[Metax] support ENABLE_V1_KVCACHE_SCHEDULER

[xiaozude]

Motivation

support ENABLE_V1_KVCACHE_SCHEDULER

Modifications

1. support ENABLE_V1_KVCACHE_SCHEDULER
2. modify requirement
3. fix determine_available_memory

Usage or Command

Accuracy Tests

Checklist

• Add at least a tag in the PR title.
  • Tag list: [[FDConfig],[APIServer],[Engine], [Scheduler], [PD Disaggregation], [Executor], [Graph Optimization], [Speculative Decoding], [RL], [Models], [Quantization], [Loader], [OP], [KVCache], [DataProcessor], [BugFix], [Docs], [CI], [Optimization], [Feature], [Benchmark], [Others], [XPU], [HPU], [GCU], [DCU], [Iluvatar], [Metax]]
  • You can add new tags based on the PR content, but the semantics must be clear.
• Format your code, run pre-commit before commit.
• Add unit tests. Please write the reason in this PR if no unit tests.
• Provide accuracy results.
• If the current PR is submitting to the release branch, make sure the PR has been submitted to the develop branch, then cherry-pick it to the release branch with the [Cherry-Pick] PR tag.

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[paddle-bot]

Thanks for your contribution!

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (develop@98f1ab4). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
fastdeploy/engine/args_utils.py	0.00%	0 Missing and 1 partial ⚠️
fastdeploy/worker/worker_process.py	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             develop    #5163   +/-   ##
==========================================
  Coverage           ?   57.68%           
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  Files              ?      317           
  Lines              ?    38445           
  Branches           ?     5762           
==========================================
  Hits               ?    22176           
  Misses             ?    14493           
  Partials           ?     1776           

Flag	Coverage Δ
GPU	57.68% <0.00%> (?)

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