feat: try to see the hierarchy in phonenix trace rather than all single events

[xuwei95]

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Summary

Fix #35045
try to see the hierarchy in phonenix trace rather than all single events

Screenshots

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Checklist

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran make lint and make type-check (backend) and cd web && pnpm exec vp staged (frontend) to appease the lint gods

[github-actions]

Pyrefly Diff

base → PR

--- /tmp/pyrefly_base.txt	2026-04-13 02:21:31.101527433 +0000
+++ /tmp/pyrefly_pr.txt	2026-04-13 02:21:21.314554940 +0000
@@ -58,6 +58,14 @@
    --> core/model_manager.py:344:13
 ERROR Missing positional argument `function` in function `ModelInstance._round_robin_invoke` [bad-argument-count]
    --> core/model_manager.py:361:13
+ERROR Object of class `OTLPSpanExporter` has no attribute `timeout` [missing-attribute]
+  --> core/ops/arize_phoenix_trace/arize_phoenix_trace.py:80:17
+ERROR Object of class `int` has no attribute `replace` [missing-attribute]
+   --> core/ops/arize_phoenix_trace/arize_phoenix_trace.py:245:37
+ERROR Argument `str | None` is not assignable to parameter `workflow_run_id` with type `str` in function `ArizePhoenixDataTrace._get_app_info_from_workflow_run_id` [bad-argument-type]
+    --> core/ops/arize_phoenix_trace/arize_phoenix_trace.py:1337:79
+ERROR Argument `str | None` is not assignable to parameter `workflow_run_id` with type `str` in function `ArizePhoenixDataTrace._get_app_info_from_workflow_run_id` [bad-argument-type]
+    --> core/ops/arize_phoenix_trace/arize_phoenix_trace.py:1586:79
 ERROR Argument `dict[str, list[str] | str | None]` is not assignable to parameter `attributes` with type `dict[str, str] | None` in function `mlflow.tracing.fluent.start_span_no_context` [bad-argument-type]
    --> core/ops/mlflow_trace/mlflow_trace.py:271:24
 ERROR Argument `dict[str, dict[str, Any] | str | None]` is not assignable to parameter `attributes` with type `dict[str, str] | None` in function `mlflow.tracing.fluent.start_span_no_context` [bad-argument-type]
@@ -3988,8 +3996,14 @@
    --> tests/unit_tests/core/ops/aliyun_trace/test_aliyun_trace_utils.py:214:34
 ERROR Argument `None` is not assignable to parameter `outputs` with type `Mapping[str, Any]` in function `core.ops.aliyun_trace.utils.format_output_messages` [bad-argument-type]
    --> tests/unit_tests/core/ops/aliyun_trace/test_aliyun_trace_utils.py:247:35
-ERROR Argument `test_set_span_status.SilentError` is not assignable to parameter `error` with type `Exception | str | None` in function `core.ops.arize_phoenix_trace.arize_phoenix_trace.set_span_status` [bad-argument-type]
-   --> tests/unit_tests/core/ops/arize_phoenix_trace/test_arize_phoenix_trace.py:132:27
+ERROR Could not import `error_to_string` from `core.ops.arize_phoenix_trace.arize_phoenix_trace` [missing-module-attribute]
+  --> tests/unit_tests/core/ops/arize_phoenix_trace/test_arize_phoenix_trace.py:12:5
+ERROR Could not import `safe_json_dumps` from `core.ops.arize_phoenix_trace.arize_phoenix_trace` [missing-module-attribute]
+  --> tests/unit_tests/core/ops/arize_phoenix_trace/test_arize_phoenix_trace.py:13:5
+ERROR Could not import `set_span_status` from `core.ops.arize_phoenix_trace.arize_phoenix_trace` [missing-module-attribute]
+  --> tests/unit_tests/core/ops/arize_phoenix_trace/test_arize_phoenix_trace.py:14:5
+ERROR Could not import `wrap_span_metadata` from `core.ops.arize_phoenix_trace.arize_phoenix_trace` [missing-module-attribute]
+  --> tests/unit_tests/core/ops/arize_phoenix_trace/test_arize_phoenix_trace.py:16:5
 ERROR Object of class `ModuleType` has no attribute `Histogram` [missing-attribute]
   --> tests/unit_tests/core/ops/tencent_trace/test_client.py:88:5
 ERROR Object of class `ModuleType` has no attribute `MeterProvider` [missing-attribute]
@@ -4062,6 +4076,10 @@
    --> tests/unit_tests/core/ops/tencent_trace/test_client.py:547:12
 ERROR Cannot index into `object` [bad-index]
    --> tests/unit_tests/core/ops/tencent_trace/test_client.py:558:12
+ERROR Could not import `_NODE_TYPE_TO_SPAN_KIND` from `core.ops.arize_phoenix_trace.arize_phoenix_trace` [missing-module-attribute]
+ --> tests/unit_tests/core/ops/test_arize_phoenix_trace.py:4:62
+ERROR Could not import `_get_node_span_kind` from `core.ops.arize_phoenix_trace.arize_phoenix_trace` [missing-module-attribute]
+ --> tests/unit_tests/core/ops/test_arize_phoenix_trace.py:4:87
 ERROR Method `trace` inherited from class `BaseTraceInstance` has no implementation and cannot be accessed via `super()` [missing-attribute]
   --> tests/unit_tests/core/ops/test_base_trace_instance.py:17:9
 ERROR Missing argument `public_key` in function `core.ops.entities.config_entity.LangfuseConfig.__init__` [missing-argument]

[crazywoola]

Please resolve the errors in the CI.