test: 回退Docker context到26e6cb40完全一致——验证竞赛平台build

Dockerfile/qwen3_6_scripts/ex_engine/computility-run.yaml 全部
还原到26e6cb40的精确内容。删除所有26e6cb40不存在的新增文件
(prebuilt/*.so, wheels/*.whl, vendor_overrides/, 新增.cu/.sh等)。

目的：确认26e6cb40的文件内容在当前git状态下仍能通过竞赛平台build。
如果通过，说明问题在新增文件中；如果不通过，说明问题在git仓库层面。

qwen3_6_scripts/patch_xformers_profile.py

@@ -1,121 +0,0 @@
-"""Install disabled-by-default M1-48 XFormers timing boundaries."""
-
-from __future__ import annotations
-
-from pathlib import Path
-
-try:
-    from patch_utils import package_root, replace_once
-except ModuleNotFoundError:
-    from .patch_utils import package_root, replace_once
-
-
-IMPORT_OLD = "from vllm.logger import init_logger"
-IMPORT_NEW = """\
-from vllm.bi100_profile import bi100_timer
-from vllm.logger import init_logger"""
-
-KV_WRITE_OLD = """\
-                PagedAttention.write_to_paged_cache(key, value, key_cache,
-                                                    value_cache,
-                                                    updated_slot_mapping,
-                                                    self.kv_cache_dtype,
-                                                    k_scale, v_scale)"""
-KV_WRITE_NEW = """\
-                with bi100_timer("xformers.kv_write"):
-                    PagedAttention.write_to_paged_cache(
-                        key, value, key_cache, value_cache,
-                        updated_slot_mapping, self.kv_cache_dtype,
-                        k_scale, v_scale)"""
-
-DENSE_OLD = """\
-                out = self._run_memory_efficient_xformers_forward(
-                    query, key, value, prefill_meta, attn_type=attn_type)"""
-DENSE_NEW = """\
-                with bi100_timer("xformers.dense_prefill"):
-                    out = self._run_memory_efficient_xformers_forward(
-                        query, key, value, prefill_meta, attn_type=attn_type)"""
-
-PAGED_OLD = """\
-                out = PagedAttention.forward_prefix(
-                    query,
-                    key,
-                    value,
-                    self.kv_cache_dtype,
-                    key_cache,
-                    value_cache,
-                    prefill_meta.block_tables,
-                    prefill_meta.query_start_loc,
-                    prefill_meta.seq_lens_tensor,
-                    prefill_meta.context_lens_tensor,
-                    prefill_meta.max_query_len,
-                    self.alibi_slopes,
-                    self.sliding_window,
-                    k_scale,
-                    v_scale,
-                    is_causal_decoder=(attn_type == AttentionType.DECODER),
-                )"""
-PAGED_NEW = """\
-                with bi100_timer("xformers.paged_prefill"):
-                    out = PagedAttention.forward_prefix(
-                        query,
-                        key,
-                        value,
-                        self.kv_cache_dtype,
-                        key_cache,
-                        value_cache,
-                        prefill_meta.block_tables,
-                        prefill_meta.query_start_loc,
-                        prefill_meta.seq_lens_tensor,
-                        prefill_meta.context_lens_tensor,
-                        prefill_meta.max_query_len,
-                        self.alibi_slopes,
-                        self.sliding_window,
-                        k_scale,
-                        v_scale,
-                        is_causal_decoder=(attn_type == AttentionType.DECODER),
-                    )"""
-
-
-def patch_file(path: Path) -> None:
-    replace_once(
-        path,
-        IMPORT_OLD,
-        IMPORT_NEW,
-        already_contains="from vllm.bi100_profile import bi100_timer",
-    )
-    replace_once(
-        path,
-        KV_WRITE_OLD,
-        KV_WRITE_NEW,
-        already_contains='bi100_timer("xformers.kv_write")',
-    )
-    replace_once(
-        path,
-        DENSE_OLD,
-        DENSE_NEW,
-        already_contains='bi100_timer("xformers.dense_prefill")',
-    )
-    replace_once(
-        path,
-        PAGED_OLD,
-        PAGED_NEW,
-        already_contains='bi100_timer("xformers.paged_prefill")',
-    )
-    text = path.read_text(encoding="utf-8")
-    canonical = "\n".join(line.rstrip(" \t") for line in text.split("\n"))
-    if not canonical.endswith("\n"):
-        canonical += "\n"
-    if canonical != text:
-        path.write_text(canonical, encoding="utf-8")
-
-
-def main() -> None:
-    path = package_root("vllm") / "attention" / "backends" / "xformers.py"
-    print("=== patch_xformers_profile (M1-48 diagnostic timers) ===")
-    print(f"Target: {path}")
-    patch_file(path)
-
-
-if __name__ == "__main__":
-    main()