refactor: add new IR Executor

[tusharmath]

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 58.15603% with 59 lines in your changes missing coverage. Please review.

Project coverage is 85.74%. Comparing base (aba1023) to head (87656a0). Report is 9 commits behind head on main.

Files	Patch %	Lines
src/core/ir/jit/eval.rs	0.00%	40 Missing :warning:
src/core/ir/jit/value.rs	81.81%	10 Missing :warning:
src/core/ir/jit/model.rs	79.54%	9 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2215 +/- ## ========================================== - Coverage 85.90% 85.74% -0.17% ========================================== Files 211 213 +2 Lines 19984 20099 +115 ========================================== + Hits 17168 17233 +65 - Misses 2816 2866 +50 ```

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[github-actions[bot]]

Action required: PR inactive for 2 days. Status update or closure in 5 days.