diff --git a/api/routes/public_agent.py b/api/routes/public_agent.py
index 45263534..2e6abf5d 100644
--- a/api/routes/public_agent.py
+++ b/api/routes/public_agent.py
@@ -320,7 +320,7 @@ async def _execute_resolved_target(
     # (e.g. Telnyx, Cloudonix); without them the URL contains "None/None" and
     # the stream connection fails.
     try:
-        await provider.initiate_call(
+        result = await provider.initiate_call(
             to_number=request.phone_number,
             webhook_url=webhook_url,
             workflow_run_id=workflow_run.id,
@@ -337,6 +337,25 @@ async def _execute_resolved_target(
             detail=f"Failed to initiate call: {e}",
         )
 
+    gathered_context = {
+        "provider": provider.PROVIDER_NAME,
+        "triggered_by": "api",
+        **(result.provider_metadata or {}),
+    }
+    if target.identifier_type == "trigger_path":
+        gathered_context["trigger_uuid"] = target.identifier_value
+
+    try:
+        await db_client.update_workflow_run(
+            run_id=workflow_run.id,
+            gathered_context=gathered_context,
+        )
+    except Exception as e:
+        logger.warning(
+            f"Call initiated for workflow run {workflow_run.id}, but failed to "
+            f"persist provider metadata: {e}"
+        )
+
     logger.info(
         f"Call initiated successfully for workflow run {workflow_run.id} "
         f"via {target.identifier_type}={target.identifier_value}"
diff --git a/api/services/configuration/registry.py b/api/services/configuration/registry.py
index bcb18911..aba0b7c7 100644
--- a/api/services/configuration/registry.py
+++ b/api/services/configuration/registry.py
@@ -1332,6 +1332,7 @@ class XAITTSConfiguration(BaseServiceConfiguration):
         description="BCP-47 language code for synthesis (e.g. 'en', 'fr', 'de'), or 'auto' for automatic language detection.",
         json_schema_extra={"allow_custom_input": True},
     )
+
     @computed_field
     @property
     def model(self) -> str:
diff --git a/api/tests/integrations/_run_pipeline_helpers.py b/api/tests/integrations/_run_pipeline_helpers.py
index 0d5ff6c8..90c8eb1a 100644
--- a/api/tests/integrations/_run_pipeline_helpers.py
+++ b/api/tests/integrations/_run_pipeline_helpers.py
@@ -236,6 +236,7 @@ async def create_workflow_run_rows(
         workflow_id=workflow.id,
         mode=WorkflowRunMode.SMALLWEBRTC.value,
         user_id=user.id,
+        definition_id=workflow.released_definition_id,
     )
 
     return workflow_run, user, workflow
diff --git a/api/tests/test_public_agent_routes.py b/api/tests/test_public_agent_routes.py
index 241f9865..1167fe1c 100644
--- a/api/tests/test_public_agent_routes.py
+++ b/api/tests/test_public_agent_routes.py
@@ -45,7 +45,14 @@ def _provider():
         PROVIDER_NAME="twilio",
         WEBHOOK_ENDPOINT="outbound",
         validate_config=Mock(return_value=True),
-        initiate_call=AsyncMock(),
+        initiate_call=AsyncMock(
+            return_value=SimpleNamespace(
+                call_id="CA123",
+                status="queued",
+                caller_number="+15550000000",
+                provider_metadata={"call_id": "CA123"},
+            )
+        ),
     )
 
 
@@ -96,6 +103,7 @@ def test_trigger_route_executes_as_workflow_owner():
             return_value=SimpleNamespace(id=55)
         )
         mock_db.create_workflow_run = AsyncMock(return_value=SimpleNamespace(id=501))
+        mock_db.update_workflow_run = AsyncMock()
 
         response = client.post(
             "/public/agent/trigger-uuid-123",
@@ -135,6 +143,15 @@ def test_trigger_route_executes_as_workflow_owner():
     assert initiate_kwargs["workflow_id"] == workflow.id
     # The media websocket URL is keyed on the org, not the workflow owner.
     assert initiate_kwargs["organization_id"] == workflow.organization_id
+    mock_db.update_workflow_run.assert_awaited_once_with(
+        run_id=501,
+        gathered_context={
+            "provider": "twilio",
+            "triggered_by": "api",
+            "call_id": "CA123",
+            "trigger_uuid": "trigger-uuid-123",
+        },
+    )
 
 
 def test_workflow_uuid_route_uses_scoped_lookup_and_shared_execution():
@@ -177,6 +194,7 @@ def test_workflow_uuid_route_uses_scoped_lookup_and_shared_execution():
             return_value=SimpleNamespace(id=55)
         )
         mock_db.create_workflow_run = AsyncMock(return_value=SimpleNamespace(id=601))
+        mock_db.update_workflow_run = AsyncMock()
 
         response = client.post(
             f"/public/agent/workflow/{workflow.workflow_uuid}",
@@ -207,6 +225,14 @@ def test_workflow_uuid_route_uses_scoped_lookup_and_shared_execution():
     assert create_kwargs["definition_id"] == 77
     assert "name" not in create_kwargs["initial_context"]
     assert not mock_db.get_draft_version.called
+    mock_db.update_workflow_run.assert_awaited_once_with(
+        run_id=601,
+        gathered_context={
+            "provider": "twilio",
+            "triggered_by": "api",
+            "call_id": "CA123",
+        },
+    )
 
 
 def test_trigger_test_route_uses_draft_and_template_context_with_api_override():
@@ -262,6 +288,7 @@ def test_trigger_test_route_uses_draft_and_template_context_with_api_override():
             return_value=SimpleNamespace(id=55)
         )
         mock_db.create_workflow_run = AsyncMock(return_value=SimpleNamespace(id=501))
+        mock_db.update_workflow_run = AsyncMock()
 
         response = client.post(
             "/public/agent/test/trigger-uuid-123",
@@ -280,6 +307,15 @@ def test_trigger_test_route_uses_draft_and_template_context_with_api_override():
     assert create_kwargs["initial_context"]["age"] == 10
     assert create_kwargs["initial_context"]["rank"] == 2
     assert create_kwargs["initial_context"]["trigger_mode"] == "test"
+    mock_db.update_workflow_run.assert_awaited_once_with(
+        run_id=501,
+        gathered_context={
+            "provider": "twilio",
+            "triggered_by": "api",
+            "call_id": "CA123",
+            "trigger_uuid": "trigger-uuid-123",
+        },
+    )
 
 
 def test_workflow_uuid_test_route_uses_draft_and_template_context():
@@ -328,6 +364,7 @@ def test_workflow_uuid_test_route_uses_draft_and_template_context():
             return_value=SimpleNamespace(id=55)
         )
         mock_db.create_workflow_run = AsyncMock(return_value=SimpleNamespace(id=501))
+        mock_db.update_workflow_run = AsyncMock()
 
         response = client.post(
             f"/public/agent/test/workflow/{workflow.workflow_uuid}",
@@ -346,6 +383,75 @@ def test_workflow_uuid_test_route_uses_draft_and_template_context():
     assert create_kwargs["initial_context"]["age"] == 12
     assert create_kwargs["initial_context"]["rank"] == 2
     assert create_kwargs["initial_context"]["trigger_mode"] == "test"
+    mock_db.update_workflow_run.assert_awaited_once_with(
+        run_id=501,
+        gathered_context={
+            "provider": "twilio",
+            "triggered_by": "api",
+            "call_id": "CA123",
+        },
+    )
+
+
+def test_trigger_route_still_returns_success_when_metadata_persistence_fails():
+    app = _make_test_app()
+    client = TestClient(app)
+
+    workflow = _active_workflow(trigger_path="trigger-uuid-123")
+    provider = _provider()
+    quota_mock = AsyncMock(
+        return_value=SimpleNamespace(has_quota=True, error_message="")
+    )
+
+    with (
+        patch("api.routes.public_agent.db_client") as mock_db,
+        patch("api.routes.public_agent.call_concurrency") as mock_concurrency,
+        patch(
+            "api.routes.public_agent.authorize_workflow_run_start",
+            new=quota_mock,
+        ),
+        patch(
+            "api.routes.public_agent.get_default_telephony_provider",
+            new=AsyncMock(return_value=provider),
+        ),
+        patch(
+            "api.routes.public_agent.get_backend_endpoints",
+            new=AsyncMock(return_value=("https://api.example.com", "wss://ignored")),
+        ),
+    ):
+        slot = object()
+        mock_concurrency.acquire_org_slot = AsyncMock(return_value=slot)
+        mock_concurrency.bind_workflow_run = AsyncMock()
+        mock_concurrency.release_workflow_run_slot = AsyncMock()
+        mock_concurrency.release_slot = AsyncMock()
+
+        mock_db.validate_api_key = AsyncMock(
+            return_value=SimpleNamespace(id=7, organization_id=11, created_by=22)
+        )
+        mock_db.get_agent_trigger_by_path = AsyncMock(
+            return_value=SimpleNamespace(
+                workflow_id=workflow.id,
+                organization_id=11,
+                state="active",
+            )
+        )
+        mock_db.get_workflow = AsyncMock(return_value=workflow)
+        mock_db.get_default_telephony_configuration = AsyncMock(
+            return_value=SimpleNamespace(id=55)
+        )
+        mock_db.create_workflow_run = AsyncMock(return_value=SimpleNamespace(id=501))
+        mock_db.update_workflow_run = AsyncMock(side_effect=Exception("db down"))
+
+        response = client.post(
+            "/public/agent/trigger-uuid-123",
+            headers={"X-API-Key": "test-api-key"},
+            json={"phone_number": "+15551234567"},
+        )
+
+    assert response.status_code == 200
+    provider.initiate_call.assert_awaited_once()
+    mock_db.update_workflow_run.assert_awaited_once()
+    mock_concurrency.release_workflow_run_slot.assert_not_awaited()
 
 
 def test_trigger_route_rejects_when_concurrency_limit_reached():
diff --git a/api/tests/test_workflow_text_chat.py b/api/tests/test_workflow_text_chat.py
index 4929fae9..185432c9 100644
--- a/api/tests/test_workflow_text_chat.py
+++ b/api/tests/test_workflow_text_chat.py
@@ -251,6 +251,10 @@ async def test_text_chat_session_creation_executes_initial_assistant_turn(
     assert workflow_run.initial_context == {
         "name": "explicit",
         "draft_only": "kept",
+        "runtime_configuration": {
+            "llm_provider": "openai",
+            "llm_model": "gpt-4.1",
+        },
     }
     assert "call_duration_seconds" in workflow_run.usage_info
     assert _log_texts(run_payload["logs"], "rtf-bot-text") == [