chore: migrate license from PMPL-1.0-or-later to MPL-2.0

Author: hyperpolymath

.github/workflows/governance.yml

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: PMPL-1.0-or-later
+# SPDX-License-Identifier: MPL-2.0
 # governance.yml — single wrapper calling the shared estate governance bundle
 # in hyperpolymath/standards. Replaces ~8 duplicated per-repo governance
 # workflows (verisimiser#59 estate rollout). Load-bearing build/security

.github/workflows/hypatia-scan.yml

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: PMPL-1.0-or-later
+# SPDX-License-Identifier: MPL-2.0
 # Hypatia Neurosymbolic CI/CD Security Scan
 name: Hypatia Security Scan
 

.github/workflows/spark-theatre-gate.yml

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: PMPL-1.0-or-later
+# SPDX-License-Identifier: MPL-2.0
 # Estate SPARK Theatre Gate — thin caller of the reusable workflow in
 # hyperpolymath/standards (#135 / #141). Pinned by commit SHA per the
 # estate action-pinning policy. Regenerate the pin only when the reusable

.machine_readable/STATE.a2ml

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: PMPL-1.0-or-later
+# SPDX-License-Identifier: MPL-2.0
 # Migrated from STATE.scm by state_scm_to_v2.py on 2026-05-17
 
 @state(version="2.0"):

PROOF-NEEDS.md

@@ -1,6 +1,6 @@
 # Proof Requirements
 
-<!-- SPDX-License-Identifier: PMPL-1.0-or-later -->
+<!-- SPDX-License-Identifier: MPL-2.0 -->
 <!-- Created 2026-05-18 by estate proof-debt audit; reconciled 2026-05-19. -->
 
 ## Current state (reconciled 2026-05-19)

README.adoc

@@ -440,7 +440,7 @@ See `.claude/CLAUDE.md` for complete language policy.
 
 == License
 
-SPDX-License-Identifier: PMPL-1.0-or-later OR PMPL-1.0`
+SPDX-License-Identifier: MPL-2.0 OR PMPL-1.0`
 
 Dual-licensed under GNU Affero General Public License v3.0 or later, or Palimpsest-MPL License v1.0 (PMPL-1.0). See link:LICENSE.txt[LICENSE.txt] for details.