变更摘要

本 PR 为质量加固类改动，主要针对编译图构建与内存管理相关模块补充成员函数的 const 修饰以及参数的 const 修饰，提升接口语义的准确性与代码健壮性。改动覆盖 CompiledGraphSummary::SummaryData、LabelAllocator、DependencyAnalyzer、StreamAllocator、GraphRebuildStateCtrl 等类的若干访问器与工具方法，均为纯签名层面的修饰补充，不改变原有业务逻辑。

主要改动

• CompiledGraphSummary::SummaryData 访问器补充 const：为 GetStreamAllocationSummary()、GetOutputShapes()、GetOutputDtypes() 三个成员函数添加 const 修饰，明确只读语义。
• LabelAllocator::CollectFunctionalNode 参数补充 const：在 label_allocator.h 与 label_allocator.cc 中将形参由 ComputeGraphPtr &graph 改为 const ComputeGraphPtr &graph，声明对传入图对象只读。
• DependencyAnalyzer::WhyACannotReuseB 补充 const：在 dependency_analyzer.h 与 dependency_analyzer.cc 中将该成员函数标记为 const。
• StreamAllocator::GetSplitStreamToLogicStream 补充 const：在 graph_stream_allocator.h 中将该成员函数标记为 const。
• GraphRebuildStateCtrl::IsVarPermitToChangeFormats 补充 const：在 graph_rebuild_state_ctrl.h 与 graph_rebuild_state_ctrl.cc 中将该成员函数标记为 const。

Hi @cnsd_turtle, welcome to submitting your first PR to ge!

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代码审查

✅ 未发现问题

/lgtm

/approve