- Rename `read_noise` scenarios and noise_mode to `read_pass_through` across
run_cam_correctness.py, test_run_cam_correctness.py, and Makefiles
- Update RTL comment in match_engine_pipeline.sv to reflect pass-through behavior
- Move unit-level cocotb tests from `tests.test_*` flat namespace to
`tests.modules.*` and `tests.top.*` subdirectory layout, matching actual
Makefile paths (hw/sim/tests/modules/..., hw/sim/tests/top/...)
- Remove redundant dual-noise subtarget from read_noise/Makefile
- Update help text and docs to reflect read-path pass-through semantics
- Add .codegraph to .gitignore
Introduce scripts/run_cam_correctness.py — a data-driven CAM correctness
checker that runs cocotb and pytest scenarios across multiple noise modes
and CAM submodules (cam_top, cam_core_banked, match_engine_pipeline).
Outputs structured CSV results and a paper-ready Chinese summary.
Add tests/test_run_cam_correctness.py with contract tests for scenario
spec validation, command building, subprocess error handling, output file
generation, CLI defaults, and environment preservation.
