Add module resolution debugging infrastructure

- Add new module_resolution_debug.rs with ModuleResolutionDebugger
- Track symbol declaration and merge events with file origins
- Add flags_to_string helper for readable symbol flag output
- Log symbol table merge operations during binding
- Add set_debug_file and get_debug_summary methods to ThinBinderState
- Enable debug logging via global set_debug_enabled flag

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: mohsen1

wasm/src/lib.rs

@@ -37,6 +37,9 @@ pub mod thin_binder;
 #[cfg(test)]
 mod thin_binder_tests;
 
+// Module Resolution Debugging - Logging for symbol table operations and scope lookups
+pub mod module_resolution_debug;
+
 // Lib Loader - Load and merge lib.d.ts symbols into the binder (BIND-10)
 pub mod lib_loader;