Type fix base

[Erotemic]

This update has a pretty large diff, but there should be no functional changes. The main goal is to improve the type annotations in the library and remove the extra pyi files.

The type annotations had lots of AI assistance, but there was a lot of manual oversight and edits.

Its likely that these can be cleaned up, but I will likely do that in a different PR after I get something stable that type checks. After this I plan to run ruff format over the code, which will produce another huge diff, but hopefully that will facilitate easier maintenance moving forward.

[codecov]

Codecov Report

❌ Patch coverage is 88.88889% with 39 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.06%. Comparing base (60e928f) to head (8e90623).
⚠️ Report is 30 commits behind head on main.

Files with missing lines	Patch %	Lines
line_profiler/autoprofile/util_static.py	40.90%	26 Missing ⚠️
line_profiler/autoprofile/profmod_extractor.py	78.94%	2 Missing and 2 partials ⚠️
line_profiler/toml_config.py	90.32%	2 Missing and 1 partial ⚠️
line_profiler/cli_utils.py	92.59%	1 Missing and 1 partial ⚠️
line_profiler/profiler_mixin.py	94.44%	1 Missing and 1 partial ⚠️
...ne_profiler/autoprofile/ast_profile_transformer.py	94.44%	0 Missing and 1 partial ⚠️
line_profiler/autoprofile/autoprofile.py	91.66%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #419      +/-   ##
==========================================
+ Coverage   87.56%   89.06%   +1.49%     
==========================================
  Files          18       20       +2     
  Lines        1641     2258     +617     
  Branches      348      474     +126     
==========================================
+ Hits         1437     2011     +574     
- Misses        149      184      +35     
- Partials       55       63       +8     

Files with missing lines	Coverage Δ
line_profiler/__main__.py	100.00% <100.00%> (ø)
line_profiler/_diagnostics.py	100.00% <100.00%> (ø)
line_profiler/autoprofile/ast_tree_profiler.py	100.00% <100.00%> (ø)
line_profiler/autoprofile/eager_preimports.py	93.95% <100.00%> (+0.81%)	⬆️
line_profiler/autoprofile/line_profiler_utils.py	88.23% <100.00%> (+3.61%)	⬆️
line_profiler/autoprofile/run_module.py	100.00% <100.00%> (ø)
line_profiler/explicit_profiler.py	80.12% <100.00%> (-13.78%)	⬇️
line_profiler/ipython_extension.py	98.19% <100.00%> (+38.76%)	⬆️
line_profiler/line_profiler.py	98.94% <100.00%> (-0.72%)	⬇️
line_profiler/line_profiler_utils.py	88.88% <100.00%> (+1.38%)	⬆️
... and 8 more

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