[Kangyan-Zhou]

Summary

Two cherry-picked test files on release/v0.5.12 register against the new base-* suite vocabulary (introduced by #25420 on main as part of the stage-{a,b,c} → base-{a,b,c} rename), but this branch hasn't done the rename, so test/run_suite.py's PER_COMMIT_SUITES doesn't know those names.

Every per-commit job (e.g. run 26279864881 / job 77353155071) aborts at suite validation:

ValueError: Tests registered to invalid suites:
  test/registered/radix_cache/test_unified_radix_cache_kl_hicache.py:
    backend=CUDA, suite='base-c-test-8-gpu-h200'

Fix

Repoint both registrations at the existing stage-* names that ARE present in this branch's PER_COMMIT_SUITES:

File	Before	After
test/registered/radix_cache/test_unified_radix_cache_kl_hicache.py:27	register_cuda_ci(stage="base-c", ...)	register_cuda_ci(stage="stage-c", ...)
test/manual/core/test_dsv4_stale_loc_crash.py:34	register_cpu_ci(suite="base-a-test-cpu")	register_cpu_ci(suite="stage-a-test-cpu")

Both stage-c-test-8-gpu-h200 and stage-a-test-cpu are valid suites on release/v0.5.12.

Why not the proper rename

The full stage-* → base-* rename has a wide blast radius — scripts/ci/utils/compute_partitions.py (_STAGE_A_OVERRIDES), scripts/ci/utils/slash_command_handler.py (CUDA_SUITE_TO_RUNNER, DEEPEP_SUITES), test/run_suite.py (PER_COMMIT_SUITES), ~200 register_*_ci(suite=...) call sites, and 4 workflow files. Doing it coherently on release/v0.5.12 is significant scope and intentionally deferred. This PR is the surgical 2-line patch to make pr-test dispatches on release/v0.5.12 actually run.

Test plan

• Pre-commit clean, including the check registered tests have CI registry hook (which is the same validation that fails in CI — so the fix is verified locally)
• After merge, re-dispatch pr-test.yml against release/v0.5.12 with run_all_tests=true and confirm check-changes passes + stage-a-test-1-gpu-small reaches the actual test phase

🤖 Generated with Claude Code

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CI States

Latest PR Test (Base): ❌ Missing run-ci label -- add it to run CI tests.
Latest PR Test (Extra): ❌ Blocked -- run-ci is required first.

[gemini-code-assist]

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