feat: Distributed Log Replay serialization/deserialization

[OussamaSaoudi]

🥞 Stacked PR

Use this link to review incremental changes.

• stack/dlr_commit [Files changed]
  • stack/dlr_manifest [Files changed]
    • stack/dlr_driver [Files changed]
      • stack/dlr_serde [Files changed]
        • stack/dlr_add_rm_dedup
          • stack/dlr_immutable_add_rm_dedup
            • stack/dlr_leaf [Files changed]
              • stack/dlr_executor

---

What changes are proposed in this pull request?

This PR introduces serialization and deserialization for the ScanLogReplayProcessor.

How was this change tested?

[codecov]

Codecov Report

❌ Patch coverage is 90.79755% with 60 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.77%. Comparing base (6972292) to head (74cdbd4).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
kernel/src/log_reader/checkpoint_manifest.rs	85.25%	8 Missing and 15 partials ⚠️
kernel/src/distributed/sequential_phase.rs	87.86%	10 Missing and 11 partials ⚠️
kernel/src/log_reader/commit.rs	87.75%	1 Missing and 5 partials ⚠️
kernel/src/scan/log_replay.rs	97.56%	3 Missing and 3 partials ⚠️
kernel/src/utils.rs	85.71%	0 Missing and 3 partials ⚠️
kernel/src/log_segment.rs	50.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1503      +/-   ##
==========================================
+ Coverage   84.55%   84.77%   +0.21%     
==========================================
  Files         123      126       +3     
  Lines       33366    34267     +901     
  Branches    33366    34267     +901     
==========================================
+ Hits        28213    29049     +836     
- Misses       3768     3788      +20     
- Partials     1385     1430      +45     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.