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[Refactor][Device][3/N] Migrate core runtime selection to hardware profiles (#14076)

### What this PR does / why we need it?

Introduces the hardware capabilities and policies required by this
module,
and migrates the corresponding device-specific branches to hardware
profiles.

This keeps capability definitions close to their first consumers instead
of
declaring all future hardware capabilities upfront.

### Does this PR introduce *any* user-facing change?

No. Existing hardware behavior is preserved.

### How was this patch tested?
UT

- vLLM version: v0.27.1
- vLLM main:
https://github.com/vllm-project/vllm/commit/58d3918e3ea0a544ffedadad2ba84559e9c51d8f

---------

Signed-off-by: frost_mourne <2906339855@qq.com>
S
Shaoxu Cheng committed
be95ca98d044f44e465d159117fc9e6425a13b9d
Parent: 05b7c96
Committed by GitHub <noreply@github.com> on 8/29/2026, 1:21:56 AM