v0.1.0

Features

• Add os module with environ, path utilities, and system info
• Add sys module with recursion limits, sizeof, and flags
• Add argparse subparsers and mutually_exclusive_group support
• Upgrade to Zig 0.15.2 for improved performance

Improvements

• Improve CPython compatibility to 88.2% (1,288/1,461 tests passing)
• Achieve 100% compatibility for 28 modules including os, collections, argparse
• Add OrderedDict.move_to_end(), deque.clear(), deque.rotate() methods
• Add namedtuple._replace() and namedtuple._fields support
• Fix argparse choices, required, and nargs='?' const handling
• Patch MicroPython module delegation chaining

Documentation

• Add comprehensive CPython compatibility documentation and implementation plan
• Update architecture guide with Zig-only policy for native modules
• Document all 28 native modules with examples and performance benchmarks

Maintenance

• Remove obsolete Python compatibility layer and legacy tests
• Clean up build configuration and module organization