[Feature] support pool (#3827)

* support pool

* update pooling

* add pooler_config and check

* update

* support AutoWeightsLoader load weight

* fix

* update

* delete print

* update pre-commit

* fix

* fix xpu

* fix ModelRegistry->model_registry

* fix Copilot review

* fix pooler.py

* delete StepPooler

* fix abstract

* fix default_loader_v1

* fix Pre Commit

* support torch qwen3 dense

* add test and fix torch-qwen

* fix

* fix

* adapter ci:

* fix review

* fix pooling_params.py

* fix

* fix tasks.py 2025

* fix print and logger

* Modefy ModelRegistry and delete AutoWeightsLoader

* fix logger

* fix test_embedding

* fix ci bug

* ernie4_5 model_registry

* fix test

* support Qwen3-Embedding-0.6B tp=1 load

* fix extra code

* fix

* delete fix vocab_size

* delete prepare_params_dict

* fix:

fastdeploy/engine/sampling_params.py

@@ -18,6 +18,7 @@ from __future__ import annotations
 
 import random
 from dataclasses import dataclass, fields
+from enum import Enum
 from typing import Any, List, Optional, Union
 
 
@@ -268,3 +269,12 @@ class GuidedDecodingParams:
                 "You can only use one kind of guided decoding "
                 "('json', 'json_object', 'regex', 'choice', 'grammar', 'structural_tag')."
             )
+
+
+class RequestOutputKind(Enum):
+    # Return entire output so far in every RequestOutput
+    CUMULATIVE = 0
+    # Return only deltas in each RequestOutput
+    DELTA = 1
+    # Do not return intermediate RequestOutput
+    FINAL_ONLY = 2