale=1\">\n  <style>\n  .rails-default-error-page {\n    background-color: #EFEFEF;\n    color: #2E2F30;\n    text-align: center;\n    font-family: arial, sans-serif;\n    margin: 0;\n  }\n\n  .rails-default-error-page div.dialog {\n    width: 95%;\n    max-width: 33em;\n    margin: 4em auto 0;\n  }\n\n  .rails-default-error-page div.dialog > div {\n    border: 1px solid #CCC;\n    border-right-color: #999;\n    border-left-color: #999;\n    border-bottom-color: #BBB;\n    border-top: #B00100 solid 4px;\n    border-top-left-radius: 9px;\n    border-top-right-radius: 9px;\n    background-color: white;\n    padding: 7px 12% 0;\n    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);\n  }\n\n  .rails-default-error-page h1 {\n    font-size: 100%;\n    color: #730E15;\n    line-height: 1.5em;\n  }\n\n  .rails-default-error-page\
-        \ div.dialog > p {\n    margin: 0 0 1em;\n    padding: 1em;\n    background-color: #F7F7F7;\n    border: 1px solid #CCC;\n    border-right-color: #999;\n    border-left-color: #999;\n    border-bottom-color: #999;\n    border-bottom-left-radius: 4px;\n    border-bottom-right-radius: 4px;\n    border-top-color: #DADADA;\n    color: #666;\n    box-shadow: 0 3px 8px rgba(50, 50, 50, 0.17);\n  }\n  </style>\n</head>\n\n<body class=\"rails-default-error-page\">\n  <!-- This file lives in public/404.html -->\n  <div class=\"dialog\">\n    <div>\n      <h1>The page you were looking for doesn't exist.</h1>\n      <p>You may have mistyped the address or the page may have moved.</p>\n    </div>\n    <p>If you are the application owner check the logs for more information.</p>\n  </div>\n</body>\n</html>\n"
+      string: "<!DOCTYPE html>\n<html>\n<head>\n  <title>The page you were looking\
+        \ for doesn't exist (404)</title>\n  <meta name=\"viewport\" content=\"width=device-width,initial-scale=1\"\
+        >\n  <style>\n  .rails-default-error-page {\n    background-color: #EFEFEF;\n\
+        \    color: #2E2F30;\n    text-align: center;\n    font-family: arial, sans-serif;\n\
+        \    margin: 0;\n  }\n\n  .rails-default-error-page div.dialog {\n    width:\
+        \ 95%;\n    max-width: 33em;\n    margin: 4em auto 0;\n  }\n\n  .rails-default-error-page\
+        \ div.dialog > div {\n    border: 1px solid #CCC;\n    border-right-color:\
+        \ #999;\n    border-left-color: #999;\n    border-bottom-color: #BBB;\n  \
+        \  border-top: #B00100 solid 4px;\n    border-top-left-radius: 9px;\n    border-top-right-radius:\
+        \ 9px;\n    background-color: white;\n    padding: 7px 12% 0;\n    box-shadow:\
+        \ 0 3px 8px rgba(50, 50, 50, 0.17);\n  }\n\n  .rails-default-error-page h1\
+        \ {\n    font-size: 100%;\n    color: #730E15;\n    line-height: 1.5em;\n\
+        \  }\n\n  .rails-default-error-page div.dialog > p {\n    margin: 0 0 1em;\n\
+        \    padding: 1em;\n    background-color: #F7F7F7;\n    border: 1px solid\
+        \ #CCC;\n    border-right-color: #999;\n    border-left-color: #999;\n   \
+        \ border-bottom-color: #999;\n    border-bottom-left-radius: 4px;\n    border-bottom-right-radius:\
+        \ 4px;\n    border-top-color: #DADADA;\n    color: #666;\n    box-shadow:\
+        \ 0 3px 8px rgba(50, 50, 50, 0.17);\n  }\n  </style>\n</head>\n\n<body class=\"\
+        rails-default-error-page\">\n  <!-- This file lives in public/404.html -->\n\
+        \  <div class=\"dialog\">\n    <div>\n      <h1>The page you were looking\
+        \ for doesn't exist.</h1>\n      <p>You may have mistyped the address or the\
+        \ page may have moved.</p>\n    </div>\n    <p>If you are the application\
+        \ owner check the logs for more information.</p>\n  </div>\n</body>\n</html>\n"
     headers:
       Connection:
       - keep-alive
diff --git a/lib/crewai/tests/cassettes/tracing/TestTraceListenerSetup.test_trace_listener_ephemeral_batch.yaml b/lib/crewai/tests/cassettes/tracing/TestTraceListenerSetup.test_trace_listener_ephemeral_batch.yaml
index ffd427b8e..b1092e35b 100644
--- a/lib/crewai/tests/cassettes/tracing/TestTraceListenerSetup.test_trace_listener_ephemeral_batch.yaml
+++ b/lib/crewai/tests/cassettes/tracing/TestTraceListenerSetup.test_trace_listener_ephemeral_batch.yaml
@@ -1,6 +1,29 @@
 interactions:
 - request:
-    body: '{"trace_id": "8356baf7-abbe-446a-9668-a63d501765d0", "execution_type": "crew", "user_identifier": null, "execution_context": {"crew_fingerprint": null, "crew_name": "crew", "flow_name": null, "crewai_version": "1.6.0", "privacy_level": "standard"}, "execution_metadata": {"expected_duration_estimate": 300, "agent_count": 0, "task_count": 0, "flow_method_count": 0, "execution_started_at": "2025-11-29T03:12:24.775214+00:00"}, "ephemeral_trace_id": "8356baf7-abbe-446a-9668-a63d501765d0"}'
+    body: '{}'
+    headers:
+      accept:
+      - application/json
+      content-type:
+      - application/json
+    method: POST
+    uri: https://fake.crewai.com/crewai_plus/api/v1/tracing/ephemeral/batches
+  response:
+    body:
+      string: '{"trace_id":"test-trace-id-12345","ephemeral_trace_id":"test-ephemeral-id-12345","status":"initialized"}'
+    headers:
+      Content-Type:
+      - application/json
+    status:
+      code: 200
+      message: OK
+- request:
+    body: '{"trace_id": "8356baf7-abbe-446a-9668-a63d501765d0", "execution_type":
+      "crew", "user_identifier": null, "execution_context": {"crew_fingerprint": null,
+      "crew_name": "crew", "flow_name": null, "crewai_version": "1.6.0", "privacy_level":
+      "standard"}, "execution_metadata": {"expected_duration_estimate": 300, "agent_count":
+      0, "task_count": 0, "flow_method_count": 0, "execution_started_at": "2025-11-29T03:12:24.775214+00:00"},
+      "ephemeral_trace_id": "8356baf7-abbe-446a-9668-a63d501765d0"}'
     headers:
       Accept:
       - '*/*'
@@ -66,7 +89,16 @@ interactions:
       code: 201
       message: Created
 - request:
-    body: '{"messages":[{"role":"system","content":"You are Test Agent. Test backstory\nYour personal goal is: Test goal\nTo give my best complete final answer to the task respond using the exact following format:\n\nThought: I now can give a great answer\nFinal Answer: Your final answer must be the great and the most complete as possible, it must be outcome described.\n\nI MUST use these formats, my job depends on it!"},{"role":"user","content":"\nCurrent Task: Say hello to the world\n\nThis is the expected criteria for your final answer: hello world\nyou MUST return the actual complete content as the final answer, not a summary.\n\nBegin! This is VERY important to you, use the tools available and give your best Final Answer, your job depends on it!\n\nThought:"}],"model":"gpt-4o-mini"}'
+    body: '{"messages":[{"role":"system","content":"You are Test Agent. Test backstory\nYour
+      personal goal is: Test goal\nTo give my best complete final answer to the task
+      respond using the exact following format:\n\nThought: I now can give a great
+      answer\nFinal Answer: Your final answer must be the great and the most complete
+      as possible, it must be outcome described.\n\nI MUST use these formats, my job
+      depends on it!"},{"role":"user","content":"\nCurrent Task: Say hello to the
+      world\n\nThis is the expected criteria for your final answer: hello world\nyou
+      MUST return the actual complete content as the final answer, not a summary.\n\nBegin!
+      This is VERY important to you, use the tools available and give your best Final
+      Answer, your job depends on it!\n\nThought:"}],"model":"gpt-4o-mini"}'
     headers:
       accept:
       - application/json
@@ -106,7 +138,19 @@ interactions:
     uri: https://api.openai.com/v1/chat/completions
   response:
     body:
-      string: "{\n  \"id\": \"chatcmpl-Ch5flaLDqIqyRdYlrrvZ3Pu6emSal\",\n  \"object\": \"chat.completion\",\n  \"created\": 1764385945,\n  \"model\": \"gpt-4o-mini-2024-07-18\",\n  \"choices\": [\n    {\n      \"index\": 0,\n      \"message\": {\n        \"role\": \"assistant\",\n        \"content\": \"I now can give a great answer  \\nFinal Answer: hello world\",\n        \"refusal\": null,\n        \"annotations\": []\n      },\n      \"logprobs\": null,\n      \"finish_reason\": \"stop\"\n    }\n  ],\n  \"usage\": {\n    \"prompt_tokens\": 157,\n    \"completion_tokens\": 13,\n    \"total_tokens\": 170,\n    \"prompt_tokens_details\": {\n      \"cached_tokens\": 0,\n      \"audio_tokens\": 0\n    },\n    \"completion_tokens_details\": {\n      \"reasoning_tokens\": 0,\n      \"audio_tokens\": 0,\n      \"accepted_prediction_tokens\": 0,\n      \"rejected_prediction_tokens\": 0\n    }\n  },\n  \"service_tier\": \"default\",\n  \"system_fingerprint\": \"fp_560af6e559\"\n}\n"
+      string: "{\n  \"id\": \"chatcmpl-Ch5flaLDqIqyRdYlrrvZ3Pu6emSal\",\n  \"object\"\
+        : \"chat.completion\",\n  \"created\": 1764385945,\n  \"model\": \"gpt-4o-mini-2024-07-18\"\
+        ,\n  \"choices\": [\n    {\n      \"index\": 0,\n      \"message\": {\n  \
+        \      \"role\": \"assistant\",\n        \"content\": \"I now can give a great\
+        \ answer  \\nFinal Answer: hello world\",\n        \"refusal\": null,\n  \
+        \      \"annotations\": []\n      },\n      \"logprobs\": null,\n      \"\
+        finish_reason\": \"stop\"\n    }\n  ],\n  \"usage\": {\n    \"prompt_tokens\"\
+        : 157,\n    \"completion_tokens\": 13,\n    \"total_tokens\": 170,\n    \"\
+        prompt_tokens_details\": {\n      \"cached_tokens\": 0,\n      \"audio_tokens\"\
+        : 0\n    },\n    \"completion_tokens_details\": {\n      \"reasoning_tokens\"\
+        : 0,\n      \"audio_tokens\": 0,\n      \"accepted_prediction_tokens\": 0,\n\
+        \      \"rejected_prediction_tokens\": 0\n    }\n  },\n  \"service_tier\"\
+        : \"default\",\n  \"system_fingerprint\": \"fp_560af6e559\"\n}\n"
     headers:
       CF-RAY:
       - CF-RAY-XXX
@@ -168,12 +212,80 @@ interactions:
       code: 200
       message: OK
 - request:
-    body: '{"events": [{"event_id": "e73c85bb-b00f-46be-b07f-cfbd398e24d9", "timestamp": "2025-11-29T03:12:24.774266+00:00", "type": "crew_kickoff_started", "event_data": {"timestamp": "2025-11-29T03:12:24.774266+00:00", "type": "crew_kickoff_started", "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null, "task_id": null, "task_name": null, "agent_id": null, "agent_role": null, "crew_name": "crew", "crew": null, "inputs": null}}, {"event_id": "8d1cdbd9-17a6-499b-a0f7-66daad11da4f", "timestamp": "2025-11-29T03:12:24.776776+00:00", "type": "agent_execution_started", "event_data": {"agent_role": "Test Agent", "agent_goal": "Test goal", "agent_backstory": "Test backstory"}}, {"event_id": "8d7964bd-5e3a-4089-a792-8c63b5b3df8a", "timestamp": "2025-11-29T03:12:24.776973+00:00", "type": "llm_call_started", "event_data": {"timestamp": "2025-11-29T03:12:24.776973+00:00", "type": "llm_call_started", "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null,
-      "task_id": "2b5b469c-61f1-4439-bb50-1bb59a539305", "task_name": "Say hello to the world", "agent_id": "589d6b85-044a-4df7-b0b9-e4aafeb642a9", "agent_role": "Test Agent", "from_task": null, "from_agent": null, "model": "gpt-4o-mini", "messages": [{"role": "system", "content": "You are Test Agent. Test backstory\nYour personal goal is: Test goal\nTo give my best complete final answer to the task respond using the exact following format:\n\nThought: I now can give a great answer\nFinal Answer: Your final answer must be the great and the most complete as possible, it must be outcome described.\n\nI MUST use these formats, my job depends on it!"}, {"role": "user", "content": "\nCurrent Task: Say hello to the world\n\nThis is the expected criteria for your final answer: hello world\nyou MUST return the actual complete content as the final answer, not a summary.\n\nBegin! This is VERY important to you, use the tools available and give your best Final Answer, your job depends on it!\n\nThought:"}],
-      "tools": null, "callbacks": ["<crewai.utilities.token_counter_callback.TokenCalcHandler object at 0x10f2ac5f0>"], "available_functions": null}}, {"event_id": "3d4ec456-f3e3-4dc5-93a1-ac42a5baa307", "timestamp": "2025-11-29T03:12:26.197379+00:00", "type": "llm_call_completed", "event_data": {"timestamp": "2025-11-29T03:12:26.197379+00:00", "type": "llm_call_completed", "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null, "task_id": "2b5b469c-61f1-4439-bb50-1bb59a539305", "task_name": "Say hello to the world", "agent_id": "589d6b85-044a-4df7-b0b9-e4aafeb642a9", "agent_role": "Test Agent", "from_task": null, "from_agent": null, "messages": [{"role": "system", "content": "You are Test Agent. Test backstory\nYour personal goal is: Test goal\nTo give my best complete final answer to the task respond using the exact following format:\n\nThought: I now can give a great answer\nFinal Answer: Your final answer must be the great and the most complete as possible, it
-      must be outcome described.\n\nI MUST use these formats, my job depends on it!"}, {"role": "user", "content": "\nCurrent Task: Say hello to the world\n\nThis is the expected criteria for your final answer: hello world\nyou MUST return the actual complete content as the final answer, not a summary.\n\nBegin! This is VERY important to you, use the tools available and give your best Final Answer, your job depends on it!\n\nThought:"}], "response": "I now can give a great answer  \nFinal Answer: hello world", "call_type": "<LLMCallType.LLM_CALL: ''llm_call''>", "model": "gpt-4o-mini"}}, {"event_id": "b3621b9b-6034-4ed7-8ea8-435a6359e733", "timestamp": "2025-11-29T03:12:26.197544+00:00", "type": "agent_execution_completed", "event_data": {"agent_role": "Test Agent", "agent_goal": "Test goal", "agent_backstory": "Test backstory"}}, {"event_id": "d0802db5-cb55-4913-ad79-deed426b286b", "timestamp": "2025-11-29T03:12:26.197674+00:00", "type": "task_completed", "event_data": {"task_description":
-      "Say hello to the world", "task_name": "Say hello to the world", "task_id": "2b5b469c-61f1-4439-bb50-1bb59a539305", "output_raw": "hello world", "output_format": "OutputFormat.RAW", "agent_role": "Test Agent"}}, {"event_id": "5dd064ff-f773-4fca-b3d9-624dde505177", "timestamp": "2025-11-29T03:12:26.199670+00:00", "type": "crew_kickoff_completed", "event_data": {"timestamp": "2025-11-29T03:12:26.199670+00:00", "type": "crew_kickoff_completed", "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null, "task_id": null, "task_name": null, "agent_id": null, "agent_role": null, "crew_name": "crew", "crew": null, "output": {"description": "Say hello to the world", "name": "Say hello to the world", "expected_output": "hello world", "summary": "Say hello to the world...", "raw": "hello world", "pydantic": null, "json_dict": null, "agent": "Test Agent", "output_format": "raw", "messages": [{"role": "''system''", "content": "''You are Test Agent. Test backstory\\nYour personal
-      goal is: Test goal\\nTo give my best complete final answer to the task respond using the exact following format:\\n\\nThought: I now can give a great answer\\nFinal Answer: Your final answer must be the great and the most complete as possible, it must be outcome described.\\n\\nI MUST use these formats, my job depends on it!''"}, {"role": "''user''", "content": "''\\nCurrent Task: Say hello to the world\\n\\nThis is the expected criteria for your final answer: hello world\\nyou MUST return the actual complete content as the final answer, not a summary.\\n\\nBegin! This is VERY important to you, use the tools available and give your best Final Answer, your job depends on it!\\n\\nThought:''"}, {"role": "''assistant''", "content": "''I now can give a great answer  \\nFinal Answer: hello world''"}]}, "total_tokens": 170}}], "batch_metadata": {"events_count": 7, "batch_sequence": 1, "is_final_batch": false}}'
+    body: '{"events": [{"event_id": "e73c85bb-b00f-46be-b07f-cfbd398e24d9", "timestamp":
+      "2025-11-29T03:12:24.774266+00:00", "type": "crew_kickoff_started", "event_data":
+      {"timestamp": "2025-11-29T03:12:24.774266+00:00", "type": "crew_kickoff_started",
+      "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null,
+      "task_id": null, "task_name": null, "agent_id": null, "agent_role": null, "crew_name":
+      "crew", "crew": null, "inputs": null}}, {"event_id": "8d1cdbd9-17a6-499b-a0f7-66daad11da4f",
+      "timestamp": "2025-11-29T03:12:24.776776+00:00", "type": "agent_execution_started",
+      "event_data": {"agent_role": "Test Agent", "agent_goal": "Test goal", "agent_backstory":
+      "Test backstory"}}, {"event_id": "8d7964bd-5e3a-4089-a792-8c63b5b3df8a", "timestamp":
+      "2025-11-29T03:12:24.776973+00:00", "type": "llm_call_started", "event_data":
+      {"timestamp": "2025-11-29T03:12:24.776973+00:00", "type": "llm_call_started",
+      "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null,
+      "task_id": "2b5b469c-61f1-4439-bb50-1bb59a539305", "task_name": "Say hello to
+      the world", "agent_id": "589d6b85-044a-4df7-b0b9-e4aafeb642a9", "agent_role":
+      "Test Agent", "from_task": null, "from_agent": null, "model": "gpt-4o-mini",
+      "messages": [{"role": "system", "content": "You are Test Agent. Test backstory\nYour
+      personal goal is: Test goal\nTo give my best complete final answer to the task
+      respond using the exact following format:\n\nThought: I now can give a great
+      answer\nFinal Answer: Your final answer must be the great and the most complete
+      as possible, it must be outcome described.\n\nI MUST use these formats, my job
+      depends on it!"}, {"role": "user", "content": "\nCurrent Task: Say hello to
+      the world\n\nThis is the expected criteria for your final answer: hello world\nyou
+      MUST return the actual complete content as the final answer, not a summary.\n\nBegin!
+      This is VERY important to you, use the tools available and give your best Final
+      Answer, your job depends on it!\n\nThought:"}], "tools": null, "callbacks":
+      ["<crewai.utilities.token_counter_callback.TokenCalcHandler object at 0x10f2ac5f0>"],
+      "available_functions": null}}, {"event_id": "3d4ec456-f3e3-4dc5-93a1-ac42a5baa307",
+      "timestamp": "2025-11-29T03:12:26.197379+00:00", "type": "llm_call_completed",
+      "event_data": {"timestamp": "2025-11-29T03:12:26.197379+00:00", "type": "llm_call_completed",
+      "source_fingerprint": null, "source_type": null, "fingerprint_metadata": null,
+      "task_id": "2b5b469c-61f1-4439-bb50-1bb59a539305", "task_name": "Say hello to
+      the world", "agent_id": "589d6b85-044a-4df7-b0b9-e4aafeb642a9", "agent_role":
+      "Test Agent", "from_task": null, "from_agent": null, "messages": [{"role": "system",
+      "content": "You are Test Agent. Test backstory\nYour personal goal is: Test
+      goal\nTo give my best complete final answer to the task respond using the exact
+      following format:\n\nThought: I now can give a great answer\nFinal Answer: Your
+      final answer must be the great and the most complete as possible, it must be
+      outcome described.\n\nI MUST use these formats, my job depends on it!"}, {"role":
+      "user", "content": "\nCurrent Task: Say hello to the world\n\nThis is the expected
+      criteria for your final answer: hello world\nyou MUST return the actual complete
+      content as the final answer, not a summary.\n\nBegin! This is VERY important
+      to you, use the tools available and give your best Final Answer, your job depends
+      on it!\n\nThought:"}], "response": "I now can give a great answer  \nFinal Answer:
+      hello world", "call_type": "<LLMCallType.LLM_CALL: ''llm_call''>", "model":
+      "gpt-4o-mini"}}, {"event_id": "b3621b9b-6034-4ed7-8ea8-435a6359e733", "timestamp":
+      "2025-11-29T03:12:26.197544+00:00", "type": "agent_execution_completed", "event_data":
+      {"agent_role": "Test Agent", "agent_goal": "Test goal", "agent_backstory": "Test
+      backstory"}}, {"event_id": "d0802db5-cb55-4913-ad79-deed426b286b", "timestamp":
+      "2025-11-29T03:12:26.197674+00:00", "type": "task_completed", "event_data":
+      {"task_description": "Say hello to the world", "task_name": "Say hello to the
+      world", "task_id": "2b5b469c-61f1-4439-bb50-1bb59a539305", "output_raw": "hello
+      world", "output_format": "OutputFormat.RAW", "agent_role": "Test Agent"}}, {"event_id":
+      "5dd064ff-f773-4fca-b3d9-624dde505177", "timestamp": "2025-11-29T03:12:26.199670+00:00",
+      "type": "crew_kickoff_completed", "event_data": {"timestamp": "2025-11-29T03:12:26.199670+00:00",
+      "type": "crew_kickoff_completed", "source_fingerprint": null, "source_type":
+      null, "fingerprint_metadata": null, "task_id": null, "task_name": null, "agent_id":
+      null, "agent_role": null, "crew_name": "crew", "crew": null, "output": {"description":
+      "Say hello to the world", "name": "Say hello to the world", "expected_output":
+      "hello world", "summary": "Say hello to the world...", "raw": "hello world",
+      "pydantic": null, "json_dict": null, "agent": "Test Agent", "output_format":
+      "raw", "messages": [{"role": "''system''", "content": "''You are Test Agent.
+      Test backstory\\nYour personal goal is: Test goal\\nTo give my best complete
+      final answer to the task respond using the exact following format:\\n\\nThought:
+      I now can give a great answer\\nFinal Answer: Your final answer must be the
+      great and the most complete as possible, it must be outcome described.\\n\\nI
+      MUST use these formats, my job depends on it!''"}, {"role": "''user''", "content":
+      "''\\nCurrent Task: Say hello to the world\\n\\nThis is the expected criteria
+      for your final answer: hello world\\nyou MUST return the actual complete content
+      as the final answer, not a summary.\\n\\nBegin! This is VERY important to you,
+      use the tools available and give your best Final Answer, your job depends on
+      it!\\n\\nThought:''"}, {"role": "''assistant''", "content": "''I now can give
+      a great answer  \\nFinal Answer: hello world''"}]}, "total_tokens": 170}}],
+      "batch_metadata": {"events_count": 7, "batch_sequence": 1, "is_final_batch":
+      false}}'
     headers:
       Accept:
       - '*/*'
diff --git a/lib/crewai/tests/cassettes/tracing/TestTraceListenerSetup.test_trace_listener_with_authenticated_user.yaml b/lib/crewai/tests/cassettes/tracing/TestTraceListenerSetup.test_trace_listener_with_authenticated_user.yaml
index 7cdb413b4..aff3bee82 100644
--- a/lib/crewai/tests/cassettes/tracing/TestTraceListenerSetup.test_trace_listener_with_authenticated_user.yaml
+++ b/lib/crewai/tests/cassettes/tracing/TestTraceListenerSetup.test_trace_listener_with_authenticated_user.yaml
@@ -1,6 +1,34 @@
 interactions:
 - request:
-    body: '{"messages": [{"role": "system", "content": "You are Test Agent. Test backstory\nYour personal goal is: Test goal\nTo give my best complete final answer to the task respond using the exact following format:\n\nThought: I now can give a great answer\nFinal Answer: Your final answer must be the great and the most complete as possible, it must be outcome described.\n\nI MUST use these formats, my job depends on it!"}, {"role": "user", "content": "\nCurrent Task: Say hello to the world\n\nThis is the expected criteria for your final answer: hello world\nyou MUST return the actual complete content as the final answer, not a summary.\n\nBegin! This is VERY important to you, use the tools available and give your best Final Answer, your job depends on it!\n\nThought:"}], "model": "gpt-4o-mini", "stop": ["\nObservation:"]}'
+    body: '{}'
+    headers:
+      accept:
+      - application/json
+      content-type:
+      - application/json
+    method: POST
+    uri: https://fake.crewai.com/crewai_plus/api/v1/tracing/batches
+  response:
+    body:
+      string: '{"trace_id":"test-trace-id-12345","ephemeral_trace_id":"test-ephemeral-id-12345","status":"initialized"}'
+    headers:
+      Content-Type:
+      - application/json
+    status:
+      code: 200
+      message: OK
+- request:
+    body: '{"messages": [{"role": "system", "content": "You are Test Agent. Test backstory\nYour
+      personal goal is: Test goal\nTo give my best complete final answer to the task
+      respond using the exact following format:\n\nThought: I now can give a great
+      answer\nFinal Answer: Your final answer must be the great and the most complete
+      as possible, it must be outcome described.\n\nI MUST use these formats, my job
+      depends on it!"}, {"role": "user", "content": "\nCurrent Task: Say hello to
+      the world\n\nThis is the expected criteria for your final answer: hello world\nyou
+      MUST return the actual complete content as the final answer, not a summary.\n\nBegin!
+      This is VERY important to you, use the tools available and give your best Final
+      Answer, your job depends on it!\n\nThought:"}], "model": "gpt-4o-mini", "stop":
+      ["\nObservation:"]}'
     headers:
       accept:
       - application/json
@@ -13,7 +41,8 @@ interactions:
       content-type:
       - application/json
       cookie:
-      - __cf_bm=oA9oTa3cE0ZaEUDRf0hCpnarSAQKzrVUhl6qDS4j09w-1755302115-1.0.1.1-gUUDl4ZqvBQkg7244DTwOmSiDUT2z_AiQu0P1xUaABjaufSpZuIlI5G0H7OSnW.ldypvpxjj45NGWesJ62M_2U7r20tHz_gMmDFw6D5ZiNc; _cfuvid=ICenEGMmOE5jaOjwD30bAOwrF8.XRbSIKTBl1EyWs0o-1755302115700-0.0.1.1-604800000
+      - __cf_bm=oA9oTa3cE0ZaEUDRf0hCpnarSAQKzrVUhl6qDS4j09w-1755302115-1.0.1.1-gUUDl4ZqvBQkg7244DTwOmSiDUT2z_AiQu0P1xUaABjaufSpZuIlI5G0H7OSnW.ldypvpxjj45NGWesJ62M_2U7r20tHz_gMmDFw6D5ZiNc;
+        _cfuvid=ICenEGMmOE5jaOjwD30bAOwrF8.XRbSIKTBl1EyWs0o-1755302115700-0.0.1.1-604800000
       host:
       - api.openai.com
       user-agent:
@@ -42,7 +71,19 @@ interactions:
     uri: https://api.openai.com/v1/chat/completions
   response:
     body:
-      string: "{\n  \"id\": \"chatcmpl-C4yYNqrSmM0fkSWqb4T6tcks2vwV3\",\n  \"object\": \"chat.completion\",\n  \"created\": 1755302115,\n  \"model\": \"gpt-4o-mini-2024-07-18\",\n  \"choices\": [\n    {\n      \"index\": 0,\n      \"message\": {\n        \"role\": \"assistant\",\n        \"content\": \"I now can give a great answer  \\nFinal Answer: hello world\",\n        \"refusal\": null,\n        \"annotations\": []\n      },\n      \"logprobs\": null,\n      \"finish_reason\": \"stop\"\n    }\n  ],\n  \"usage\": {\n    \"prompt_tokens\": 157,\n    \"completion_tokens\": 13,\n    \"total_tokens\": 170,\n    \"prompt_tokens_details\": {\n      \"cached_tokens\": 0,\n      \"audio_tokens\": 0\n    },\n    \"completion_tokens_details\": {\n      \"reasoning_tokens\": 0,\n      \"audio_tokens\": 0,\n      \"accepted_prediction_tokens\": 0,\n      \"rejected_prediction_tokens\": 0\n    }\n  },\n  \"service_tier\": \"default\",\n  \"system_fingerprint\": \"fp_560af6e559\"\n}\n"
+      string: "{\n  \"id\": \"chatcmpl-C4yYNqrSmM0fkSWqb4T6tcks2vwV3\",\n  \"object\"\
+        : \"chat.completion\",\n  \"created\": 1755302115,\n  \"model\": \"gpt-4o-mini-2024-07-18\"\
+        ,\n  \"choices\": [\n    {\n      \"index\": 0,\n      \"message\": {\n  \
+        \      \"role\": \"assistant\",\n        \"content\": \"I now can give a great\
+        \ answer  \\nFinal Answer: hello world\",\n        \"refusal\": null,\n  \
+        \      \"annotations\": []\n      },\n      \"logprobs\": null,\n      \"\
+        finish_reason\": \"stop\"\n    }\n  ],\n  \"usage\": {\n    \"prompt_tokens\"\
+        : 157,\n    \"completion_tokens\": 13,\n    \"total_tokens\": 170,\n    \"\
+        prompt_tokens_details\": {\n      \"cached_tokens\": 0,\n      \"audio_tokens\"\
+        : 0\n    },\n    \"completion_tokens_details\": {\n      \"reasoning_tokens\"\
+        : 0,\n      \"audio_tokens\": 0,\n      \"accepted_prediction_tokens\": 0,\n\
+        \      \"rejected_prediction_tokens\": 0\n    }\n  },\n  \"service_tier\"\
+        : \"default\",\n  \"system_fingerprint\": \"fp_560af6e559\"\n}\n"
     headers:
       CF-RAY:
       - 96fc9f301bf7cf1f-SJC