Merge origin/develop into clean/awareness-file

Resolved: awareness constants vs Pi/OMP rework, InitContext destructures,
bun/deno CLI additions, write_if_changed split.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01DVD4ZD5wiSjSsNpKCK6h7q