- Add plugin host initialization for LLVM mode (fixes method_id injection)
- Add FileBox method_id injection test
- Enhance MIR14 stability test
- Add warning for Mock LLVM implementation
- Create build scripts for JIT/LLVM with proper settings (24 threads, timeout)
- Update CLAUDE.md with build instructions and FileBox test results
Note: FileBox file I/O still not working in LLVM execution (separate issue)
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Co-Authored-By: Claude <noreply@anthropic.com>