chore(eod): pre-reboot cleanup and documentation update

- Add scripts/update-cli-suite.sh for Manjaro/Arch CLI tool maintenance
- Update .gitignore: add logs/ and docs/tech/capabilities/ exclusions
- Update CHANGELOG.md with 2026-04-02 NVMe benchmark + firmware work
- Update NEXT_STEPS.md: post-reboot verification tasks for GXA7801Q

CHANGELOG.md

@@ -8,6 +8,15 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 
 ### Added
+- Comprehensive NVMe benchmark for Samsung PM9A1 before firmware update: SMART health, hdparm, fio seq/rand benchmarks (2026-04-02). See `docs/tech/nvme-benchmark-pre-gxa7802q.md`.
+- CLI suite update script `scripts/update-cli-suite.sh` for Manjaro/Arch tool maintenance (2026-04-02).
+
+### Changed
+- Samsung PM9A1 NVMe firmware update applied: GXA7401Q → GXA7801Q (non-SED variant, reboot pending to activate). All nvme-cli steps succeeded (2026-04-02).
+- Corrected firmware research: GXA7802Q is SED-only (`00B07`); non-SED drives (`00B00`) require GXA7801Q. Updated `docs/tech/firmware-update-research.md` with naming convention and correct source.
+- Updated `.gitignore`: added `logs/` and `docs/tech/capabilities/` exclusions (2026-04-02).
+
+### Added (continued)
 - Created formal stability tests report documenting the 2026-03-17 memory management improvements (2026-03-17).
 - System stability improvements: enabled `systemd-oomd` and `zswap` via Ansible (2026-03-17).
 - Memory resource limits for Firebird and Mailpit Docker containers (2026-03-17).
@@ -15,7 +24,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Integrated 16GB swap file management into Ansible roles for consistency and persistence (2026-03-17).
 - Comprehensive health report for `mw-pfeddersheim-workstation` (2026-03-09).
 
-### Changed
+### Changed (continued)
 - Increased system swap file size from 4GB to 16GB to prevent OOM-related system hangs (2026-03-17).
 - Updated system status in `README.md` and `docs/tech/workstation-health.md` (2026-03-17).
 - Cleaned up deprecated software information from `docs/tech/stack.md` (2026-03-13).