feat: support SPU profiling config

[FollyCoolly]

No description provided.

[gemini-code-assist]

Code Review

This pull request adds profiling and tracing configuration flags (enable_pphlo_profile, enable_hal_profile, enable_pphlo_trace, and enable_action_trace) to SPUConfig and propagates them to the SPU runtime configuration. It also updates the runtime caching mechanism to include these flags in the cache key so that different profiling configurations generate distinct runtimes while reusing the same template link. The feedback suggests handling None values defensively in the _parse_bool helper to avoid unexpected runtime crashes, and simplifying the dictionary retrieval in SPUConfig.from_dict using a more idiomatic Python pattern.

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[danqi437]

LGTM