chore(license): standardize to MIT OR AGPL-3.0-or-later

Dual license: MIT OR AGPL-3.0-or-later (your choice)
Includes Palimpsest philosophical overlay (encouraged, not required)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: Jonathan D.A. Jewell