Fix SPDX headers: AGPL-3.0-or-later → PMPL-1.0-or-later

Replace legacy AGPL-3.0-or-later SPDX identifiers with the correct
PMPL-1.0-or-later (Palimpsest License) across justfiles, Mustfiles,
shell scripts, config files, dotfiles, and source code.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: hyperpolymath

.machine_readable/PLAYBOOK.scm

@@ -174,7 +174,7 @@
     (scm-file
      ((format . guile-scheme)
       (sections
-       ((header . ";; SPDX-License-Identifier: AGPL-3.0-or-later\n;; SPDX-FileCopyrightText: 2025 Jonathan D.A. Jewell")
+       ((header . ";; SPDX-License-Identifier: PMPL-1.0-or-later\n;; SPDX-FileCopyrightText: 2025 Jonathan D.A. Jewell")
         (docstring . ";;; <FILENAME>.scm — <Description>")
         (module . "(define-module (nextgen-languages <name>)\n  #:export (<exports>))")
         (sections . ";;;===...\n;;; SECTION NAME\n;;;===...")))))))

CODE_OF_CONDUCT.md

@@ -1,4 +1,4 @@
-<!-- SPDX-License-Identifier: AGPL-3.0-or-later -->
+<!-- SPDX-License-Identifier: PMPL-1.0-or-later -->
 # Contributor Covenant Code of Conduct
 
 ## Our Pledge

Mustfile

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: AGPL-3.0-or-later
+# SPDX-License-Identifier: PMPL-1.0-or-later
 # Mustfile - hyperpolymath mandatory checks
 # See: https://github.com/hyperpolymath/mustfile
 

hooks/validate-codeql.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# SPDX-License-Identifier: AGPL-3.0-or-later
+# SPDX-License-Identifier: PMPL-1.0-or-later
 # Pre-commit hook: Validate CodeQL language matrix matches repo
 set -euo pipefail
 

hooks/validate-permissions.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# SPDX-License-Identifier: AGPL-3.0-or-later
+# SPDX-License-Identifier: PMPL-1.0-or-later
 # Pre-commit hook: Validate workflow permissions declarations
 set -euo pipefail
 ERRORS=0

hooks/validate-sha-pins.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# SPDX-License-Identifier: AGPL-3.0-or-later
+# SPDX-License-Identifier: PMPL-1.0-or-later
 # Pre-commit hook: Validate GitHub Actions are SHA-pinned
 
 set -euo pipefail

hooks/validate-spdx.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# SPDX-License-Identifier: AGPL-3.0-or-later
+# SPDX-License-Identifier: PMPL-1.0-or-later
 # Pre-commit hook: Validate SPDX headers in workflow files
 
 set -euo pipefail
@@ -13,7 +13,7 @@ for workflow in .github/workflows/*.yml .github/workflows/*.yaml; do
     first_line=$(head -n1 "$workflow")
     if ! echo "$first_line" | grep -qE "$SPDX_PATTERN"; then
         echo "ERROR: Missing SPDX header in $workflow"
-        echo "  First line should be: # SPDX-License-Identifier: AGPL-3.0-or-later"
+        echo "  First line should be: # SPDX-License-Identifier: PMPL-1.0-or-later"
         ERRORS=$((ERRORS + 1))
     fi
 done

justfile

@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: AGPL-3.0-or-later
+# SPDX-License-Identifier: PMPL-1.0-or-later
 # Justfile - hyperpolymath standard task runner
 
 default: