docs: update license from AGPL to PMPL

- Replace AGPL-3.0-or-later with PMPL-1.0-or-later
- Update license name and URLs
- Align with palimpsest-license standard

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: Your Name

README.adoc

@@ -19,7 +19,7 @@ This repository serves as the canonical source for policies, templates, and spec
 * **SCM Format Family** — 7 machine-readable project metadata formats (see link:SATELLITES.scm[SATELLITES.scm])
 * **Build System** — Mustfile/justfile (no Makefiles)
 * **Governance Templates** — Reusable CODE_OF_CONDUCT, CONTRIBUTING, and SECURITY documents
-* **Licensing Framework** — AGPL-3.0-or-later with Palimpsest philosophical principles
+* **Licensing Framework** — PMPL-1.0-or-later with Palimpsest philosophical principles
 * **Enforcement** — CI/CD workflows and pre-commit hooks
 
 == Standards Ecosystem
@@ -258,7 +258,7 @@ standards/
 ├── CODE_OF_CONDUCT.md         # Template
 ├── CONTRIBUTING.md            # Template
 ├── SECURITY.md                # Template
-├── LICENSE.txt                # AGPL-3.0-or-later + Palimpsest
+├── LICENSE.txt                # PMPL-1.0-or-later + Palimpsest
 ├── ROADMAP.adoc
 └── README.adoc                # This file
 ----
@@ -310,7 +310,7 @@ standards/
 
 == License
 
-AGPL-3.0-or-later with Palimpsest philosophical overlay.
+PMPL-1.0-or-later with Palimpsest philosophical overlay.
 
 See link:LICENSE.txt[LICENSE.txt] for full terms.