licence(#7): normalise PMPL-1.0 -> PMPL-1.0-or-later (owner carve-out, SPDX-only)

Not a relicence; owner-sanctioned standards LICENCE-POLICY A8(1); Refs LICENCE-DEBT-LEDGER-2026-05-18.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: hyperpolymath

.github/workflows/governance.yml

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: PMPL-1.0
+# SPDX-License-Identifier: PMPL-1.0-or-later
 # 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/spark-theatre-gate.yml

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: PMPL-1.0
+# SPDX-License-Identifier: PMPL-1.0-or-later
 # 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

README.adoc

@@ -440,7 +440,7 @@ See `.claude/CLAUDE.md` for complete language policy.
 
 == License
 
-SPDX-License-Identifier: PMPL-1.0 OR PMPL-1.0`
+SPDX-License-Identifier: PMPL-1.0-or-later 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.