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

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
 

docs/INDIEWEB-COLLABORATION.md

@@ -351,7 +351,7 @@ sanctify-php detects missing IndieWeb security patterns:
 
 ```haskell
 -- src/Sanctify/IndieWeb/Analysis.hs
--- SPDX-License-Identifier: AGPL-3.0-or-later
+-- SPDX-License-Identifier: PMPL-1.0-or-later
 
 module Sanctify.IndieWeb.Analysis
   ( detectIndieWebEndpoints

docs/ROADMAP.md

@@ -328,7 +328,7 @@ Cache analysis results and only rescan changed files:
 
 ```haskell
 -- src/Sanctify/Cache.hs
--- SPDX-License-Identifier: AGPL-3.0-or-later
+-- SPDX-License-Identifier: PMPL-1.0-or-later
 
 module Sanctify.Cache
   ( AnalysisCache(..)
@@ -406,7 +406,7 @@ Add detection for semantic web output patterns:
 
 ```haskell
 -- src/Sanctify/Analysis/Semantic.hs
--- SPDX-License-Identifier: AGPL-3.0-or-later
+-- SPDX-License-Identifier: PMPL-1.0-or-later
 
 module Sanctify.Analysis.Semantic
   ( SemanticContext(..)

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: