Massive pre-release refactoring

[Malkovsky]

No description provided.

[chatgpt-codex-connector]

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[Malkovsky]

@codex please review

[chatgpt-codex-connector]

Codex Review: Didn't find any major issues. 👍

Reviewed commit: 57c4d9270d

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[codecov]

Codecov Report

❌ Patch coverage is 95.26112% with 49 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.10%. Comparing base (2f8881e) to head (b083588).

Files with missing lines	Patch %	Lines
include/pixie/io/mapped_file.h	78.72%	6 Missing and 4 partials ⚠️
include/pixie/wavelet_tree/index.h	95.52%	5 Missing and 4 partials ⚠️
src/tests/tree_tests.cpp	89.02%	0 Missing and 9 partials ⚠️
src/tests/rank_select_unittests.cc	95.08%	0 Missing and 6 partials ⚠️
include/pixie/rank_select/support.h	93.93%	1 Missing and 3 partials ⚠️
include/pixie/storage.h	94.28%	1 Missing and 1 partial ⚠️
include/pixie/storage/read_only_view.h	88.88%	1 Missing and 1 partial ⚠️
include/pixie/utils.h	66.66%	1 Missing and 1 partial ⚠️
include/pixie/rank_select.h	95.83%	0 Missing and 1 partial ⚠️
include/pixie/rmq/cartesian_hybrid_btree.h	90.90%	1 Missing ⚠️
... and 3 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #59      +/-   ##
==========================================
+ Coverage   89.39%   90.10%   +0.71%     
==========================================
  Files          32       39       +7     
  Lines        8637     8735      +98     
  Branches     1396     1418      +22     
==========================================
+ Hits         7721     7871     +150     
+ Misses        511      447      -64     
- Partials      405      417      +12     

Flag	Coverage Δ
gcov	90.10% <95.26%> (+0.71%)	⬆️

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