{ "schema_version": "native_kernel_resolution.v198_26_52", "reason": "upload_workspace_post_sanitize_preflight", "status": "resolved", "package": "flash-attn", "explicit_requirements": [ "flash_attn" ], "hf_kernels_evaluated": true, "diffusers_dispatcher_available": false, "transformers_attention_interface_available": false, "direct_flash_attn_shim_available": false, "selected_backend": "xformers_sdpa", "decision": "omit_with_xformers_sdpa_fallback", "requirements_changes": [], "app_changes": [], "fatal_problems": [], "warnings": [], "evidence": [ { "type": "requirements_has_flash_attn", "value": false }, { "type": "requirements_has_kernels", "value": true }, { "type": "diffusers_dispatcher_marker", "value": false, "hub_backend": false, "flash_backend": false }, { "type": "transformers_attention_marker", "value": false, "hub_backend": false, "flash_backend": false }, { "type": "direct_flash_attn_functions", "functions": [], "has_get_kernel": false }, { "type": "fallback_evidence", "value": { "type": "allowed_native_kernel_model_card_requirement", "required": "flash_attn", "package": "flash-attn", "evidence": [ { "source": "PI_SOURCE_USAGE.json", "mentions_fallback": false, "mentions_deviation": true, "app_disables_native_kernel": false }, { "source": "REPAIR_SUMMARY.md", "mentions_fallback": false, "mentions_deviation": true, "app_disables_native_kernel": false }, { "source": "README.md", "mentions_fallback": true, "mentions_deviation": true, "app_disables_native_kernel": false }, { "source": "repair/REPAIR_SUMMARY.md", "mentions_fallback": false, "mentions_deviation": true, "app_disables_native_kernel": false } ], "policy": "Allowed because the model-card native kernel package is evidenced as replaced/disabled by a runtime-compatible attention backend, avoiding fragile Space source builds." } } ], "updated_at": "2026-06-25T10:32:43.471299+00:00" }