server : 프롬프트 캐시 상태 소유권 리팩토링 (refactor prompt cache state ownership) (#25649)

• server : 프롬프트 삭제 시 체크포인트 삭제 (clear checkpoints upon prompt clear)

• server : 프롬프트 상태 데이터를 server_prompt_cache로 이동 (move the prompt state data to the server_prompt_cache)

Assisted-by: pi:llama.cpp/Qwen3.6-27B

• server : 배치된 슬롯이 삭제되는 경우 처리 (handle batched slot being cleared)

macOS/iOS:

• macOS Apple Silicon (arm64)
• macOS Apple Silicon (arm64, KleidiAI 활성화) 비활성화됨 (DISABLED)
• macOS Intel (x64)
• iOS XCFramework

Linux:

• Ubuntu x64 (CPU)

• Ubuntu arm64 (CPU)

• Ubuntu s390x (CPU)

• Ubuntu x64 (Vulkan)

• Ubuntu arm64 (Vulkan)

• Ubuntu x64 (ROCm 7.2)

• Ubuntu x64 (OpenVINO)

• Ubuntu x64 (SYCL FP32)

• Ubuntu x64 (SYCL FP16)

Android:

• Android arm64 (CPU)

Windows:

• Windows x64 (CPU)
• Windows arm64 (CPU)
• Windows arm64 (OpenCL Adreno)
• Windows x64 (CUDA 12) - CUDA 12.4 DLLs
• Windows x64 (CUDA 13) - CUDA 13.3 DLLs
• Windows x64 (Vulkan)
• Windows x64 (OpenVINO)
• Windows x64 (SYCL)
• Windows x64 (HIP)

openEuler:

• DISABLED
• openEuler x86 (310p)
• openEuler x86 (910b, ACL Graph)
• openEuler aarch64 (310p)
• openEuler aarch64 (910b, ACL Graph)

UI:

• UI