feat(jit): support introspection in JIT

[laststylebender14]

Summary:
Briefly describe the changes made in this PR.

Issue Reference(s):
Fixes #... (Replace "..." with the issue number)

Build & Testing:

• I ran cargo test successfully.
• I have run ./lint.sh --mode=fix to fix all linting issues raised by ./lint.sh --mode=check.

Checklist:

• I have added relevant unit & integration tests.
• I have updated the documentation accordingly.
• I have performed a self-review of my code.
• PR follows the naming convention of <type>(<optional scope>): <title>

[codecov]

Codecov Report

Attention: Patch coverage is 79.68750% with 26 lines in your changes missing coverage. Please review.

Project coverage is 86.76%. Comparing base (075e1f8) to head (5cf9433).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/core/jit/graphql_executor.rs	36.66%	19 Missing ⚠️
src/core/jit/model.rs	75.00%	3 Missing ⚠️
src/core/lift.rs	0.00%	3 Missing ⚠️
src/core/jit/builder.rs	92.85%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2769      +/-   ##
==========================================
- Coverage   86.80%   86.76%   -0.04%     
==========================================
  Files         254      254              
  Lines       25026    25147     +121     
==========================================
+ Hits        21723    21818      +95     
- Misses       3303     3329      +26     

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