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[bot]]

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 :warning:
src/core/jit/model.rs	75.00%	3 Missing :warning:
src/core/lift.rs	0.00%	3 Missing :warning:
src/core/jit/builder.rs	92.85%	1 Missing :warning:

Additional details and impacted files

```diff @@ 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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