benches: package as kernbench.benches, add @bench registry + list subcommand

Move benches/ -> src/kernbench/benches/ and src/kernbench/cli/probe.py ->
src/kernbench/probes/probe.py. Each bench self-registers via
@bench(name=..., description=...); kernbench list enumerates benches
with auto-assigned indices, --bench accepts kebab-case name or numeric
index. Audit at package-import time fails if any non-underscore module
forgets the decorator. ADR-0010 (EN + KO) updated to reflect the new
resolver path, list subcommand, and probes package separation.

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

pyproject.toml

@@ -12,8 +12,8 @@ dependencies = ["pytest", "simpy", "pyyaml", "fastapi>=0.110", "uvicorn[standard
 kernbench = "kernbench.cli.main:main"
 
 [tool.setuptools.packages.find]
-where = ["src", "."]
-include = ["kernbench*", "benches*"]
+where = ["src"]
+include = ["kernbench*"]
 
 [project.optional-dependencies]
 dev = [