[Feature] [KVCache] support attention_store kv cache backend (#5823)

* [feat] support attention_store kv cache backend

* [fix] fix codestyle

* [chore] optimize log

* [fix] fix write storage task

* [fix] fix read storage

* [fix] fix code conflict after merge develop

* [fix] fix cache bytes and read task token ids

* [chore] add model for cache transfer manager

* [chore] add some log

* [chore] remove launched_cache_manager_signal

* [fix] fix write_back_storage_task match_block_num condition

* [fix] fix swap_cost_time

* [ci] fix ci

* Update fastdeploy/engine/sched/resource_manager_v1.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update fastdeploy/cache_manager/cache_transfer_manager.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* Update fastdeploy/cache_manager/transfer_factory/mooncake_store/attention_store.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Jiang-Jia-Jun <163579578+Jiang-Jia-Jun@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

fastdeploy/engine/args_utils.py

@@ -629,7 +629,6 @@ class EngineArgs:
                 for port in cur_dp_ports:
                     assert is_port_available("0.0.0.0", port), f"Parameter `{name}`:{port} is already in use."
 
-            console_logger.debug(f"post init {name}: {ports}")
             return ports
 
         num_nodes = len(self.ips) if self.ips else 1
@@ -1077,7 +1076,7 @@ class EngineArgs:
         cache_group.add_argument(
             "--kvcache-storage-backend",
             type=nullable_str,
-            choices=["mooncake"],
+            choices=["mooncake", "attention_store"],
             default=EngineArgs.kvcache_storage_backend,
             help="The storage backend for kvcache storage. Leave empty to disable.",
         )