0dade151d2
Bootstrap compiler improvements: - Extract findStdlibDir() to remove hardcoded path and deduplicate - Extract prepareProject()/mergeProject() to share code between cmdCheck/cmdBuild - Fix C backend to emit warning on unknown types instead of silent 'int' - Clean up all unused imports across 7 modules - Makefile: add strip, debug target, clean-all, selfhost strip QBE removal: - Remove vendor/qbe/ (74K lines) - Remove compiler/selfhost/qbe_backend.bux, nim_backend.bux Stdlib improvements: - Add Result.bux + Option.bux modules - Fix Json.bux memory leak (removed double String_Copy) - Add missing imports in Crypto.bux (Alloc/Free) and Test.bux (PrintLine/PrintInt) - Clean stale buxc_debug binary