2698ca92b7
- Fix Cli_FindStdlibDir: search for lib/ instead of stdlib/ - Fix Cli_CollectStdlibImports → merge ALL lib/*.bux via bux_list_dir - Fix Cli_CollectStdlibImports path: remove Std/ subdir (now flat) - Add ../../ fallback for rt/ paths (build/selfhost depth) - Update PLAN.md with v0.3.0 structure + v1.0.0 roadmap - Remaining: 7 sema cross-module resolution bugs (pre-existing)