eval: fold GEMM/allreduce harnesses into self-contained milestone benches

Move the GEMM + allreduce sweep/render logic out of scripts/ and tests/
into two self-contained eval benches so a user can regenerate every
result + figure with one command:

  kernbench run --bench milestone-1h-gemm   (MILESTONE_FAST=1 reuses JSON)
  kernbench run --bench milestone-1h-ccl

- benches/milestone_1h_{gemm,ccl}.py: single home for each domain; the
  run(torch) entry drives the sweeps and writes figures into
  benches/1H_milestone_output/{gemm,ccl}/ (gitignored), then submits a
  sentinel tensor to satisfy the run_bench contract.
- tests/gemm + tests/sccl helpers and scripts/gemm_sweep.py become thin
  re-export/wrapper shims over the benches (single source preserved); the
  pytest-only param builders + _run_distributed wrapper stay in the shim.
- eval-bench pattern: a bench may drive many configs + build its own
  per-config engines (extends ADR-0045 D5; reverses ADR-0044 D1/D2).

ADR-0054 (EN+KO) records the design; ADR-0043/0044/0045 + CLAUDE.md CLI
Semantics amended; ADR INDEX regenerated. Verified: milestone benches run
clean (ok=True, all artifacts), full suite 67 passed, lang-pairs OK.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

docs/adr-ko/INDEX.md

@@ -1,6 +1,6 @@
 # ADR Index
 
-Auto-generated by `tools/generate_adr_index.py`. Total ADRs: **46**.
+Auto-generated by `tools/generate_adr_index.py`. Total ADRs: **47**.
 
 Classification mirrors the `/report` skill's section assignment. When adding a new ADR, also add an entry to the `CLASSIFICATION` table in `tools/generate_adr_index.py`.
 
@@ -152,6 +152,7 @@ One subsection per component file under `src/kernbench/components/builtin/`.
 
 - [ADR-0043](./ADR-0043-eval-allreduce-harness.md) — Allreduce 평가 하니스 — `tests/sccl/`
 - [ADR-0044](./ADR-0044-eval-gemm-harness.md) — GEMM 평가 하니스 — `scripts/gemm_sweep.py` + `tests/gemm/`
+- [ADR-0054](./ADR-0054-eval-milestone-benches.md) — 마일스톤 평가 bench — 자기완결적 sweep + figure bench
 
 ### Bench Module Contract