Release 0.6.0: Performance (parallel processing, caching, watch mode)

What's New in v0.6.0

Parallel Processing (--parallel)

• 3-6x speedup on multi-core systems
• Deterministic output (byte-for-byte identical to sequential)

Incremental Caching (enabled by default)

• Instant re-runs for unchanged files
• Use --no-cache to disable

Watch Mode (--watch)

• Auto-regenerate on file changes
• 500ms debouncing to prevent excessive rebuilds
• Clean Ctrl+C shutdown