Ollama v0.40.0-rc0 Adds Manifest-List Storage, Drops llama.cpp Compatibility Patch

Ollama released v0.40.0-rc0, introducing manifest-list storage that allows runner-specific manifests to coexist under a single tag while retaining existing v1 tags as downgrade anchors¹. Show, list, copy, remove, pull, and push commands now support runner and digest selection. The release adds lazy local compatibility migration converting legacy Ollama GGUFs into llama.cpp-compatible formats, covering patched model families and preserving templates, projectors, media metadata, split GGUFs, and MTP/draft tensors. Create, import, and conversion paths were extended under the same compatibility rules.